HTTP Status Code 304 Not Modified Explained
You ran a page through a header checker, or scrolled through Search Console's Crawl Stats report, and there it is: HTTP status code 304. It's sitting in a list next to 301s and 302s, and your...
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HTTP headers, status codes and redirects, explained.
308 Redirect Explained: How It Differs From 307, 301, 302
A 308 redirect isn't a fancier version of a 301. It solves a problem the 301 was never built to solve: keeping a POST, PUT, or DELETE request intact after your server tells the client to go...
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What Is TTFB? Time to First Byte Meaning and Fixes
TTFB stands for Time to First Byte, and if you are reading this, a speed report probably just flagged yours in red. That is usually the moment people start searching for a plain answer to what is...
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Redirect Loop Fix: The Four Causes and How to Solve Each
You typed in a web address you've visited a hundred times, and instead of your homepage you got a wall of text: "This page isn't working. example.com redirected you too many times." Or maybe...
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Cache-Control Header Guide: no-cache vs no-store
You ran a page through a header checker, or you opened DevTools and looked at the Network tab, and there it was: a Cache-Control header you didn't write, sitting on a response you own. Maybe it...
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What Is an ETag Header and How Does It Work?
An ETag header is the small, quoted string a server attaches to a response so that later on, the browser can ask "has this changed since I last saw it?" instead of downloading the whole file...
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