
Ahrefs
An SEO toolkit with its own web crawler
AppFreemium
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Google's analytics for websites and apps

Google Analytics in its GA4 version measures visits and events on websites and in apps in one shared, event-based data model. Reports, free-form explorations and audiences connect directly to Google Ads, Search Console and BigQuery. The free version is enough for most projects, while large companies use the paid Analytics 360 with higher limits.
Why it made the cut