Detecting Keyword Cannibalization with the Search Console API

What is Keyword Cannibalization When multiple pages on your site compete for the same search query, Google splits ranking signals between them. Neither page ranks as well as a single consolidated page would. This is keyword cannibalization. Detection Algorithm async function detectCannibalization ( siteUrl , days = 28 ) { const res = await webmasters . searchanalytics . query ({ siteUrl , requestBody : { startDate : daysAgo ( days ), endDate : today (), dimensions : [ " query " , " page " ], rowLimit : 5000 } }); // Group by query const queryMap = {}; for ( const row of res . data . rows ) { const query = row . keys [ 0 ]; const page = row . keys [ 1 ]; if ( ! queryMap [ query ]) queryMap [ query ] = []; queryMap [ query ]. push ({ page , position : row . position , impressions : row . impressions }); } // Find queries with 2+ pages return Object . entries ( queryMap ) . filter (([ _ , pages ]) => pages . length >= 2 ) . map (([ query , pages ]) => ({ query , pages : pages . sort (( a