Supafast SEO Extension

by SupafastTech LLC · supafast.tech · Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 17 Oct 2026

On-page SEO audit with visual highlights: title, meta, headings, links, schema, social tags, and crawl checks.

Users

0 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#289K

#239K among extensions

Version

2.0.5

updated 22 Jul 2026

Users

monthly, 3 months

Latest, 17 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 17 Oct 2026: 1 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 Supafast SEO Extension

Supafast SEO Extension is a lightweight on-page SEO auditor for marketers, founders, and developers. Open the popup on any normal web page and review the essentials without leaving the tab: - Title and meta description with length badges - Canonical URL and robots meta checks - H1 audit with warnings for missing or duplicate headings - Heading outline with compact tree and full modal view - Visual highlights for H1-H6, follow/nofollow links, and missing alt text - Social tags with OG image preview - Hreflang, links audit, images audit, schema.org, content stats - Duplicate tags and pagination hints - Quick links to robots.txt and sitemap.xml - Per-site pause toggle - Change history for title, meta, canonical, and H1 on repeat visits Highlights stay on the live page while you browse. Settings sync through Chrome storage. Works on regular websites. Chrome internal pages and the Web Store are not supported because of browser restrictions. Built by Supafast Tech.