HTTP 404 (English Wikipedia)

Fielding, R; Reschke, J, eds. (June 2014). "404 Not Found". HTTP/1.1 Semantics and Content. Internet Engineering Task Force (IETF). sec. 6.5.4. doi:10.17487/RFC7231. S2CID 14399078. RFC 7231. Retrieved 13 December 2018.
Ziv Bar-Yossef; Andrei Z. Broder; Ravi Kumar; Andrew Tompkins (2004). "Sic transit gloria telae". Proceedings of the 13th international conference on World Wide Web. pp. 328–337. doi:10.1145/988672.988716. ISBN 978-1581138443. S2CID 587547.

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

advocacy.globalvoicesonline.org

"Anti-censorship movement in Tunisia: creativity, courage and hope!". Global Voices Advocacy. 27 May 2010. Retrieved 28 August 2010.

googlewebmastercentral.blogspot.com (Global: low place; English: low place)

"Farewell to soft 404s". Google Official Blog. Retrieved 20 September 2008.
Swenson, Sahala (19 August 2008). "Make your 404 pages more useful". Official Google Webmaster Central Blog. Google, Inc. Retrieved 28 August 2009.

help.yahoo.com (Global: low place; English: low place)

"Why is your crawler asking for strange URLs that have never existed on my site?". Yahoo Ysearch Help page. Archived from the original on 15 July 2014. Retrieved 4 September 2013.

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

datatracker.ietf.org

Fielding, R; Reschke, J, eds. (June 2014). "404 Not Found". HTTP/1.1 Semantics and Content. Internet Engineering Task Force (IETF). sec. 6.5.4. doi:10.17487/RFC7231. S2CID 14399078. RFC 7231. Retrieved 13 December 2018.

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

"The Dastardly "favicon.ico not found" Error". Internet Folks. 3 August 1999.

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

publicaffairs.linx.net

"LINX Public Affairs » Cleanfeed: the facts". Publicaffairs.linx.net. 10 September 2004. Archived from the original on 13 May 2011. Retrieved 6 March 2011.

metro.co.uk (Global: 534^th place; English: 334^th place)

McGuinness, Ross (6 June 2011). "From skateboarding bears to missing children: The power of the 404 Not Found error page". Metro. Retrieved 16 April 2013.

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

developer.mozilla.org

"403 Forbidden". mozilla. Archived from the original on 1 January 2026. Retrieved 14 March 2025.

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

blogs.msdn.com

"Friendly HTTP Error Pages". msdn.com. 18 August 2010. Archived from the original on 2 December 2010. Retrieved 14 June 2012.

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

"Notfound.org". notfound. Archived from the original on 2 September 2014.

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

Noman, Helmi (12 September 2008). "Tunisian journalist sues government agency for blocking Facebook, claims damage for the use of 404 error message instead of 403". Open Net Initiative. Retrieved 21 November 2010.

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

Fielding, R; Reschke, J, eds. (June 2014). "404 Not Found". HTTP/1.1 Semantics and Content. Internet Engineering Task Force (IETF). sec. 6.5.4. doi:10.17487/RFC7231. S2CID 14399078. RFC 7231. Retrieved 13 December 2018.

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

Cushing, Anne (2 April 2013). "A Data-Centric Approach To Identifying 404 Pages Worth Saving". Search Engine Land. Retrieved 7 June 2013.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Fielding, R; Reschke, J, eds. (June 2014). "404 Not Found". HTTP/1.1 Semantics and Content. Internet Engineering Task Force (IETF). sec. 6.5.4. doi:10.17487/RFC7231. S2CID 14399078. RFC 7231. Retrieved 13 December 2018.
Ziv Bar-Yossef; Andrei Z. Broder; Ravi Kumar; Andrew Tompkins (2004). "Sic transit gloria telae". Proceedings of the 13th international conference on World Wide Web. pp. 328–337. doi:10.1145/988672.988716. ISBN 978-1581138443. S2CID 587547.

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

"Sources Leading To 404s". SpringTrax. Retrieved 11 February 2013.
"Understand 404 Errors". SpringTrax.com. Retrieved 7 June 2013.

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

Heng, Christopher (7 September 2008). "What is Favicon.ico and How to Create a Favicon Icon for Your Website". The Site Wizard. Retrieved 23 February 2011.

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

"Why is your crawler asking for strange URLs that have never existed on my site?". Yahoo Ysearch Help page. Archived from the original on 15 July 2014. Retrieved 4 September 2013.
"LINX Public Affairs » Cleanfeed: the facts". Publicaffairs.linx.net. 10 September 2004. Archived from the original on 13 May 2011. Retrieved 6 March 2011.
"403 Forbidden". mozilla. Archived from the original on 1 January 2026. Retrieved 14 March 2025.
"Friendly HTTP Error Pages". msdn.com. 18 August 2010. Archived from the original on 2 December 2010. Retrieved 14 June 2012.
"Notfound.org". notfound. Archived from the original on 2 September 2014.

HTTP 404 (English Wikipedia)

404errorpages.com (Global: low place; English: low place)

bangkokpost.com (Global: 1,117th place; English: 740th place)

bbc.co.uk (Global: 11th place; English: 10th place)

bbc.com (Global: 26th place; English: 23rd place)

chromium.org (Global: 9,404th place; English: 9,224th place)

bugs.chromium.org

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

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

advocacy.globalvoicesonline.org

googlewebmastercentral.blogspot.com (Global: low place; English: low place)

help.yahoo.com (Global: low place; English: low place)

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

datatracker.ietf.org

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

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

publicaffairs.linx.net

metro.co.uk (Global: 534th place; English: 334th place)

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

developer.mozilla.org

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

blogs.msdn.com

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

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

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

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

semanticscholar.org (Global: 15th place; English: 8th place)

api.semanticscholar.org

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

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

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

bangkokpost.com (Global: 1,117^th place; English: 740^th place)

bbc.co.uk (Global: 11^th place; English: 10^th place)

bbc.com (Global: 26^th place; English: 23^rd place)

chromium.org (Global: 9,404^th place; English: 9,224^th place)

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

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

metro.co.uk (Global: 534^th place; English: 334^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)

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

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

semanticscholar.org (Global: 15^th place; English: 8^th place)

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