DomainSpy Analytics and Page Speed Report For: Hoc247.net

Content Category:  ---

Adult Content: No

Type: Page

Revenue Model: Advertising

Domain Value

$764,640.00

About Domain

HOC247 cung cấp bài giảng, trắc nghiệm tất cả các bài học trong SGK miễn phí và hệ thống hỏi đáp để kết nối cộng đồng Học sinh và Giáo viên cả nước

57

DS Score

60

Traffic

24

Search

80

Technologies

63

Performance

Traffic

How many visitors are reaching your site, how often they come and how long they stay.

22,150

Alexa Rank

505,410

Monthly Unique Visitors

3,537,870

Monthly pageviews

$708.00

Revenue Per Day

Top 5 Countries By Traffic

Country Code Rank Page Views Users
VN 153 62.4% 87.2%
KR 2764 36.2% 9.6%

Performance

Measuring the strength of your website’s page load time

63

Performance

63/100

Google PageSpeed Score

63/100

YSlow Score

2.56

Page Size [megabytes]

8.2

Page Load Time [s]
Time To First Byte identifies the time at which your server sends a response.
Click here to learn how to optimize this

Overall Saving: 870.739[ms]

A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow).
Click here to learn how to optimize this
Statistic Element Value
Total DOM Elements --- 2,537
Maximum DOM Depth --- 19
Maximum Child Elements --- 35
Speed Index shows how quickly the contents of a page are visibly populated.
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A long cache lifetime can speed up repeat visits to your page.
Click here to learn how to optimize this
URL Cache TTL [duration] Size [kb]
https://a.ants.vn/get?action_name=C%E1%BB%99ng%20%C4%90%E1%BB%93ng%20H%E1%BB%8Dc%20Ph%E1%BB%95%20Th%C3%B4ng%20Tr%E1%BB%B1c%20Tuy%E1%BA%BFn&idsite=6553273399&rec=1&client_id=&r=339113&h=0&m=15&s=20&url=https%3A%2F%2Fhoc247.net%2F&_id=d5d4cd07616a5428&_idts=1589440520&_idvc=1&_idn=0&_refts=0&_viewts=1589440520&send_image=0&cookie=1&res=800x600&cvar=%7B%222%22%3A%5B%22au_aid_bk%22%2C%22%22%5D%2C%223%22%3A%5B%22an_session%22%2C%22%22%5D%2C%224%22%3A%5B%22pv%22%2C%22%22%5D%2C%225%22%3A%5B%22des%22%2C%22%22%5D%2C%226%22%3A%5B%22keywords%22%2C%22video%2C%20b%C3%A0i%20gi%E1%BA%A3ng%2C%20tr%E1%BA%AFc%20nghi%E1%BB%87m%2C%20thcs%2C%20ti%E1%BB%83u%20h%E1%BB%8Dc%2C%20thpt%2C%20b%C3%A0i%20t%E1%BA%ADp%2C%20sgk%2C%20s%C3%A1ch%20gi%C3%A1o%20khoa%2C%20n%C3%A2ng%20cao%2C%20h%E1%BB%8Fi%20%C4%91%C3%A1p%2C%20luy%E1%BB%87n%20t%E1%BA%ADp%22%5D%2C%227%22%3A%5B%22au_aid%22%2C%22%22%5D%2C%228%22%3A%5B%22t1%22%2C%22%22%5D%2C%229%22%3A%5B%22t2%22%2C%221589440520013%22%5D%2C%2210%22%3A%5B%22time_diff%22%2C%22NaN%22%5D%2C%2211%22%3A%5B%22dgs%22%2C%220%22%5D%2C%2212%22%3A%5B%22antspv%22%2C%221589440520012%22%5D%2C%2219%22%3A%5B%22home%22%2C%221%22%5D%2C%2250%22%3A%5B%22sections%22%2C%22Home%22%5D%7D>_ms=1470 0 1543
https://tr.brand-display.com/tracking/api/r?r0=1&rurl=https%3A%2F%2Fcm.gammaplatform.com%2Fadx%2Frecv%3Fpid%3D17%26uid%3D%25%25KNXQ%25%25 0 1097
https://cm.gammaplatform.com/adx/recv?pid=10&uid=ck1d0_RLCj2Ox5rECPC8Xg 0 267
https://cm.gammaplatform.com/adx/recv?pid=25&uid=5d342c56-1ef2-4937-9c1d-c06377524492 0 267
https://cm.gammaplatform.com/adx/recv?pid=31&uid=mhhna7w45cp 0 267
https://cm.gammaplatform.com/adx/recv?pid=5&uid=1779522c-2500-4a2d-8e9b-5471584c3455 0 267
https://cm.gammaplatform.com/adx/recv?pid=8&uid=XrzwBwAAAHTFtyTo&_test=XrzwBwAAAHTFtyTo 0 267
https://cm.gammaplatform.com/adx/recv?pid=45&uid=XrzwB9HM4YoAADVu4vIAAABIAzEAAAAB 0 266
https://connect.facebook.net/signals/config/997577713652762?v=2.9.18&r=stable 1200000 132880
https://connect.facebook.net/en_US/fbevents.js 1200000 32972
https://www.statsforads.com/tag/a0b22bbc-3587-415f-a33c-e7d03390f104.min.js 3600000 61069
https://st-a.anthill.vn/insight.js 7200000 36385
https://www.google-analytics.com/analytics.js 7200000 19103
https://ads.pubmatic.com/AdServer/js/user_sync.html?p=158212&predirect=https%3A%2F%2Fcm.gammaplatform.com%2Fadx%2Frecv%3Fpid%3D35%26uid%3D 75185000 4809
https://ss.yomedia.vn/js/ads.js 86400000 122354
https://get.optad360.io/sf/prebid3.6.0.js 360000000 69360
https://media1.admicro.vn/cms/Arf.min.js 863989000 88126
https://static.amcdn.vn/tka/cdn.js 863989000 7457
https://media1.admicro.vn/ads_codes/ads_code_1.ads 863991000 318
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings [Bytes]
https://hoc247.net/bannernet/943_1580781805.jpg?1589440518783 399580 335848
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/app3.png 148794 122042
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/hoavan4.png 59547 44377
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/hoavan3.png 48568 41518
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/hoavan1.png 46601 34793
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/hoavan2.png 37535 29015
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/bg2.jpg?id=1.001 38370 21814
https://hoc247.net/images/avatar/library/13.jpg 22988 17774
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-ngu-van.png?id=1a 21776 15998
https://hoc247.net/image/tests/nopic.jpg 17602 15360
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/bg3.jpg?id=1.001 23844 14480
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-dia-ly.png?id=1a 24625 14209
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-cong-nghe.png?id=1a 22251 14039
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-vat-ly.png?id=1a 18798 13080
https://hoc247.net/static/templates/version1/default/images/graphics/noavatar.jpg 12369 10305
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/bocongthuong.png 16662 10148
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/business.png?id=1 15425 9747
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-toan.png?id=1a 13501 9167

