extension ExtPose

NCC Image Checker

CRX id


Description from extension meta

Provides image optimisation information within the browser.

Image from store NCC Image Checker
Description from store Sending images that are too big can damage site speed. This tool scans a whole page to identify all images and highlights those that are sent at the wrong size.

Latest reviews

  • (2021-07-13) Viktor K: Seems usefull tool for our QA who test retina support. Update: Great app! Correctly supports testing Retina emulation.
  • (2017-05-12) Steve Burton: Easy to use extension to quickly identify where your content team haven't followed your web performance budgets.
  • (2017-05-10) Bryan Courtney-Bennett: Class little tool this, really quick way to see if your serving the right size images to your customers and impacting your site's performance..
  • (2017-05-10) Simon Hearne: I find myself using this much more than I expected. A great way to quickly see what might be making a webpage slow to load!
  • (2017-04-27) Drew Post: A really useful tool to quickly see if my images are unoptimised and causing me pain. (or to see how bad others are at optimising images!!)


682 history
5.0 (7 votes)
Last update / version
2017-07-24 / 1.5.0
Listing languages