Statsoft Traffic, Page Speed and Technology Analysis

Content Category:

Adult Content: No

Type: Page

$900.00 DOMAIN VALUE

ABOUT DOMAIN

Statsoft.pl DomainSpy Website Analytics Score

Statsoft.pl Traffic Check

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

1,559,106 RANK
3,390 Monthly Unique Visitors
10k Monthly pageviews
$1 Revenue Per Day

Top 5 Countries By Traffic

Country Code Rank Page Views Users

Statsoft.pl Google PageSpeed and YSlow Score

Measuring the strength of your website’s page load time

76/100 Google PageSpeed Score
78/100 YSlow Score
1.38 Page Size [megabytes]
3.4 Page Load Time [s]
Time To First Byte identifies the time at which your server sends a response.
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Overall Saving: 215.957[ms]

A long cache lifetime can speed up repeat visits to your page.
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URL Cache TTL [duration] Size [kb]
https://p.adsymptotic.com/d/px/?_pid=16218&_psign=0aa5badf92527f7732e22463d6fa4dbc&coopa=0&gdpr=0&gdpr_consent=&_puuid=101f4dbc-36c1-4ba9-9b2e-cb2ff621aba7&_expected_cookie=26b3c67808ade22b9a98cae560a128e1 0 710
https://www.statsoft.pl/wp-content/themes/sage/dist/fonts/glyphicons-halflings-regular.woff2 60000 18306
https://connect.facebook.net/signals/config/582215445868620?v=2.9.15&r=stable 1200000 116806
https://connect.facebook.net/en_US/fbevents.js 1200000 31074
https://www.google-analytics.com/analytics.js 7200000 18767
https://snap.licdn.com/li.lms-analytics/insight.min.js 41158000 1890
https://media.statsoft.pl/images/banners/1140x250/terminarz-szkolen_2020.jpg 604800000 180194
https://media.statsoft.pl/images/banners/1140x250/bwwwgartner.jpg 604800000 109692
https://media.statsoft.pl/images/banners/1140x250/baner_statistica-liderem-niezaleznych-porownan_3.jpg 604800000 97431
https://media.statsoft.pl//images/banners/1140x250/baner-tibco.jpg 604800000 87575
https://media.statsoft.pl/images/banners/1140x250/statistica_io.jpg 604800000 36971
https://media.statsoft.pl/images/banners/projekt-europejski2.png 604800000 31697
https://secure.gravatar.com/js/gprofiles.js?ver=2020Maraa 604800000 7136
https://media.statsoft.pl/_old_dnn/images/homepage/tibco_gold_partner.png 604800000 5212
https://media.statsoft.pl/_old_dnn/images/homepage/tibco_statistica.png 604800000 4813
https://media.statsoft.pl/_old_dnn/images/logomotto.png 604800000 4207
https://www.statsoft.pl/wp-content/plugins/statsoft-facebook/content/contact-tab-fb.jpg 604800000 3906
https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/nfz.jpg 604800000 3491
https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/netia.jpg 604800000 3406
https://media.statsoft.pl/_old_dnn/statsoft-logo-black.png 604800000 3100
https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/bioton.jpg 604800000 2731
https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/unipetrol.jpg 604800000 2618
https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/millennium.jpg 604800000 2434
https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/bosch.jpg 604800000 2377
https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/pepsi.jpg 604800000 2200
https://secure.gravatar.com/dist/css/hovercard.min.css?ver=2020Maraa 604800000 1906
https://secure.gravatar.com/dist/css/services.min.css?ver=2020Maraa 604800000 847
https://scontent-atl3-1.xx.fbcdn.net/v/t1.0-1/cp0/p50x50/40910877_1448915195212272_5329359561641951232_n.png?_nc_cat=101&_nc_sid=dbb9e7&_nc_ohc=safH06XhjbMAX8SX0F1&_nc_ht=scontent-atl3-1.xx&oh=0b74ff44a2959599d248253ddc5c1c41&oe=5E99A789 1209600000 1503
Speed Index shows how quickly the contents of a page are visibly populated.
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Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles.
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URL Size [Bytes] Potential Savings
https://www.statsoft.pl/wp-includes/css/dist/block-library/style.min.css?ver=5.3.1 6080 70
https://www.statsoft.pl/wp-content/plugins/banner-floating/widget.css?ver=5.3.1 684 150
https://www.statsoft.pl/wp-content/plugins/cookie-notice/css/front.min.css?ver=5.3.1 1155 150
https://www.statsoft.pl/wp-content/plugins/statsoft-banner-top/widget.min.css?ver=5.3.1 750 150
https://www.statsoft.pl/wp-content/plugins/statsoft-facebook/content/facebook_slideout.css?ver=5.3.1 516 150
https://www.statsoft.pl/wp-content/plugins/statsoft-post-include/includes/banner-stary.css?ver=5.3.1 606 150
https://www.statsoft.pl/wp-content/themes/sage/custom/menu-mobile/menu.css 601 70
https://www.statsoft.pl/wp-content/themes/sage/dist/styles/main.css 24058 150
https://www.statsoft.pl/wp-content/plugins/jetpack/css/jetpack.css?ver=8.0 12435 110
https://www.statsoft.pl/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp 33208 190
https://www.statsoft.pl/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1 4165 70
https://www.statsoft.pl/wp-content/plugins/cookie-notice/js/front.min.js?ver=1.2.48 1446 70
https://www.statsoft.pl/wp-content/plugins/duracelltomi-google-tag-manager/js/gtm4wp-form-move-tracker.js?ver=1.11.2 622 70
https://www.statsoft.pl/?custom-css=49cc8c6736 959 70

