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State of SEO for SPA 2018
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seya
November 23, 2018
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State of SEO for SPA 2018
seya
November 23, 2018
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Transcript
State of SEO for SPA @౦ژNodeֶԂ 2018/11/23
Kazuya Seki FRONTEND DEV @sekikazu01 @seya
͜Μͳܦݧͳ͍Ͱ͠ΐ͏͔ 41"4&0ʹzऑ͍zΒ͍͠ ͪΐͬͱௐࠪͯ͠ΈΑ͏ɻ
None
લͷࢲ
ຊͷ͓ ͢͜ͱ • SPAͷߏஙΛݕ౼͍ͯ͠Δ͜ͱΛલఏͱ͠ʮSEOͷͮ͘Γʯͷํ๏ʹ͍͓ͭͯ ͠͠·͢ɻ ͞ͳ͍͜ͱ • ϥϯΩϯάΛͲ͏্͍͔͛ͯ͘ͳͲ۩ମతͳSEOςΫχοΫʹ͍ͭͯ͠·ͤΜ ·ͨɺલఏͱͯ͠ݕࡧΤϯδϯͷΈΛߟྀ͍ͯ͠·͢
Agenda l4&0zͱͳʹ͔ 1 41"ʹ͓͚Δ4&0ͷ՝ ͲΜͳղܾࡦ͕͋Δͷ͔ ཁٻύλʔϯ͝ͱͷղܾࡦͷબͼํ 2 3 4
“SEO”ͱͳʹ͔ 01.
SEO = Search Engine Optimization
ʮ4&0ͷʯͦͦͷͱͯ͠(PPHMFCPUʹΠϯσοΫε͞ΕΔ͜ͱ ͦͷͨΊʹ࣍ͷ͕̎ඞཁ (PPHMFCPUʹΫϩʔϧ͞ΕΔ͜ͱ )5.-͕దʹղऍ͞ΕΔ͜ͱ
ʮ4&0ͷʯͦͦͷͱͯ͠(PPHMFCPUʹΠϯσοΫε͞ΕΔ͜ͱ ͦͷͨΊʹ࣍ͷ͕̎ඞཁ (PPHMFCPUʹΫϩʔϧ͞ΕΔ͜ͱ )5.-͕దʹղऍ͞ΕΔ͜ͱ ˞͜Εʹ͍ͭͯTJUFNBQͱ͔ؤுͬͯ ͘ΕͬͯͳͷͰࠓ৮Ε·ͤΜ
'BDFCPPL0(1 5XJUUFS$BSE 'BDFCPPLͷ0(15XJUUFS$BSEͳͲz4&0zͷจ຺ͰޠΒΕΔ͜ͱ͕͋Δ ࣮ࡍશͬͯ͘4&0Ͱͳ͍ͷ͕ͩɺҰॹʹޠΒΕΔͷ͕ͨΓલͷੈͷதʹͳͬ ͯ͠·ͬͨͷͰຊτʔΫͰ߹Θͤͯड़Δɻ
ߏԽσʔλ ݕࡧ݁ՌͰͷදࣔΛϦονʹͯ͘͠ΕΔͷ IUUQTEFWFMPQFSTHPPHMFDPNTFBSDIEPDTHVJEFTTFBSDIHBMMFSZ
ߏԽσʔλͷྫ ".1 “ಡΈࠐΈ͕΄΅ҰॠͰྃ͠εϜʔζʹදࣔ͞Ε ΔັྗతͳΣϒϖʔδΛ؆୯ʹ࡞Ͱ͖ΔΦʔ ϓϯιʔε ϥΠϒϥϦ” - ߴԽʹͱ͜ͱΜͩ͜Θ༷ͬͨ - ಠࣗͷJSΛ࣮ߦͰ͖ͳ͍ͳͲͷ੍͕͋Δ
ࢀߟIUUQTXXXBNQQSPKFDUPSHKBEPDT
ߏԽσʔλͷྫಈը IUUQTEFWFMPQFSTHPPHMFDPNTFBSDIEPDTEBUBUZQFTWJEFP IMKB
·ͱΊ ʮ4&0ʯͱ͍͏ݴ༿͕ΘΕΔ࣌ʹ࣍ͷೋͭͷจ຺͕͋Δ (PPHMFͷݕࡧ݁ՌͰΑΓ্Ґʹදࣔ͞ΕΔͨΊͷࢪࡦ 0(15XJUUFS$BSEɺ".1ͳͲͷߏԽσʔλͷදࣔ ˞ຊτʔΫͰ͜ΕҎ߱શ෦ͻͬ͘ΔΊͯʮϝλใʯͱݺͼ·͢ ҰൠతͳݺͼํͰͳ͍Ͱ͢ ʮ4&0ͷʯΛ࡞ΔͨΊʹ࣍ͷ͕̎ඞཁ
(PPHMFCPUʹΫϩʔϧ͞ΕΔ͜ͱ )5.-͕దʹղऍ͞ΕΔ͜ͱ
SPAʹ͓͚Δ SEOͷ՝ 02.
