List of HTTP status codes (English Wikipedia)

Fielding, Roy T.; Reschke, Julian (June 2014). "Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content". Tools.ietf.org. Retrieved January 5, 2019.
Bray, T. (February 2016). "An HTTP Status Code to Report Legal Obstacles". ietf.org. Archived from the original on March 4, 2016. Retrieved March 7, 2015.

datatracker.ietf.org

"draft-ietf-webdav-protocol-05: Extensions for Distributed Authoring on the World Wide Web -- WEBDAV".

livefilestore.com (Global: low place; English: low place)

public.bn1.livefilestore.com

"Screenshot of error page". Archived from the original (bmp) on May 11, 2013. Retrieved October 11, 2009.

microsoft.com (Global: 263^rd place; English: 259^th place)

msdn.microsoft.com

"2.2.6 449 Retry With Status Code". Microsoft. 2009. Archived from the original on October 5, 2009. Retrieved October 26, 2009.
"MS-ASCMD, Section 3.1.5.2.2". Msdn.microsoft.com. Archived from the original on March 26, 2015. Retrieved January 8, 2015.
"Ms-oxdisco". Msdn.microsoft.com. Archived from the original on July 31, 2014. Retrieved January 8, 2015.

support.microsoft.com

"The HTTP status codes in IIS 7.0". Microsoft. July 14, 2009. Archived from the original on April 9, 2009. Retrieved April 1, 2009.
"Error message when you try to log on to Exchange 2007 by using Outlook Web Access: "440 Login Time-out"". Microsoft. 2010. Retrieved November 13, 2013.

learn.microsoft.com

Seen in 2017, 2024^{[link removed]} and 2025 examples

mozilla.org (Global: 2,188^th place; English: 2,076^th place)

developer.mozilla.org

"102 Processing – HTTP MDN". July 25, 2023. 102 status code is deprecated
"409 Conflict". MDN Web Docs. March 13, 2025. Retrieved June 11, 2025.

bugzilla.mozilla.org

"Mozilla Bugzilla Bug 187996: Strange behavior on 305 redirect, comment 13". March 3, 2003. Archived from the original on April 21, 2014. Retrieved May 21, 2009.

msdn.com (Global: 4,626^th place; English: 3,858^th place)

blogs.msdn.com

Lawrence, Eric. "HTTP Methods and Redirect Status Codes". EricLaw's IEInternals blog. Retrieved August 20, 2011.

nginx.org (Global: low place; English: low place)

lxr.nginx.org

"ngx_http_request.h". nginx 1.9.5 source code. nginx inc. Archived from the original on September 19, 2017. Retrieved January 9, 2016.
"ngx_http_special_response.c". nginx 1.9.5 source code. nginx inc. Archived from the original on May 8, 2018. Retrieved January 9, 2016.

nginx.org

"return" directive Archived March 1, 2018, at the Wayback Machine (http_rewrite module) documentation.

pantheon.io (Global: low place; English: low place)

"Platform Considerations | Pantheon Docs". pantheon.io. Archived from the original on January 6, 2017. Retrieved January 5, 2017.

pcmag.com (Global: 1,442^nd place; English: 915^th place)

"I Went to a Russian Website and All I Got Was This Lousy Teapot". PCMag. February 25, 2022. Retrieved December 18, 2022.

pcworld.com (Global: 1,889^th place; English: 1,323^rd place)

Paul, Ian (December 21, 2015). "Error 451 is the new Ray Bradbury-inspired HTTP code for online censorship". PC World. Retrieved July 18, 2025.

rfc-editor.org (Global: 747^th place; English: 325^th place)

