Ocaml.org - SEO Checker

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Overview of the SEO Check
Meta information
90% 
Page quality
76% 
Page structure
73% 
Link structure
86% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.10 s
File size
72.80 kB
Words
854
Media files
23
Number of links
71 internal / 8 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Welcome to a World of OCaml
The title contains the word Welcome to! More content should be covered in the title.
There are no duplicate words in the title
Meta description
(Critically important)
OCaml is a general-purpose, industrial-strength programming language with an emphasis on expressiveness and safety.
The length of the meta description is perfect. (741 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://ocaml.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
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 charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1, shrink-to-fit=no
descriptionOCaml is a general-purpose, industrial-strength programming language with an emphasis on expressiveness and safety.
og:imagehttps://ocaml.org/_/MWIyY2ZmMWM5YzdkYWNmYWI4NGQ0MDBjOGFiZTYxOTg/ocaml_org_social_media.png
theme-color#fff
color-schemewhite
ahrefs-site-verification6ff715b377cdcd566334b44ae8888791189ce24640c8a403eacdc3bcbaa9449b
langen
twitter:titleWelcome to a World of OCaml
twitter:descriptionOCaml is a general-purpose, industrial-strength programming language with an emphasis on expressiveness and safety.
twitter:imagehttps://ocaml.org/_/MWIyY2ZmMWM5YzdkYWNmYWI4NGQ0MDBjOGFiZTYxOTg/ocaml_org_social_media.png
og:site_nameOCaml
og:typeobject
og:titleWelcome to a World of OCaml
og:descriptionOCaml is a general-purpose, industrial-strength programming language with an emphasis on expressiveness and safety.
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
These Typos were found:
  • occurence => occurrence
This page contains 854 words. That's ok.
29% of the text are stop words.
The page contains a listing, which indicates a good text layout.
15 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 15.9 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, shrink-to-fit=no" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 17 tags for this page.
Image SEO
(Somewhat important)
4 images have no alt attribute. The content of alt attributes is used by search engines.
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
...E3Njk4M2FiZTg1NWZjNTM/logo-with-name.svgOCaml logo
...YjliMDEwNDBkMDY/logo-with-name-white.svgOCaml logo
...E3Njk4M2FiZTg1NWZjNTM/logo-with-name.svgOCaml logo
...YjliMDEwNDBkMDY/logo-with-name-white.svgOCaml logo
...E/img/acm_award_banner/acm_award_cup.svgillustration of a cup
...Tk2OWE/img/acm_award_banner/acm_logo.pngillustration of a cup
...RhNGQ3ZDhiZTQyMjhjNTY/logos/facebook.svgFacebook
...kY2E2ZTA5OTQwMmJiMWY/logos/microsoft.svgMicrosoft
...MWNiODE0ZGJjYjM5YzhiMmU/logos/docker.svgDocker
...NGUzNThiNDM0ZGRlNDI/logos/janestreet.svgJane Street
...2YTJjZDFiNDAxY2E5YjA/logos/bloomberg.svgBloomberg
...lZGQ3OWI0MjgxYTUyZGFmZjU/logos/tezos.svgTezos
...Y2ExNWRmZTRiOTQ2Y2M5ZWQ/logos/ahrefs.svgAhrefs
...YjZiZjNhNTFiODc/img/home/safe-stable.svgAn example OCaml program defining nested lists in OCaml. A terminal output also shows the compiler catching a type error where a pattern-match was not exhaustive.
...NmRlMzJkNTZmMDk3YWM2NTY/logos/vscode.svgVS Code
...mMWJmZmZlZTE/img/home/vscode-preview.pngNo alt attribute provided
...GEwZmRkMDcxYTgzNzU5NjM5NzA/logos/vim.svgVim
...MTg4MTE1ZjFjMGI/img/home/vim-preview.pngNo alt attribute provided
...4MjlmYjUyN2Q1ZDMwZDAxMzk/logos/emacs.svgEmacs
...TAxYWQ1NDU1Yzg/img/home/emac-preview.pngNo alt attribute provided
...iNTdmMmNmNmQwMTA/img/home/workfaster.svgNo alt attribute provided
...E3Njk4M2FiZTg1NWZjNTM/logo-with-name.svgOCaml
...YjliMDEwNDBkMDY/logo-with-name-white.svgOCaml