Α͘ڍ͛ΒΕΔ41"ͷ4&0ʹؔ͢Δݒ೦ w (PPHMFCPU+4Λ࣮ߦ͠ͳ͍ w (PPHMFCPU"KBYΛ࣮ߦͯ͘͠Εͳ͍ͬͯ͘Εͳ͍
Α͘ڍ͛ΒΕΔ41"ͷ4&0ʹؔ͢Δݒ೦ w (PPHMFCPU+4Λ࣮ߦ͠ͳ͍ w (PPHMFCPU"KBYΛ࣮ߦͯ͘͠Εͳ͍ͬͯ͘Εͳ͍ ἛͰ͢ɻ
ޡղ+4Λ࣮ߦͯ͘͠Εͳ͍
͕͔ͩ͠͠
՝(PPHMFͷݕࡧγεςϜͷϨϯμϦϯάΤϯ δϯ$ISPNF૬ͷػೳ͔͍࣋ͬͯ͠ͳ͍ IUUQTEFWFMPQFSTHPPHMFDPNTFBSDIEPDTHVJEFTSFOEFSJOH ˞$ISPNF݄ࠒʹग़ͨϒϥβ
՝(PPHMFͷݕࡧγεςϜͷϨϯμϦϯάΤϯ δϯ$ISPNF૬ͷػೳ͔͍࣋ͬͯ͠ͳ͍ ༗໊Ͳ͜Ζͩͱ͜ͷล͕͑ͳ͍ • Ξϩʔؔ • ྻͷؔpOE JODMVEFTͳͲ • 3FTUQBSBNFUFST
• 0CKFDUBTTJHO • *OUFSTFDUJPO0CTFSWFS IUUQTDBOJVTFDPNDPNQBSFDISPNF
՝(PPHMFͷݕࡧγεςϜͷϨϯμϦϯάΤϯ δϯ$ISPNF૬ͷػೳ͔͍࣋ͬͯ͠ͳ͍ ͦΕҎ֎ʹ௨ৗͷϒϥβͱҧ͍ɺ੍͍͔͕ͭ͋͘Δ 8FC4PDLFUϓϩτίϧΛରԠ͍ͯ͠ͳ͍ ϢʔβͷಉҙΛඞཁͱ͢ΔػೳࣗಈͰෆঝೝͱͳΔ ͳͷͰࣗͷαʔϏε͕ྫ֎ʹ͍֘ͯ͠ͳ͍͔͔ͬ͠ΓνΣοΫ͠·͠ΐ͏ IUUQTEFWFMPQFSTHPPHMFDPNTFBSDIEPDTHVJEFTSFOEFSJOH
ޡղ"KBYΛ࣮ߦͯ͘͠Εͳ͍ͬͯ͘Εͳ͍
͕͔ͩ͠͠ ࢲαϠࢣͰ͢ɻ
՝λΠϜΞτ ͨΓલ͚ͩͲͣͬͱͬͯ͘ΕΔΘ͚Ͱͳ͍ ϦΫΤετʹ͕͔͔࣌ؒΓ͗͢ΔͱͦͦΠϯσοΫεͯ͘͠Εͳ͔ͬͨΓ த్ͳͱ͜ΖͰϨϯμϦϯά͕ଧͪΒΕͯ͠·ͬͨΓ͢Δ
Կඵ·ͰͳΒͬͯ͘ΕΔͷ͔ʁ IUUQTNFEJVNDPN!MNVHOBJOJTQBBOETFPJTHPPHMFCPUBCMFUP SFOEFSBTJOHMFQBHFBQQMJDBUJPOGFBC ৄࡉʹݕূͯ͘͠Εͨํ͕͍ͨͷͰύΫΓ݁ՌΛ͓आΓ͠·͢ લఏ &MNͰͰ͖ͨ41"αΠτ QVTI4UBUFͰϖʔδΛมߋ͍ͯ͠Δ