Overall Saving: 750[ms], 773714[Bytes]

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings
https://fonts.googleapis.com/css?family=Quicksand:300,400,500,700&subset=vietnamese 1405 230
https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&subset=vietnamese 1881 230
https://tailieu.vn/template-hoc247net/version1/default/js/jquery-1.10.1.min.js 93393 830
https://tailieu.vn/template-hoc247net/version1/default/js/jquery.slimscroll.js 14160 350
https://use.fontawesome.com/releases/v5.7.2/css/all.css 13996 350
https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/css/bootstrap.min.css 122856 910
https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/css/bootstrap-theme.min.css 23671 430
https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/js/bootstrap.min.js 37144 550
https://tailieu.vn/template-hoc247net/version1/default/css/general.css?id=1.002i 11251 310
https://tailieu.vn/template-hoc247net/version1/default/css/style.css?id=1.002t 85177 630
https://tailieu.vn/template-hoc247net/version1/default/css/plv.css?id=1.003i 14997 270
https://tailieu.vn/template-hoc247net/version1/default/js/main.js?id=1.002i 29291 350
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_CHTML 19437 350
https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/css/camera.css 26895 350

Overall Saving: 573[ms]

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings [Bytes]
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/app3.png 148794 148794
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/hoavan4.png 59547 59547
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/hoavan3.png 48568 48568
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/bg2.jpg?id=1.001 38370 38370
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-dia-ly.png?id=1a 24625 24625
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/bg3.jpg?id=1.001 23844 23844
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-cong-nghe.png?id=1a 22251 22251
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-ngu-van.png?id=1a 21776 21776
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-vat-ly.png?id=1a 18798 18798
https://hoc247.vn/image/avatar/member/2018/20181218/thumbnail/200x200/20181218_20181218_202132.jpg 16819 16819
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/bocongthuong.png 16662 16662
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/business.png?id=1 15425 15425
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-toan.png?id=1a 13501 13501
https://hoc247.vn/image/avatar/member/2019/20190109/thumbnail/200x200/20190109_20190114_212746.jpg 13321 13321
https://hoc247.vn/image/avatar/member/2019/20190114/thumbnail/200x200/20190114_20190114_211529.jpg 12184 12184
https://hoc247.vn/image/avatar/member/2018/20180820/thumbnail/200x200/20180820_20190503_212146.png 11812 11812
https://hoc247.vn/image/avatar/member/2018/20181225/thumbnail/200x200/20181225_20200325_193623.jpg 11780 11780
https://hoc247.vn/image/avatar/member/2019/20190114/thumbnail/200x200/20190114_20190321_155819.png 11397 11397
https://hoc247.vn/image/avatar/member/2019/20190109/thumbnail/200x200/20190109_20190109_222801.jpg 11057 11057
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/task.png?id=1 10974 10974
https://hoc247.vn/image/avatar/member/2018/20181218/thumbnail/200x200/20181218_20181218_094015.jpg 10744 10744
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-lich-su.png?id=1a 10728 10728
https://hoc247.vn/image/avatar/member/2018/20181219/thumbnail/200x200/20181219_20190318_120602.jpg 10707 10707
https://hoc247.net/avatar/instructor/2015/20151125/thumbnail/200x200/263_1456480646.jpg 9314 9314
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-hoa-hoc.png?id=1a 9060 9060
https://hoc247.vn/image/avatar/member/2018/20180921/thumbnail/200x200/20180921_20190313_173011.jpg 9038 9038
https://hoc247.net/image/grouptest/2020/20200104/470x246/5301585302888.jpg 8464 8464
https://hoc247.vn/image/avatar/member/2019/20190311/thumbnail/200x200/20190311_20190326_142831.jpg 8426 8426
https://hoc247.net/image/grouptest/2019/20191202/470x246/7131575424615.jpg 8285 8285
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/index-baitap.png 8231 8231
https://hoc247.net/image/grouptest/2019/20191002/470x246/5331587347247.jpg 8033 8033
https://hoc247.net/avatar/instructor/2016/20161017/thumbnail/200x200/145_1476861994.jpg 7977 7977
https://hoc247.net/image/grouptest/2020/20200210/470x246/7741585303236.jpg 7922 7922
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/index-faq.png 7892 7892
https://hoc247.vn/image/avatar/member/2018/20181112/thumbnail/200x200/20181112_20181113_200242.jpg 7744 7744
https://hoc247.vn/image/avatar/member/2019/20190108/thumbnail/200x200/20190108_20190111_205829.jpg 7642 7642
https://hoc247.net/image/grouptest/2020/20200303/470x246/4981585536636.jpg 7565 7565
https://hoc247.vn/image/avatar/member/2018/20180712/thumbnail/200x200/20180712_20190105_102439.jpg 7534 7534
https://hoc247.net/image/grouptest/2019/20191104/470x246/4231572919666.jpg 7388 7388
https://hoc247.net/image/grouptest/2020/20200303/470x246/1561585536950.jpg 7347 7347
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/video-player.png?id=1 7311 7311
https://hoc247.net/image/grouptest/2020/20200302/470x246/2131585536450.jpg 6833 6833
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/index-cth.png 6788 6788
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-tieng-anh.png?id=1a 6701 6701
https://hoc247.net/avatar/instructor/2015/20151203/thumbnail/200x200/305_1456480622.jpg 6284 6284
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/m-tin-hoc.png?id=1a 6257 6257
https://hoc247.net/avatar/instructor/2015/20151203/thumbnail/200x200/3_1456480609.jpg 5951 5951
https://hoc247.net/avatar/instructor/2015/20151208/thumbnail/200x200/398_1456480565.jpg 5876 5876
https://hoc247.vn/image/avatar/member/2018/20180918/thumbnail/200x200/20180918_20180928_085603.jpg 5859 5859
https://hoc247.net/image/grouptest/2020/20200210/470x246/1121585303037.jpg 5802 5802
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/googleplay.png 5011 5011
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/googleplay1.png 5011 5011
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/appstore.png 4938 4938
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/appstore1.png 4938 4938
https://hoc247.vn/image/avatar/member/2018/20181222/thumbnail/200x200/20181222_20181227_204850.png 4867 4867
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/index-baitapsgk.png 4401 4401
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/notebook.png?id=1 4021 4021
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/hoc247_logo_pc.png 2797 2797
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/tcmore.jpg 2533 2533

Overall Saving: 470[ms], 823725[Bytes]

First Meaningful Paint measures when the primary content of a page is visible.
Click here to learn how to optimize this
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings [Bytes]
https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/css/bootstrap.min.css 122540 102661
https://tailieu.vn/template-hoc247net/version1/default/css/style.css?id=1.002t 84862 68678
https://tailieu.vn/template-hoc247net/version1/default/js/jquery-1.10.1.min.js 93064 60199
https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/scripts/camera.js 68754 56278
https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/js/bootstrap.min.js 36816 27073
https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/css/camera.css 26581 23442
https://tailieu.vn/template-hoc247net/version1/default/js/main.js?id=1.002i 28963 21138
https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/css/bootstrap-theme.min.css 23357 20622
https://tailieu.vn/template-hoc247net/version1/default/css/plv.css?id=1.003i 14683 11239
https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/scripts/jquery.mobile.customized.min.js 17519 11018
https://tailieu.vn/template-hoc247net/version1/default/js/jquery.slimscroll.js 13832 10022
https://tailieu.vn/template-hoc247net/version1/default/css/general.css?id=1.002i 10937 8067
https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/scripts/jquery.easing.1.3.js 8097 6111

