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TIL about font subsetting

051dbe29a972707cde167602b38c9778?s=47 Gunnar Bittersmann
March 23, 2020
Design
2
19

TIL about font subsetting

Lightning talk about subsetting fonts with Glyphhanger

051dbe29a972707cde167602b38c9778?s=128

Gunnar Bittersmann

March 23, 2020
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Transcript

  1. TIL about font subsetting

  2. None

  3. internationalisation performance a à á ą å ä ã α

    א अ  a ä

  4. font-family: Abril Text font-family: Abril Text; font-variant-numeric: lining-nums tabular-nums

  5. glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to

    Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 48.62 KB)

  6. glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril

    $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 48.62 KB) U+20-7E ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.17 KB)

  7. glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril

    $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 48.62 KB) U+20-7E ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.17 KB)

  8. glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E, U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E Subsetting

    Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.95 KB) glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 48.62 KB) U+20-7E ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.17 KB) U+20-7E,U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC ~/Library/Fonts/Abril $

  9. glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E, U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E Subsetting

    Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.95 KB) glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 48.62 KB) U+20-7E ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.17 KB) U+20-7E,U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-FF U+20-FF Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 36.48 KB) ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $

  10. glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E, U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E Subsetting

    Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.95 KB) glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 48.62 KB) U+20-7E ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.17 KB) U+20-7E,U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-FF U+20-FF Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 36.48 KB) ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $

  11. glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E, U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E Subsetting

    Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.95 KB) glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 48.62 KB) U+20-7E ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.17 KB) U+20-7E,U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-FF U+20-FF Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 36.48 KB) ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $ glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-17F U+20-17F ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 43.35 KB)

  12. glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E, U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E Subsetting

    Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.95 KB) glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 48.62 KB) U+20-7E ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.17 KB) U+20-7E,U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-FF U+20-FF Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 36.48 KB) ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $ glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-17F U+20-17F ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 43.35 KB)

  13. Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 45.1 KB)

    U+20-7E,U+2010-2015,U+2018-201A,U+2026,U+2030,U+2032-2034,U+2070-2079,U+2080-2089,U+20AC,U+2150-215F glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-17F ,U+2010-2015,U+2018-201A,U+2026,U+2030,U+2032-2034,U+2070-2079,U+2080-2089,U+20AC,U+2150-215F glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E, U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.95 KB) glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 48.62 KB) U+20-7E ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.17 KB) U+20-7E,U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-FF U+20-FF Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 36.48 KB) ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $ glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-17F U+20-17F ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 43.35 KB) ~/Library/Fonts/Abril $

  14. glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-17F ,U+2000-20BF,U+2150-215F Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was

    133.95 KB, now 45.1 KB) U+20-7E,U+2010-2015,U+2018-201A,U+2026,U+2030,U+2032-2034,U+2070-2079,U+2080-2089,U+20AC,U+2150-215F glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-17F ,U+2010-2015,U+2018-201A,U+2026,U+2030,U+2032-2034,U+2070-2079,U+2080-2089,U+20AC,U+2150-215F glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E, U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-7E Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.95 KB) ~/Library/Fonts/Abril $ U+20-7E ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 29.17 KB) U+20-7E,U+C4,U+D6,U+DC,U+DF,U+E4,U+F6,U+FC glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-FF U+20-FF Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 36.48 KB) ~/Library/Fonts/Abril $ ~/Library/Fonts/Abril $ glyphhanger --subset=Abril_Text_Regular.otf --formats=woff2 --whitelist=U+20-17F U+20-17F ~/Library/Fonts/Abril $ Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 43.35 KB) ~/Library/Fonts/Abril $ U+20-7E,U+2000-20BF,U+2150-215F Subsetting Abril_Text_Regular.otf to Abril_Text_Regular-subset.woff2 (was 133.95 KB, now 45.7 KB) ~/Library/Fonts/Abril $

  15. 0 10 20 30 40 50 60 70 80 90

    Basic Latin (ASCII) + ÄÖÜäöüß + Latin-1 Supplement + Latin Extended-A + einige Satzzeichen etc. + Blöcke Satzzeichen etc. alle Zeichen (kein Subset)

  16. Regular Bold Italic BoldItalic 0 17,5 35 52,5 70 de-subset

    ext-subset subset

  17. Das Portal der Berliner Stadtbibliothek in der Breiten Straße 32–34

    in Berlin-Mitte. Es zeigt Stahlplatten mit 117 Variationen des Buchstaben A, geschaffen 1965 von Fritz Kühn. Foto: Jörg Zägel, CC BY-SA 3.0