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SERP Speed is revolutionary in pagespeed testing, not only does it fully test your page using the lighthouse engine provided by Google but also but also gathers the top 10 serp results and checks their pagespeed too. All for FREE
SERP Speed
Compare your page speed at keyword level with the rest
The Google Knowledge Graph API reveals entity information related to a keyword, that Google knows about. The API requires a high level of technical understanding, so this tool creates a simple public interface with the ability to export data into spreadsheets.
Knowledge Graph Search
Search the entire Google "Knowledge Graph" database