Sustainable Web Interest Group - Activity

Lifecycle

• 1 charter extension.

  • 20 October 2026

    Charter extended until 30 April 2027.

    Announcement

TR publications

• 2 documents published.

  • 16 October 2026

    Web Sustainability Guidelines (WSG) published as a Draft Note. History of Web Sustainability Guidelines (WSG)

  • 16 October 2026

    Web Sustainability Guidelines (WSG) Impact Ratings published as a Draft Note. History of Web Sustainability Guidelines (WSG) Impact Ratings

Past meetings

• 1 meeting.

  • 8 October 2026

    Sustainable Web IG Meeting, 8 October 2026.

Participants

• 2 participants joined.

  • 14 October 2026

    Sorca Duffy (W3C Invited Experts) joined.

  • 12 October 2026

    Michael Kohler (Interledger Foundation) joined.

GitHub

w3c/sustainableweb-impact

• 1 pull request merged.

  • 16 October 2026

    Added note to Impact Score w3c/sustainableweb-impact#20.

• 1 pull request received 1 new comment.

  • 8 October 2026

    Added note to Impact Score w3c/sustainableweb-impact#20 (1 comment by @TzviyaSiegman)

w3c/sustainableweb-ig

• 1 issue opened.

  • 8 October 2026

    [agenda] 2026-10-08 w3c/sustainableweb-ig#287, by @AlexDawsonUK.

• 1 issue closed.

  • 8 October 2026

    [agenda] 2026-10-08 w3c/sustainableweb-ig#287.

• 6 issues received 6 new comments.

  • 8 October 2026

    [agenda] 2026-10-08 w3c/sustainableweb-ig#287 (1 comment by @TzviyaSiegman)

  • 6 October 2026

    Useful Tooling w3c/sustainableweb-ig#262 (1 comment by @airbr)

  • 6 October 2026

    How to gather small implementation examples? w3c/sustainableweb-ig#220 (1 comment by @airbr)

  • 6 October 2026

    Agenda item for Community Announcements; Help summarizing further facts into wsg-facts? w3c/sustainableweb-ig#236 (1 comment by @airbr)

  • 6 October 2026

    Notes on existing Beginner WSG Documentation w3c/sustainableweb-ig#238 (1 comment by @airbr)

  • 6 October 2026

    re-charter brainstorm w3c/sustainableweb-ig#277 (1 comment by @airbr)
• 2 pull requests opened.

  • 8 October 2026

    Oct 8 minutes w3c/sustainableweb-ig#288, by @TzviyaSiegman.

  • 7 October 2026

    Campaign Toolkit Update w3c/sustainableweb-ig#286, by @AlexDawsonUK.

• 3 pull requests merged.

  • 16 October 2026

    Security HR Supplement Updates w3c/sustainableweb-ig#267.

  • 8 October 2026

    Oct 8 minutes w3c/sustainableweb-ig#288.

  • 7 October 2026

    Campaign Toolkit Update w3c/sustainableweb-ig#286.

w3c/sustainableweb-wsg

• 1 issue opened.

  • 15 October 2026

    3.13 Beneficial files: consider /.well-known/sustainability-data (machine-readable energy and carbon figures) w3c/sustainableweb-wsg#484, by @andreibesleaga.

• 2 issues closed.

  • 16 October 2026

    Security Horizontal Review w3c/sustainableweb-wsg#467.

  • 16 October 2026

    Security and Privacy Self-review Questionnaire w3c/sustainableweb-wsg#162.

• 4 issues received 10 new comments.

  • Latest comment 16 October 2026

    3.13 Beneficial files: consider /.well-known/sustainability-data (machine-readable energy and carbon figures) w3c/sustainableweb-wsg#484 (4 comments by @AlexDawsonUK, @andreibesleaga, @mgifford)

  • Latest comment 10 October 2026

    3.2 Clarify that minification should only be applied to user-facing code? w3c/sustainableweb-wsg#478 (3 comments by @AlexDawsonUK, @MaciejZet)

  • Latest comment 11 October 2026

    Caching resources - needs more detail and caution w3c/sustainableweb-wsg#462 (2 comments by @AlexDawsonUK, @MaciejZet)

  • 1 October 2026

    Opening a discussion to explore a WSG maturity model w3c/sustainableweb-wsg#482 (1 comment by @systemstree)
• 1 pull request opened.

  • 10 October 2026

    Clarify minification applies to browser-delivered files w3c/sustainableweb-wsg#483, by @MaciejZet.