Overall Saving: 1033[ms]

First Contentful Paint marks the time at which the first text or image is painted.
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First Meaningful Paint measures when the primary content of a page is visible.
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Redirects introduce additional delays before the page can be loaded.
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URL Time Spent
(Initial: http://statsoft.pl/) 0
https://statsoft.pl/ 190
https://www.statsoft.pl/ 150

Overall Saving: 340[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).
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Statistic Element Value
Total DOM Elements --- 1,001
Maximum DOM Depth --- 14
Maximum Child Elements --- 56
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive.
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Overall Saving: 0[ms], 0[Bytes]

Serve images that are appropriately-sized to save cellular data and improve load time.
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Overall Saving: 0[ms], 0[Bytes]

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.
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URL Size [Bytes] Potential Savings [Bytes]
https://www.statsoft.pl/wp-content/themes/sage/dist/styles/main.css 24058 22450
https://www.statsoft.pl/wp-content/plugins/jetpack/css/jetpack.css?ver=8.0 12435 12435

Overall Saving: 0[ms], 34885[Bytes]

First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input.
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Large network payloads cost users real money and are highly correlated with long load times.
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URL Size
https://media.statsoft.pl/images/banners/1140x250/terminarz-szkolen_2020.jpg 180194
https://connect.facebook.net/signals/config/582215445868620?v=2.9.15&r=stable 116806
https://media.statsoft.pl/images/banners/1140x250/bwwwgartner.jpg 109692
https://media.statsoft.pl/images/banners/1140x250/baner_statistica-liderem-niezaleznych-porownan_3.jpg 97431
https://media.statsoft.pl//images/banners/1140x250/baner-tibco.jpg 87575
https://static.xx.fbcdn.net/rsrc.php/v3/yS/r/E1LNDHr13ZB.js?_nc_x=Ij3Wp8lg5Kz 86153
https://media.statsoft.pl/images/banners/1140x250/statistica_io.jpg 36971
https://www.statsoft.pl/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp 33208
https://media.statsoft.pl/images/banners/projekt-europejski2.png 31697
https://connect.facebook.net/en_US/fbevents.js 31074
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 318.25
Other 131.84
Style & Layout 118.99
Rendering 108.67
Script Parsing & Compilation 44.93
Parse HTML & CSS 40.37
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://media.statsoft.pl/images/banners/1140x250/terminarz-szkolen_2020.jpg 179910 147770
https://media.statsoft.pl/images/banners/1140x250/baner_statistica-liderem-niezaleznych-porownan_3.jpg 97148 71300
https://media.statsoft.pl//images/banners/1140x250/baner-tibco.jpg 87292 70644
https://media.statsoft.pl/images/banners/1140x250/bwwwgartner.jpg 109408 49778
https://media.statsoft.pl/images/banners/projekt-europejski2.png 31416 22084
https://media.statsoft.pl/images/banners/1140x250/statistica_io.jpg 36689 11597

