Resource
Online
Basic Tags
Formatting
Form/Table
Frames
Others
Meta Info
Programming
HTML Events
<body>Events
- onload
- Script to be run when a document unload
Form Events
- onblur
- onchange
- onfocus
- onreset
- onselect
- onsubmit
Image Events
- onabort
Mouse Events
- onclick
- ondblclick
- onmousedown
- onmousemove
- onmouseout
- onmouseover
- onmouseup
Entities
Character
- " "
- & &
- < <
- > >
- @ @
- €
- •
- ™
- £ £
-  
- © ©
Status 1XX
1XX:Information
- 100 Continue
- The server has received the request headers, and the client should proceed to send the request body
- 101 Switching Protocols
- The requester has asked the server to switch protocols
- 103 Checkpoint
- Used in the resumable requests proposal to resume aborted PUT or POST requests
Status 2XX
2XX:Successful
- 200 OK
- The request is OK (this is the standard response for successful HTTP requests)
- 201 Created
- The request has been fulfilled, and a new resource is created
- 202 Accepted
- The request has been accepted for processing, but the processing has not been completed
- 203 Non-Authoritative Information
- The request has been successfully processed, but is returning information that may be from another source
- 204 No Content
- The request has been successfully processed, but is not returning any content
- 205 Reset Content
- The request has been successfully processed, but is not returning any content, and requires that the requester reset the document view
- 206 Partial Content
- The server is delivering only part of the resource due to a range header sent by the client
Status 3XX
3XX:Redirection
- 300 Multiple Choices
- A link list. The user can select a link and go to that location. Maximum five addresses
- 301 Moved Permanently
- The requested page has moved to a new URL
- 302 Found
- The requested page has moved temporarily to a new URL
- 303 See Other
- The requested page can be found under a different URL
- 304 Not Modified
- Indicates the requested page has not been modified since last requested
- 306 Switch Proxy
- No longer used
- 307 Temporary Redirect
- The requested page has moved temporarily to a new URL
- 308 Resume Incomplete
- Used in the resumable requests proposal to resume aborted PUT or POST requests
Status 4XX
4XX:Client Error
- 400 Bad Request
- The request cannot be fulfilled due to bad syntax
- 401 Unauthorized
- The request was a legal request, but the server is refusing to respond to it. For use when authentication is possible but has failed or not yet been provided
- 402 Payment Required
- Reserved for future use
- 403 Forbidden
- The request was a legal request, but the server is refusing to respond to it
- 404 Not Found
- The requested page could not be found but may be available again in the future
- 405 Method Not Allowed
- A request was made of a page using a request method not supported by that page
- 406 Not Acceptable
- The server can only generate a response that is not accepted by the client
- 407 Proxy Authentication Required
- The client must first authenticate itself with the proxy
- 408 Request Timeout
- The server timed out waiting for the request
- 409 Conflict
- The request could not be completed because of a conflict in the request
- 410 Gone
- The requested page is no longer available
- 411 Length Required
- The "Content-Length" is not defined. The server will not accept the request without it
- 412 Precondition Failed
- The precondition given in the request evaluated to false by the server
- 413 Request Entity Too Large
- The server will not accept the request, because the request entity is too large
- 414 Request-URI Too Long
- The server will not accept the request, because the URL is too long. Occurs when you convert a POST request to a GET request with a long query information
- 415 Unsupported Media Type
- The server will not accept the request, because the media type is not supported
- 416 Requested Range Not Satisfiable
- The client has asked for a portion of the file, but the server cannot supply that portion
- 417 Expectation Failed
- The server cannot meet the requirements of the Expect request-header field
Status 5XX
5XX:Server Error
- 500 Internal Server Error
- A generic error message, given when no more specific message is suitable
- 501 Not Implemented
- The server either does not recognize the request method, or it lacks the ability to fulfill the request
- 502 Bad Gateway
- The server was acting as a gateway or proxy and received an invalid response from the upstream server
- 503 Service Unavailable
- The server is currently unavailable (overloaded or down)
- 504 Gateway Timeout
- The server was acting as a gateway or proxy and did not receive a timely response from the upstream server
- 505 HTTP Version Not Supported
- The server does not support the HTTP protocol version used in the request
- 511 Network Authentication Required
- The client needs to authenticate to gain network access