Tug.org - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
68% 
Page quality
81% 
Page structure
79% 
Link structure
66% 
Server
45% 
External factors
100% 
SEO Score
Response time
0.03 s
File size
18.10 kB
Words
789
Media files
2
Number of links
75 internal / 68 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
TeX Users Group (TUG)
The length of the page title is perfect. (216 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Server location: Germany
The language is not specified in the HTML markup.
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The character encoding is not specified in the HTTP header.
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
No doctype markup was found.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width,initial-scale=1
keywordsTeX LaTeX Metafont MetaPost TUG TUGboat TeXLive TeX Live MacTeX CTAN typesetting typography fonts
Content-Typetext/html; charset=UTF-8

Automatically check tug.org including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Page quality

Content
(Critically important)
This page contains 789 words. That's ok.
28.4% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
14 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 18.23 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width,initial-scale=1" is provided.
This page does not require any JavaScript files.
Bold and strong tags
(Somewhat important)
The amount of tags is very high (31). We recommend using a maximum of 16 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
https://tug.org/rss/xml.pngTUG RSS feed
https://tug.org/rss/xml.pngCTAN RSS feed

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 TeX Users Group
Some anchor texts are used more than once.
2 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are too many external links (68) on this page.

Found links on this page

LinkAttributesAnchor text
/forms/current/memberapp.htmlNo Text
https://www.duckduckgo.com/External Subdomain DuckDuckGo
/forms/current/memberapp.htmlNo Text
https://www-cs-faculty.stanfor...External Subdomain Donald Knuth
/forms/current/memberapp.htmlJoin or renew with TUG
/forms/current/trialapp.htmltrial memberships
https://lists.tug.org/tex-anno...External Subdomain Subscribe to our monthly newsletter
https://tug.org/begin.htmlGet started with TeX
https://tex.stackexchange.com/Nofollow External Subdomain q&a site
https://latex.org/forum/External forum
https://lists.tug.org/texhaxExternal Subdomain public mailing list
https://www.reddit.com/r/LaTeX/External Subdomain reddit
https://tug.org/interest.htmlin other ways
https://tex.social/External blogs
http://tug.org/rss/tug.xmlIMG-ALT TUG RSS feed
https://tug.org/books/New book review:
/books/reviews/tb143reviews-ca...Form & Number: A History of Mathematical Beauty
https://archive.org/details/ca...External book itself is also available
https://tug.org/TUGboat/tb46-1/TUGboat 46:1
https://tug.org/store/TUG store
https://tug.org/TUGboat/tb45-3/45:3
https://tug.org/tug2025/TUG'25
https://tug.org/tug2025/cfp.htmlcall for papers
https://tug.org/texlive/TeX Live 2025
https://tug.org/mactex/MacTeX 2025
https://ctan.org/External CTAN
https://ctan.org/pkg/texliveExternal TL
https://ctan.org/pkg/mactexExternal MacTeX
https://tug.org/meetings.htmlmeeting list
https://tug.org/tug2025/TUG 2025
https://www.hyatt.com/hyatt-re...External Subdomain Hyatt Regency
/tug2025/workshop.htmlLaTeX developers' workshop
/tug2025/travel.htmlVisa application
/tug2025/register.htmlRegister for the conference
https://tug.org/tug2025/cfp.htmlCall for papers
https://tug.org/tug2025/Hotel reservations
https://meeting.contextgarden....External Subdomain ConTeXt Meeting 2025
https://krefta.pl/External KREFTA
https://bachotex.gust.org.pl/2...External Subdomain BachoTeX 2025
https://bachotex.gust.org.pl/2...External Subdomain Text duplicate Call for papers
https://www.dante.de/veranstal...External Subdomain DANTE e.V., 67. annual meeting (DANTE 2025)
https://silicon.stanford.edu/f...External Subdomain Face/Interface 2025
https://www.youtube.com/playli...External Subdomain talks from the 2023 conference
https://grafematik2024.science...External Subdomain Grapholinguistics in the 21st Century
http://www.latex-project.org/External Subdomain LaTeX
http://www.contextgarden.net/External Subdomain ConTeXt
http://www.math.utah.edu/~beeb...External Subdomain Metafont
https://tug.org/metapost.htmlMetaPost
http://www.gnu.org/software/te...External Subdomain Texinfo
https://tug.org/interest.htmlet al.
https://tug.org/join.htmljoining TUG
https://tug.org/usergroups.htmlanother TeX user group
