Best SEO Chrome Extensions in 2026

Chrome extensions give you SEO data right in the browser — on SERPs, on competitor pages, and in your own CMS. The best ones are free or included with a paid subscription. Here are the extensions I actually keep installed and use daily, not just the ones everyone recommends without testing.

Seobili.Moz ProAhrefsSemrush Keywords Backlinks Rank Track Site Audit Content Competitor Local SEO Reporting
Feature availability across tools (green = included)
Seobility Free Moz Pro $49 Ahrefs $129 Semrush $139.95
Starting monthly price (lowest plan)

Our Top Pick: Ahrefs

The Ahrefs SEO Toolbar is the best free Chrome extension for SEO. It shows DR, backlink count, organic traffic estimates, and broken link data on any page — free for all users.

Seobility

Technical SEO audit tool with a generous free tier

4.1/5

From $0/mo Free plan

Site owners who need technical SEO auditing on a budget, or as a complement to keyword-focused tools

View Deal Try It

Moz Pro

The original SEO tool with the industry-standard Domain Authority metric

4.1/5

From $49/mo Free trial

SEOs who value the DA metric and want a familiar, established platform with great educational resources

View Deal Try It

Ahrefs

The backlink king with the largest link index on the planet

4.7/5

From $129/mo

SEO professionals who live in backlink analysis and want the cleanest, deepest link data available

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Semrush

The industry-standard all-in-one SEO platform

4.7/5

From $139.95/mo Free trial

Agencies and serious marketers who need everything in one platform and can justify the investment

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Head-to-Head Comparisons