Overall Saving: 390[ms], 426548[Bytes]

First Contentful Paint marks the time at which the first text or image is painted.
Click here to learn how to optimize this
Large network payloads cost users real money and are highly correlated with long load times.
Click here to learn how to optimize this
URL Size
https://hoc247.net/bannernet/943_1580781805.jpg?1589440518783 399580
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/app3.png 149111
https://connect.facebook.net/signals/config/997577713652762?v=2.9.18&r=stable 132880
https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/css/bootstrap.min.css 122856
https://ss.yomedia.vn/js/ads.js 122354
https://tailieu.vn/template-hoc247net/version1/default/js/jquery-1.10.1.min.js 93393
https://securepubads.g.doubleclick.net/gpt/pubads_impl_2020050602.js 90753
https://media1.admicro.vn/cms/Arf.min.js 88126
https://pagead2.googlesyndication.com/pagead/js/r20200511/r20190131/show_ads_impl_fy2019.js 85826
https://tailieu.vn/template-hoc247net/version1/default/css/style.css?id=1.002t 85177
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings [Bytes]
https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/css/bootstrap.min.css 122856 118235
https://tailieu.vn/template-hoc247net/version1/default/css/style.css?id=1.002t 85177 78279
https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/css/camera.css 26895 24450
https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/css/bootstrap-theme.min.css 23671 22861
https://use.fontawesome.com/releases/v5.7.2/css/all.css 13996 13873
https://tailieu.vn/template-hoc247net/version1/default/css/plv.css?id=1.003i 14997 12321

Overall Saving: 260[ms], 270019[Bytes]

Optimized images load faster and consume less cellular data.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings [Bytes]
https://hoc247.net/bannernet/943_1580781805.jpg?1589440518783 399580 248522
https://hoc247.net/images/avatar/library/13.jpg 22988 12966
https://hoc247.net/image/tests/nopic.jpg 17602 11830
https://hoc247.net/static/templates/version1/default/images/graphics/noavatar.jpg 12369 6783

Overall Saving: 240[ms], 280101[Bytes]

Time to interactive is the amount of time it takes for the page to become fully interactive.
Click here to learn how to optimize this
Serve images that are appropriately-sized to save cellular data and improve load time.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings [Bytes]
https://hoc247.net/bannernet/943_1580781805.jpg?1589440518783 399580 88944
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/app3.png 148794 21537
https://hoc247.net/image/tests/nopic.jpg 17602 14660
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/business.png?id=1 15425 13749
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/task.png?id=1 10974 10072
https://hoc247.net/image/grouptest/2020/20200104/470x246/5301585302888.jpg 8464 7049
https://hoc247.net/image/grouptest/2019/20191202/470x246/7131575424615.jpg 8285 6900
https://hoc247.net/image/grouptest/2019/20191002/470x246/5331587347247.jpg 8033 6691
https://hoc247.net/image/grouptest/2020/20200210/470x246/7741585303236.jpg 7922 6598
https://hoc247.net/image/grouptest/2020/20200303/470x246/4981585536636.jpg 7565 6301
https://hoc247.net/image/grouptest/2019/20191104/470x246/4231572919666.jpg 7388 6153
https://hoc247.net/image/grouptest/2020/20200303/470x246/1561585536950.jpg 7347 6119
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/video-player.png?id=1 7311 6118
https://hoc247.net/image/grouptest/2020/20200302/470x246/2131585536450.jpg 6833 5691
https://hoc247.net/image/grouptest/2020/20200210/470x246/1121585303037.jpg 5802 4832
https://hoc247.net/avatar/instructor/2015/20151125/thumbnail/200x200/263_1456480646.jpg 9314 4750
https://hoc247.net/avatar/instructor/2016/20160504/thumbnail/200x200/326_1462355036.jpg 8842 4509
https://hoc247.net/avatar/instructor/2016/20161015/thumbnail/200x200/485_1476499581.jpg 8013 4087
https://hoc247.net/avatar/instructor/2016/20161017/thumbnail/200x200/145_1476861994.jpg 7977 4068
https://hoc247.net/avatar/instructor/2015/20151208/thumbnail/200x200/414_1456480597.jpg 7237 3691
https://tailieu.vn/template-hoc247net/version1/default/images/graphics/notebook.png?id=1 4021 3354
https://hoc247.net/avatar/instructor/2015/20151203/thumbnail/200x200/316_1456480634.jpg 6411 3270
https://hoc247.net/avatar/instructor/2015/20151203/thumbnail/200x200/305_1456480622.jpg 6284 3205
https://hoc247.net/avatar/instructor/2015/20151203/thumbnail/200x200/3_1456480609.jpg 5951 3035
https://hoc247.net/avatar/instructor/2015/20151208/thumbnail/200x200/398_1456480565.jpg 5876 2997

Overall Saving: 180[ms], 248380[Bytes]

