Is It Cached?

Is It Cached? 0.9.0 CRX for Chrome

A Free Developer Tools Extension

Published By

Is It Cached? (naikbjeckbmjhngcejdmcjhoedhckglk): Is It Cached? gives you an overview about the browser cache, all cache-relevant response headers and also detects multiple CDNs. ... Read More > or Download Now >

Is It Cached? for Chrome

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416.43 KB


Tech Specs

  • • Type: Browser Extension
  • • Latest Version: 0.9.0
  • • Require: Chrome 18 and up
  • • Offline: No
  • • Developer:

User Reviews

  • ★★★☆☆
  • • Rating Average
  • 3.56 out of 5
  • • Rating Users
  • 18

Download Count

  • • Total Downloads
  • 10
  • • Current Version Downloads
  • 10
  • • Updated: June 4, 2015

Is It Cached? is a free Developer Tools Extension for Chrome. You could download the latest version crx file and install it.

More About Is It Cached?

You spend lots of time to optimize your infrastructure to make sure you servers respond with correct cache headers?

You use a CDN to speed-up your content delivery but you don't know if it is really working?

This extension for the developer tools gives you an overview about all relevant request headers (method, if-modified-since, if-none-match) and response headers (cache-control, pragma, last-modified, etag) in one single table.

It also detects if elements are fetched through a CDN and shows you the cache status of the CDN (currently only Cloudflare is supported).

You find more information, explanation about the used colors and a changelog here:

new in version 0.8.1:
- support for edgecast (, thanks to Andrew White for the tip!

new in version 0.8:
- Switched to jQuery for better table customization.
- Table columns are now sortable.
- New column indicating the compression status.
- Tooltip with more detailed information for compression status, CDN header, and content type.
- Matched if-modified-since/last-modified and if-none-match/etag are now beeing highlighted.

new in version 0.6:
- first public release

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