Overall Saving: 0[ms], 373173[Bytes]

Consider using `` to prioritize fetching resources that are currently requested later in page load.
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Overall Saving: 0[ms]

Minifying JavaScript files can reduce payload sizes and script parse time.
Click here to learn how to optimize this

Overall Saving: 0[ms], 0[Bytes]

Optimized images load faster and consume less cellular data.
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URL Size [Bytes] Potential Savings [Bytes]
https://media.statsoft.pl/images/banners/1140x250/terminarz-szkolen_2020.jpg 179910 111190
https://media.statsoft.pl//images/banners/1140x250/baner-tibco.jpg 87292 50106
https://media.statsoft.pl/images/banners/1140x250/baner_statistica-liderem-niezaleznych-porownan_3.jpg 97148 35844
https://media.statsoft.pl/images/banners/1140x250/bwwwgartner.jpg 109408 20433

Overall Saving: 0[ms], 217573[Bytes]

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes.
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Overall Saving: 0[ms], 0[Bytes]

The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task.
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Time to interactive is the amount of time it takes for the page to become fully interactive.
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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
Minifying CSS files can reduce network payload sizes.
Click here to learn how to optimize this

Overall Saving: 0[ms], 0[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 388.19 6.69 1.68
https://www.statsoft.pl/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp 108.47 97.25 1.89
https://www.statsoft.pl/ 58.18 56.67 1.51