• 1 pull request merged.

  • 16 October 2026

    Security Horizontal Review w3c/sustainableweb-wsg#473.

• 1 pull request closed.

  • 10 October 2026

    Clarify minification applies to browser-delivered files w3c/sustainableweb-wsg#483.

• 3 pull requests received 19 new comments.

  • Latest comment 16 October 2026

    Conformance Update w3c/sustainableweb-wsg#480 (15 comments by @AlexDawsonUK, @ehorrell, @hidde, @MaciejZet)

  • Latest comment 8 October 2026

    Security Horizontal Review w3c/sustainableweb-wsg#473 (3 comments by @AlexDawsonUK, @simoneonofri, @TzviyaSiegman)

  • 10 October 2026

    Clarify minification applies to browser-delivered files w3c/sustainableweb-wsg#483 (1 comment by @AlexDawsonUK)

TR publications

• 2 documents published.

  • Latest publication 24 September 2026

    Web Sustainability Guidelines (WSG) published twice as a Draft Note. History of Web Sustainability Guidelines (WSG)

Past meetings

• 5 meetings.

  • 24 September 2026

    Sustainable Web IG Meeting, 24 September 2026.

  • 17 September 2026

    Sustainable Web IG Meeting, 17 September 2026.

  • 16 September 2026

    Sustainable Web IG (Asia), 16 September 2026.

  • 10 September 2026

    Sustainable Web IG Meeting, 10 September 2026.

  • 3 September 2026

    Sustainable Web IG Meeting, 3 September 2026.

Participants

• 1 participant joined.

  • 10 September 2026

    Jon Ray (University of Oxford) joined.

• 2 participants left.

  • 30 September 2026

    Jack Carey (Autodesk) left.

  • 10 September 2026

    Ben Tillyer (University of Oxford) left.

• 1 organization left.

  • 30 September 2026

    Autodesk left.

GitHub

w3c/sustainableweb-ig

• 5 issues opened.

  • 23 September 2026

    [agenda] 2026-09-24 w3c/sustainableweb-ig#284, by @AlexDawsonUK.

  • 16 September 2026

    [agenda] 2026-09-17 w3c/sustainableweb-ig#279, by @AlexDawsonUK.

  • 9 September 2026

    [agenda] 2026-09-10 w3c/sustainableweb-ig#278, by @AlexDawsonUK.

  • 9 September 2026

    re-charter brainstorm w3c/sustainableweb-ig#277, by @TzviyaSiegman.

  • 2 September 2026

    [agenda] 2026-09-03 w3c/sustainableweb-ig#275, by @AlexDawsonUK.

• 4 issues closed.

  • 24 September 2026

    [agenda] 2026-09-24 w3c/sustainableweb-ig#284.

  • 18 September 2026

    [agenda] 2026-09-17 w3c/sustainableweb-ig#279.

  • 16 September 2026

    [agenda] 2026-09-10 w3c/sustainableweb-ig#278.

  • 9 September 2026

    [agenda] 2026-09-03 w3c/sustainableweb-ig#275.

• 5 issues received 10 new comments.

  • Latest comment 16 September 2026

    re-charter brainstorm w3c/sustainableweb-ig#277 (6 comments by @AlexDawsonUK, @TzviyaSiegman)

  • 24 September 2026

    [agenda] 2026-09-24 w3c/sustainableweb-ig#284 (1 comment by @TzviyaSiegman)

  • 18 September 2026

    [agenda] 2026-09-17 w3c/sustainableweb-ig#279 (1 comment by @TzviyaSiegman)

  • 16 September 2026

    [agenda] 2026-09-10 w3c/sustainableweb-ig#278 (1 comment by @TzviyaSiegman)

  • 9 September 2026

    [agenda] 2026-09-03 w3c/sustainableweb-ig#275 (1 comment by @AlexDawsonUK)
• 6 pull requests opened.

  • 24 September 2026

    9/24 minutes w3c/sustainableweb-ig#285, by @TzviyaSiegman.

  • 22 September 2026

    Minor updates w3c/sustainableweb-ig#283, by @AlexDawsonUK.

  • 20 September 2026

    Minor fixes w3c/sustainableweb-ig#282, by @AlexDawsonUK.

  • 20 September 2026

    Campaign Toolkit Update w3c/sustainableweb-ig#281, by @AlexDawsonUK.

  • 16 September 2026

    Sep 10 w3c/sustainableweb-ig#280, by @TzviyaSiegman.

