We've been overhauling SVG markup in T178867 with both, SVGO and manual code optimizations that are accomplished.
Furthermore we've brought SVGO build optimization for continuos improvement to
[x] [[ https://gerrit.wikimedia.org/r/#/c/395931/ | OOUI ]] and
[x] Style Guide.
Let's bring it to further active projects:
[] CentralNotice – https://gerrit.wikimedia.org/r/#/c/409976/
[x] Cite – https://gerrit.wikimedia.org/r/409957
[x] Echo – https://gerrit.wikimedia.org/r/407885
[x] GuidedTour – https://gerrit.wikimedia.org/r/409488
[x] Kartographer – https://gerrit.wikimedia.org/r/#/c/409987/
[x] MultimediaViewer
[x] OOUI
[] PagePreviews (Popups) – https://gerrit.wikimedia.org/r/#/c/410019/
[x] TwoColConflict – https://gerrit.wikimedia.org/r/#/c/410021/
[] UniversalLanuageSelector – https://gerrit.wikimedia.org/r/#/c/410019/
[x] VisualEditor – https://gerrit.wikimedia.org/r/407184 & https://gerrit.wikimedia.org/r/407189