Web Compatibility

A place to move bugs for sites or content that does not work in Firefox, but works in other browsers. File new bugs at https://webcompat.com/issues/new. This component was previously called Tech Evangelism.

Select a component to see open bugs in that component:

Desktop

A place for investigations and outreach related to web compatibility issues in Firefox Desktop.

Interventions

The WebCompat System add-on provides a site interventions mechanism for Firefox user (more info).

Knowledge Base

Meta-bugs used for tracking real-world compatibility impact. Please do not make changes without consulting the Web Compatibility team!

Mobile

A place for investigation and outreach related to web compatibility issues in Firefox browsers on mobile platforms.

Tooling & Investigations

For Web Compatibility tooling or investigation bugs which do not fit into other more specific components.