DomainSpy Analytics and Page Speed Report For: Ctan.org

Content Category:  Computers/Software/Typesetting/TeX

Adult Content: No

Type: Page

Domain Value

$129,600.00

About Domain

77

DS Score

40

Traffic

80

Search

100

Technologies

86

Performance

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Traffic

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

72,966

Alexa Rank

144,390

Monthly Unique Visitors

866,340

Monthly pageviews

$144.00

Revenue Per Day

Top 5 Countries By Traffic

Country Code Rank Page Views Users
US 83067 9.6% 11.7%
IN 45561 25.1% 11.3%
NG 12340 8.1% 4.3%
MA 11344 2.8% 2.0%
IR 59537 1.8% 1.9%

Performance

Measuring the strength of your website’s page load time

86

Performance

78/100

Google PageSpeed Score

94/100

YSlow Score

0.87

Page Size [megabytes]

1.8

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: 2012.388[ms]

Speed Index shows how quickly the contents of a page are visibly populated.
Click here to learn how to optimize this
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://ctan.org/assets/portal-944f93dcc061b0c8fb36b9debe744e42.js 100284 270
https://ctan.org/assets/lightbox/lightbox.min-7ad53dc7cf622f05176030c7b4352126.js 2892 150
https://ctan.org/assets/lightbox/lightbox-a19df1db63f966d9f830ee78a639f137.css 1448 150
https://ctan.org/assets/heartbeat-23c92f45463bf81850fbb3e1f20e94b6.js 2259 150
https://ctan.org/assets/skin/gray/skin.css 12956 190

Overall Saving: 482[ms]

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://ctan.org/assets/dvd/TeX-collection-2020.png 274108 211308
https://ctan.org/assets/teaser/M/tex-1-bca293031efb62e5747c5b74f65fff6f.png 98833 72765
https://ctan.org/assets/skin/gray/images/head-53149a22d92134e6383729796039076c.png 150428 67560

Overall Saving: 240[ms], 351633[Bytes]

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://ctan.org/assets/dvd/TeX-collection-2020.png 274108 262070
https://ctan.org/assets/teaser/M/tex-1-bca293031efb62e5747c5b74f65fff6f.png 98833 48425

Overall Saving: 200[ms], 310495[Bytes]

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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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]

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://ctan.org/assets/skin/gray/skin.css 12956 10265

Overall Saving: 0[ms], 10265[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://ctan.org/assets/dvd/TeX-collection-2020.png 274540
https://ctan.org/assets/skin/gray/images/ctan-lion-d371c25e7eefcd9e0ada8e810fc88127.svg 238762
https://ctan.org/assets/font-awesome-4.7.0/fonts/fontawesome-webfont.ttf?v=4.7.0 166001
https://ctan.org/assets/skin/gray/images/head-53149a22d92134e6383729796039076c.png 150858
https://ctan.org/assets/portal-944f93dcc061b0c8fb36b9debe744e42.js 100284
https://ctan.org/assets/teaser/M/tex-1-bca293031efb62e5747c5b74f65fff6f.png 99255
https://ctan.org/assets/skin/gray/skin.css 12956
https://ctan.org/assets/lightbox/loading.gif 8899
https://ctan.org/ 6410
https://ctan.org/assets/lightbox/lightbox.min-7ad53dc7cf622f05176030c7b4352126.js 2892
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
Style & Layout 113.05
Script Evaluation 107.86
Other 91.99
Rendering 35.18
Parse HTML & CSS 20.14
Script Parsing & Compilation 9
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 --- 298
Maximum DOM Depth --- 10
Maximum Child Elements --- 10
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]

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]

Redirects introduce additional delays before the page can be loaded.
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Overall Saving: 0[ms]

Optimized images load faster and consume less cellular data.
Click here to learn how to optimize this

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

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

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

A long cache lifetime can speed up repeat visits to your page.
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.
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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 243.06 4.44 0.86
https://ctan.org/assets/portal-944f93dcc061b0c8fb36b9debe744e42.js 128.45 101.15 4.69
There are 14 static components that are not on CDN.