Կඵ·ͰͳΒͬͯ͘ΕΔͷ͔ʁ ݕূ༰ ҎԼͷ̏ύλʔϯΛΞοϓσʔτ͢Δ͜ͱʹΑͬͯλΠϜΞτʹ͔͔Δ࣌ؒͷݕূ ࣌ؒͷදه UJUMF EFTDSJQUJPO ϖʔδͷςΩετ ຖඵมԽ
5ZQF" ඵͷEFMBZΛ࣋ͬͨϦΫΤετ 5ZQF# ඵͷEFMBZޙʹϦΫΤετ
Կඵ·ͰͳΒͬͯ͘ΕΔͷ͔ʁ ݕূͷ֬ೝํ๏ 'FUDIBT(PPHMFͱl/BUVSBMzͳ(PPHMFͷΠϯσοΫεͰ֬ೝ͢Δ
Կඵ·ͰͳΒͬͯ͘ΕΔͷ͔ʁ ݁Ռ 'FUDIBT(PPHMFͰඵͬͯ͘ΕΔ l/BUVSBMzͳ(PPHMFCPUͰඵͬͯ͘ΕΔ ˞ͪͳΈʹવͷ͜ͱͳ͕Β(PPHMF͕ͲΜͳڥ ճઢϚγϯύϫʔ ͰϨϯμ Ϧϯά͍ͯ͠Δͷ͔ෆ໌Ͱ͢ɻ
Կඵ·ͰͳΒͬͯ͘ΕΔͷ͔ʁ தͷਓͷ͓ݴ༿ˏ+BWB4DSJQU4JUFTJO4FBSDI8PSLJOH(SPVQ CZ+PIO.VFMMFS
ٙλΠϜΞτͨ͠ΒΠϯσοΫεͯ͘͠Εͳ͍ͷ͔ʁ ઌ΄Ͳͷݕূ͕͍ࣔͯ͠Δ௨ΓλΠϜΞτͯ͠ɺͦΕ·ͰʹϨϯμϦϯάͨ͠ ͷʹؔͯ͠ΠϯσοΫε͞Ε͍ͯΔɻ ͓ͦΒ͘Ұ1BJOUʹࢸΔ·ͰʹλΠϜΞτΤϥʔ͕ى͖Δͷ͕ذͳͷͰɻ ˞ະݕূͷԾઆͰ͢ɻࢀߟఔʹཹΊ͍ͯͩ͘͞ɻ GSBNF
՝ϝλใαʔό͔Βฦ࣌͢Ͱ)5.- ʹؚ·Ε͍ͯΔඞཁ͕͋Δ ͦͦ+4Λ࣮ߦͯ͘͠Εͳ͍ͷͰɺ αʔό͔Βฦͬͯ͘Δ࣌Ͱ)5.-ʹؚ·Ε͍ͯͳ͍ͱղऍͯ͘͠Εͳ͍ ͪͳΈʹ".1ͩͱϝλใʹݶΒͣશͯαʔόଆͰඳը͢Δඞཁ͕͋Δ ❌
՝3FOEFS2VFVFʹΑΔΠϯσοΫεͷԆ +4Λ࣮ߦ͢ΔαΠτ)5.-͚ͩͷ੩తͳαΠτͱҟͳΓɺ͙͢ʹΠϯσοΫε͞ΕΔ༁Ͱͳ͘ɺ Ұ3FOEFS2VFVFͱ͍͏ͷʹॲཧ͕Ҡৡ͞ΕΔ
IUUQTXXXZPVUVCFDPNXBUDI W:1U.#IZ6* ि͔͔ؒΔ͜ͱʂ ͳͷͰίϯςϯπͷߋ৽͕සൟͳαΠτͰʹͳΔ
ͪͳΈʹʜ͜ΕΒͷ՝ʹ Ͳ͏ߟ͍͑ͯΔͷͰ͠ΐ͏͔ʁ
IUUQTXXXZPVUVCFDPNXBUDI W:1U.#IZ6*
ʮ$ISPNF૬ͷϨϯμϦϯάΤϯδϯʯͱ ʮ3FOEFS2VFVFʹΑΔΠϯσοΫεͷԆʯ ʹؔͯ͠কདྷతʹղܾ͞Εͦ͏