  • 3 September 2026

    minutes 9/3 w3c/sustainableweb-ig#276, by @TzviyaSiegman.

• 6 pull requests merged.

  • 24 September 2026

    9/24 minutes w3c/sustainableweb-ig#285.

  • 22 September 2026

    Minor updates w3c/sustainableweb-ig#283.

  • 20 September 2026

    Minor fixes w3c/sustainableweb-ig#282.

  • 20 September 2026

    Campaign Toolkit Update w3c/sustainableweb-ig#281.

  • 16 September 2026

    Sep 10 w3c/sustainableweb-ig#280.

  • 3 September 2026

    minutes 9/3 w3c/sustainableweb-ig#276.

w3c/sustainableweb-wsg

• 1 issue opened.

  • 24 September 2026

    Opening a discussion to explore a WSG maturity model w3c/sustainableweb-wsg#482, by @jenstrickland.

• 1 issue closed.

  • 24 September 2026

    JSON API: success criteria carry no stable identifier w3c/sustainableweb-wsg#475.

• 1 issue received 6 new comments.

  • Latest comment 24 September 2026

    JSON API: success criteria carry no stable identifier w3c/sustainableweb-wsg#475 (6 comments by @AlexDawsonUK, @jkphl, @MaciejZet)
• 2 pull requests opened.

  • 24 September 2026

    Misc Updates w3c/sustainableweb-wsg#481, by @AlexDawsonUK.

  • 23 September 2026

    Conformance Update w3c/sustainableweb-wsg#480, by @AlexDawsonUK.

• 2 pull requests merged.

  • 24 September 2026

    Misc Updates w3c/sustainableweb-wsg#481.

  • 23 September 2026

    Introduction Update w3c/sustainableweb-wsg#479.

• 2 pull requests received 20 new comments.

  • Latest comment 23 September 2026

    Introduction Update w3c/sustainableweb-wsg#479 (19 comments by @AlexDawsonUK, @hidde, @JamesChristie-SustainableUX, @lolaodelola)

  • 13 September 2026

    [DO NOT MERGE] Add snapshot of SCI-Web spec documents so far - 2026-07-09 w3c/sustainableweb-wsg#426 (1 comment by @MaciejZet)

TR publications

• 6 documents published.

  • Latest publication 20 August 2026

    Web Sustainability Guidelines (WSG) published 3 times as a Draft Note. History of Web Sustainability Guidelines (WSG)

  • Latest publication 20 August 2026

    Web Sustainability Guidelines (WSG) Impact Ratings published 3 times as a Draft Note. History of Web Sustainability Guidelines (WSG) Impact Ratings

Past meetings

• 3 meetings.

  • 20 August 2026

    Sustainable Web IG Meeting, 20 August 2026.

  • 13 August 2026

    Sustainable Web IG Meeting, 13 August 2026.

  • 6 August 2026

    Sustainable Web IG Meeting, 6 August 2026.

GitHub

w3c/sustainableweb-ig

• 2 issues opened.

  • 12 August 2026

    [agenda] 2026-08-13 w3c/sustainableweb-ig#271, by @AlexDawsonUK.

  • 5 August 2026

    [agenda] 2026-08-06 w3c/sustainableweb-ig#268, by @AlexDawsonUK.

• 2 issues closed.

  • 14 August 2026

    [agenda] 2026-08-13 w3c/sustainableweb-ig#271.

  • 7 August 2026

    [agenda] 2026-08-06 w3c/sustainableweb-ig#268.

• 2 issues received 2 new comments.

  • 14 August 2026

    [agenda] 2026-08-13 w3c/sustainableweb-ig#271 (1 comment by @TzviyaSiegman)

  • 7 August 2026

    [agenda] 2026-08-06 w3c/sustainableweb-ig#268 (1 comment by @TzviyaSiegman)
• 6 pull requests opened.

  • 26 August 2026

    Plenty of fixes and updates w3c/sustainableweb-ig#274, by @AlexDawsonUK.

  • 20 August 2026

    Editor Credit Fix w3c/sustainableweb-ig#273, by @AlexDawsonUK.

  • 14 August 2026

    8/13 minutes w3c/sustainableweb-ig#272, by @TzviyaSiegman.

  • 11 August 2026

    Impact Ratings TR Update w3c/sustainableweb-ig#270, by @AlexDawsonUK.

  • 7 August 2026

    minutes 8/6 w3c/sustainableweb-ig#269, by @TzviyaSiegman.

