Essays
Field notes
Comparisons, outages, and the places where performance, security, and crawl stop being separate jobs.
Observe
Googlebot lives at the edge
Crawl budget, Core Web Vitals, and cache hits are the same system. Search engines fetch you from PoPs — and most SEO tools never see the log line.
Operate
One CDN is a single point of failure
Multi-CDN is not a fashion. It is what you do after you notice that your delivery, DNS, and WAF might share a bad morning. Here is when it is worth the pain.
Compare
There is no best CDN
A practical comparison of Cloudflare, Fastly, Akamai, CloudFront, and the European challengers — without a winner, and with the failure modes that actually matter.