Mark Nottingham
@mnot.net
Co-chair IETF HTTP & AIPREF working groups, member Internet Architecture Board (again), standards lead at Cloudflare. Former W3C TAG, W3C BoD. Interested in the intersection of legal regulation and technical standards.
https://www.mnot.net
https://www.mnot.net
Pinned
Mark Nottingham
@mnot.net
· Dec 23
I don't monitor every @ - if you want to make sure I see something, e-mail.
Software update #2: I've made a small tweak to https://rfc.fyi/ to make it much more useful; when considering how many references an RFC has, it also counts those from the RFCs it obsoletes. That means that searching for a term like 'HTTP' or 'DNS' returns the most relevant RFCs first!
December 11, 2025 at 9:37 AM
Software update #2: I've made a small tweak to https://rfc.fyi/ to make it much more useful; when considering how many references an RFC has, it also counts those from the RFCs it obsoletes. That means that searching for a term like 'HTTP' or 'DNS' returns the most relevant RFCs first!
Software update #1: https://redbot.org/ has a range of new tests -- including updates to caching and support for Content Security Policy, Permissions Policy, and CORS -- and now is multilingual! Please take a look and give feedback.
December 11, 2025 at 9:37 AM
Software update #1: https://redbot.org/ has a range of new tests -- including updates to caching and support for Content Security Policy, Permissions Policy, and CORS -- and now is multilingual! Please take a look and give feedback.
French-speaking friends, does this make sense? How awful is the translation? https://gist.github.com/mnot/47d819b1907ca13a8968b611dc56bb82
November 27, 2025 at 10:38 AM
French-speaking friends, does this make sense? How awful is the translation? https://gist.github.com/mnot/47d819b1907ca13a8968b611dc56bb82
“An industry without newcomers is a dying industry.”
-- Rolex CEO Jean-Frédéric Dufour at Dubai Watch Week
-- Rolex CEO Jean-Frédéric Dufour at Dubai Watch Week
November 24, 2025 at 9:12 PM
“An industry without newcomers is a dying industry.”
-- Rolex CEO Jean-Frédéric Dufour at Dubai Watch Week
-- Rolex CEO Jean-Frédéric Dufour at Dubai Watch Week
"[G]overnments that seek to systematically undermine democratic institutions will seek, first and foremost, to move away from the law and from expertise." https://academic.oup.com/jeclap/advance-article/doi/10.1093/jeclap/lpaf068/8306543
November 14, 2025 at 4:14 AM
"[G]overnments that seek to systematically undermine democratic institutions will seek, first and foremost, to move away from the law and from expertise." https://academic.oup.com/jeclap/advance-article/doi/10.1093/jeclap/lpaf068/8306543
Davies draws an interesting line between Ferdinand Porsche, Donald Knuth, and startup culture. https://monocle.com/business/in-defence-of-middle-management/
November 9, 2025 at 2:32 AM
Davies draws an interesting line between Ferdinand Porsche, Donald Knuth, and startup culture. https://monocle.com/business/in-defence-of-middle-management/
"[Meta and Alphabet] are not merely participants in the advertising industry; they are its epistemic gatekeepers. By institutionalizing concepts like programmatic targeting, multi-touch attribution, and performance-based media as unquestioned "best practices" they have engineered a paradigm in which
November 7, 2025 at 1:46 PM
"[Meta and Alphabet] are not merely participants in the advertising industry; they are its epistemic gatekeepers. By institutionalizing concepts like programmatic targeting, multi-touch attribution, and performance-based media as unquestioned "best practices" they have engineered a paradigm in which
Some thoughts about how to schedule online meetings for a global organisation in an equitable way. https://www.mnot.net/blog/2025/10/26/equitable-meetings
October 26, 2025 at 5:57 AM
Some thoughts about how to schedule online meetings for a global organisation in an equitable way. https://www.mnot.net/blog/2025/10/26/equitable-meetings
"AI hucksters [...] will tell you that there is only one way that this technology can be used: to fire a whole ton of workers and make the survivors do their job at frantic Lucy-in-the-chocolate-factory cadence. While it’s true that this is the only way that their companies could possibly be worth
October 26, 2025 at 5:52 AM
"AI hucksters [...] will tell you that there is only one way that this technology can be used: to fire a whole ton of workers and make the survivors do their job at frantic Lucy-in-the-chocolate-factory cadence. While it’s true that this is the only way that their companies could possibly be worth
RFC 9842 is HTTP Compression Dictionary Transport -- this is a big one!
Congrats @Yoav and @PatMeenan ! https://www.rfc-editor.org/rfc/rfc9842.html
Congrats @Yoav and @PatMeenan ! https://www.rfc-editor.org/rfc/rfc9842.html
October 1, 2025 at 6:10 AM
RFC 9842 is HTTP Compression Dictionary Transport -- this is a big one!
