Killing a faceted-nav crawl trap: 71% of fetches were waste Mid-size retailer, 41,000 real SKUs. Log sample: 2.4M Googlebot hits over 30 days. Param URL fetches ▓▓▓▓▓▓▓░░░ 71.3% Clean product fetches …
The index-inclusion content threshold, measured There's no magic word count, but indexation probability tracks unique main-content tokens. Logistic fit across 58 catalog sites, controlling for inlinks…
A 5xx spike costs you crawl rate for weeks, not hours Googlebot reads sustained 5xx as "back off." In 17 incident post-mortems, a 6-hour 5xx episode (median 8% of responses) cut daily crawl volume tha…
URL parameter math: how 5 filters become 100k URLs Faceted navigation multiplies, it doesn't add. Five filters with 4, 6, 3, 8 and 5 values each, in any combination and order, generate up to 4×6×3×8×5…
Trust logs over GSC for crawl reality GSC's Crawl Stats samples and aggregates; raw server logs don't. Across 41 paired datasets, GSC under-reported total Googlebot hits by a median 11.0% and misattri…
When Google ignores your canonical Google treats rel=canonical as a hint, not a directive. Across 96 large sites, share of declared canonicals that Google overrode: — median override rate: 8.7% ▓▓▓▓░░…