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.
Click here to learn how to optimize this
Category Time Spent
Script Evaluation 1020.65
Other 309.14
Style & Layout 304.25
Rendering 271.23
Script Parsing & Compilation 105.37
Parse HTML & CSS 70.7
Garbage Collection 30.68
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input.
Click here to learn how to optimize this
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task.
Click here to learn how to optimize this
Minifying JavaScript files can reduce payload sizes and script parse time.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings [Bytes]
https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/scripts/camera.js 69083 20015
https://tailieu.vn/template-hoc247net/version1/default/js/main.js?id=1.002i 29291 9659
https://tailieu.vn/template-hoc247net/version1/default/js/jquery.slimscroll.js 14160 7892
https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/scripts/jquery.easing.1.3.js 8424 4741

Overall Saving: 40[ms], 42307[Bytes]

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.
Click here to learn how to optimize this
URL Total CPU Time Script Evaluation Script Parse
Other 1044.63 173.46 4.98
https://tailieu.vn/template-hoc247net/version1/default/js/jquery-1.10.1.min.js 156.53 95.35 2.35
https://www.googletagservices.com/activeview/js/current/osd.js?cb=%2Fr20100101 109.33 89.35 2.66
https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/scripts/camera.js 82.33 74.71 1.62
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2/MathJax.js?config=TeX-MML-AM_CHTML 69.14 66.15 1.92
https://st-a.anthill.vn/insight.js 64.35 62.68 1.68
https://pagead2.googlesyndication.com/pagead/js/r20200511/r20190131/show_ads_impl_fy2019.js 63.72 46.55 7.6
https://www.statsforads.com/tag/a0b22bbc-3587-415f-a33c-e7d03390f104.min.js 53.11 49.08 2.9
https://media1.admicro.vn/cms/Arf.min.js 53.07 47.87 4.92
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js 50.02 30.12 2.56
Minifying CSS files can reduce network payload sizes.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings [Bytes]
https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/css/camera.css 26895 4027

Overall Saving: 10[ms], 4027[Bytes]

Consider using `` to prioritize fetching resources that are currently requested later in page load.
Click here to learn how to optimize this

Overall Saving: 0[ms]

Redirects introduce additional delays before the page can be loaded.
Click here to learn how to optimize this

Overall Saving: 0[ms]

Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy.
Click here to learn how to optimize this
This page has 28 external Javascript scripts. Try combining them into one. This page has 9 external stylesheets. Try combining them into one.
Components:
    There are 132 static components that are not on CDN.

    You can specify CDN hostnames in your preferences. See YSlow FAQ for details.

