Picto thématique

Rule n° 239 - Data tables are not replaced by images.

It may be tempting, to go faster, to scan a table in an office document and paste the image into the web page, but this is actually a very bad idea: the contents of this table will neither be indexable by search engines, nor searchable by different users.

#Accessibility #Eco-conception #SEO #Structure and code #Development #Editoral


  • Give users access to tables that are exploitable by their user agents and that can be reproduced in a way that will always be understandable.


Systematically use the table element and the associated tr, td, th, caption elements to tag data tables, and not images reproducing the table.

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Make sure that no data table is managed as an image.

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Business application and benefits

The rules should be applied to your projects from the design phase through to post-implementation , and they should be understood by all professionals with web and customer experience (CX) responsibilities: from strategy to operations, marketers to project managers, and editorial to technical staff. The benefits of using this ruleset are numerous, including improving customer satisfaction, web performance, and e-commerce, and expanding your client base, while also decreasing your errors and costs.

Multidisciplinary verticles - accessiiblity, SEO, e-commerce, ecodesign etc..- starting from the foundational Opquast base.

The objective of these rules and the Opquast community mission is ‘making the web better’ for your customers and for everyone! Opquast rules cover the key major areas of risk that can negatively affect website users such as privacy, ecodesign, accessibility and security.

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