·ͱΊ 41"Ͱ4&0ͷΛ࡞ΔͨΊʹ࣍ͷ՝Λೝࣝ͢Δ (PPHMFѻ͏ϨϯμϦϯάΤϯδϯͷੑೳ$ISPNF૬ λΠϜΞτʹΑΓ ͦͦΠϯσοΫε͞Εͳ͍ ෆશͳใ͕ΠϯσοΫε͞Εͯ͠·͏ ϝλใαʔόଆͰϨϯμϦϯά͢Δඞཁ͕͋Δ
3FOEFS2VFVFʹΑΔΠϯσοΫεͷԆ
ͲΜͳղܾࡦ͕ ͋Δͷ͔ 03.
$ISPNFͰϨϯμϦϯάͰ͖ΔΑ͏ʹ͢Δ 5IBOLZPV ղܾ͍ͯ͠Δ՝+4͕(PPHMFʹΤϥʔͳ࣮͘ߦͰ͖ΔΑ͏ʹ͢Δ
$ISPNFͰϨϯμϦϯάͰ͖ΔΑ͏ʹ͢Δ ςετͷํ๏'FUDIBT(PPHMF https://www.google.com/webmasters/tools/googlebot-fetch?hl=JA ˝੍ݶ͕ͪΐͬͱ͚ͩݫ͍͠ ճ·Ͱ ݱࡏ ˝ݪҼෆ໌ͷΤϥʔͰ͑ͳ͘ͳͬͨΓ͢Δ άάͬͯղܾࡦ͕ʮͪ·͠ΐ͏ʯ
$ISPNFͰϨϯμϦϯάͰ͖ΔΑ͏ʹ͢Δ ςετͷํ๏QVQQFUFFSͰΤϛϡϨʔτͰ͖Δ IUUQTXXXTV[VLJLFOJDIJDPNCMPHGPVSXBZTUPEFCVHHPPHMFCPUTSFOEFSJOH IUUQTHJUIVCDPN(PPHMF$ISPNF-BCTQVQQFUFFSFYBNQMFT
ҙ • QPMZpMMΛ͔͚Δ͜ͱʹΑͬͯϑΝΠϧαΠζΒΈ·͢ɻ • ͜ΕʹΑΓλΠϜΞτͷϦεΫ͍͘Β͔૿͑·͢ɻ
ϝλใ͚ͩ443 *OEFYIUNM ϒϥβ ϝλใͷ෦͚ͩ 63-ʹԠͯ͡ॻ͖͑ ϝλใ͑͞ө͞ΕΕʜͦΜͳϛχϚϜͳରԠΛ͍ͨ͋͠ͳͨʹɻ
%ZOBNJD3FOEFSJOH QSFSFOEFS IUUQTEFWFMPQFSTHPPHMFDPNTFBSDIEPDTHVJEFTEZOBNJDSFOEFSJOH QSFSFOEFSJP SFOEFSUSPO
QSFSFOEFSJPͷྫ Prerender Service Google bot ? (UserAgentͰఆ) :FT DBDIF͞Εͯͳ͍ )FBEMFTT$ISPNF
DBDIF͞ΕͯΔ /P JOEFYIUNMͱ+4ฦ͢ DBDIF DBDIF͢Δ
