--- title: "HTTP Status Codes Reference — Complete Guide to 1xx, 2xx, 3xx, 4xx, 5xx — Lemwatch" description: "Complete reference for all HTTP status codes. Learn what 200, 301, 404, 500 and every other code means, common causes, fixes, and SEO impact." canonical: "https://lemwatch.com/http-status-codes" source: "https://lemwatch.com" --- # HTTP status codes reference > All 38 HTTP status codes, each with the causes we actually see in production, the fix, and the SEO consequence of leaving it in place. ## All status codes - 100 Continue - 101 Switching Protocols - 102 Processing - 103 Early Hints - 200 OK - 201 Created - 204 No Content - 206 Partial Content - 301 Moved Permanently - 302 Found (Temporary Redirect) - 303 See Other - 304 Not Modified - 307 Temporary Redirect - 308 Permanent Redirect - 400 Bad Request - 401 Unauthorized - 403 Forbidden - 404 Not Found - 405 Method Not Allowed - 408 Request Timeout - 410 Gone - 413 Payload Too Large - 414 URI Too Long - 418 I'm a Teapot - 422 Unprocessable Entity - 429 Too Many Requests - 451 Unavailable For Legal Reasons - 500 Internal Server Error - 502 Bad Gateway - 503 Service Unavailable - 504 Gateway Timeout - 507 Insufficient Storage - 508 Loop Detected - 511 Network Authentication Required - 521 Web Server Is Down - 522 Connection Timed Out - 523 Origin Is Unreachable - 524 A Timeout Occurred ## All 60 pages in this section - [HTTP 100 Continue](https://lemwatch.com/http-status-codes/100) - [HTTP 101 Switching Protocols](https://lemwatch.com/http-status-codes/101) - [HTTP 102 Processing](https://lemwatch.com/http-status-codes/102) - [HTTP 103 Early Hints](https://lemwatch.com/http-status-codes/103) - [HTTP 200 OK](https://lemwatch.com/http-status-codes/200) - [HTTP 201 Created](https://lemwatch.com/http-status-codes/201) - [HTTP 204 No Content](https://lemwatch.com/http-status-codes/204) - [HTTP 206 Partial Content](https://lemwatch.com/http-status-codes/206) - [HTTP 301 Moved Permanently](https://lemwatch.com/http-status-codes/301) - [HTTP 302 Found (Temporary Redirect)](https://lemwatch.com/http-status-codes/302) - [HTTP 303 See Other](https://lemwatch.com/http-status-codes/303) - [HTTP 304 Not Modified](https://lemwatch.com/http-status-codes/304) - [HTTP 307 Temporary Redirect](https://lemwatch.com/http-status-codes/307) - [HTTP 308 Permanent Redirect](https://lemwatch.com/http-status-codes/308) - [HTTP 400 Bad Request](https://lemwatch.com/http-status-codes/400) - [HTTP 400 in GoHighLevel](https://lemwatch.com/http-status-codes/400/in-gohighlevel) - [HTTP 401 Unauthorized](https://lemwatch.com/http-status-codes/401) - [HTTP 401 in GoHighLevel](https://lemwatch.com/http-status-codes/401/in-gohighlevel) - [HTTP 403 Forbidden](https://lemwatch.com/http-status-codes/403) - [HTTP 403 in AWS S3](https://lemwatch.com/http-status-codes/403/in-aws-s3) - [HTTP 403 in GitHub Pages](https://lemwatch.com/http-status-codes/403/in-github-pages) - [HTTP 403 in WordPress](https://lemwatch.com/http-status-codes/403/in-wordpress) - [HTTP 404 Not Found](https://lemwatch.com/http-status-codes/404) - [HTTP 404 in AWS S3](https://lemwatch.com/http-status-codes/404/in-aws-s3) - [HTTP 404 in GitHub Pages](https://lemwatch.com/http-status-codes/404/in-github-pages) - [HTTP 404 in Netlify](https://lemwatch.com/http-status-codes/404/in-netlify) - [HTTP 404 in Vercel](https://lemwatch.com/http-status-codes/404/in-vercel) - [HTTP 405 Method Not Allowed](https://lemwatch.com/http-status-codes/405) - [HTTP 408 Request Timeout](https://lemwatch.com/http-status-codes/408) - [HTTP 410 Gone](https://lemwatch.com/http-status-codes/410) - [HTTP 413 Payload Too Large](https://lemwatch.com/http-status-codes/413) - [HTTP 414 URI Too Long](https://lemwatch.com/http-status-codes/414) - [HTTP 418 I'm a Teapot](https://lemwatch.com/http-status-codes/418) - [HTTP 422 Unprocessable Entity](https://lemwatch.com/http-status-codes/422) - [HTTP 429 Too Many Requests](https://lemwatch.com/http-status-codes/429) - [HTTP 429 in GoHighLevel](https://lemwatch.com/http-status-codes/429/in-gohighlevel) - [HTTP 429 in Shopify](https://lemwatch.com/http-status-codes/429/in-shopify) - [HTTP 451 Unavailable For Legal Reasons](https://lemwatch.com/http-status-codes/451) - [HTTP 500 Internal Server Error](https://lemwatch.com/http-status-codes/500) - [HTTP 500 in Netlify](https://lemwatch.com/http-status-codes/500/in-netlify) - [HTTP 500 in Vercel](https://lemwatch.com/http-status-codes/500/in-vercel) - [HTTP 500 in WordPress](https://lemwatch.com/http-status-codes/500/in-wordpress) - [HTTP 502 Bad Gateway](https://lemwatch.com/http-status-codes/502) - [HTTP 502 in Netlify](https://lemwatch.com/http-status-codes/502/in-netlify) - [HTTP 502 in WordPress](https://lemwatch.com/http-status-codes/502/in-wordpress) - [HTTP 503 Service Unavailable](https://lemwatch.com/http-status-codes/503) - [HTTP 503 in AWS S3](https://lemwatch.com/http-status-codes/503/in-aws-s3) - [HTTP 504 Gateway Timeout](https://lemwatch.com/http-status-codes/504) - [HTTP 504 in Vercel](https://lemwatch.com/http-status-codes/504/in-vercel) - [HTTP 507 Insufficient Storage](https://lemwatch.com/http-status-codes/507) - [HTTP 508 Loop Detected](https://lemwatch.com/http-status-codes/508) - [HTTP 511 Network Authentication Required](https://lemwatch.com/http-status-codes/511) - [HTTP 521 Web Server Is Down](https://lemwatch.com/http-status-codes/521) - [HTTP 521 in Cloudflare](https://lemwatch.com/http-status-codes/521/in-cloudflare) - [HTTP 522 Connection Timed Out](https://lemwatch.com/http-status-codes/522) - [HTTP 522 in Cloudflare](https://lemwatch.com/http-status-codes/522/in-cloudflare) - [HTTP 523 Origin Is Unreachable](https://lemwatch.com/http-status-codes/523) - [HTTP 523 in Cloudflare](https://lemwatch.com/http-status-codes/523/in-cloudflare) - [HTTP 524 A Timeout Occurred](https://lemwatch.com/http-status-codes/524) - [HTTP 524 in Cloudflare](https://lemwatch.com/http-status-codes/524/in-cloudflare) ## Related - [Free tools](https://lemwatch.com/tools) - [Lemwatch pricing](https://lemwatch.com/pricing) - [All monitoring checks](https://lemwatch.com/features)