ウェブサイトの速度改善 / High Performance Website

by INOUE Takuya

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΢ΣϒαΠτͷ଎౓վળ ͍ͷ͏͑ͨ͘΍ʢ͓͍ͪΌΜʣ!JOPVFUBLVZB ΤϯδχΞֶੜYϦϒηϯε%SJOLVQ

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స৬υϥϑτʢCZϦϒηϯεʣ ͍ͷ͏͑ͨ͘΍͓͍ͪΌΜ!JOPVFUBLVZB /VYUKT 7VFY 7VFKTެࣜυΩϡϝϯτͷ຋༁ऀɺϝϯςφ ൴ঁ͔Β͸ɺ͓͍ͪΌΜͱݺ͹Ε͍ͯ·͢

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ࠓ೔࿩͢͜ͱ

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ϑϩϯτΤϯυΤϯδχΞͬͯ ͲΜͳ͜ͱ΍ͬͯΔͷʁͷҰྫ

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΢ΣϒαΠτͷ଎౓վળ

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l࢖͍΍͢͞͸ ʮ଎͞ʯ͔Β࢝·Δz

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࿩͢͜ͱ w଎౓໨ඪͷཱͯํ w଎౓ܭଌ w଎౓վળ w଎౓Λҡ࣋͢Δ࢓૊Έͮ͘Γ

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࿩͞ͳ͍͜ͱ w଎౓վળͷৄࡉʢ࣮૷ʣ

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7VF'FTαΠτͷಛ௃ wIUUQTWVFGFTKQ wϔουը૾େখຕͷը૾ w੩తαΠτʢ/VYU(FOFSBUFʣ w/FUMJGZ

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଎౓໨ඪͷཱͯํ

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ʮͲͷࢦඪʯΛʮͲͷ͘Β͍ʯ ·Ͱ଎͘͢Ε͹Α͍͔ʁ

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'JSTU.FBOJOHGVM1BJOU w IUUQTEFWFMPQFSTHPPHMFDPNXFCGVOEBNFOUBMTQFSGPSNBODF VTFSDFOUSJDQFSGPSNBODFNFUSJDT 8FCϖʔδ͕Ϣʔβʔʹͱͬͯҙຯͷ͋Δʢ໾ʹཱͭʣදࣔʹͳͬͨλΠϛϯά

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Ͳͷ͘Β͍଎͚Ε͹Α͍͔ʁ wϠίϒɾχʔϧηϯͷهࣄ wਓؒͷೝ஌ػೳͷ؍఺͔ΒʣҰ࿈ͷφϏήʔγϣϯ͕ؒ அͳ͘ਐΜͰ͍Δͱײ͡ΒΕΔݶքඵ w3"*-Ϟσϧ w3FTQPOTF "OJNBUJPO *EMF -PBEͷ໨ඪ஋ w-PBEͷ໨ඪ஋ ϛϦඵ

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଎౓ܭଌ

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l%PO`UHVFTT NFBTVSFz ʢਪଌ͢ΔͳɺܭଌͤΑʣ

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଎౓ܭଌ w$ISPNF%FW5PPMT w߹੒ϞχλϦϯά wϦΞϧϢʔβʔϞχλϦϯά

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߹੒ϞχλϦϯά wܭଌ༻ͷԾ૝؀ڥ wಉ͡৚݅Ͱ܁Γฦ͠ܭଌΛߦ͏ w8FC1BHFUFTU wվળͷͨΊͷৄࡉͳϨϙʔτ

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ϦΞϧϢʔβʔϞχλϦϯά wϦΞϧͳϢʔβʔମݧΛ೺ѲͰ͖Δ w(PPHMF"OBMZUJDT

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7VF'FTαΠτʢ#FGPSFʣ w'.1NT

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EFWUP w'.1NT

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Ѩ෦׮ͷϗʔϜϖʔδ w'.1NT

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଎౓վળ

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͍·ɺͲ͜ͷվળΛ΍ͬ ͍ͯΔʁΛৗʹҙࣝ

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ΫϦςΟΧϧϨϯμϦϯ άύεΛৗʹ೦಄ʹஔ͘

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IUUQTTRMB[VSFKQSCPPL ʢ௒଎ຊʹࡌ͍ͬͯΔਤʣ

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ຊ౰ʹޮՌ͕͋ͬͨͷ͔ #FGPSF"GUFSΛ ͻͱͭͣͭܭଌ

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ಛʹޮՌ͕େ͖͔ͬͨ΋ ͷΛ঺հ

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)551 $%/

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ը૾ͷ࠷దԽฤ

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ը૾ܗࣜͷબ୒

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ը૾ܗࣜͷಛ௃ൺֱ w IUUQTXXXIUNMSPDLTDPNFOUVUPSJBMTTQFFEJNH DPNQSFTTJPO

