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Known limitations

We strive to provide the best possible experience for our users, but no software is perfect. This page outlines some of the known limitations of tweak, so that users can be aware of any potential issues they may encounter.

Intercepting service worker requests​

tl;dr tweak does not intercept service worker requests.

If your aim is to use tweak to intercept and mock requests made from service workers, then tweak won't work for you. Due to tweak's design and platform limitations it's impossible for our extension at this time to support service workers. If this is a critical use case for you, reach out to us via email, your feedback it's very important to use.

Replacing documents​

tl;dr tweak is not meant to replace documents such as HTML, CSS or JavaScript files.

By design our extension is a utility to work with both XHR and fetch; those are the requests you can manipulate. Our only focus is this and our tool is especially designed and optimized for this particular use case, therefore if you work with XHR or fetch, picking tweak is a no-brainer.

Disabled sites​

Frequent users that have the tweak extension enabled have reported issues across particular widely used web applications such as Google Calendar or Gmail. In order to avoid any interference with the normal operation of these applications, tweak will not load on these specific domains. Here's the complete list of disabled sites:

  • google.com (all subdomains: Gmail, Calendar, Docs, Drive, Meet, Sheets, YouTube, Cloud Console, etc.)
  • zoom.us
  • teams.microsoft.com
  • zendesk.com
  • clickup.com
  • chat.openai.com / chatgpt.com
  • x.com
  • facebook.com
  • instagram.com
  • linkedin.com
  • tumblr.com
  • stackblitz.com
  • costco.com

Tweak also does not load when you open files with the formats csv, json or xml directly in the browser.



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