PWA導入の成果と課題 / nikkei-pwa-html5conf2018

HTML5 Conference 2018 https://events.html5j.org/conference/2018/11/ で発表したPWAに関するスライドです。

[日経電子版 サイト高速化とPWA対応]
https://speakerdeck.com/sisidovski/nikkei-high-performance-pwa

[Nikkei achieves a new level of quality and performance with their multi-page PWA]
https://developers.google.com/web/showcase/2018/nikkei

[「改めまして、Progressive Web Appsと申します」── Web UXの新たな基準を考える]
https://html5experts.jp/uskay/25391/

[BeforeInstallPromptEvent.prompt() can be used without user gesture (User Activation v2)]
https://bugs.chromium.org/p/chromium/issues/detail?id=869756

[Speed up Service Worker with Navigation Preloads]
https://developers.google.com/web/updates/2017/02/navigation-preload

[リアルタイムデータ処理基盤 「Atlas」 のソースコードを公開します] https://hack.nikkei.com/blog/atlas_opensource_project/

[ebidel/lighthouse-ci]
https://github.com/ebidel/lighthouse-ci

[Performance budgets 101]
https://web.dev/fast/performance-budgets-101

[Your first performance budget]
https://web.dev/fast/your-first-performance-budget

[What's New In DevTools (Chrome 59)]
https://developers.google.com/web/updates/2017/04/devtools-release-notes#coverage

[Speed Essentials: Key Techniques for Fast Websites (Chrome Dev Summit 2018)]
https://youtu.be/reztLS3vomE

[WICG/BackgroundSync]
https://github.com/WICG/BackgroundSync/blob/master/explainer.md#periodic-synchronization-in-design

[となりのヤングジャンプ]
https://tonarinoyj.jp/episode/10834108156638358373

[Twitter Lite]
https://mobile.twitter.com

[Service Worker スクリプトのインストールと更新処理]
https://nhiroki.jp/2018/02/15/service-worker-install-and-update-scripts

[JS requests & size 1st party vs 3rd party]
https://discuss.httparchive.org/t/js-requests-size-1st-party-vs-3rd-party/1509

[日経電子版を支える広告技術] https://hack.nikkei.com/blog/tech_book_fest04_ds_ad_tech/

[Pagespeed Insights]
https://developers.google.com/speed/pagespeed/insights/?url=https%3A%2F%2Fr.nikkei.com

[Desktop Progressive Web Apps]
https://developers.google.com/web/progressive-web-apps/desktop

