Perform - Core Web Vitals Analyzer icon

Perform - Core Web Vitals Analyzer

by August SEO, LLC · augustseo.com · Developer Tools
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Core Web Vitals (LCP, INP, CLS) for every page, at a glance — plus the exact element causing them. Instant, local, no setup.

Users
6
−2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#237K
#199K among extensions
Version
1.3.0
updated 6 Aug 2026

Users

monthly, 9 months
036Jan 2026Jun 2026Oct 2026
Latest, 16 Oct 2026: 6 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months
001Jan 2026Jun 2026Oct 2026
Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Perform - Core Web Vitals Analyzer

View important metrics at a glance: analyze resource load times, identify slow scripts, and audit the impact of third-party resources. Features are designed primarily for SEO professionals, marketers, and developers. - Real-time LCP badge on every tab (measurable ones). - Core Web Vitals dashboard - Resource Breakdown by Type (JS, CSS, images, fonts) - Slowest Resource Identification

Growth

WindowUsersChangeRatingsRating
7 days−1−14.3%00.00
30 days−2−25.0%00.00
6 months+4+200.0%00.00

Version history

4 versions recorded
1.3.04 Aug 2026
1.2.02 Aug 2026
1.1.020 Jan 2026
1.0.06 Jan 2026

Details

Category
Developer Tools
First seen
6 Jan 2026
Size
47 KB
Languages
en
Pricing
Free
Privacy policy
augustseo.com
Support
augustseo.com
Extension ID
nndeaindadagnomhhedmihgplioigfeh

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
storagetabs
Site access
<all_urls>
Can read and change data on every website you visit.

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