Dev Headers

Checks website security headers exist, formats the Content-Security-Policy (CSP) and Feature-Policy (FP) headers into an easy to read table, makes suggestions and sets a header for websites with a key that could be used to enable a debug mode.

Dev Headers - Firefox Add-On

Dev Headers is a Firefox add-on that checks the existence of website security headers, formats Content-Security-Policy (CSP) and Feature-Policy (FP) headers into an easy-to-read table, makes suggestions, and sets a header for websites with a key that could be used to enable a debug mode.

Add-on stats

Manifest V2
Daily users: 1
-1
Version: 1.0.2 (Last updated: 2020-05-07)
Version code: 5020381
Creation date: 2020-01-28
Firefox on Android: No
Permissions:
  • tabs
  • storage
  • webRequest
  • webRequestBlocking
  • <all_urls>
Size: 81.53K
URLs: Website

Other platforms

Not available on Chrome
Not available on Android
Not available on Edge

Add-on safety

Risk impact

Dev Headers requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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  • Low ******* ****** ** *** ********* ********
Risk likelihood

Dev Headers has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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