Crawling & Sitemaps

Crawlers waste bandwidth on duplicates unless they filter at both URL and content levels.

Modern crawlers skip full sweeps to catch changes faster without wasting requests.

Duplicate detection cuts wasted crawls by filtering at the right stage.

Learn which pagination method a site uses before building your scraper.

Crawlers that ignore robots.txt are multiplying fast and harder to stop.

Accurate lastmod dates and automated discovery are the only defenses against sitemaps that rot.

AI crawlers are harvesting content at rates that obliterate the old web handshake.

Sitemaps find declared URLs, but miss orphaned pages and dynamic content entirely.

Deciding which crawlers deserve your server resources becomes harder when the crawlers multiply.

Precision search operators turn Google's index into a targeted research tool beyond security work.

How to build crawlers that respect server limits while processing billions of URLs.

Reverse proxies block crawlers through layered detection beyond IP reputation alone.

Server response time and database efficiency are crawl budget's actual bottlenecks for large sites.