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

Components:
  • ctan.org: 14 components, 1169.8K (100.3K GZip)
There is 1 component that can be minified
Components:
  • inline script tag #2
Favicon is more than 2000 bytes
Components:
    This page has 3 external stylesheets. Try combining them into one.
    Components:
      Components:
        Components:
          Components:
            Components:
              Components:
                Components:
                  Components:
                  • ctan.org: 20 components, 1242.6K (120.2K GZip)
                  Components:
                    Components:
                      Components:
                        Components:
                          Components:
                            Components:
                              Components:
                                Components:
                                  Components:
                                    Components:
                                      Components:

                                        doc

                                        # of requests: 1
                                        Size: 19911 bytes

                                        css

                                        # of requests: 3
                                        Size: 77693 bytes

                                        js

                                        # of requests: 3
                                        Size: 22626 bytes

                                        cssimage

                                        # of requests: 6
                                        Size: 364280 bytes

                                        image

                                        # of requests: 2
                                        Size: 372941 bytes

                                        favicon

                                        # of requests: 5
                                        Size: 52871 bytes

                                        doc

                                        # of requests: 1
                                        Size: 19911 bytes
                                        Type Url Size Response time Gzip Expires
                                        doc https://ctan.org/ 19911 659 19911 2020/5/13
                                        css https://ctan.org/assets/lightbox/lightbox-a19df1db63f966d9f830ee78a639f137.css 3460 943 3460 2021/5/14
                                        css https://ctan.org/assets/skin/gray/skin.css 71927 1055 71927 2021/5/14
                                        css https://ctan.org/assets/skin/print/skin.css 2306 1753 2306 2021/5/14
                                        js https://ctan.org/assets/portal-944f93dcc061b0c8fb36b9debe744e42.js 341798 960 9463 2021/5/14
                                        js https://ctan.org/assets/lightbox/lightbox.min-7ad53dc7cf622f05176030c7b4352126.js 7801 940 7801 2021/5/14
                                        js https://ctan.org/assets/heartbeat-23c92f45463bf81850fbb3e1f20e94b6.js 5362 942 5362 2021/5/14
                                        cssimage https://ctan.org/assets/skin/gray/images/head-50-4ee429caa515136c419d9d5000fc611a.png 114491 1283 --- 2021/5/14
                                        cssimage https://ctan.org/assets/skin/gray/images/ctan-lion-d371c25e7eefcd9e0ada8e810fc88127.svg 238323 1485 --- 2021/5/14
                                        cssimage https://ctan.org/assets/lightbox/prev.png 1360 1188 --- 2021/5/14
                                        cssimage https://ctan.org/assets/lightbox/next.png 1350 1283 --- 2021/5/14
                                        cssimage https://ctan.org/assets/lightbox/loading.gif 8476 1188 --- 2021/5/14
                                        cssimage https://ctan.org/assets/lightbox/close.png 280 1185 --- 2021/5/14
                                        image https://ctan.org/assets/dvd/TeX-collection-2020.png 274108 1653 --- 2021/5/14
                                        image https://ctan.org/assets/teaser/M/tex-1-bca293031efb62e5747c5b74f65fff6f.png 98833 1480 --- 2021/5/14
                                        favicon https://ctan.org/assets/favicon/favicon-32x32-a101178bc8b3b1faaccae8b3eb747f97.png 2020 396 --- 2021/5/14
                                        favicon https://ctan.org/assets/favicon/android-chrome-192x192-beba071413dcab08f0a0c89a58a23457.png 25994 470 --- 2021/5/14
                                        favicon https://ctan.org/assets/favicon/favicon-96x96-0ec6ea4c2b21cf315aab8d552474015c.png 8397 392 --- 2021/5/14
                                        favicon https://ctan.org/assets/favicon/favicon-16x16-ecad89e8a3475c9b10c36f82efef3bcd.png 1374 397 --- 2021/5/14
                                        favicon https://ctan.org/assets/favicon/favicon-afd4a866cd0c27587b7b06cd4199a57f.ico 15086 483 --- 2021/5/14

                                        Detected Technologies

                                        SEO Details

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

                                        80

                                        Search

                                        80

                                        Domain Authority

                                        12,966,072

                                        Unique Domain Links

                                        149,500

                                        Outgong Links

                                        4,423,164

                                        External Links

                                        1

                                        Spam Score

                                        Top Pages

                                        Ranking the most visited pages on your website.

                                        # Link
                                        1 ctan.org/
                                        2 ctan.org/pkg/pdftex
                                        3 ctan.org/pkg/luatex
                                        4 ctan.org/pkg/biblatex
                                        5 ctan.org/pkg/longtable
                                        6 ctan.org/pkg
                                        7 ctan.org/pkg/geometry
                                        8 ctan.org/pkg/etex
                                        9 ctan.org/mirrors
                                        10 ctan.org/pkg/hyperref

                                        Webserver Info

                                        Nordrhein-westfalen, Koeln, Germany, 51147
                                        IP: 5.35.249.60

                                        Location

                                        50.9333

                                        Latitude

                                        6.95

                                        Longitude

                                        Whois

                                        Created 1998-11-03
                                        Changed
                                        Name Server comedy.dante.de (5.35.249.60)
                                        ns1.tug.org (96.88.95.60)
                                        ns2.tug.org (94.23.251.76)
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