    Components:
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    • use.fontawesome.com: 1 component, 54.4K (54.4K GZip)
    • tailieu.vn: 56 components, 1261.8K
    • a.ants.vn: 1 component, 0.4K
    • st-a.anthill.vn: 1 component, 77.5K (6.4K GZip)
    • www.googletagservices.com: 2 components, 118.7K (74.9K GZip)
    • www.googletagmanager.com: 2 components, 144.8K (97.1K GZip)
    • connect.facebook.net: 2 components, 662.6K (390.5K GZip)
    • pagead2.googlesyndication.com: 1 component, 109.7K (2.5K GZip)
    • adservice.google.com: 1 component, 0.1K (0.1K GZip)
    • cdnjs.cloudflare.com: 1 component, 63.2K (0.6K GZip)
    • static.amcdn.vn: 1 component, 26.8K (12.5K GZip)
    • media1.admicro.vn: 5 components, 347.4K (62.4K GZip)
    • ss.yomedia.vn: 1 component, 0.1K
    • securepubads.g.doubleclick.net: 1 component, 248.3K (173.3K GZip)
    • hoc247.net: 25 components, 584.0K (148.8K GZip)
    • hoc247.vn: 19 components, 174.1K (126.6K GZip)
    • match.adsrvr.org: 1 component, 0.1K
    • x.bidswitch.net: 1 component, 0.0K
    • sync-tm.everesttech.net: 2 components, 0.0K
    • gocm.c.appier.net: 1 component, 0.09K
    • tr.brand-display.com: 1 component, 1.9K (1.9K GZip)
    • csync.loopme.me: 1 component, 0.0K
    • cm.ambientdsp.com: 1 component, 0.0K
    • ads.pubmatic.com: 1 component, 11.9K (10.1K GZip)
    • ssum-sec.casalemedia.com: 1 component, 0.3K
    There are 32 static components without a far-future expiration date.
    Components:
    • https://fonts.googleapis.com/css?family=Quicksand:300,400,500,700&subset=vietnamese
    • https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&subset=vietnamese
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    • https://www.google-analytics.com/analytics.js
    • https://st-a.anthill.vn/insight.js
    • https://www.googletagservices.com/activeview/js/current/osd.js?cb=%2Fr20100101
    • https://www.googletagmanager.com/gtm.js?id=GTM-5H3XCL7
    • https://connect.facebook.net/signals/config/997577713652762?v=2.9.18&r=stable
    • https://connect.facebook.net/en_US/fbevents.js
    • https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
    • https://adservice.google.com/adsid/integrator.js?domain=hoc247.net
    • https://www.googletagservices.com/tag/js/gpt.js
    • https://static.amcdn.vn/tka/cdn.js
    • https://media1.admicro.vn/cms/Arf.min.js
    • https://ss.yomedia.vn/js/1/550/ads.js
    • https://www.statsforads.com/tag/a0b22bbc-3587-415f-a33c-e7d03390f104.min.js
    • https://media1.admicro.vn/ads_codes/ads_code_1.ads
    • https://media1.admicro.vn/core/lgnews.js
    • https://media1.admicro.vn/core/visen.js
    • https://www.googletagmanager.com/gtag/js?id=UA-93829515-1
    • https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/images/blank.gif
    • https://match.adsrvr.org/track/cmf/generic?ttd_pid=ambient-digital&ttd_tpi=1
    • https://x.bidswitch.net/sync?ssp=ambient
    • https://sync-tm.everesttech.net/upi/pid/C7eGOU6r?redir=https%3A%2F%2Fcm.gammaplatform.com%2Fadx%2Frecv%3Fpid%3D8%26uid%3D%24%7BTM_USER_ID%7D
    • https://gocm.c.appier.net/ambient
    • https://tr.brand-display.com/tracking/api/r?r0=1&rurl=https%3A%2F%2Fcm.gammaplatform.com%2Fadx%2Frecv%3Fpid%3D17%26uid%3D%25%25KNXQ%25%25
    • https://sync-tm.everesttech.net/upi/pid/C7eGOU6r?redir=https%3A%2F%2Fcm.gammaplatform.com%2Fadx%2Frecv%3Fpid%3D21%26uid%3D%24%7BTM_USER_ID%7D
    • https://csync.loopme.me/?redirect=https%3A%2F%2Fcm.gammaplatform.com%2Fadx%2Frecv%3Fpid%3D25%26uid%3D%7Bdevice_id%7D
    • https://cm.ambientdsp.com/cm/send?vc=gaj
    • https://ads.pubmatic.com/AdServer/js/user_sync.html?p=158212&predirect=https%3A%2F%2Fcm.gammaplatform.com%2Fadx%2Frecv%3Fpid%3D35%26uid%3D
    • https://ssum-sec.casalemedia.com/usermatchredir?s=191970&cb=https%3A%2F%2Fcm.gammaplatform.com%2Fadx%2Frecv%3Fpid%3D45%26uid%3D
    • https://media1.admicro.vn/core/persist.js
    There are 14 plain text components that should be sent compressed
    Components:
    • https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/css/bootstrap.min.css