R. Fielding; M. Nottingham; J. Reschke, eds. (June 2022). HTTP Semantics. Internet Engineering Task Force. doi:10.17487/RFC9110. ISSN 2070-1721. STD 97. RFC 9110. Internet Standard 97. Obsoletes RFC 2818, 7230, 7231, 7232, 7233, 7235, 7538, 7615 and 7694. Updates RFC 3864.
Goland, Yaronn; Whitehead, Jim; Faizi, Asad; Carter, Steve R.; Jensen, Del (February 1999). HTTP Extensions for Distributed Authoring – WEBDAV. Network Working Group. doi:10.17487/RFC2518. RFC 2518. Proposed Standard. Obsoleted by RFC 4918.
Oku, Kazuho (December 2017). An HTTP Status Code for Indicating Hints. Internet Engineering Task Force. doi:10.17487/RFC8297. RFC 8297. Experimental.
Dusseault, Lisa, ed. (June 2007). HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV). Network Working Group. doi:10.17487/RFC4918. RFC 4918. Proposed Standard. Updated by RFC 5689. Obsoletes RFC 2518.
Hoff, Arthur van; Douglis, Fred; Krishnamurthy, Balachander; Goland, Yaron Y.; Hellerstein, Daniel M.; Feldmann, Anja; Mogul, Jeffrey (January 2002). Delta encoding in HTTP. Network Working Group. doi:10.17487/RFC3229. RFC 3229. Proposed Standard.
Fielding; et al. (June 1999). 10.3.2 301 Moved Permanently. IETF. p. 61. sec. 10.3.2. doi:10.17487/RFC2616. RFC 2616.
T Berners-Lee; R. Fielding; H. Frystyk (May 1996). Hypertext Transfer Protocol -- HTTP/1.0. Network Working Group. doi:10.17487/RFC1945. RFC 1945. Informational.
R. Fielding; J. Gettys; J. Mogul; H. Frystyk; L. Masinter; P. Leach; T. Berners-Lee (August 1999). Hypertext Transfer Protocol -- HTTP/1.1. Network Working Group. doi:10.17487/RFC2616. RFC 2616. Obsolete. Obsoleted by RFC 7230, 7231, 7232, 7233, 7234 and 7235. Obsoletes RFC 2068. Updated by RFC 2817, 5785, 6266 and 6585.
L. Masinter (April 1, 1998). Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0). Network Working Group. doi:10.17487/RFC2324. RFC 2324. Informational. Updated by RFC 7168. This is an April Fools' Day Request for Comments. Any attempt to brew coffee with a teapot should result in the error code "418 I'm a teapot". The resulting entity body MAY be short and stout.
M. Nottingham; R. Fielding (April 2012). Additional HTTP Status Codes. Internet Engineering Task Force. doi:10.17487/RFC6585. ISSN 2070-1721. RFC 6585. Proposed Standard. Updates RFC 2616.
K. Holtman; A.H. Mutz (March 1998). Transparent Content Negotiation in HTTP. Network Working Group. doi:10.17487/RFC2295. RFC 2295. Experimental.
Nielsen, Henrik Frystyk; Leach, Paul; Lawrence, Scott (February 2000). An HTTP Extension Framework. Network Working Group. doi:10.17487/RFC2774. RFC 2774. Historic.

searchengineland.com (Global: low place; English: 8,709^th place)

Barry Schwartz (August 26, 2014). "New Google Easter Egg For SEO Geeks: Server Status 418, I'm A Teapot". Search Engine Land. Archived from the original on November 15, 2015. Retrieved November 4, 2015.

serverfault.com (Global: low place; English: low place)

TheDeadLike. "HTTP/1.1 Status Codes 400 and 417, cannot choose which". serverFault. Archived from the original on October 10, 2015. Retrieved October 16, 2015.

shopify.com (Global: low place; English: low place)

help.shopify.com

"Shopify Documentation". Archived from the original on July 25, 2018. Retrieved July 25, 2018.

shopify.dev (Global: low place; English: low place)

"Shopify API response status and error codes". Retrieved December 12, 2023.

sipgate.com (Global: low place; English: low place)

api.sipgate.com

"Sipgate API Documentation". Archived from the original on July 10, 2018. Retrieved July 10, 2018.

spring.io (Global: low place; English: low place)

docs.spring.io

"Enum HttpStatus". Spring Framework. org.springframework.http. Archived from the original on October 25, 2015. Retrieved October 16, 2015.

stackoverflow.com (Global: 9,249^th place; English: 6,951^st place)

Stewart, Mark; djna. "Create request with POST, which response codes 200 or 201 and content". Stack Overflow. Archived from the original on October 11, 2016. Retrieved October 16, 2015.
alex. "What is the correct HTTP status code to send when a site is down for maintenance?". Stack Overflow. Archived from the original on October 11, 2016. Retrieved October 16, 2015.

stripe.com (Global: low place; English: low place)

"Stripe API Reference – Errors". stripe.com. Retrieved October 28, 2019.

support.google.com (Global: 2,836^th place; English: 2,952^nd place)

"301 redirects". Google Webmaster Tools Help.

taler.net (Global: low place; English: low place)

docs.taler.net

"The GNU Taler tutorial for PHP Web shop developers 0.4.0". docs.taler.net. Archived from the original on November 8, 2017. Retrieved October 29, 2017.

twitter.com (Global: 43^rd place; English: 43^rd place)

developer.twitter.com

"Twitter Error Codes & Responses". Twitter. 2014. Archived from the original on September 27, 2017. Retrieved January 20, 2014.

web.archive.org (Global: 1^st place; English: 1^st place)

