#web
Articles tagged "web".
10 articles
CORS Errors Explained (and how to fix them)
Every web developer meets the dreaded 'blocked by CORS policy' error. It's not a bug — it's a security feature. Here's what CORS is, why the browser blocks your request, and how to fix it properly.
ERR_TOO_MANY_REDIRECTS: causes and how to fix it
When a page keeps redirecting to itself, the browser gives up with 'too many redirects'. Here's why redirect loops happen and the usual culprits behind them.
Mixed Content Warnings: what they are and how to fix them
Your site is on HTTPS, but the padlock has a warning — or images won't load. That's mixed content: a secure page pulling in insecure resources. Here's how to find and fix it.
Caching Explained: browser, CDN and server caches
Caching is the closest thing the web has to free speed: store a result once, reuse it many times. Here are the three layers of caching, how each works, and the one hard part — invalidation.
HTTP/2 vs HTTP/3: what actually changed
HTTP keeps getting faster. HTTP/2 fixed how requests share a connection; HTTP/3 changed the connection itself. Here's what's different, in plain terms, and whether you should care.
Gzip vs Brotli: web compression compared
Text compression shrinks your HTML, CSS and JS before they travel — for free speed. Here's how gzip and Brotli compare, and which to use where.
Web Font Performance: fast text without the flash
Custom fonts make a site look great — and can quietly slow it down or make text vanish during load. Here's how to keep your typography both beautiful and fast.
What is a Reverse Proxy?
A reverse proxy is the front door to your servers — handling traffic before it ever reaches your app. Here's what it does, why nearly every serious site uses one, and how it differs from a forward proxy.
HSTS Explained: forcing browsers to always use HTTPS
You redirect HTTP to HTTPS — but that first insecure request is still a risk. HSTS closes that gap by telling browsers to never even try HTTP. Here's how it works and how to deploy it safely.
What is a WAF (Web Application Firewall)?
A regular firewall guards the network; a WAF guards your application — inspecting web requests and blocking attacks like injection and bots. Here's how it works and what it does (and doesn't) cover.