[hack.nikkei.com]
https://hack.nikkei.com

Transcript

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    -JUF #BDLHSPVOE
    4ZODͷࣄྫ IUUQTNPCJMFUXJUUFSDPN
53. 53 3FRVFTUΦϒδΣΫτ͝ͱ*OEFYFE%#ʹೖΕ͍ͯΔʢ͔͍͜͠ʣ #BDLHSPVOE
    4ZODͷࣄྫ
54. 54 J04
    4BGBSJ
    18"
55. 55  ϓογϡ௨஌͕࢖͑ͳ͍
     ")4ͷϓϩϯϓτ͕ग़ͳ͍
     εϓϥογϡը໘ͰNBOJGFTUϑΝΠϧͷࢦఆ͕࢖ΘΕͳ͍
     BQQMFUPVDITUBSUVQJNBHFͷϝλλά͕ผ్ඞཁ
     ผΞϓϦʹը໘੾Γସ͑ޙɺ18"ʹ໭ΔͱτοϓϖʔδʹભҠͯ͠͠ ·͏ʢόάʁʣ J04
    18"͸՝୊͕ࢁੵΈ
56. 56 ϩάΠϯͰ͖ͳ͍
     DPPLJF΍ηογϣϯετϨʔδ͕J04
    18"ͱ4BGBSJؒͰڞ༗͠ͳ͍
     J04
    18"͸ผυϝΠϯ΁ͷϖʔδભҠ࣌ʹ4BGBSJΛىಈ
     ೔ܦిࢠ൛΁ͷϩάΠϯ͸೔ܦ*%ʢJEOJLLFJDPNʣͰߦΘΕΔ J04
    18"͸՝୊͕ࢁੵΈ
57. 57 J04
    18"͸՝୊͕ࢁੵΈ
58. 58 ϒϥ΢βόοΫ͕Ͱ͖ͳ͍
     J04
    18"Ͱ͸ΤοδεϫΠϓ͕ར༻ෆՄ
     ը໘಺ʹ໭ΔϘλϯΛผ్͚ͭΔඞཁ͕͋Δ J04
    18"͸՝୊͕ࢁੵΈ IUUQTHQIJTI-3R&
59. 59 ϓογϡ௨஌
     ૹ৴ϩάɺ௨஌͔ΒͷΞΫηε਺ͳͲऔΕ͍ͯͳ͍
     ωΠςΟϒΞϓϦͱ͸ผͷಠࣗͷ࢓૊ΈͰૹ৴͓ͯ͠Γຊ౰ʹॏ ཁͳ଎ใ͕ૹΕ͍ͯͳ͍ʢڞ௨Խ༧ఆʣ ೔ܦిࢠ൛ʹ͓͚Δͦͷଞͷ՝୊
60. 60 ίʔυϕʔε
     ։ൃॳظ͸ϥΠϒϥϦ͕ͳ͔ͬͨͨΊɺجຊతͳΩϟογϡઓུ ͔ΒࣗલͰ࣮૷
     JNQPSU4DSJQUTͷݟ௨͠ͷѱ͞
    ݱࡏ8PSLCPYΛ࢖ͬͯॻ͖௚͍ͯ͠Δ ೔ܦిࢠ൛ʹ͓͚Δͦͷଞͷ՝୊
61. 61 4FSWJDF
    8PSLFSͷߋ৽
     લճͷߋ৽֬ೝ͔Β࣌ؒҎ্ܦͭͱߋ৽֬ೝΛߦ͏
     $ISPNFͰ͸GFUDIΠϕϯτͳͲͰ΋ߋ৽֬ೝΛߦ͏͕ɺߋ৽֬ೝ ͸ϝΠϯͱͳΔεΫϦϓτͱͷΈʹରͯ͠ߦΘΕΔ
     JNQPSU4DSJQUTͰಡΈࠐ·ΕΔϑΝΠϧͷΈมߋͨ͠৔߹͸ߋ৽֬ ೝ͕ߦΘΕͳ͍ͷͰ஫ҙ 4FSWJDF
    8PSLFS
    εΫϦϓτͷΠϯετʔϧͱߋ৽ॲཧ
    IUUQTOIJSPLJKQTFSWJDFXPSLFSJOTUBMMBOEVQEBUFTDSJQUT ೔ܦిࢠ൛ʹ͓͚Δͦͷଞͷ՝୊
62. 62 ܭଌͷ೉͠͞
     48ͷϥΠϑαΠΫϧ্৽͍͠όʔδϣϯ΁ͷߋ৽͸ϒϥ΢β೚ͤ
     ˞TLJQXBJUJOH ΛݺͿ৔߹͸ผ
     σϓϩΠޙ͙͢ʹΫϥΠΞϯτͷ48͕੾ΓସΘΔΘ͚Ͱ͸ͳ͍ ೔ܦిࢠ൛ʹ͓͚Δͦͷଞͷ՝୊
63. 63 SE
    QBSUZ
    TDSJQUT
64. 64 SE
    QBSUZ
    +4͸͜͜਺೥Ͱ૿Ճ܏޲ IUUQTEJTDVTTIUUQBSDIJWFPSHUKTSFRVFTUTTJ[FTUQBSUZWTSEQBSUZ
65. 65 ΄΅൒਺ͷϦΫΤετ͕SE
    QBSUZ SOJLLFJDPNʹ͓͚ΔSE
    QBSUZͷϦΫΤετ਺
66. 66 ݱঢ়ߦ͍ͬͯΔରԠ աڈࢿྉ
    <೔ܦిࢠ൛Λࢧ͑Δ޿ࠂٕज़>
    IUUQTIBDLOJLLFJDPNCMPHUFDI@CPPL@GFTU@ET@BE@UFDI ޿ࠂؔ࿈ͷ+4࠷దԽ
     BTZOD
    MPBEJOH
     EPDVNFOUXSJUFͷ཈ࢭ
     ϩʔυ͞ΕΔϑΝΠϧͷࣄલղܾʢϏϧυ࣌ʣ ম͚ੴʹਫঢ়ଶͰ͸͋Δ 3FTPVSDF
    )JOUTͷ׆༻ʢQSFDPOOFDUʣ
    1FSGPSNBODF
    #VEHFUͷઃఆ
    ˞কདྷతʹ͸'FBUVSF
    1PMJDZ΋࢖͑ͦ͏
67. 67 εΫϦϓτͷ࣮ߦ࣌ؒ IUUQTEFWFMPQFSTHPPHMFDPNTQFFEQBHFTQFFEJOTJHIUT VSMIUUQT"''SOJLLFJDPN
68. 68 εΫϦϓτͷ࣮ߦ࣌ؒ IUUQTEFWFMPQFSTHPPHMFDPNTQFFEQBHFTQFFEJOTJHIUT VSMIUUQT"''SOJLLFJDPN
69. 69  1FSGPSNBODF
    CVEHFUͷڐ༰ྔΛ௒͍͑ͯͯ΋ɺνʔϜ֎ͷਓ͔Β ͢Δͱʮ͏ΜͦΕͰʁʯͱ͍͏ײ૝
     ಋೖޙܧଓͯ͠࢖ΘΕ͍ͯΔͷ͔ɺఆظతʹ୨Է͍ͯ͠͠Δ͔
     ֎෦αʔϏεͷબఆʹύϑΥʔϚϯεͱ͍͏؍఺͕͋Δ͔ ٕज़ͷ໰୊͚ͩͰ͸ͳ͍
70. 70 ଞ෦ॺɾଞνʔϜͱͷௐ੔͸ຊ࣭తʹ೉͍͠ ύϑΥʔϚϯεվળ͸௚઀͓ۚʹͳΒͳ͍
    ଎౓ͱϏδωεࢦඪͷਖ਼֬ͳ૬ؔ΋ग़ͮ͠Β͍
71. 71 ϋΠύϑΥʔϚϯεͳ18"Λ࡞Δͷʹ͋ΔͱΑ͍΋ͷ
    ։ൃνʔϜͷڧ͍ύϫʔͱਪਐྗ
    
