For each collection, you can get a graph of API hits broken down by refered searches (from search engines), other referers, direct accesses/bookmarks, self refered (site navigation), special referers, and referer spam.

Colored bars

1. Refering searches: Hits coming from search engines such as Google, Yahoo, Microsoft Live, Ask or more as defined in Referring Domains Tab.
2. Referers: Hits coming from other sites linking to your site/collection.
3. Direct accesses: Hits from people who typed in your URL or have it bookmarked.
4. Self referred: Hits from people who are following an internal link on your site/collection.
5. Special referrers: Hits from webmails, caches, redirectors, etc.
6. Referer spam: Hits coming from sites identified as spam in your blacklist.

Data set

1. Live Data: Data from the hitlog table that gets updated in Real Time.
2. Aggregate Data: Data from the hitlog aggregate table that gets updated once per day, when the scheduled Task Prune old hits & sessions (includes OPTIMIZE).

Comparison

The second graph offers a visual comparison of the latest hits (top graph) with a previous period (bottom graph)