    • https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/css/bootstrap-theme.min.css
    • https://tailieu.vn/template-hoc247net/version1/default/css/general.css?id=1.002i
    • https://tailieu.vn/template-hoc247net/version1/default/css/style.css?id=1.002t
    • https://tailieu.vn/template-hoc247net/version1/default/css/plv.css?id=1.003i
    • https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/css/camera.css
    • https://tailieu.vn/template-hoc247net/version1/default/js/jquery-1.10.1.min.js
    • https://tailieu.vn/template-hoc247net/version1/default/js/jquery.slimscroll.js
    • https://tailieu.vn/template-hoc247net/version1/default/css/bootstrap-3.3.5/js/bootstrap.min.js
    • https://tailieu.vn/template-hoc247net/version1/default/js/main.js?id=1.002i
    • https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/scripts/jquery.mobile.customized.min.js
    • https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/scripts/jquery.easing.1.3.js
    • https://tailieu.vn/template-hoc247net/version1/default/js/camera_1.4/scripts/camera.js
    • https://lg1.logging.admicro.vn/_tracking1.gif?dg=897bed60358ad290585d6c113795bbf7&fl=-1.-1.&je=0&sr=1024x768&sc=32&hn=hoc247.net&p=%2F&r=&cat=&g=0&i=s%3B1589440536046%3B0%3B0%3B1%3B0%3B0%3B400x300%3B0%3B0%3B897bed60358ad290585d6c113795bbf7%3B897bed60358ad290585d6c113795bbf7%3B%3B-1589440531642%3B0%3B0%3B0%3B1620%3B511%3B-1589440531642%3B-1589440531642&rdm=0.11404489586129785&ce=1&lc=&cr=&ui=
    The components are split over more than 4 domains
    Components:
    • hoc247.net: 26 components, 800.2K (150.7K GZip)
    • fonts.googleapis.com: 2 components, 1.7K (1.7K GZip)
    • fonts.gstatic.com: 8 components, 292.7K (201.8K GZip)
    • use.fontawesome.com: 1 component, 54.4K (54.4K GZip)
    • tailieu.vn: 56 components, 1261.8K
    • a.ants.vn: 1 component, 0.4K
    • www.google-analytics.com: 1 component, 45.8K (4.2K GZip)
    • st-a.anthill.vn: 1 component, 77.5K (6.4K GZip)
    • www.googletagservices.com: 2 components, 118.7K (74.9K GZip)
    • www.googletagmanager.com: 2 components, 144.8K (97.1K GZip)
    • connect.facebook.net: 2 components, 662.6K (390.5K GZip)
    • pagead2.googlesyndication.com: 1 component, 109.7K (2.5K GZip)
    • adservice.google.com: 1 component, 0.1K (0.1K GZip)
    • cdnjs.cloudflare.com: 1 component, 63.2K (0.6K GZip)
    • static.amcdn.vn: 1 component, 26.8K (12.5K GZip)
    • media1.admicro.vn: 5 components, 347.4K (62.4K GZip)
    • ss.yomedia.vn: 1 component, 0.1K
    • www.statsforads.com: 1 component, 205.1K (12.8K GZip)
    • securepubads.g.doubleclick.net: 1 component, 248.3K (173.3K GZip)
    • hoc247.vn: 19 components, 174.1K (126.6K GZip)
    • hb.gammaplatform.com: 1 component, 0.1K (1.6K GZip)
    • match.adsrvr.org: 1 component, 0.1K
    • x.bidswitch.net: 1 component, 0.0K
    • sync-tm.everesttech.net: 2 components, 0.0K
    • gocm.c.appier.net: 1 component, 0.09K
    • tr.brand-display.com: 1 component, 1.9K (1.9K GZip)
    • csync.loopme.me: 1 component, 0.0K
    • cm.ambientdsp.com: 1 component, 0.0K
    • ads.pubmatic.com: 1 component, 11.9K (10.1K GZip)
    • ssum-sec.casalemedia.com: 1 component, 0.3K
    • lg1.logging.admicro.vn: 1 component, 0.7K
    • googleads.g.doubleclick.net: 1 component, 9.9K (9.9K GZip)
    There are 44 components with misconfigured ETags
    Components:
    • https://hoc247.net/bannernet/943_1580781805.jpg?1589440536791
    • https://hoc247.net/image/grouptest/2020/20200302/470x246/2131585536450.jpg
    • https://hoc247.net/image/grouptest/2019/20191002/470x246/5331587347247.jpg
    • https://hoc247.net/image/grouptest/2020/20200303/470x246/4981585536636.jpg
    • https://hoc247.net/image/grouptest/2020/20200104/470x246/5301585302888.jpg
    • https://hoc247.net/image/grouptest/2020/20200303/470x246/1561585536950.jpg
    • https://hoc247.net/image/grouptest/2019/20191202/470x246/7131575424615.jpg
    • https://hoc247.net/image/grouptest/2019/20191104/470x246/4231572919666.jpg
    • https://hoc247.net/image/grouptest/2019/20190307/470x246/591551924587.jpg
