July-2026

This is the July 2026 release notes of the Web Sustainability Guidelines (WSG) and its accompanying deliverables.

The following changes have been made since our last release:

Additions:

• [#348] WSG Impact Measurement & Impact JSON API dataset launched. (@anewmandev, @AlexDawsonUK, @andreadavanzo, @awright1979-alt, @mrchrisadams, @chrisn, @ehorrell, @fershad, @hanopcan, @hidde, @jyasskin, @jenstrickland, @ldevernay, @astuanax, @lmastalerz, @mgifford, @the-sustainabledev, @nicolabonotto, @ohuu, @ryansholin, @systemstree, @susannah-hill, @tantek, @thorstenjonas, @timfrick, @TzviyaSiegman)

Updates:

• Added links to consideration section to W3C mission for a11y, security, and privacy. (@AlexDawsonUK)
• Summary supplement deprecated and removed as its content merged into WSG introduction. (@AlexDawsonUK)
• Peer Review, Plain English, Tone and other content updates to UX Section. (@AlexDawsonUK, @andreadavanzo, @awright1979-alt, @bkardell, @ChristianHiBr, @CrystalPrestonWatson, @mylonelycomputer, @ehorrell, @fershad, @hidde, @ines-akrap, @JamesChristie-SustainableUX, @jyasskin, @jenstrickland, @JeroenHulscher, @kazuhito-kidachi, @mgifford, @airbr, @the-sustainabledev, @codewordcreative, @ryansholin, @Sarahz27, @systemstree, @hober, @timfrick, & @TzviyaSiegman)
• Peer Review, Plain English, Tone & other content updates to WebDev Section. (@AlexDawsonUK, @awright1979-alt, @CrystalPrestonWatson, @fershad, @hidde, @jyasskin, @kazuhito-kidachi, @Lewish1998, @lmastalerz, @airbr, @codewordcreative, @Sarahz27, @csarven, @systemstree, @susannah-hill, @tkalianda, @hober, @thorstenjonas, @timfrick, & @TzviyaSiegman)
• Peer Review, Plain English, Tone & other content updates to Infrastructure Section. (@AlexDawsonUK, @fershad, @hidde, @ines-akrap, @JamesChristie-SustainableUX, @jyasskin, @Lewish1998, @lmastalerz, @mgifford, @airbr, @codewordcreative, @ryansholin, @Sarahz27, @systemstree, @susannah-hill, @hober, @timfrick, & @TzviyaSiegman)
• Peer Review, Plain English, Tone & other content updates to Business Section. (@AlexDawsonUK, Alisa Bonsignore, @awright1979-alt, @ChristianHiBr, @jaromil, @mylonelycomputer, @fershad, @fullo, @hidde, @ines-akrap, @jenstrickland, @kazuhito-kidachi, @lmastalerz, @mgifford, @airbr, @the-sustainabledev, @codewordcreative, @simoneonofri, @systemstree, @hober, @timfrick, & @TzviyaSiegman)
• [#216] Quick Reference updated to be more accessible and print friendly with the PDF removed. (@AlexDawsonUK & @jenstrickland)
• [#243] Plain English introduction boxes are now expanded by default to maximize visibility. (@AlexDawsonUK, @codewordcreative & @TzviyaSiegman)
• [#291] Introduction has been updated with new material from IG members and summary document. (@AlexDawsonUK, @AnneFaubry, @hidde, @mgifford, @Psychpsyo, @codewordcreative, @ryansholin, @timfrick, & @TzviyaSiegman)
• [#309] Updates to the considerations and tagging to align better with benefits. (@AlexDawsonUK)
• [#342] "Sustainability metrics" split into "Provider selection" and "Efficient operation" SCs. (@AlexDawsonUK, @fershad, & @codewordcreative)
• [#465] Materials and content have been shifted into appropriate repos and updated for better management. (@AlexDawsonUK & @TzviyaSiegman)

Fixes:

• Aligned some of the language between documents for consistency. (@AlexDawsonUK & @codewordcreative)
• Broken links and redirects have been resolved or removed. (@AlexDawsonUK & @kantoche)
• Numerous issues raised by TAG have been addressed for the introduction and UX section. (@AlexDawsonUK, @codewordcreative, @susannah-hill, & @TzviyaSiegman)
• [#213] Horizontal Review feedback for Accessibility has been included. (@AlexDawsonUK, @goodwitch, @JamesChristie-SustainableUX, @jenstrickland, @codewordcreative, & @TzviyaSiegman)
• [#214] Horizontal Review feedback for Internationalization has been included. (@aphillips, @AlexDawsonUK, @svgeesus, @r12a, & @codewordcreative)
• [#215] Horizontal Review feedback for Privacy has been included. (@AlexDawsonUK, @gbshankar, @codewordcreative, & @TzviyaSiegman)
• [#216] GreenIT URLs have been updated to match the latest release. (@AlexDawsonUK)
• [#216] Ensured other deliverable cross-references all point to the TR specification URL. (@AlexDawsonUK)
• [#232] Additional references added to the laws & policies supplement. (@AlexDawsonUK)
• [#232] Statistics in the at-a-glance supplement have been updated. (@AlexDawsonUK)
• [#247] Change to the paragraph preceding GRI information for clarity. (@AlexDawsonUK & @ChristianHiBr)
• [#351] Cross-linking now automatically reveals a details elements contents. (@AlexDawsonUK)
• [#351] Numbering replaced with friendly ID's and URLs for better maintainability. (@AlexDawsonUK)
• [#353] Examples not in HTML, CSS, or JS now describe what format they are in. (@airbr)
• [#424] Existing GRI filters have been updated with impact measurement filters. (@AlexDawsonUK & @airbr)
• [#427] & [#459] Multiple spelling, grammar, and link issues have been resolved. (@Gabriel-Dalton & @systemstree)

Note:

• Unresolved issues have not been forgotten! They will be progressed in a future release.
• If you spot any new bugs, or have new content or ideas to include, submit an issue.