Congrats @Yoav and @PatMeenan ! https://www.rfc-editor.org/rfc/rfc9842.html
Congrats @Yoav and @PatMeenan ! https://www.rfc-editor.org/rfc/rfc9842.html
Achieving policymakers' goals in coordination with Internet standards activity can be difficult. This post explores some of the options and considerations involved.
www.mnot.net/blog/2025/09...
www.mnot.net/blog/2025/09...
Bridging the Gap Between Standards and Policy
Achieving policymakers' goals in coordination with Internet standards activity can be difficult. This post explores some of the options and considerations involved.
www.mnot.net
September 20, 2025 at 2:29 AM
Achieving policymakers' goals in coordination with Internet standards activity can be difficult. This post explores some of the options and considerations involved.
www.mnot.net/blog/2025/09...
www.mnot.net/blog/2025/09...
What is this new rounded corner hell?
September 16, 2025 at 9:47 AM
What is this new rounded corner hell?
What the fuck is wrong with the country I was born in? https://punchdrink.com/articles/ice-immigration-resources-bars-restaurants/
September 10, 2025 at 10:45 AM
What the fuck is wrong with the country I was born in? https://punchdrink.com/articles/ice-immigration-resources-bars-restaurants/
I've put up a quick archive of the old Syndication mailing list that I ran way back when on Yahoo! Groups. An artefact of simpler times... https://www.mnot.net/rss/syndication/
September 9, 2025 at 8:30 AM
I've put up a quick archive of the old Syndication mailing list that I ran way back when on Yahoo! Groups. An artefact of simpler times... https://www.mnot.net/rss/syndication/
If you work on HTTP implementations, deploy it at scale, or have a unique perspective or interest in the protocol, you might find other people to talk to at the 2026 HTTP Workshop: https://github.com/HTTPWorkshop/workshop2026?tab=readme-ov-file#2026-http-workshop
August 20, 2025 at 12:55 AM
If you work on HTTP implementations, deploy it at scale, or have a unique perspective or interest in the protocol, you might find other people to talk to at the 2026 HTTP Workshop: https://github.com/HTTPWorkshop/workshop2026?tab=readme-ov-file#2026-http-workshop
This picture is from 3 August. Since then, the Toll signage you see on the building (owned by Mirvac, I think) has disappeared -- likely because there was a protest action targeting Toll due to (AIUI) their involvement in shipments of arms to Israel.
Without knowing any more than that, I suspect
Without knowing any more than that, I suspect
August 19, 2025 at 9:25 AM
This picture is from 3 August. Since then, the Toll signage you see on the building (owned by Mirvac, I think) has disappeared -- likely because there was a protest action targeting Toll due to (AIUI) their involvement in shipments of arms to Israel.
Without knowing any more than that, I suspect
Without knowing any more than that, I suspect
I guess you could say that things are getting serious… #ietf https://www.ietf.org/blog/ai-pref-progress/
June 28, 2025 at 5:45 PM
I guess you could say that things are getting serious… #ietf https://www.ietf.org/blog/ai-pref-progress/
@pluralistic perhaps the amount of power that monopolists amass scares even those with masses of power.
June 28, 2025 at 1:55 PM
@pluralistic perhaps the amount of power that monopolists amass scares even those with masses of power.
More than anything, the latest Supreme Court ruling signifies a disruption of the structure of American law -- nothing is safe anymore. https://music.apple.com/au/album/nothing-is-safe/1473856273?i=1473856276
June 28, 2025 at 9:40 AM
More than anything, the latest Supreme Court ruling signifies a disruption of the structure of American law -- nothing is safe anymore. https://music.apple.com/au/album/nothing-is-safe/1473856273?i=1473856276
"The Supreme Court took a wrecking ball to Internet Law today in Free Speech Coalition v. Paxton. The majority (disingenuously) overturned two critical decades-old precedents restricting online age authentication [...]. By upending long-standing and well-settled rules to reach a pro-censorship
June 28, 2025 at 9:35 AM
"The Supreme Court took a wrecking ball to Internet Law today in Free Speech Coalition v. Paxton. The majority (disingenuously) overturned two critical decades-old precedents restricting online age authentication [...]. By upending long-standing and well-settled rules to reach a pro-censorship
Is AI a useful option for policymakers who want to evaluate open standards? Let's take a look. https://www.mnot.net/blog/2025/06/04/using_ai
June 5, 2025 at 1:43 AM
Is AI a useful option for policymakers who want to evaluate open standards? Let's take a look. https://www.mnot.net/blog/2025/06/04/using_ai
So, Google just launched a major new AI demo that requires people to relax their browser security settings. Wow.
May 21, 2025 at 12:59 AM
So, Google just launched a major new AI demo that requires people to relax their browser security settings. Wow.