    • https://hoc247.net/image/grouptest/2020/20200210/470x246/1121585303037.jpg
    • https://hoc247.net/image/grouptest/2020/20200210/470x246/7741585303236.jpg
    • https://hoc247.net/image/grouptest/2020/20200401/470x246/7971587110223.jpg
    • https://hoc247.net/avatar/instructor/2015/20151203/thumbnail/200x200/3_1456480609.jpg
    • https://hoc247.net/avatar/instructor/2015/20151208/thumbnail/200x200/398_1456480565.jpg
    • https://hoc247.net/avatar/instructor/2016/20161017/thumbnail/200x200/145_1476861994.jpg
    • https://hoc247.net/avatar/instructor/2015/20151203/thumbnail/200x200/305_1456480622.jpg
    • https://hoc247.net/avatar/instructor/2015/20151125/thumbnail/200x200/263_1456480646.jpg
    • https://hoc247.net/avatar/instructor/2015/20151203/thumbnail/200x200/316_1456480634.jpg
    • https://hoc247.net/avatar/instructor/2016/20160504/thumbnail/200x200/326_1462355036.jpg
    • https://hoc247.net/avatar/instructor/2015/20151208/thumbnail/200x200/414_1456480597.jpg
    • https://hoc247.net/avatar/instructor/2016/20161015/thumbnail/200x200/485_1476499581.jpg
    • https://hoc247.net/avatar/instructor/2015/20151208/thumbnail/200x200/341_1451979126.jpg
    • https://hoc247.net/avatar/instructor/2016/20160721/thumbnail/200x200/617_1475996073.jpg
    • https://hoc247.net/avatar/instructor/2016/20160507/thumbnail/200x200/433_1467788270.jpg
    • https://hoc247.vn/image/avatar/member/2018/20181222/thumbnail/200x200/20181222_20181227_204850.png
    • https://hoc247.vn/image/avatar/member/2019/20190109/thumbnail/200x200/20190109_20190114_212746.jpg
    • https://hoc247.vn/image/avatar/member/2018/20181218/thumbnail/200x200/20181218_20181218_094015.jpg
    • https://hoc247.vn/image/avatar/member/2018/20180921/thumbnail/200x200/20180921_20190313_173011.jpg
    • https://hoc247.vn/image/avatar/member/2019/20190108/thumbnail/200x200/20190108_20190111_205829.jpg
    • https://hoc247.vn/image/avatar/member/2018/20181112/thumbnail/200x200/20181112_20181113_200242.jpg
    • https://hoc247.vn/image/avatar/member/2018/20181225/thumbnail/200x200/20181225_20200325_193623.jpg
    • https://hoc247.vn/image/avatar/member/2019/20190311/thumbnail/200x200/20190311_20190326_142831.jpg
    • https://hoc247.vn/image/avatar/member/2017/20171023/thumbnail/200x200/20171023_20181216_145122.jpg
    • https://hoc247.vn/image/avatar/member/2018/20181218/thumbnail/200x200/20181218_20181218_202132.jpg
    • https://hoc247.vn/image/avatar/member/2018/20181210/thumbnail/200x200/20181210_20200223_154601.jpg
    • https://hoc247.vn/image/avatar/member/2018/20181222/thumbnail/200x200/20181222_20190102_145656.png
    • https://hoc247.vn/image/avatar/member/2019/20190114/thumbnail/200x200/20190114_20190321_155819.png
    • https://hoc247.vn/image/avatar/member/2018/20180820/thumbnail/200x200/20180820_20190503_212146.png
    • https://hoc247.vn/image/avatar/member/2019/20190114/thumbnail/200x200/20190114_20190114_211529.jpg
    • https://hoc247.vn/image/avatar/member/2019/20190109/thumbnail/200x200/20190109_20190109_222801.jpg
    • https://hoc247.vn/image/avatar/member/2018/20180918/thumbnail/200x200/20180918_20180928_085603.jpg
    • https://hoc247.vn/image/avatar/member/2018/20180712/thumbnail/200x200/20180712_20190105_102439.jpg
    • https://hoc247.vn/image/avatar/member/2018/20181219/thumbnail/200x200/20181219_20190318_120602.jpg
    • https://ads.pubmatic.com/AdServer/js/user_sync.html?p=158212&predirect=https%3A%2F%2Fcm.gammaplatform.com%2Fadx%2Frecv%3Fpid%3D35%26uid%3D
    There are 2607 DOM elements on the page
    Components:
      There are 7 components that can be minified
      Components:
      • https://tailieu.vn/template-hoc247net/version1/default/js/jquery.slimscroll.js
      • https://media1.admicro.vn/core/visen.js
      • inline script tag #11
      • inline script tag #12
      • inline script tag #13
      • inline script tag #14
      • inline script tag #15
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                              Detected Technologies

