Website review ctan.org
CTAN: Comprehensive TeX Archive Network
Generated on March 04 2026 13:48 PM
Old data? UPDATE !
The score is 55/100
SEO Content
Title
CTAN: Comprehensive TeX Archive Network
Length : 39
Perfect, your title contains between 10 and 70 characters.
Description
Length : 0
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Keywords
Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties
This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 11 | 0 | 0 | 0 | 0 |
- [H1] The Comprehensive TeX Archive Network
- [H2] Announcements on CTAN-announce
- [H2] Activity on CTAN
- [H2] Search on CTAN
- [H2] Browse CTAN
- [H2] Contribute to CTAN
- [H2] Background of CTAN
- [H2] CTAN on DVD
- [H2] Did you know?
- [H2] TeX
- [H2] Download a TeX System
- [H2] User Groups
Images
We found 3 images on this web page.
2 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 27%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Bad. Your links have query string.
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 49 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Login | Internal | noFollow |
| Join | Internal | noFollow |
| Settings | Internal | Passing Juice |
| Help | Internal | Passing Juice |
| Cover | Internal | Passing Juice |
| CTAN Background | Internal | Passing Juice |
| Mirrors | Internal | Passing Juice |
| Privacy | Internal | Passing Juice |
| Credits | Internal | Passing Juice |
| Upload | Internal | Passing Juice |
| Upload basics | Internal | Passing Juice |
| Upload addendum | Internal | Passing Juice |
| Licenses | Internal | Passing Juice |
| Packages | Internal | Passing Juice |
| Topics | Internal | Passing Juice |
| Contributors | Internal | Passing Juice |
| Announcements | Internal | Passing Juice |
| Extended search | Internal | Passing Juice |
| File search | Internal | Passing Juice |
| 2026-03-04 CTAN update: didec | Internal | Passing Juice |
| 2026-03-04 CTAN update: knuth-hint | Internal | Passing Juice |
| 2026-03-04 CTAN update: knuth-pdf | Internal | Passing Juice |
| more | Internal | Passing Juice |
| advanced search form | Internal | Passing Juice |
| archive directory | Internal | Passing Juice |
| list of packages | Internal | Passing Juice |
| list of topics | Internal | Passing Juice |
| list of contributors | Internal | Passing Juice |
| upload form | Internal | Passing Juice |
| What is CTAN? | Internal | Passing Juice |
| CTAN mirrors | Internal | Passing Juice |
| Catalogue | Internal | Passing Juice |
| Donald E.Knuth | External | Passing Juice |
| The Art of Computer Programming | External | Passing Juice |
| more | Internal | Passing Juice |
| more | Internal | Passing Juice |
| more | Internal | Passing Juice |
| Guest Book | Internal | Passing Juice |
| Sitemap | Internal | Passing Juice |
| Contact | Internal | Passing Juice |
| Contact Author | Internal | Passing Juice |
| Internal | Passing Juice | |
| | External | Passing Juice |
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SEO Keywords
Keywords Cloud
search ctan network archive contributors users comprehensive packages upload more
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| ctan | 26 |  |
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| archive | 9 | |
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| search | 8 | |
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| more | 7 | |
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| upload | 6 | |
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Usability
Url
Domain : ctan.org
Length : 8
Favicon
Great, your website has a favicon.
Printability
Great. We have found a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Too bad, your website is using inline styles. |
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Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Missing
Your website does not have an XML sitemap - this can be problematic.
A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt
https://ctan.org/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
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