Extension Tracker

Website Responsiveness Checker

5,000 users Rated 3.75 from 4 ratings Last updated 9 Feb 2023

By websiteresponsive1234 Live in the Chrome Web Store ejjphpnidnfhkheelhemnlmgghpfcdoi Search Google ↗ Last checked 6 Nov 2026, 15:12 UTC

The listing

What the Chrome Web Store shows, as of the last check

Optimize your website for all devices with website responsiveness checkerSummary from the listing
Developer
websiteresponsive1234
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Developer Tools
First published
7 Feb 2023
Last updated
9 Feb 2023
Version
1.0.1
Size
149 KiB
Minimum Chrome
88
Languages
1 language

English

See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
4.9K5K5.1KTracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov2026-09-27: 5,000 users2026-10-01: 5,000 users2026-10-09: 5,000 users2026-10-16: 5,000 users2026-10-23: 5,000 users2026-10-31: 5,000 users2026-11-06: 5,000 users5,0004.9K5K5.1KTracking began27 Sep11 Oct25 Oct2026-09-27: 5,000 users2026-10-01: 5,000 users2026-10-09: 5,000 users2026-10-16: 5,000 users2026-10-23: 5,000 users2026-10-31: 5,000 users2026-11-06: 5,000 users5K
Average rating
3.703.8027 Sep11 Oct25 Oct3.753.703.8027 Sep11 Oct25 Oct3.75
Number of ratings
427 Sep11 Oct25 Oct4427 Sep11 Oct25 Oct4
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-065,0003.754
2026-10-315,0003.754
2026-10-235,0003.754
2026-10-165,0003.754
2026-10-095,0003.754
2026-10-015,0003.754
2026-09-275,0003.754
Users, 7 days
No change
since a week ago
Users, 30 days
No change
+0.0%
Rank
#10,132
by users, of 292,125 extensions
In its category
#904
of 30,444 in Developer Tools

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 27 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites where it runs scripts
  • <all_urls>Every website
Browser features
  • windowsManage browser windows

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
YouTube AdBlocker For Chrome63 –– Workflow & Planning
All 2 extensions by websiteresponsive1234 →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 6 Nov 2026, 15:12 UTC; next check around 14 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Website Responsiveness Checker” (ejjphpnidnfhkheelhemnlmgghpfcdoi). Chrome Web Store data, last checked 2026-11-06. https://extensiontracker.com/extension/ejjphpnidnfhkheelhemnlmgghpfcdoi. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_ejjphpnidnfhkheelhemnlmgghpfcdoi,
  title   = {Website Responsiveness Checker (ejjphpnidnfhkheelhemnlmgghpfcdoi)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-06},
  url     = {https://extensiontracker.com/extension/ejjphpnidnfhkheelhemnlmgghpfcdoi},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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