Page structure

H1 heading
(Critically important)
OCaml
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (5 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 OCaml
H2 The OCaml Compiler has been recognised by SIGPLAN for their prestigious Programming Languages Software Award
H2 Trusted by Industry Leaders
H2 Why OCaml?
H2 Exceptionally Robust and Reliable
H2 Users of OCaml
H2 Curated Resources
H2 OCaml Packages
H2 Footer
H3 RELIABILITY
H3 First-Class Editor and Tooling
H3 PERFORMANCE Fast Compiler and Applications
H3 Releases
H3 5.2.1 (2024-11-18)
H3 5.2.0 (2024-05-13)
H3 Changelog
H3 Compiler and Platform Tools
H3 For Educators
H3 For Industrial Users
H3 About OCaml
H3 Resources
H3 Ecosystem
H3 Policies
Some anchor texts are used more than once.
There are 1 links with a trivial 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 8 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://ocaml.org/IMG-ALT OCaml logo
https://ocaml.org/apiStandard Library API
https://ocaml.org/docsLearn
https://ocaml.org/toolsTools
https://ocaml.org/packagesPackages
https://ocaml.org/communityCommunity
https://ocaml.org/changelogNews
https://ocaml.org/playPlay
/docs/get-startedGet Started
https://ocaml.org/Text duplicate IMG-ALT OCaml logo
https://ocaml.org/docsText duplicate Learn
https://ocaml.org/toolsText duplicate Tools
https://ocaml.org/packagesText duplicate Packages
https://ocaml.org/communityText duplicate Community
https://ocaml.org/changelogText duplicate News
https://ocaml.org/playText duplicate Play
https://ocaml.org/apiText duplicate Standard Library API
/docs/get-startedGet started
https://discord.gg/cCYQbqNExternal No Text
https://github.com/ocaml/ocamlExternal No Text
https://twitter.com/ocaml_orgExternal No Text
https://ocaml.org/installInstall
https://ocaml.org/aboutAbout OCaml
https://ocaml.org/releases/5.2.1Latest release: 5.2.1
https://ocaml.org/releases/4.14.2Long Term Support release: 4.14.2
https://ocaml.org/playTry the Playground
/news/sigplan_announcementTrivial anchor text
Read more
/industrial-usersSuccess Stories
https://anil.recoil.org/papers...External Subdomain Using Functional Programming within an Industrial Product Group: Perspectives and Perceptions.
https://ocaml.org/releases/5.2.15.2.1 (2024-11-18)
https://ocaml.org/releases/5.2.05.2.0 (2024-05-13)
https://ocaml.org/releasesSee All Releases
https://ocaml.org/changelogReleases & Updates Compiler and Platform Tools
/changelog/2024-11-28-ocaml-5....OCaml 5.3.0 - Second Beta
https://ocaml.org/changelogSee full changelog
/changelog/2024-11-27-dune.3.17.0Dune 3.17.0
https://ocaml.org/changelogText duplicate See full changelog
/changelog/2024-11-18-ocaml-5.2.1Release of OCaml 5.2.1
https://ocaml.org/changelogText duplicate See full changelog
https://ocaml.org/changelogSee Full Changelog
https://ocaml.org/academic-usersLearn more
/industrial-usersText duplicate Learn more
https://ocaml.org/installGetting Started Install OCaml, set up your favorite text editor and start your first project.
https://ocaml.org/manualLanguage Manual Read the reference manual of the language and documentation on the compiler.
https://ocaml.org/booksBooks Discover OCaml books from expert programmers and researchers - from beginner level to advanced topics.
https://ocaml.org/apiStandard Library Searchable API documentation.
https://ocaml.org/exercisesExercises Learn OCaml by solving problems on a variety of topics, from easy to challenging.
https://ocaml.org/papersPapers Explore papers that have influenced OCaml and other functional programming languages.
https://ocaml.org/packagesExplore packages
https://ocaml.org/IMG-ALT OCaml
https://github.com/ocamlExternal GitHub
https://discord.gg/cCYQbqNExternal Discord
https://twitter.com/ocaml_orgExternal Twitter
https://watch.ocaml.org/External Subdomain Peertube
https://ocaml.org/planet.xmlRSS
https://ocaml.org/changelogChangelog
https://ocaml.org/releasesReleases
/industrial-usersIndustrial Users
https://ocaml.org/academic-usersAcademic Users
https://ocaml.org/aboutWhy OCaml
https://ocaml.org/installInstall OCaml
/docs/get-startedText duplicate Get Started
https://ocaml.org/docs/toolsPlatform Tools
https://ocaml.org/manualLanguage Manual
https://ocaml.org/apiText duplicate Standard Library API
https://ocaml.org/booksBooks
https://ocaml.org/exercisesExercises
https://ocaml.org/papersPapers
https://ocaml.org/playOCaml Playground
https://ocaml.org/logoLogo
https://ocaml.org/packagesText duplicate Packages
https://ocaml.org/communityText duplicate Community
https://ocaml.org/eventsEvents
https://ocaml.org/ocaml-planetOCaml Planet
https://ocaml.org/jobsJobs
/policies/carbon-footprintCarbon Footprint
https://ocaml.org/governanceGovernance
/policies/privacy-policyPrivacy
/policies/code-of-conductCode of Conduct

