--- title: #http description: 10 articles about http — guides and explainers from the WatchFor team. canonical: https://watchfor.io/blog/tag/http --- [All posts](/blog) # #http Articles tagged "http". [All](/blog)[Monitoring](/blog/category/monitoring)[Networking](/blog/category/networking)[Performance](/blog/category/performance)[Security](/blog/category/security)[Reliability](/blog/category/reliability)[Email](/blog/category/email)[DevOps](/blog/category/devops)[Engineering](/blog/category/engineering) [All articles](/blog/all) 10 article s [NetworkingJun 22, 2026 ## HTTP Status Codes Explained: what 404, 500 and 503 really mean Every status code is your server trying to tell you something. Here's a plain-English guide to the ones you'll actually meet — what they mean, whose fault they are, and what to do about each.WatchFor Team4 min read](/blog/http-status-codes-explained)[NetworkingMay 13, 2026 ## 502 Bad Gateway: what it means and how to fix it A 502 Bad Gateway means the server in front of your app couldn't get a valid response from the app itself. Here's what's really happening, the usual causes, and how to fix — and prevent — it.WatchFor Team4 min read](/blog/502-bad-gateway)[NetworkingApr 15, 2026 ## 503 Service Unavailable: what it means and how to fix it A 503 means your server is alive but can't handle the request right now — usually overload or maintenance. Here's what's happening, how to fix it, and how to keep it from surprising your users.WatchFor Team3 min read](/blog/503-service-unavailable)[NetworkingApr 11, 2026 ## 504 Gateway Timeout: what it means and how to fix it A 504 means a proxy waited for your app to respond — and gave up. It's the signature of something slow, not something dead. Here's how to find the slowness and fix it.WatchFor Team3 min read](/blog/504-gateway-timeout)[MonitoringApr 01, 2026 ## Rate Limiting & HTTP 429 Explained Rate limiting is how services protect themselves from too many requests — and HTTP 429 is how they say 'slow down'. Here's how it works, and how to handle it gracefully on both sides.WatchFor Team3 min read](/blog/rate-limiting-explained)[NetworkingMar 12, 2026 ## 404 Not Found: what it means and how to handle it 404 is the internet's most famous error — and unlike most, it's often nobody's emergency. Here's what it means, when it's fine, when it isn't, and how to handle it well.WatchFor Team3 min read](/blog/404-not-found)[NetworkingMar 10, 2026 ## 403 Forbidden: causes and how to fix it A 403 means the server understood you perfectly — and is refusing anyway. Here's what causes 'Forbidden', how it differs from 401, and how to track down the fix.WatchFor Team2 min read](/blog/403-forbidden)[NetworkingMar 08, 2026 ## 401 vs 403: Unauthorized vs Forbidden 401 and 403 are the two 'you can't have this' codes — and they're constantly confused. Here's the simple rule for telling them apart, with examples.WatchFor Team3 min read](/blog/401-vs-403)[NetworkingMar 06, 2026 ## 500 Internal Server Error: what it means and how to fix it 500 is the server's way of saying 'something went wrong and I don't know how to explain it.' Here's what causes it, how to find the real error, and how to stop it recurring.WatchFor Team3 min read](/blog/500-internal-server-error)[NetworkingMar 04, 2026 ## 301 vs 302 Redirects: which one should you use? Both send visitors from one URL to another — but to search engines they mean very different things. Use the wrong one and you can quietly tank your SEO. Here's the difference.WatchFor Team3 min read](/blog/301-vs-302-redirects) --- Canonical page: https://watchfor.io/blog/tag/http · Site guide: https://watchfor.io/llms.txt