Free SEO Tools Worth $5M

These free tools cover most SEO workloads; many paid features can be replicated until you truly need higher limits or storage.

For most tasks—especially keyword research—free tools can rival expensive suites. Upgrade only when you need more quota or historical data.

Analytics: Bing Webmaster, Google Analytics & Data Studio, Google Search Console, Enhanced Google Analytics Annotation Extension
Crawling & Indexing: Beam Us Up, Redirect Path Extension, Link Redirect Trace Extension, Screaming Frog, Xenu’s Link Sleuth
Keyword Research: AnswerThePublic, Keyword Planner, Keywords Everywhere, Keyword.io, CanIRank, Mergewords, AlsoAsked.com
Link Tools: Moz’s Link Explorer, Link Miner, Detailed
Local SEO: Google My Business, Google Review Link Generator
Mobile SEO: Mobile-First Index Checker, SERPerator, Google’s Mobile-Friendly Test
On-Page / Structured Data: Google’s Rich Results Test, Google’s Structured Data Testing Tool, Tag Manager, View Rendered Source Extension
Research: BuzzSumo, BuiltWith, Panguin, Siteliner, FATRANK, Scrapers
Page Speed: Lighthouse, PageSpeed Insights, SpeedMonitor.io

Pick tools per task—e.g., AnswerThePublic + Keyword Planner for keyword discovery.
Establish a baseline—use GA/GSC first, then speed and crawl tools to find bottlenecks.
Review monthly—keep a fixed “free tool stack” and check rankings/traffic deltas.
Add paid only when you need deeper data, larger quotas, or long-term storage.

Related Articles