%ZOBNJD3FOEFSJOH QSFSFOEFS IUUQTXXXZPVUVCFDPNXBUDI W1'X6CHWQEB2 (PPHMF*0ʹͯ ଟ ॳΊͯ ʮ%ZOBNJD3FOEFSJOHʯ ͱ͍͏໊લ͕͍ͭͨɻ
(PPHMF͓͖ͷख๏ɻ
ΫϩʔΩϯάʹ͍ͭͯ ϒϥοΫϋοτ4&0ͷҰͭɻCPUͱϢʔβʹҧ͏ίϯςϯπΛฦ͢͜ͱΛࢦ͢ όϨΔͱϖφϧςΟ͕ՊͤΒΕΔ Σϒ αΠτ Google bot Ϣʔβ
ΫϩʔΩϯάʹ͍ͭͯ 'FUDIBT(PPHMFͰݟΕΔ௨Γ(PPHMFͳΜΒ͔ͷํ๏ͰϢʔβ͕࣮ࡍʹݟΔ ը໘Λ࠶ݱ͍ͯ͠ΔɻΘ͟Θ͟(PPHMF͕ࣗ%ZOBNJD3FOEFSJOHΛਪ͍ͯ͠ Δ͜ͱ͔Βɺ6"Ͱग़͚͍ͯͯ͋͠ΔఔಉҰͳΒେৎͳͣ ଟ ɻ
·ͩհ͍ͯ͠ͳ͍ख๏͋Γ·͕͢ɺ ର4&0ʹؔͯ͜͠ͷ%ZOBNJD3FOEFSJOH͕万能ͷιϦϡʔγϣϯͰ͢ɻ $ISPNF λΠϜΞτ ϝλใ 3FOEFS2VFVF
ˠͦͦ+4࣮ߦ͠ͳ͍ ˠΩϟογϡ͔Βฦ͢ͷͰແ ˠαʔόଆͰඳը͢ΔͷͰ0, ˠ+4࣮ߦ͠ͳ͍ͷͰ3FOEFS2VFVFʹೖΒͳ͍
4UBUJD4JUF(FOFSBUPS ࣄલʹ)5.-Λੜ 3FBDU7VFͳͲͷ41"ϥΠϒϥϦͰߏங
࣍ͷΑ͏ͳͷ͚ͩΫϥΠΞϯταΠυʹͤΔͱ͔Ͱ͖ΔͷͰΣϒΞϓϦʹҰ෦͏ ͱ͔Ͱ͖Δɻ ɾϩάΠϯͨ͠ϢʔβͷΈݟΒΕΔ ɾϢʔβΧελϚΠζ͞ΕͨϨίϝϯυΛग़͢ ݸਓతʹ4&0͍ͨ͠ϖʔδͰೝূ͕ඞཁͳϖʔδ΄΅΄΅ͳ͍ͱࢥ͏ͷͰɺ৽نϢʔβ ͕ྲྀೖ͢Δͱ͜Ζ͚ͩ44(Ͱ࡞ͬͯɺ࣮Ϣʔβʹର͢Δମݧ্Λࢦͭͭ͠4&0ͷ ࡞ΕΔଧͪखͱͯ͠ࠓޙΓ্͕͍͖ͬͯͦ͏ͳ༧ஹΛײ͍ͯ͡·͢ɻ(BUTCZ͍͍ͨɻ
443 4FSWFS4JEF3FOEFSJOH ϒϥβ αʔόଆͰ+4Λ࣮ߦͯ͠ )5.-Λੜ
ҙ443ͰλΠϜΞτ͋ΓಘΔ Φνʔϊ༷ͷࣄྫ IUUQTEFWFMPQFSTPVDDJOPDPNFOUSZ Rails+ReactͳSPAαΠτͰSEOΛ͠Α͏ͱͯ͠Ϳ͔ͭͬͨน
ཁٻύλʔϯ͝ͱͷ ղܾࡦͷબͼํ 04.