doc

# of requests: 1
Size: 11843 bytes

css

# of requests: 14
Size: 96056 bytes

js

# of requests: 25
Size: 697682 bytes

cssimage

# of requests: 2
Size: 4597 bytes

image

# of requests: 18
Size: 576387 bytes

favicon

# of requests: 1
Size: 318 bytes

iframe

# of requests: 1
Size: 55457 bytes

doc

# of requests: 1
Size: 11843 bytes

js

# of requests: 7
Size: 17934 bytes

favicon

# of requests: 1
Size: 0 bytes

iframe

# of requests: 1
Size: 55457 bytes
Type Url Size Response time Gzip Expires
doc https://www.statsoft.pl/ 59062 1623 11843
css https://www.statsoft.pl/wp-includes/css/dist/block-library/style.min.css?ver=5.3.1 41467 1857 25494 2020/3/13
css https://www.statsoft.pl/wp-content/plugins/banner-floating/widget.css?ver=5.3.1 1152 1968 1152 2020/3/13
css https://www.statsoft.pl/wp-content/plugins/cookie-notice/css/front.min.css?ver=5.3.1 3076 1969 3076 2020/3/13
css https://www.statsoft.pl/wp-content/plugins/statsoft-banner-top/widget.min.css?ver=5.3.1 1425 1971 1425 2020/3/13
css https://www.statsoft.pl/wp-content/plugins/statsoft-facebook/content/facebook_slideout.css?ver=5.3.1 544 1972 544 2020/3/13
css https://www.statsoft.pl/wp-content/plugins/statsoft-post-include/includes/banner-stary.css?ver=5.3.1 813 1972 813 2020/3/13
css https://www.statsoft.pl/wp-content/themes/sage/custom/menu-mobile/menu.css 790 1975 790 2020/3/13
css https://www.statsoft.pl/wp-content/themes/sage/dist/styles/main.css 173400 2208 14376 2020/3/13
css https://www.statsoft.pl/wp-content/plugins/jetpack/css/jetpack.css?ver=8.0 71643 2091 19278 2020/3/13
css https://www.statsoft.pl/?custom-css=49cc8c6736 2361 2483 2370 2021/3/6
css https://secure.gravatar.com/dist/css/hovercard.min.css?ver=2020Maraa 6702 2617 6702 2020/3/13
css https://secure.gravatar.com/dist/css/services.min.css?ver=2020Maraa 2644 2618 2644 2020/3/13
js https://www.google-analytics.com/analytics.js 45229 2581 45229 2020/3/6
js https://connect.facebook.net/signals/config/582215445868620?v=2.9.15&r=stable 457509 2429 791 2020/3/6
js https://connect.facebook.net/en_US/fbevents.js 128769 2365 10005 2020/3/6
js https://snap.licdn.com/li.lms-analytics/insight.min.js 3578 2390 3578 2020/3/7
js https://www.googletagmanager.com/gtm.js?id=GTM-T8STNWV 69785 2325 2765 2020/3/6
js https://www.statsoft.pl/wp-includes/js/wp-emoji-release.min.js?ver=5.3.1 13866 1737 11643 2020/3/13
js https://www.statsoft.pl/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp 96873 2222 96873 2020/3/13
js https://www.statsoft.pl/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1 10056 2096 10056 2020/3/13
js https://www.statsoft.pl/wp-content/plugins/cookie-notice/js/front.min.js?ver=1.2.48 5427 2097 5427 2020/3/13
js https://www.statsoft.pl/wp-content/plugins/duracelltomi-google-tag-manager/js/gtm4wp-form-move-tracker.js?ver=1.11.2 1487 2097 1487 2020/3/13
js https://googleads.g.doubleclick.net/pagead/viewthroughconversion/1033350747/?random=1583507695996&cv=9&fst=1583507695996&num=1&guid=ON&resp=GooglemKTybQhCsO&u_h=768&u_w=1024&u_ah=768&u_aw=1024&u_cd=32&u_his=1&u_tz=0&u_java=false&u_nplug=0&u_nmime=0&ig=1&frm=0&url=https%3A%2F%2Fwww.statsoft.pl%2F&tiba=StatSoft%20Polska%20%E2%80%93%20Lider%20w%20analityce%20danych&hn=www.googleadservices.com&rfmt=3&fmt=4 1554 2626 1554 1990/1/1
js https://www.googleadservices.com/pagead/conversion.js 25802 1670 2819 2020/3/6
js https://www.statsoft.pl/wp-content/plugins/banner-floating/widget.js?ver=1 882 2264 882 2020/3/13
js https://s0.wp.com/wp-content/js/devicepx-jetpack.js?ver=202010 10411 1653 10411 2021/3/6
js https://www.statsoft.pl/wp-content/plugins/statsoft-banner-top/widget.min.js?ver=1 1311 2264 1311 2020/3/13