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ը૾ܗࣜͷબ୒

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ը૾ͷϦαΠζ

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ը૾ͷϦαΠζ wෆඞཁʹେ͖ͳը૾Λϩʔυ͠ͳ͍Α͏ʹ͢ Δ wQQJʢQJYFMQFSJODIʣʹ߹Θͤͯ࠷దͳαΠ ζͷը૾Λϩʔυ͢Δ wTSDTFUଐੑ

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TSDTFUଐੑ

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ը૾ͷѹॖ

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ը૾ͷѹॖϥΠϒϥϦ wNP[KQFHKQFHUBOKQFHPQUJN wQOHRVBOU wPQUJQOH wHJGTJDMF wTWHP

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(6*πʔϧ w*NBHF0QUJN w಺෦Ͱ+1&(0QUJN΍0QUJ1/(ͳͲΛ࢖͏ w+1&(NJOJͱൺֱͯ͠ߴ͍ѹॖ཰ɻॲཧ଎౓ ͸஗͍ w*NBHF"MQIB

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ίϚϯυϥΠϯπʔϧ wJNBHFNJO wJNBHFNJONP[KQFH wJNBHFNJOKQFHPQUJN wͳͲϓϥάΠϯͱ߹Θͤͯ࢖͏

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JNBHFNJO wOQNJOTUBMMJNBHFNJODMJ wOQNJOTUBMMJNBHFNJOQOHRVBOU wJNBHFNJOQMVHJOQOHRVBOUPVU EJSCBSGPP

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ը૾ͷ஗Ԇಡࠐ

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ը૾ͷ஗Ԇಡࠐ wWVFMB[ZMPBE wϑΝʔετϏϡʔʹೖΒͳ͍ը૾͸஗Ԇಡࠐ wϓϨʔεϗϧμը૾ΛͰ͖Δ͚ͩදࣔͤͨ͞ ͘ͳ͔ͬͨͷͰɺ7JFXQPSUΑΓ΋QY Լʹདྷͨ࣌఺ͰಡࠐΛ։࢝

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ը૾ͷ஗Ԇಡࠐ wʮը૾͕7JFXQPSUΑΓ΋QYԼʹདྷ ͨʯ൑ఆ͸*OUFSTFDUJPO0CTFSWFSͰ w·ͩ*&ͱ4BGBSJ͕ରԠ͍ͯ͠ͳ͍ͷͰ 1PMZpMM͕ඞཁ

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8FCϑΥϯτฤ

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"EPCF5ZQFLJU w$44͔ΒಡΈࠐΉͱʙNT΄ͲϨ ϯμϦϯάΛϒϩοΫͯ͠͠·͏ w+4Ͱ஗Ԇಡࠐͤ͞ΔΑ͏ʹͨ͠

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1SFMPBE

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଎౓վળͷ݁Ռ

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7VF'FTαΠτʢ"GUFSʣ w'.1NTNT w EFWUPNT Ѩ෦׮ͷϗʔϜϖʔδNTʢ͜ΕͲ͏΍ͬͨΒউͯΔΜͩʜ

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଎౓Λҡ࣋͢Δ ࢓૊Έͮ͘Γ

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ը૾ѹॖͷࣗಈԽ

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(JU)PPLT wίϛοτ͢ΔલʹࣗಈͰը૾ѹॖ wIVTLZΛ࢖͑͹όʔδϣϯ؅ཧͰ͖Δ

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IVTLZઃఆྫ

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ϞχλϦϯάͷڧԽ

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ϞχλϦϯάͷڧԽ w8FC1BHFUFTUΛϗεςΟϯάͯ͠ɺఆظత ʹ࣮ߦ͢ΔͳͲ wʢ·ͩ΍͍ͬͯͳ͍͕ɺ΍ͬͯΈ͍ͨʣ

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·ͱΊ wͲͷࢦඪΛͲͷ͘Β͍଎͘͢Δ͔ɺ଎౓վળͷ໨ ඪΛཱͯΔ wΫϦςΟΧϧϨϯμϦϯάύεΛ೦಄ʹஔ͍ͯɺ͍ ·ɺͲ͜ͷվળΛ΍͍ͬͯΔͷ͔Λৗʹҙࣝ͢Δ wվળΛҰ౓΍ͬͯऴΘΓͰ͸ͳ͘ɺվળͨ͠଎౓ Λҡ࣋͢Δ࢓૊Έ΋ॏཁ

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