࣍ͷ3ͭͷ͍Λߟ͑·͠ΐ͏ 1 ΠϯσοΫεʹ৴པੑΛٻΊΔ͔ 2 ϝλใͷରԠ͕ඞཁ/ෆཁ (ΠϯσοΫε͞Εͳ͍͍ͯ͘͠OGPͱ͔Ͳ͏Ͱ͍͍ਓಛʹͳʹ͠ͳ͍͍ͯ͘Ͱ͢ɻ) 3 සൟʹߋ৽͞ΕΔ & ͙͢ʹΠϯσοΫεͯ͠΄͍͔͠Ͳ͏͔
ΠϯσοΫεʹ ৴པੑΛٻΊΔ͔ ϝλσʔλ/ߏԽσʔλ ͷରԠ͕ඞཁ සൟʹߋ৽͢Δ ͦ͏Ͱͳ͍ ͏Ή Chrome 41ରࡦͷΈ Chrome
41ରࡦ + head͚ͩSSR ͦ͏Ͱͳ͍ Dynamic Rendering or Static Site Generator or SSR Dynamic Rendering ͏Ή ͦ͏Ͱͳ͍ ͏Ή ͕͞Γͳ͍ʂ Dynamic Rendering + Static Site Generator or SSR
$ISPNF λΠϜΞτ ϝλใ 3FOEFS 2VFVF ίετ ࣮ɾ ϝϯςφϯε ϫΫϫΫײ
$ISPNF ରࡦ ⭕ ❌ ❌ ❌ ϝλใͷΈ 443 ❌ ❌ ⭕ ❌ %ZOBNJD 3FOEFSJOH ⭕ ⭕ ⭕ ⭕ த 4UBUJD4JUF (FOFSBUPS ⭕ ⭕ த ߴ 443 ⭕ ⭕ ߴ ߴ
͍ͨΜ ͔ΜͨΜ ΠέͯΔ Πέͯͳ͍ ˞ݸਓͷݟղͰ͢ Dynamic Rendering SSG SSR Chrome41
ରࡦ ϝλใ SSR
͓ΘΓʹ݁ہ443ඞཁෆཁ 4&0؍͚ͩͰݴ͑ෆཁɻ ࣮͕%ZOBNJD3FOEFSJOHΑΓίετ͕ߴ্͍ʹɺ࡞ΓํʹΑͬͯλΠϜΞ τ3FOEFS2VFVFͷϦεΫ͕͋Δɻ ͳͷͰ443ΛબͿࡍʹଞͷύϑΥʔϚϯεͳͲͰͷ؍͕ओͱͳΔͱࢥ͍·͢ɻ ྫ͑ɺϢʔβೝূ͕ඞཁͳ෦Ͱͷ'.1ͷ࠷దԽ͕Ͱ͖Δ͜ͱ͕Ϗδωεత ʹॏཁͰ͋Εɺ༗ྗͳબࢶͱͳΓ·͢ɻ ·ͨɺͨΓલͰ͕͢ɺҰ͔ͭ͠બͳ͍ͱ͍͏༁Ͱͳ͍ͷͰɺཁٻʹΑͬͯ %ZOBNJD3FOEFSJOH 443ͱ͍͏ߏࢹʹೖΔͷ͔ͳͱࢥ͍·͢ɻ
͞Βʹ͍͞͝ʹϢʔβʹͱͬͯʮ͍͍ͷʯΛ࡞͍ͬͯ͜͏ ʮFirst and foremost, we focus on the user.ʯ IUUQTXXXCMPHHPPHMFQSPEVDUTTFBSDIJNQSPWJOHTFBSDIOFYUZFBST
神は云った。