  • 4 August 2026

    Security HR Supplement Updates w3c/sustainableweb-ig#267, by @AlexDawsonUK.

• 5 pull requests merged.

  • 26 August 2026

    Plenty of fixes and updates w3c/sustainableweb-ig#274.

  • 20 August 2026

    Editor Credit Fix w3c/sustainableweb-ig#273.

  • 19 August 2026

    Impact Ratings TR Update w3c/sustainableweb-ig#270.

  • 14 August 2026

    8/13 minutes w3c/sustainableweb-ig#272.

  • 7 August 2026

    minutes 8/6 w3c/sustainableweb-ig#269.

w3c/sustainableweb-impact

• 6 pull requests opened.

  • 25 August 2026

    Added note to Impact Score w3c/sustainableweb-impact#20, by @AlexDawsonUK.

  • 20 August 2026

    Editor Credit Fix w3c/sustainableweb-impact#19, by @AlexDawsonUK.

  • 11 August 2026

    PR for Group Draft Note & TR auto-publish w3c/sustainableweb-impact#18, by @AlexDawsonUK.

  • 7 August 2026

    Trigger Pages w3c/sustainableweb-impact#17, by @AlexDawsonUK.

  • 6 August 2026

    Measurement > Ratings w3c/sustainableweb-impact#16, by @AlexDawsonUK.

  • 5 August 2026

    Editorial Best Practices w3c/sustainableweb-impact#15, by @AlexDawsonUK.

• 5 pull requests merged.

  • 20 August 2026

    Editor Credit Fix w3c/sustainableweb-impact#19.

  • 19 August 2026

    PR for Group Draft Note & TR auto-publish w3c/sustainableweb-impact#18.

  • 7 August 2026

    Trigger Pages w3c/sustainableweb-impact#17.

  • 6 August 2026

    Measurement > Ratings w3c/sustainableweb-impact#16.

  • 5 August 2026

    Editorial Best Practices w3c/sustainableweb-impact#15.

w3c/sustainableweb-wsg

• 2 issues opened.

  • 25 August 2026

    3.2 Clarify that minification should only be applied to user-facing code? w3c/sustainableweb-wsg#478, by @BezPowell.

  • 7 August 2026

    JSON API: success criteria carry no stable identifier w3c/sustainableweb-wsg#475, by @jkphl.

• 5 issues received 7 new comments.

  • Latest comment 7 August 2026

    JSON API: success criteria carry no stable identifier w3c/sustainableweb-wsg#475 (3 comments by @AlexDawsonUK, @jkphl)

  • 20 August 2026

    Optimized delivery SC (Update) w3c/sustainableweb-wsg#464 (1 comment by @airbr)

  • 20 August 2026

    Tighten conformance model w3c/sustainableweb-wsg#471 (1 comment by @airbr)

  • 20 August 2026

    Clarify WSG scope w3c/sustainableweb-wsg#472 (1 comment by @airbr)

  • 4 August 2026

    Security Horizontal Review w3c/sustainableweb-wsg#467 (1 comment by @AlexDawsonUK)
• 5 pull requests opened.

  • 25 August 2026

    Introduction Update w3c/sustainableweb-wsg#479, by @AlexDawsonUK.

  • 20 August 2026

    Editor Credit Fix w3c/sustainableweb-wsg#477, by @AlexDawsonUK.

  • 11 August 2026

    Impact Ratings TR name update w3c/sustainableweb-wsg#476, by @AlexDawsonUK.

  • 4 August 2026

    Editorial Best Practices w3c/sustainableweb-wsg#474, by @AlexDawsonUK.

  • 4 August 2026

    Security Horizontal Review w3c/sustainableweb-wsg#473, by @AlexDawsonUK.

• 3 pull requests merged.

  • 20 August 2026

    Editor Credit Fix w3c/sustainableweb-wsg#477.

  • 19 August 2026

    Impact Ratings TR name update w3c/sustainableweb-wsg#476.

  • 5 August 2026

    Editorial Best Practices w3c/sustainableweb-wsg#474.

• 2 pull requests received 38 new comments.

  • Latest comment 25 August 2026

    Security Horizontal Review w3c/sustainableweb-wsg#473 (27 comments by @AlexDawsonUK, @codewordcreative, @simoneonofri, @TzviyaSiegman)

  • Latest comment 5 August 2026

    Editorial Best Practices w3c/sustainableweb-wsg#474 (11 comments by @codewordcreative)