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How We Gain "Mobile First" Using WebP with Imag...

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Avatar for Issei Naruta Issei Naruta
February 18, 2015
Technology
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How We Gain "Mobile First" Using WebP with ImageMagick

2015/2/18 画像変換Night http://connpass.com/event/11516/

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Issei Naruta

February 18, 2015
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Transcript

  1. *NBHF.BHJDL 8FC1Ͱ
 ϞόΠϧϑΝʔετͪ͠Ό͏ !NJSBLVJ *TTFJ/BSVUB  *OGSBTUSVDUVSF%JW$PPLQBE *OD ը૾ม׵/JHIU

  2. ࠓ೔֮͑ͯؼͬͯ ΄͍͜͠ͱ

  3. ΢Σοϐʔ

  4. IUUQKBXJLJQFEJBPSHXJLJ8FC1

  5. IUUQUFDIMJGFDPPLQBEDPNFOUSZ

  6. J04"OESPJEΞϓϦͰ͸
 ྉཧࣸਅΛ8FC1Ͱදࣔ

  7. ͳͥ8FC1͔ʁ

  8. +1&(ʹൺ΂ͯϑΝΠϧαΠζ ͕খ͘͞ɺը࣭΋ྼԽ͠ʹ͍͘

  9. None

  10. 8FC1ͷܽ఺

  11. ܽ఺ w ରԠ؀ڥ͕গͳ͍ w ʮӈΫϦοΫͰը૾ΛอଘʯͰ+1&(͕ཉ͍͠ਓʑ w GBDFCPPLͷ8FC1ෆධࣄ݅ w ωΠςΟϒΞϓϦͳΒ໰୊ͳ͍ͷͰ͸ w

    ᠘"OESPJEҎ߱Ͱඪ४ରԠͱࢥ͍͖΍ͦ͏Ͱ΋ͳ͍
 ˠҎ߱ͷΈ༗ޮʹ͍ͯ͠Δ

  12. ʮ࣌୅͸΢ΣοϐʔͰϞόΠϧϑΝʔετ͔ͩΒɻ
 5PGV͸*NBHF.BHJDLͳΜ͔ͩΒ͙͢Ͱ͖ΔͰ͠ΐʯ ʮ༨༟ͬ͢Αʯ

  13. 5PGV w ΫοΫύουʹ͓͚Δը૾ͷಈతม׵γεςϜ w "QBDIFϞδϡʔϧ *NBHF.BHJDL w ৄ͘͠͸ʮDPPLQBEUPGVʯͰݕࡧ w IUUQXXXTMJEFTIBSFOFUNJSBLVJTT

  14. *NBHF.BHJDLͷ
 8FC1ରԠঢ়گΛௐࠪͯ͠ΈΔ

  15. IUUQEIBUFOBOFKQZPZBXFCQ

  16. ͔Β8FC1ରԠʂ ౰࣌5PGV͸

  17. Α͔ͬͨʜָউͳ΍ͭͩʜ MJCXFCQϦϯΫͯ͠ϦϏϧυ͢Δ͚ͩͰ ͍͍ΜͰ͠ΐ

  18. ॱௐʹݟ͑ͨ8FC1ಋೖ ͔͠͠ͻͱ͚ͭͩ໰୊͕͋ͬͨ

  19. *NBHF.BHJDL
 ͷ8FC1पΓ͸ͿͬյΕͯΔ

  20. *NBHF.BHJDLͰͷ8FC1 w 8FC1΁ม׵͢Δࡍʹ2VBMJUZʢը࣭ʣͷࢦఆ͕Ͱ͖ͳ͍ w 8FC1ͷ໨ۄͰ͋Δը࣭ίϯτϩʔϧ͕Ͱ͖ͳ͍ɻແҙຯ w ม׵ޙ͸ৗʹ2VBMJUZʹͳΔʢθϩͱ͸ʜʣ w ϦαΠζɺΫϩοϓपΓͷڍಈ͕όάͬͯΔ w

    $.:,ը૾Λม׵͢Δͱ৭͕͓͔͘͠ͳΔ w ϝϞϦϦʔΫ͕͋Δ

  21. ͭ·ΓյΕͯ·͢

  22. $IBOHF-PHΛ ௥ͬͯΈΔ

  23. 8FC1ରԠ ʢͱओுʣ

  24. ϝϞϦϦʔΫमਖ਼

  25. 2VBMJUZࢦఆʹରԠ ʢػೳ௥ՃΈ͍ͨʹݴΘΕͯ΋ʜʣ

  26. ·ͨϝϞϦϦʔΫͷमਖ਼

  27. 8FC1ΛσϑΥϧτT3(#Ͱ
 ग़ྗ͢ΔΑ͏ʹมߋ

  28. +1&( $.:, 8FC1 DPOWFSU DPOWFSUDPMPSTQBDFT3(#

  29. 8FC1ରԠ͍͚ͨͩͩͬͨ͠ͷʹ
 ͔ͳΓͷόʔδϣϯΞοϓΛ
 ڧ͍ΒΕΔ͜ͱ͕൑໌

  30. ͥΜͥΜָউ͡Όͳ͔ͬͨ

  31. *NBHF.BHJDLͷ
 όʔδϣϯΞοϓා͗͢໰୊

  32. ઈରʹආ͚͍ͨࣄଶ w *NBHF.BHJDLͷόʔδϣϯΞοϓʹΑͬͯ
 ग़ྗը૾ͷ৭ຯ͕มΘͬͯ͠·͏͜ͱ w ݕূ͸͔ͳΓେม

  33. ࡶʹ࣭໰ͯ͠ΈΔ IUUQTUXJUUFSDPNNJSBLVJTUBUVT

  34. IUUQTUXJUUFSDPNZPZBTUBUVT

  35. ਆΑʜ ʢԿͰͦΜͳʹৄ͍͠ͷʜʣ

  36. ͭ·Γ 8FC1ରԠʢসʣ ౰࣌ར༻͍ͯͨ͠όʔδϣϯ 8FC1ͷϝϞϦϦʔΫमਖ਼ 8FC1ͷ2VBMJUZରԠ 8FC1ͷϝϞϦϦʔΫमਖ਼ɺόάpY 8FC1ग़ྗͷ৭ۭ͕ؒσϑΥϧτT3(#ʹ ৭ۭؒͷѻ͍͕मਖ਼ʢ৭ຯ͕มΘΔ͔΋ʣ ͜ͷ΁ΜͰࢭΊΕ͹ൺֱత҆શ

  37. 8FC1ͷͨΊʹ͸ͲͷόʔδϣϯΛ࢖͑͹͍͍͔ w ͢Ͱʹ*NBHF.BHJDLʢҎલʣΛར༻தͷγεςϜ w ·Ͱ্͛Ε͹ʢ8FC1ʹ͓͍ͯ͸ʣඞཁे෼ w Ͱ8FC1ͷ8JOEPXTରԠ΋͞Ε͍ͯΔ w ·ͩ*NBHF.BHJDLΛར༻͍ͯ͠ͳ͍γεςϜ w

    ࠷৽൛Λ࢖͍·͠ΐ͏