js https://www.statsoft.pl/wp-content/plugins/statsoft-facebook/content/facebook_slideout.js?ver=1 583 2265 583 2020/3/13
js https://secure.gravatar.com/js/gprofiles.js?ver=2020Maraa 20668 1653 20668 2020/3/13
js https://www.statsoft.pl/wp-content/plugins/jetpack/modules/wpgroho.js?ver=5.3.1 1070 2331 1070 2020/3/13
js https://www.statsoft.pl/wp-content/themes/sage/custom/menu-mobile/menu.js 3864 2345 3864 2020/3/13
js https://www.statsoft.pl/wp-includes/js/wp-embed.min.js?ver=5.3.1 1399 2356 1399 2020/3/13
js https://stats.wp.com/e-202010.js 8972 1652 8972 2021/3/6
cssimage https://www.statsoft.pl/wp-content/plugins/statsoft-facebook/content/contact-tab-fb.jpg 3626 476 --- 2020/3/13
image https://media.statsoft.pl/_old_dnn/statsoft-logo-black.png 2821 2890 --- 2020/3/13
image https://media.statsoft.pl/_old_dnn/images/homepage/tibco_gold_partner.png 4932 2894 --- 2020/3/13
image https://media.statsoft.pl/_old_dnn/images/logomotto.png 3928 2895 --- 2020/3/13
image https://media.statsoft.pl/images/banners/1140x250/terminarz-szkolen_2020.jpg 179910 3242 --- 2020/3/13
image https://media.statsoft.pl//images/banners/1140x250/baner-tibco.jpg 87292 3127 --- 2020/3/13
image https://media.statsoft.pl/images/banners/1140x250/baner_statistica-liderem-niezaleznych-porownan_3.jpg 97148 3127 --- 2020/3/13
image https://media.statsoft.pl/images/banners/1140x250/statistica_io.jpg 36689 3122 --- 2020/3/13
image https://media.statsoft.pl/images/banners/1140x250/bwwwgartner.jpg 109408 3356 --- 2020/3/13
image https://media.statsoft.pl/images/banners/projekt-europejski2.png 31416 3128 --- 2020/3/13
image https://media.statsoft.pl/_old_dnn/images/homepage/tibco_statistica.png 4533 3238 --- 2020/3/13
image https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/unipetrol.jpg 2338 3244 --- 2020/3/13
image https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/millennium.jpg 2154 3244 --- 2020/3/13
image https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/bioton.jpg 2451 3245 --- 2020/3/13
image https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/bosch.jpg 2097 3354 --- 2020/3/13
image https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/netia.jpg 3126 3358 --- 2020/3/13
image https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/nfz.jpg 3211 3361 --- 2020/3/13
image https://media.statsoft.pl/_old_dnn/images/loga_oryginalne/pepsi.jpg 1920 3360 --- 2020/3/13
favicon https://www.statsoft.pl/favicon.ico 318 478 --- 2020/3/6
iframe https://www.facebook.com/plugins/page.php?href=https%3A%2F%2Fwww.facebook.com%2FStatSoftPolska%2F&tabs&width=255&height=130&small_header=false&adapt_container_width=true&hide_cover=true&show_facepile=false&appId 55457 2617 55457 2000/1/1
css https://static.xx.fbcdn.net/rsrc.php/v3/yg/l/0,cross/iAMQkj3ecnp.css?_nc_x=Ij3Wp8lg5Kz 28523 2635 17216 2021/3/6
css https://static.xx.fbcdn.net/rsrc.php/v3/yr/l/0,cross/QYwAVVCrD66.css?_nc_x=Ij3Wp8lg5Kz 4077 2660 176 2021/3/6
js https://static.xx.fbcdn.net/rsrc.php/v3/yI/r/TM0doktEDxI.js?_nc_x=Ij3Wp8lg5Kz 347581 2673 347581 2021/3/6
js https://static.xx.fbcdn.net/rsrc.php/v3/yy/r/Q-1A_DkBfdp.js?_nc_x=Ij3Wp8lg5Kz 68722 2672 68722 2021/3/6
js https://static.xx.fbcdn.net/rsrc.php/v3/y-/r/juVLkmsbQaW.js?_nc_x=Ij3Wp8lg5Kz 26104 2760 26104 2021/3/6
js https://static.xx.fbcdn.net/rsrc.php/v3/y_/r/gJRSPn5W-PL.js?_nc_x=Ij3Wp8lg5Kz 20303 2760 13888 2021/3/6
cssimage https://static.xx.fbcdn.net/rsrc.php/v3/yb/r/fx046rC7b25.png 971 2760 --- 2021/3/6
image https://scontent-lga3-1.xx.fbcdn.net/v/t1.0-1/cp0/p50x50/40910877_1448915195212272_5329359561641951232_n.png?_nc_cat=101&_nc_sid=dbb9e7&_nc_ohc=safH06XhjbMAX9TmH9p&_nc_ht=scontent-lga3-1.xx&oh=6bdfc1f773b848f7f693c39526e6f315&oe=5E99A789 1013 2806 --- 2020/3/20