"Hypertext Transfer Protocol (HTTP) Status Code Registry". Iana.org. Archived from the original on December 11, 2011. Retrieved January 8, 2015.
Stewart, Mark; djna. "Create request with POST, which response codes 200 or 201 and content". Stack Overflow. Archived from the original on October 11, 2016. Retrieved October 16, 2015.
"Mozilla Bugzilla Bug 187996: Strange behavior on 305 redirect, comment 13". March 3, 2003. Archived from the original on April 21, 2014. Retrieved May 21, 2009.
"The GNU Taler tutorial for PHP Web shop developers 0.4.0". docs.taler.net. Archived from the original on November 8, 2017. Retrieved October 29, 2017.
"Google API Standard Error Responses". 2016. Archived from the original on May 25, 2017. Retrieved June 21, 2017.
"Sipgate API Documentation". Archived from the original on July 10, 2018. Retrieved July 10, 2018.
"Shopify Documentation". Archived from the original on July 25, 2018. Retrieved July 25, 2018.
"HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)". IETF. June 2007. Archived from the original on March 3, 2016. Retrieved January 12, 2016.
TheDeadLike. "HTTP/1.1 Status Codes 400 and 417, cannot choose which". serverFault. Archived from the original on October 10, 2015. Retrieved October 16, 2015.
Barry Schwartz (August 26, 2014). "New Google Easter Egg For SEO Geeks: Server Status 418, I'm A Teapot". Search Engine Land. Archived from the original on November 15, 2015. Retrieved November 4, 2015.
Bray, T. (February 2016). "An HTTP Status Code to Report Legal Obstacles". ietf.org. Archived from the original on March 4, 2016. Retrieved March 7, 2015.
alex. "What is the correct HTTP status code to send when a site is down for maintenance?". Stack Overflow. Archived from the original on October 11, 2016. Retrieved October 16, 2015.
"The HTTP status codes in IIS 7.0". Microsoft. July 14, 2009. Archived from the original on April 9, 2009. Retrieved April 1, 2009.
"2.2.6 449 Retry With Status Code". Microsoft. 2009. Archived from the original on October 5, 2009. Retrieved October 26, 2009.
"Screenshot of error page". Archived from the original (bmp) on May 11, 2013. Retrieved October 11, 2009.
"MS-ASCMD, Section 3.1.5.2.2". Msdn.microsoft.com. Archived from the original on March 26, 2015. Retrieved January 8, 2015.
"Ms-oxdisco". Msdn.microsoft.com. Archived from the original on July 31, 2014. Retrieved January 8, 2015.
"ngx_http_request.h". nginx 1.9.5 source code. nginx inc. Archived from the original on September 19, 2017. Retrieved January 9, 2016.
"ngx_http_special_response.c". nginx 1.9.5 source code. nginx inc. Archived from the original on May 8, 2018. Retrieved January 9, 2016.
"return" directive Archived March 1, 2018, at the Wayback Machine (http_rewrite module) documentation.
"Troubleshooting: Error Pages". Cloudflare. Archived from the original on March 4, 2016. Retrieved January 9, 2016.
"527 Error: Railgun Listener to origin error". Cloudflare. Archived from the original on October 13, 2016. Retrieved October 12, 2016.
"HTTP Error Codes and Quick Fixes". Docs.cpanel.net. Archived from the original on November 23, 2015. Retrieved October 15, 2015.
"Enum HttpStatus". Spring Framework. org.springframework.http. Archived from the original on October 25, 2015. Retrieved October 16, 2015.
"Twitter Error Codes & Responses". Twitter. 2014. Archived from the original on September 27, 2017. Retrieved January 20, 2014.
"Using token-based authentication". ArcGIS Server SOAP SDK. Archived from the original on September 26, 2014. Retrieved September 8, 2014.
"Receiving a "508 Resource Limit Is Reached" error when browsing a site on CloudLinux". September 28, 2021. Archived from the original on July 19, 2025. Retrieved July 19, 2025.
"Platform Considerations | Pantheon Docs". pantheon.io. Archived from the original on January 6, 2017. Retrieved January 5, 2017.
"HTTP status codes – ascii-code.com". www.ascii-code.com. Archived from the original on January 7, 2017. Retrieved December 23, 2016.

webdav.org (Global: low place; English: low place)

"HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)". IETF. June 2007. Archived from the original on March 3, 2016. Retrieved January 12, 2016.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

R. Fielding; M. Nottingham; J. Reschke, eds. (June 2022). HTTP Semantics. Internet Engineering Task Force. doi:10.17487/RFC9110. ISSN 2070-1721. STD 97. RFC 9110. Internet Standard 97. Obsoletes RFC 2818, 7230, 7231, 7232, 7233, 7235, 7538, 7615 and 7694. Updates RFC 3864.
Bouquet, Paolo; Stoermer, Heiko; Vignolo, Massimiliano (January 12, 2011). "Web of Data and Web of Entities: Identity and Reference in Interlinked Data in the Semantic Web". Philosophy & Technology. 25. Springer Nature: 5–26. doi:10.1007/s13347-010-0011-6. ISSN 2210-5441.
Halpin, Harry; Presutti, Valentina (2011). "The identity of resources on the Web: An ontology for Web architecture". Applied Ontology. 6 (3). IOS Press: 263–293. doi:10.3233/AO-2011-0095. ISSN 1875-8533.
M. Nottingham; R. Fielding (April 2012). Additional HTTP Status Codes. Internet Engineering Task Force. doi:10.17487/RFC6585. ISSN 2070-1721. RFC 6585. Proposed Standard. Updates RFC 2616.

