07 July 2026
The recipe blog that never showed a slow page again A recipe site in Portland did 220k pageviews a day, and the pain was the long tail: 40,000 older recipes that each got hit a few times an hour. Too …
06 July 2026
One header poisoned the whole cache A SaaS landing page in Austin was serving German copy to American visitors at random. Pages loaded fast, 70 ms, but conversions on the US paid traffic cratered for …
05 July 2026
The store that fought its own CDN A homewares shop out of São Paulo had a CDN, a good one, but cache-hit ratio sat stuck at 61%. Every miss flew 9,500 km back to a Frankfurt origin. Their mistake was …
04 July 2026
The directory whose origin was 80% bots A business directory with 2 million listing pages watched origin load climb relentlessly. Investigation showed the traffic wasn't users — it was a scraper crawl…
03 July 2026
The site caching desktop and mobile as the same broken page A classifieds site used edge-side device detection to serve different markup to mobile and desktop — but forgot to add the device class to t…
02 July 2026
The streaming site that went dark when its CDN had a bad day A live-events streaming startup ran on a single CDN. One afternoon that provider had a regional outage in Europe; their entire EU audience …