Each keyword gets its own timeline of key changes to the ranking page, highlighting the impact they could have in ranks:
Ranking page switch/shift
How does this work?
Every time we refresh the ranks (daily) on both devices, if the website ranks in the top 100 we update:
The best-ranking page;
In the Keyword sidebar, on the "Performance" tab, a timeline with all the changes in the selected timeframe is plotted, highlighting the rank changes they might have generated:
Correlating significant drops or increases in keyword rankings, generated by key ranking page changes. Multiple changes over the past 30 days signal potential cannibalization issues and are automatically flagged as such.
Understanding when Google changes the title and description of your ranking landing page in the SERP and how that could impact rankings.
This feature is included in the following video:
Can I see title and/or description changes in the timeline?
Changes in the keyword's presence in the title are tracked and displayed in the Keyword Details sidebar. But, the timeline does not cover the description yet.
Does it include important content changes like the H1?
Yes, you can see the changes that affected the rank such as changes in keyword presence in the page content, title, H1, and H2-H6. Learn more about what the Content Tracker covers.
Can I export these? (or get them through API)
No, not right now.