License : AGPL v3 Build Status Release PRs Welcome Code of Conduct


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Asqatasun is an opensource web site analyzer, used for web accessibility (a11y) and Search Engine Optimization (SEO).


  • SEO measurement
    • run fully automated tests to track SEO issues
    • scan zillions of pages
    • create your own tests
  • web accessibility assessment #a11y (RGAA 3, AccessiWeb, WCAG)
    • scan a whole site for a11y issues (crawler included)
    • scan a given page, and manually fulfill the audit to produce report
    • scan offline file (e.g. template being created but not online yet)
    • scan a user-workflow like site registration, form completion or e-commerce checkout with Asqatasun scenarios.



  1. Automate as much as we can and even more :)
  2. Be 200% reliable (don't give erroneous result)
  3. have technological fun

Installation and documentation

Four ways to read the doc:


And also:

Universe: accessibility "a11y"

What tests are covered:

  • all the "tag and attributes tests" like missing alt, table headers check, frame title...
  • color contrast
  • language specification
  • downloadable files / office files (spreadsheet, word-processor...)
  • switch of context
  • ...

As of June 2016, this represents 173 accessibility tests.

Universe: Search Engine Optimisation "SEO"

What tests are covered:

  • at the scope of the entire site (i.e. site-wide):
    • non-uniqueness (duplicate) of <h1>
    • non-uniqueness (duplicate) of <title>
    • non-uniqueness (duplicate) of <meta description>
    • duplicate pages
    • presence of robots.txt / sitemap.xml
  • at the scope of the page:
    • non-relevancy of content of <h1>
    • non-relevancy of content of <title>
    • non-relevancy of content of <meta description>
    • non-relevancy of content of link-text <a href="">...</a>
    • non-relevancy of <h1>...<h6> structure
    • rewrite-rule presence
    • ...

Contact and discussions


We would be really glad to have you on board! You can help in many ways:

  1. Use Asqatasun on your sites !
  2. Give us feedback on the forum
  3. Fill in bug report
  4. Contribute code



Major changes of this last version (Asqatasun 4.1.0-rc.2, 2019-04-27)

(See for detailed info)

Major features:

  • New grade (Asqatasun meter) made of A, B, C, D, E, F instead of 0-100% #252, #248
  • I18N: Add german translation #172
  • JDK upgraded from Java7 to Java8 #253
  • DB character encoding is now utf8mb4 #255
  • Support for Ubuntu 18.04 #269, #281

Major bug fixes:


  • Please see Documentation > Administrator_doc > Upgrading

See full Changelog for details.

Have Fun

Happy testing !

Asqatasun Team