At the scale we're operating at (12M+ pages), Botify is crucial to making sure we're maintaining SEO best practices, by simulating how a search engine crawler would view our site.

The ability to drill into any/all data and combine datasets. Botify is the most flexible tool I've ever used when it comes to digging deep into your website's data. They collect damn-near everything you'd ever need and a seasoned SEO can find answers to almost anything. The cherry on top is the built-in reports/dashboards--it gives me the ability to get C-level buy-in and then measure highly technical SEO projects that are traditionally extremely difficult to get resources allocated for, and even harder to show what progress was made once the Development pieces are complete.

I like the web log analyzer and just the amount of data it has