Optimise your pages for search engines.
Renowned for its Clicks data showing whether people actually click search results, plus one of the most accurate keyword difficulty scores available.
The premium content optimisation tool trusted by enterprise content teams, with the cleanest interface in the category and the most reliable semantic term recommendations.
The industry-leading all-in-one SEO suite with a keyword database of over 25 billion terms and the Keyword Magic Tool for deep topical research.
Google's own free tool for testing structured data markup, showing you exactly which rich result types your page qualifies for and flagging any errors in your schema.
A completely free behaviour analytics tool from Microsoft that offers session recordings, heatmaps, and AI-powered insights with no data or session limits whatsoever.
The market-leading content optimisation platform that scores your content against top-ranking pages in real time, giving you a clear target to aim for as you write.
A feature-rich WordPress SEO plugin that bundles schema generation, keyword tracking, redirection management, and detailed on-page analysis into a free package that rivals paid tools.
A behaviour analytics platform combining heatmaps, session recordings, and user surveys to show you how visitors actually interact with your pages, not just what the numbers say.
Strong for long-tail discovery and keyword clustering, with a clean interface that works well for agencies managing multiple client campaigns.
The original and most widely installed WordPress SEO plugin, covering meta tags, sitemaps, breadcrumbs, and real-time content analysis with a distinctive traffic light system.
A content research and optimisation tool that combines SERP analysis, AI writing assistance, and on-page scoring in a clean interface at one of the lowest price points in the category.
A free toolbar from Ahrefs that overlays domain rating, URL rating, and organic traffic estimates onto every search result, with deeper data available for paid subscribers.