https://tug.org/join.htmlMemberships
https://tug.org/donate.htmldonations
https://tug.org/tax-exempt/tax-deductible
https://tug.org/aims_ben.htmlTUG membership benefits
https://tug.org/TUGboatTUGboat
https://tug.org/meetings.htmlannual TeX conference
https://tug.org/texcollection/TeX Collection
https://tug.org/texlive/TeX Live
https://tug.org/mactex/Text duplicate MacTeX
https://ctan.org/External snapshot of CTAN
https://ctan.org/External Comprehensive TeX Archive Network
https://ctan.org/pkg/External package list
https://ctan.org/topics/cloudExternal topic cloud
https://ctan.org/search.htmlExternal CTAN search page
https://ctan.org/External Text duplicate CTAN
https://ctan.org/ctan-ann/rssExternal IMG-ALT CTAN RSS feed
https://www.ctan.org/ctan-ann/...External Subdomain JuliaMono
https://www.ctan.org/ctan-ann/...External Subdomain ptex-manual
https://www.ctan.org/ctan-ann/...External Subdomain mendex-doc
https://www.ctan.org/ctan-ann/...External Subdomain jsclasses
https://www.ctan.org/ctan-ann/...External Subdomain updatemarks
https://www.ctan.org/ctan-ann/...External Subdomain plantuml
https://www.ctan.org/ctan-ann/...External Subdomain resphilosophica
https://www.ctan.org/ctan-ann/...External Subdomain footmisc
https://www.ctan.org/ctan-ann/...External Subdomain bangorcsthesis
https://www.ctan.org/ctan-ann/...External Subdomain l3build
https://www.ctan.org/ctan-ann/...External Subdomain jsonparse
https://www.ctan.org/ctan-ann/...External Subdomain hustvisual
https://www.ctan.org/ctan-ann/...External Subdomain siunitx
https://www.ctan.org/ctan-ann/...External Subdomain phonenumbers
https://www.ctan.org/ctan-ann/...External Subdomain pdfjam
https://www.ctan.org/ctan-ann/...External Subdomain measurebox
https://www.ctan.org/ctan-ann/...External Subdomain stretchy
https://www.ctan.org/ctan-ann/...External Subdomain luatexja
https://www.ctan.org/ctan-ann/...External Subdomain TangramTikZ
https://www.ctan.org/ctan-ann/...External Subdomain thematicpuzzle
https://www.ctan.org/ctan-ann/...External Subdomain tikz3d-fr
https://www.ctan.org/ctan-ann/...External Subdomain timeop
https://www.ctan.org/ctan-ann/...External Subdomain tkz-grapheur
https://www.ctan.org/ctan-ann/...External Subdomain TrivialPursuit
https://www.ctan.org/ctan-ann/...External Subdomain xint-regression
https://www.ctan.org/ctan-ann/...External Subdomain sim-os-menus
https://www.ctan.org/ctan-ann/...External Subdomain Scrabble
https://www.ctan.org/ctan-ann/...External Subdomain randintlist
https://www.ctan.org/ctan-ann/...External Subdomain ProfSio
https://www.ctan.org/ctan-ann/...External Subdomain ProfLycee
https://tug.org/join.htmlJoin/renew with TUG
https://tug.org/members/TUG member area
https://tug.org/instmem.htmlInstitutional members
https://tug.org/contact.htmlContact us
https://tug.org/donate.htmlMake a donation
https://tug.org/tax-exempt/Tax exempt
https://tug.org/aims_ben.htmlAims & benefits
https://tug.org/board.htmlBoard
https://tug.org/committees.htmlCommittees
https://tug.org/election/Elections
https://tug.org/begin.htmlGetting started
https://texfaq.org/External FAQ
https://tug.org/whatis.htmlHistory of TeX
https://ctan.org/External Downloads/CTAN
https://tug.org/texlive/Text duplicate TeX Live
https://tug.org/mactex/Text duplicate MacTeX
https://miktex.org/External MiKTeX
https://tug.org/interest.htmlTeX around the web
https://tug.org/TUGboat/Text duplicate TUGboat
https://tug.org/tc/devfund/Project funding
https://tug.org/books/Bookstore/reviews
https://tug.org/store/Text duplicate TUG store
https://tug.org/store/lucida/Lucida fonts
https://tug.org/interviews/Interviews
https://tug.org/usergroups.htmlUser groups
https://tug.org/meetings.htmlConferences
https://tug.org/pubs/Journals/Publications
https://tug.org/mailman/listinfoMailing lists
https://tug.org/twg.htmlWorking groups
https://tug.org/publicity/Stickers & publicity
https://tug.org/FontCatalogue/Font Catalogue
https://tug.org/texshowcase/TeX showcase
https://tug.org/fonts/Fonts for TeX
https://tug.org/video.htmlVideos
https://tug.org/museums.htmlTypography museums
https://tug.org/consultants.htmlConsultants for hire
https://tug.org/jobboard.htmlJob openings
https://tug.org/Anchor TeXnical support links above
https://www.facebook.com/group...External Subdomain facebook
https://techhub.social/@TeXUse...External mastodon
https://twitter.com/texusersgroupExternal twitter
https://tug.org/instmem.htmlinstitutional
https://tug.org/donors/donors
https://tug.org/join.htmlText duplicate joining TUG
https://tug.org/donate.htmlmaking a donation

