07 July 2026
When sampling logs is fine — and when it lies High-traffic sites can't grep 40GB a day. These references cover sampling without fooling yourself. → The classic reservoir sampling write-up (Knuth, Vol.…
06 July 2026
awk one-liners for status-code mining Four hand-picked snippets that turn a raw access log into a status report in seconds. Credit to the authors who shared them. → Julia Evans' 'awk for log files' ex…
05 July 2026
Verifying Googlebot the right way: 5 references Faking a Googlebot user-agent is trivial. These cover the reverse-then-forward DNS check that actually proves it. → Google Search Central docs — the can…
04 July 2026
Starting log analysis from zero: the orientation reading list For anyone inheriting a server and a folder of access logs. Five entry points, ranked. → Builtvisible's "log file analysis for SEO" guide …
03 July 2026
Catching crawl anomalies: spike detection on bot traffic A sudden 5x in Googlebot hits is either great news or a crawl trap. Sources to tell which. → Google's crawl-spike guidance — official note that…
02 July 2026
AI crawlers in your logs: who's fetching and how to tell GPTBot, ClaudeBot, PerplexityBot now show up in access logs. A field guide. → Dark Visitors agent list — continuously updated catalog of AI/LLM…