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Lighthouseを用いたサイト改善 / Website Improvements Usin...
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AmatsukiKu
July 12, 2018
Programming
0
1.8k
Lighthouseを用いたサイト改善 / Website Improvements Using Lighthouse
Start Today Technologies Meetup #4で発表したスライドです。
AmatsukiKu
July 12, 2018
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Transcript
© Start Today Technologies Inc. -JHIUIPVTFΛ༻͍ͨαΠτվળ 4UBSU5PEBZ5FDIOPMPHJFT.FFUVQ ৽ࣄۀ෦ϑϩϯτΤϯυνʔϜ ݖक ݈࢚
© Start Today Technologies Inc. ࣗݾհ • ݖक ݈࢚ʢ͝Μͷ͔Έ ͚Μ͡ʣ
• ϑϩϯτΤϯυΤϯδχΞ • !"NBUTVLJ,V *20/ͷ1$ɺεϚϗαΠτΛத৺ʹϑϩϯτΤϯυΛ୲
© Start Today Technologies Inc. ࠓͷςʔϚͱྲྀΕ ʮ-JHIUIPVTFΛ࣮ࡍʹͬͯΈͯɺಘͨݟʹ͍ͭͯͷհʯ • -JHIUIPVTFͱ •
-JHIUIPVTFΛͬͨվળྫ • -JHIUIPVTFΛར༻͢Δ্Ͱͷҙ
© Start Today Technologies Inc. -JHIUIPVTFͱ 8FCϖʔδΛͭͷ؍ͰԽ͠ɺվળ߲Λใࠂͯ͘͠ΕΔπʔϧ • (PPHMF$ISPNFͷ֦ுػೳ •
$ISPNF%FW5PPMTʢ$ISPNF͔Β౷߹ʣ • /PEF$-*
© Start Today Technologies Inc. վળʹऔΓΜͩϖʔδ ΞΠςϜৄࡉ ίʔσৄࡉ
© Start Today Technologies Inc. վળલͷείΞ ΞΠςϜৄࡉ ίʔσৄࡉ
© Start Today Technologies Inc. վળલͷείΞʢࠂίʔυແ͠ʣ ΞΠςϜৄࡉ ίʔσৄࡉ
© Start Today Technologies Inc. 1FSGPSNBODFͷධՁج४ • ओཁͳίϯςϯπ͕εΫϦʔϯ্ʹදࣔ͞ΕΔ·Ͱͷ࣌ؒ • ϖʔδ͕࠷ݶΠϯλϥΫςΟϒʹͳΔ·Ͱͷ࣌ؒ
CFUB • ϖʔδ͕શʹΠϯλϥΫςΟϒʹͳΔ·Ͱͷ࣌ؒ CFUB • ϖʔδͷίϯςϯπ͕ʹݟ͑Δঢ়ଶʹͳΔ·Ͱͷ࣌ؒΛείΞԽ ͨ͠ͷ 4QFFE*OEFY • ೖྗ࣌ͷϨεϙϯεͷ͞
© Start Today Technologies Inc. 4QFFE*OEFYͱ ʮ4QFFE*OEFY 8FC1BHFUFTU %PDVNFOUBUJPOʯ IUUQTTJUFTHPPHMFDPNBXFCQBHFUFTUPSHEPDTVTJOHXFCQBHFUFTUNFUSJDTTQFFEJOEFY
ΑΓ
© Start Today Technologies Inc. ࠂͷίʔυͷ • TDSJQUλάͷૠೖҐஔ TDSJQUλάΛධՁ͢ΔͨΊʹϨϯμϦϯά͕ࢭ·ͬͯ͠·͏ •
EPDVNFOUXSJUF ΛͬͨεΫϦϓτͷಈతಡΈࠐΈ • ωοτϫʔΫϥϯυτϦοϓ͕ൃੜ͠ɺಡΈࠐΈʹ͔͔Δ͕࣌ؒ૿͑Δ • ಡΈࠐΈݩͷTDSJQUλάʹBTZODଐੑΛ༩Ͱ͖ͳ͍
© Start Today Technologies Inc. ࠂͷίʔυͷվળ • TDSJQUλάͷૠೖҐஔ (PPHMF"ETFOTFͷΑ͏ʹඇಉظίʔυΛఏڙ͍ͯ͠Δͷʹ͍ͭͯɺͦͪΒ Λར༻͠ɺTDSJQUλάͷૠೖҐஔΛޙΖʹ͢Δ
• EPDVNFOUXSJUF ΛͬͨεΫϦϓτͷಈతಡΈࠐΈ ࠂΛؚΜͩίϯςϯπશମͷಡΈࠐΈΛ͘͢Δ͜ͱͰ͖ͳ͍͕ɺJGSBNFΛ ར༻ͨ͠ϋοΫΛ͏͜ͱͰɺඇಉظಡΈࠐΈΛՄೳʹ͠ɺओཁίϯςϯπͷಡ ΈࠐΈΛ͛ͳ͍ํ๏͕͋Δ
© Start Today Technologies Inc. ࠂίʔυͷվળޙͷείΞ ΞΠςϜৄࡉ ίʔσৄࡉ
© Start Today Technologies Inc. ࠂίʔυͷվળʹΑΔओཁίϯςϯπಡΈࠐΈ࣌ؒͷมԽ ΞΠςϜৄࡉ ίʔσৄࡉ
<NT> <NT> <NT> <NT> <NT> <NT>
© Start Today Technologies Inc. -JHIUIPVTFΛར༻͢Δ্Ͱͷҙ • 1FSGPSNBODFͷείΞ҆ఆ͠ͳ͍ αʔόʔଆࠂ৴ଆ͔ΒͷϨεϙϯεʹґଘ͢ΔͨΊ •
ਪ͞ΕΔ-B[ZMPBEΛೖΕͯඞͣ͠είΞ্͕͕Δ༁Ͱͳ͍ ΞΠςϜৄࡉͷϑΝʔετϏϡʔʹࣗಈૹΓͷΧϧʔηϧ͕͋ΓɺΧϧʔηϧ ͷޙΖͷίϯςϯπ-B[ZMPBEΛਪ͞ΕΔ͕ɺ࣮ࡍʹೖΕΔͱ4QFFE*OEFY͕ େ্͖͕ͬͯ͘͠·͏ • +40/Ͱอଘͨ݁͠Ռ$ISPNF%FW5PPMT্ͰݟΕͳ͍ IUUQTHPPHMFDISPNFHJUIVCJPMJHIUIPVTFWJFXFSY
© Start Today Technologies Inc. ·ͱΊ • -JHIUIPVTFݱঢ়ͰेࢀߟʹͳΔπʔϧ • -JHIUIPVTF͕ग़ྗ͢Δ1FSGPSNBODFͷείΞʹҰتҰ༕͠ͳ͍
• -JHIUIPVTF͕ఏҊ͢ΔυΩϡϝϯτΛཧղ͢Δ͜ͱΛଵΒͳ͍