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://ocaml.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.10 seconds.
The file size of the HTML document is fine (73 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=utf-8
content-encodinggzip
content-length19911
dateWed, 11 Dec 2024 07:23:51 GMT
varyAccept-Encoding
x-varnish43223526 40904874
age101
via1.1 varnish (Varnish/6.0)
accept-rangesbytes
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 4,840 referring domains.
This page has 612,098 backlinks.
This page has backlinks from 2,094 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# "The Meta-ExternalAgent crawler crawls the web for use cases such as training
# AI models or improving products by indexing content directly"
# See https://developers.facebook.com/docs/sharing/webmasters/web-crawlers
User-agent: meta-externalagent
Disallow: /

# https://platform.openai.com/docs/bots
User-agent: GPTBot
Disallow: /

# A SEO consultancy
# https://www.semrush.com/bot/
User-agent: SemrushBot
Disallow: /

# We don't want these robots crawling our expensive documentation pages, as they
# hit with high frequency

User-agent: Amazonbot
Disallow: /p/

User-agent: Bingbot
Disallow: /p/

# A chinese search site
# https://www-sogou-com.translate.goog/docs/help/webmasters.htm?_x_tr_sch=http&_x_tr_sl=la&_x_tr_tl=en&_x_tr_hl=en&_x_tr_pto=wapp#07
User-agent: Sogou web spider
Disallow: /p/

# A korean web search
# https://naver.me/spd
User-agent: Yeti
Disallow: /p/

# Everything else is OK

User-agent: *
Allow: /

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Search preview

ocaml.org
Welcome to a World of OCaml
OCaml is a general-purpose, industrial-strength programming language with an emphasis on expressiveness and safety.

Most important keywords

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

KeywordResultRecheck
OCaml95%Check
OCaml Compiler72%Check
OCaml packages68%Check
Learn OCaml66%Check
Search OCaml packages57%Check
OCaml 5.2.151%Check
programming50%Check
language50%Check
Industrial50%Check
Programming Language50%Check
Show more keywords and terms

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