    νʔϜ֎ͷαϙʔλʔ
    
    ύϑΥʔϚϯε΍69Λେࣄʹ͢Δ૊৫จԽ
72. 72 ϥΠϒϥϦʹΑΔந৅Խ
     8PSLCPY
    /FYU/VYUKT
    ϓϥοτϑΥʔϜͷ੔උ
     .JDSPTPGU
    4UPSF
     σεΫτοϓ18"
     8FCඪ४ 18"ࠓޙͷల๬ %FTLUPQ
    1SPHSFTTJWF
    8FC
    "QQT
    IUUQTEFWFMPQFSTHPPHMFDPNXFCQSPHSFTTJWFXFCBQQTEFTLUPQ
73. 73 18"Λ೥ӡ༻ͯ͠Έͯ
     18"ͷಋೖͰϢʔβͷΤϯήʔδϝϯτΛߴΊΒΕΔ
     ଎౓͸Ϗδωεΰʔϧʹ௚݁͠ͳ͍ɻ͋͘·Ͱ69ΛߴΊΔҰ؀
     θϩϒϩοΩϯάϦιʔε͸݁ߏޮՌ͋Δ
     ϞχλϦϯάπʔϧ΍1FSGPSNBODF
    #VEHFUͷಋೖΛ
    ՝୊ͱࠓޙͷల๬
     J04͸·ͩ·ͩ՝୊͕ଟ͍͕ɺ4FSWJDF
    8PSLFS͚ͩͰ΋Ըܙ͸͋Δ
     SE
    QBSUZεΫϦϓτΛͳΜͱ͔͢Δͷ͸ۀքશମͷ໰୊
     ϑϨʔϜϫʔΫ΍ϓϥοτϑΥʔϜ͕ࠓޙ΋ͬͱ੔උ͞Ε͍͖ͯͦ͏ ·ͱΊ
74. 74 8F`SF
    IJSJOH ΤϯδχΞɾϓϩμΫτϚωʔδϟʔΛืू͍ͯ͠·͢
    IUUQTIBDLOJLLFJDPN