Statsoft.pl is Built With These Technologies

Detected Technologies

Apache
Apache
Facebook
Facebook
Google Analytics
Google Analytics
Google Tag Manager
Google Tag Manager
Gravatar
Gravatar
TrackJs
TrackJs
Twitter Emoji (Twemoji)
Twitter Emoji (Twemoji)
WordPress
WordPress
jQuery
jQuery
jQuery Migrate
jQuery Migrate
PHP
PHP
MySQL
MySQL

Webserver Info

Malopolskie, Krakow, Poland, 31-999
IP: 85.128.223.46

Location

50.0833

Latitude

19.9167

Longitude

Whois

Created 1998-11-30
Changed 2019-11-22
Sponsor Agnat Sp. z o.o.
ul. Gdańska 119
85-022 Bydgoszcz
Polska/Poland
+48.52 3667777
+48.52 3667788
[email protected]
www.domena.pl
WHOIS database responses and Registrant data available at: https://dns.pl/en/whois
Name Server ns2.domena.pl (91.234.176.240)
ns3.domena.pl (195.110.49.49)
ns1.domena.pl (193.239.44.33)

Statsoft.pl SEO Stats and Top Pages

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

38 Domain Authority
234k Unique Domain Links
175 Outgong Links
31k External Links
0 Spam Score

Top Pages

Ranking the most visited pages on your website.

# Link
1 statsoft.pl/
2 statsoft.pl/textbook/1905.htm
3 statsoft.pl/textbook/1643.htm
4 statsoft.pl/textbook/674.htm
5 statsoft.pl/textbook/1649.htm
6 statsoft.pl/textbook/667.htm
7 statsoft.pl/textbook/1184.htm
8 statsoft.pl/textbook/59.htm
9 statsoft.pl/textbook/1600.htm
10 statsoft.pl/textbook/1357.htm
11 statsoft.pl/textbook/476.htm
12 statsoft.pl/textbook/579.htm
13 statsoft.pl/textbook/481.htm
14 statsoft.pl/textbook/670.htm
15 statsoft.pl/textbook/306.htm
16 statsoft.pl/textbook/1883.htm
17 statsoft.pl/textbook/1025.htm
18 statsoft.pl/textbook/1968.htm
19 statsoft.pl/textbook/1887.htm
20 statsoft.pl/textbook/1461.htm
21 statsoft.pl/textbook/1462.htm
22 statsoft.pl/textbook/206.htm
23 statsoft.pl/textbook/397.htm
24 statsoft.pl/textbook/7.htm
25 statsoft.pl/textbook/1005.htm
26 statsoft.pl/textbook/1200.htm
27 statsoft.pl/textbook/710.htm
28 statsoft.pl/textbook/50.htm
29 statsoft.pl/textbook/1500.htm
30 statsoft.pl/textbook/1568.htm
31 statsoft.pl/textbook/1379.htm
32 statsoft.pl/textbook/940.htm
33 statsoft.pl/textbook/1217.htm
34 statsoft.pl/textbook/1593.htm
35 statsoft.pl/textbook/482.htm
36 statsoft.pl/textbook/1776.htm
37 statsoft.pl/textbook/324.htm
38 statsoft.pl/textbook/925.htm
39 statsoft.pl/textbook/1296.htm
40 statsoft.pl/textbook/209.htm
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