Ahrefs SEO Toolbar
Ahrefs
On-page SEO report, SERP checks and redirect tracing, plus Ahrefs metrics for paying users.
Best for: On-page and SERP checksVisit Ahrefs SEO Toolbar (opens in new tab)
SEO tools directory
10 SEO browser extensions
Checked on 6 October 2026 · 9 free or freemium · 1 paid
Short answer
What are seo browser extensions?
SEO browser extensions show a page’s tags, headings, links, schema and metrics in one click while you browse, which makes quick checks of your own or competitors’ pages fast.
Compare at a glance
| Tool | Maker | Pricing | Best for |
|---|---|---|---|
| Ahrefs SEO Toolbar | Ahrefs | Freemium | On-page and SERP checks |
| Detailed SEO Extension | Detailed | Free | Quick page audits |
| Keywords Everywhere | Keywords Everywhere | Freemium | Keyword data while browsing |
| Link Redirect Trace | LinkResearchTools | Free | Redirect and link analysis |
| MozBar | Moz | Freemium | Link metrics on the fly |
| Redirect Path | Ayima | Free | Redirect debugging |
| SEO Minion | Keywords Everywhere | Paid | Quick on-page checks |
| SEO Pro Extension | MarketingSyrup | Free | Quick on-page checks |
| SEOquake | Semrush | Free | SERP metric overlays |
| Wappalyzer | Wappalyzer | Freemium | Tech stack detection |
All 10 tools in detail
Freemium
Detailed SEO Extension
Detailed
Shows a page's metadata, headings, links, schema and indexability in one click.
Best for: Quick page auditsVisit Detailed SEO Extension (opens in new tab)
Keywords Everywhere
Keywords Everywhere
Shows search volume, CPC and related keywords alongside Google, YouTube and other sites.
Best for: Keyword data while browsingVisit Keywords Everywhere (opens in new tab)
Link Redirect Trace
LinkResearchTools
Traces every hop of a redirect with status codes, headers and canonical details.
Best for: Redirect and link analysisVisit Link Redirect Trace (opens in new tab)
MozBar
Moz
Displays Domain Authority, link metrics and on-page elements for any page or search result.
Best for: Link metrics on the flyVisit MozBar (opens in new tab)
Redirect Path
Ayima
Flags redirect chains and HTTP status codes for every page you visit.
Best for: Redirect debuggingVisit Redirect Path (opens in new tab)
SEO Minion
Keywords Everywhere
Browser extension for on-page analysis, broken links, hreflang checks and SERP previews; now bundled with Keywords Everywhere plans.
Best for: Quick on-page checksVisit SEO Minion (opens in new tab)
SEO Pro Extension
MarketingSyrup
Displays meta tags, headings, schema, hreflang and links of the current page instantly.
Best for: Quick on-page checksVisit SEO Pro Extension (opens in new tab)
SEOquake
Semrush
Adds SEO metrics to search results and audits pages; rebuilt from scratch by Semrush in 2026.
Best for: SERP metric overlaysVisit SEOquake (opens in new tab)
Wappalyzer
Wappalyzer
Identifies the CMS, frameworks, analytics and other technologies a website uses.
Best for: Tech stack detectionVisit Wappalyzer (opens in new tab)