                              Bootstrap
                              Bootstrap
                              DoubleClick for Publishers (DFP)
                              DoubleClick for Publishers (DFP)
                              Font Awesome
                              Font Awesome
                              Google AdSense
                              Google AdSense
                              Google Font API
                              Google Font API
                              MathJax
                              MathJax
                              jQuery
                              jQuery

                              SEO Details

                              How well your site increases the quality and quantity of search engine results through organic traffic.

                              24

                              Search

                              24

                              Domain Authority

                              51,691,455

                              Unique Domain Links

                              869,969

                              Outgong Links

                              4,442,188

                              External Links

                              1

                              Spam Score

                              Top Pages

                              Ranking the most visited pages on your website.

                              # Link
                              1 hoc247.net/
                              2 hoc247.net/cau-hoi-i-do-my-homework-and-schoolwork-in-separate-books-i-dont-get-muddled-up-2320.html
                              3 hoc247.net/chuong-trinh/lop-11/hoa-hoc/
                              4 hoc247.net/chuong-trinh/lop-12/
                              5 hoc247.net/tim-kiem/tu-lieu/ngh%E1%BB%8B+lu%E1%BA%ADn+v%C4%83n+h%E1%BB%8Dc.html
                              6 hoc247.net/tim-kiem/tu-lieu/ngh%E1%BB%8B+lu%E1%BA%ADn+x%C3%A3+h%E1%BB%99i.html
                              7 hoc247.net/tu-lieu/van-mau/
                              8 hoc247.net/chuong-trinh/lop-12/hoa-hoc/
                              9 hoc247.net/hoi-dap/toan-hoc/
                              10 hoc247.net/vat-ly-12/bai-22-song-dien-tu-l1073.html

                              Webserver Info

                              Ha Noi, Hanoi, Viet Nam, 100000
                              IP: 222.255.121.244

                              Location

                              21.0245

                              Latitude

                              105.841

                              Longitude

                              Whois

                              Created
                              Changed
                              Name Server ns2.vdoc.com.vn (123.30.108.139)
                              ns1.vdoc.com.vn (222.255.121.243)
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