Website Errors articles

Website Errors 1,543 Website errors explained: 500, 403, 404, 508 and what to do When a site breaks, the number on screen is not decoration: it tells you which side the problem is on. Three or four...
Website Errors 1,549 Error 403 Forbidden: permissions, .htaccess and blocked IPs A 403 Forbidden - shown on some servers as «No Permission to Access» - does not mean the page is missing. It means...
Website Errors 1,468 Which ports are open, and why your integration hangs without an error «The integration will not connect and throws no error.» When a site tries to talk to an outside service and the...
Website Errors 1,154 MIME types and custom error pages Two small subjects, two tools in the same panel, and between them they settle complaints that look mysterious: the...
Website Errors 991 Error 500 Internal Server Error: finding the cause, step by step The short answer: error 500 means “something went wrong on the server and I cannot say what”. The cause is almost...
Website Errors 1,370 ERR_TOO_MANY_REDIRECTS: when the site redirects in a circle The short answer: the browser says “the page redirected you too many times” when two rules contradict each other and...
Website Errors 965 Error 404 on a page that should exist: the causes, in order The short answer: error 404 means “the server is working but cannot find what was asked for”. For a page you know...
Website Errors 813 Error 400 Bad Request: the cookie that is too big and other causes The short answer: error 400 means “the request the browser sent is malformed or too big”. In most cases, the cause...
Website Errors 1,155 Error 429 Too Many Requests: who is asking too much, and what to do The short answer: 429 means “you asked too many times in a short time: wait”. It appears from two sides: you receive...
Website Errors 972 Error 401 Authorization Required: a password box you did not expect The short answer: when a folder or a site opens a box asking for a username and password from the browser itself...
Website Errors 1,235 Running a Perl or CGI script on your hosting: permissions, line endings and the 500 that follows The short answer: Perl and CGI scripts (many old forms and counters) work on hosting, but they are demanding: the...