List of HTTP status codes (English Wikipedia)

amazon.com (Global: 159th place; English: 105th place)

docs.aws.amazon.com

arcgis.com (Global: 1,297th place; English: 856th place)

help.arcgis.com

ascii-code.com (Global: low place; English: low place)

bing.com (Global: 5,381st place; English: 4,834th place)

cloudflare.com (Global: low place; English: 8,037th place)

developers.cloudflare.com

support.cloudflare.com

contentkingapp.com (Global: low place; English: low place)

cpanel.net (Global: low place; English: low place)

documentation.cpanel.net

support.cpanel.net

developers.google.com (Global: 3,679th place; English: 7,859th place)

djangoproject.com (Global: low place; English: low place)

docs.djangoproject.com

doi.org (Global: 2nd place; English: 2nd place)

dreamhost.com (Global: low place; English: low place)

help.dreamhost.com

github.com (Global: 380th place; English: 337th place)

google.com (Global: 109th place; English: 87th place)

http.dev (Global: low place; English: low place)

iana.org (Global: 2,479th place; English: 2,606th place)

ietf.org (Global: 731st place; English: 625th place)

tools.ietf.org

datatracker.ietf.org

livefilestore.com (Global: low place; English: low place)

public.bn1.livefilestore.com

microsoft.com (Global: 263rd place; English: 259th place)

msdn.microsoft.com

support.microsoft.com

learn.microsoft.com

mozilla.org (Global: 2,188th place; English: 2,076th place)

developer.mozilla.org

bugzilla.mozilla.org

msdn.com (Global: 4,626th place; English: 3,858th place)

blogs.msdn.com

nginx.org (Global: low place; English: low place)

lxr.nginx.org

nginx.org

pantheon.io (Global: low place; English: low place)

pcmag.com (Global: 1,442nd place; English: 915th place)

pcworld.com (Global: 1,889th place; English: 1,323rd place)

rfc-editor.org (Global: 747th place; English: 325th place)

searchengineland.com (Global: low place; English: 8,709th place)

serverfault.com (Global: low place; English: low place)

shopify.com (Global: low place; English: low place)

help.shopify.com

shopify.dev (Global: low place; English: low place)

sipgate.com (Global: low place; English: low place)

api.sipgate.com

spring.io (Global: low place; English: low place)

docs.spring.io

stackoverflow.com (Global: 9,249th place; English: 6,951st place)

stripe.com (Global: low place; English: low place)

support.google.com (Global: 2,836th place; English: 2,952nd place)

taler.net (Global: low place; English: low place)

docs.taler.net

twitter.com (Global: 43rd place; English: 43rd place)

developer.twitter.com

web.archive.org (Global: 1st place; English: 1st place)

webdav.org (Global: low place; English: low place)

worldcat.org (Global: 4th place; English: 4th place)

search.worldcat.org

amazon.com (Global: 159^th place; English: 105^th place)

arcgis.com (Global: 1,297^th place; English: 856^th place)

bing.com (Global: 5,381^st place; English: 4,834^th place)

cloudflare.com (Global: low place; English: 8,037^th place)

developers.google.com (Global: 3,679^th place; English: 7,859^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

github.com (Global: 380^th place; English: 337^th place)

google.com (Global: 109^th place; English: 87^th place)

iana.org (Global: 2,479^th place; English: 2,606^th place)

ietf.org (Global: 731^st place; English: 625^th place)

microsoft.com (Global: 263^rd place; English: 259^th place)

mozilla.org (Global: 2,188^th place; English: 2,076^th place)

msdn.com (Global: 4,626^th place; English: 3,858^th place)

pcmag.com (Global: 1,442^nd place; English: 915^th place)

pcworld.com (Global: 1,889^th place; English: 1,323^rd place)

rfc-editor.org (Global: 747^th place; English: 325^th place)

searchengineland.com (Global: low place; English: 8,709^th place)

stackoverflow.com (Global: 9,249^th place; English: 6,951^st place)

support.google.com (Global: 2,836^th place; English: 2,952^nd place)

twitter.com (Global: 43^rd place; English: 43^rd place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldcat.org (Global: 4^th place; English: 4^th place)