Picto thématique

Rule n° 188 - The website does not block the browser’s zoom functionalities.

It is always very disappointing, when faced with tex that is too small on your tablet or smartphone, to realise that you cannot enlarge it.

#Accessibility #Mobile #Presentation #Development


  • Allow users to adapt the rendering to their needs or preferences, by means of the graphic zoom.
  • mprove your positioning in web crawlers that take this criterion into account.
  • Improve compatibility with mobile terminals.


Do not use any zoom blocking mechanism, and in particular, do not use the minimum-scale, maximum-scale, and user-scalable attributes of the meta viewport element.


Check on a touch screen device that the view can be magnified with the browser's touch zoom control.

By Opquast - Read the license

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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