Yes, we cache ranking results for 20 hours.

We use this caching function to speed up the delivery of data into reports and make report interfaces respond faster in certain circumstances.

It also means that if you run a Local Search Rank Checker report and then re-run it again within a 20-hour period you will see exactly the same ranking results because the results are cached and not fetched fresh in that time frame.

If you re-run a report after 20 hours (e.g. every day) then the data is grabbed fresh.

If you change an aspect of the report then we may get fresh data:

• Add keywords: we will get ranking results for these new keywords
  
• Add/change Search Location: this triggers a fresh lookup for all keywords
  
• Add/change website URL: this triggers a fresh lookup for all keywords
  
• Add/change business name or address: this triggers a fresh lookup for all keywords
• Add/change GMB profile: this triggers a fresh lookup for all keywords