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://tug.org/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time is excellent with 0.03 seconds.
This page only loads 2 CSS files. That's ok.
This page does not require any JavaScript files.
The file size of the HTML document is fine (18 kB).

HTTP Response Header

NameValue
dateSun, 11 May 2025 21:45:01 GMT
serverApache/2.4.63 (Unix) OpenSSL/1.1.1k
upgradeh2
connectionUpgrade
accept-rangesbytes
transfer-encodingchunked
content-typetext/html
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 521 referring domains.
This page has 1,288 backlinks.
This page has backlinks from 345 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# $Id: robots.txt,v 1.13 2025/04/26 22:02:34 karl Exp $
# Robots.txt file
# validate at http://www.sxw.org.uk/computing/robots/check.html

# Try disabling bots from
# https://www.cyberciti.biz/web-developer/block-openai-bard-bing-ai-crawler-bots-using-robots-txt-file/
User-agent: GPTBot
Disallow: /
User-agent: ChatGPT-User
Disallow: /
User-agent: Google-Extended
Disallow: /
User-agent: PerplexityBot
Disallow: /
User-agent: Amazonbot
Disallow: /
User-agent: ClaudeBot
Disallow: /
User-agent: Omgilibot
Disallow: /
User-Agent: FacebookBot
Disallow: /
User-Agent: Applebot
Disallow: /
User-agent: anthropic-ai
Disallow: /
User-agent: Bytespider
Disallow: /
User-agent: Claude-Web
Disallow: /
User-agent: Diffbot
Disallow: /
User-agent: ImagesiftBot
Disallow: /
User-agent: Omgilibot
Disallow: /
User-agent: Omgili
Disallow: /
User-agent: YouBot
Disallow: /

# always disallow certain big or useless directories, and assorted symlinks.
User-agent: *
Crawl-Delay: 1
Disallow: /RCS/
Disallow: /cgi-bin
Disallow: /devsrc/
Disallow: /ftp/
Disallow: /i-packages/
Disallow: /images/
Disallow: /proTeXt/
Disallow: /svn/
Disallow: /teTeX/
Disallow: /tetex/release
Disallow: /tetex/tetex-src
Disallow: /tetex/tetex-texmfdist
Disallow: /tetex/tetex-texmfmain
Disallow: /tetex/texmf
Disallow: /tetex/texmf-dist
Disallow: /tetex/texmf-local
Disallow: /texlive/Contents/
Disallow: /texlive/Images/
Disallow: /texlive/devsrc/
Disallow: /texlive/svn/
Disallow: /texmf/
Disallow: /texmf-dist/
Disallow: /twg/MacTeX/
Disallow: /viewvc-docroot/
Disallow: /~rlevien/scan/
Disallow: /TUGboat/production/

Similar sites

Search preview

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
TUG64%Check
TeX55%Check
Users55%Check
Group55%Check
Users Group55%Check
TeX Users55%Check
TeX Users Group55%Check
User Group55%Check
org51%Check
CTAN41%Check
Show more keywords and terms

Automatically check tug.org including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions