SEO Tools Developer Tools

Ahrefs Site Audit

4.0

Deep site audits, backlinks and keyword tracking

Semrush Site Audit

4.0

140+ technical checks for site health

Screaming Frog SEO Spider

4.0

The classic desktop website crawler

Google Search Console

4.0

Free indexing, queries and Core Web Vitals from Google

PageSpeed Insights

4.0

Google's speed and Core Web Vitals tester

SEOquake

4.0

Free Semrush bar: SERP overlay, audit, keyword density

Ubersuggest

4.0

Keyword ideas and site audits, freemium

Moz Pro

4.0

Rank tracking, site crawl and the famous DA metric

SE Ranking

4.0

Site audit and rank tracker, agency friendly

Sitechecker.pro

4.0

Instant on-page audit with a fixes checklist

Surfer SEO

4.0

Content optimizer and site auditor

AlsoAsked

4.0

People-also-ask keyword mapping