͞Βʹ͍͞͝ʹϢʔβʹͱͬͯʮ͍͍ͷʯΛ࡞͍ͬͯ͜͏ ٕज़తͳ੍͔ΒࠓճͷΑ͏ͳzରࡦzΛ͋Δఔ͠ͳͯ͘ͳΒͳ͍ͷ͔֬ Ͱ͕͢ɺͦΕҎ֎ʮϢʔβʹྑ࣭ͳίϯςϯπΛఏڙ͢Δ͜ͱʯ͕4&0ͷ ίΞͱͳͬͯ͘Δ͜ͱؒҧ͍ͳ͍Ͱ͠ΐ͏ɻ (PPHMFͷʮ%POUCFFWJMʯΛ৴͡·͠ΐ͏
Thank you for listening!!
6TFGVM3FTPVSDFT +4TJUFͷ4&0ใ <+BWB4DSJQU4JUFTJO4FBSDI8PSLJOH(SPVQ> IUUQTHSPVQTHPPHMFDPNGPSVNGPSVNKTTJUFTXH <:PV5VCF(PPHMF8FCNBTUFS> IUUQTXXXZPVUVCFDPNVTFS(PPHMF8FCNBTUFS)FMQ <ւ֎4&0ใϒϩάւ֎ͷ4&0ରࡦͰۃΊΔΞΫηεΞοϓज़> IUUQTXXXTV[VLJLFOJDIJDPNCMPH
͜ͷαΠτϚδͰ͍͢͝Ͱ͢ɻଚܟͱײँ͔͠ͳ͍Ͱ͢ɻ %ZOBNJD3FOEFSJOH <)FBEMFTT$ISPNFBOBOTXFSUPTFSWFSTJEFSFOEFSJOH+4TJUFTc5PPMTGPS8FC%FWFMPQFSTc (PPHMF%FWFMPQFST> IUUQTEFWFMPQFSTHPPHMFDPNXFCUPPMTQVQQFUFFSBSUJDMFTTTS
6TFGVM3FTPVSDFT (PPHMFͷϨϯμϦϯάࣄ <(PPHMFݕࡧͰͷϨϯμϦϯάcݕࡧc(PPHMF%FWFMPQFST> IUUQTEFWFMPQFSTHPPHMFDPNTFBSDI EPDTHVJEFTSFOEFSJOH <41"BOE4&0(PPHMF (PPHMFCPU QSPQFSMZSFOEFST4JOHMF1BHF"QQMJDBUJPOBOEFYFDVUF"KBYDBMMT> IUUQTNFEJVNDPN!MNVHOBJOJTQBBOETFPJTHPPHMFCPUBCMFUPSFOEFSBTJOHMFQBHF
BQQMJDBUJPOGFBC ϝλใͷ443 <("ʹͳͬͨ-BNCEB!&EHFΛͬͯ41"Λ443ແ͠Ͱ0(1ͱ͔ʹରԠͤͯ͞ΈΔ> IUUQTRJJUBDPNLJJEB JUFNTFGGEEC <-BNCEB!&EHFr*OUFMMJHFOU1SPDFTTJOHPG)5513FRVFTUTBUUIF&EHFc"84/FXT#MPH> IUUQT BXTBNB[PODPNKQCMPHTBXTMBNCEBFEHFJOUFMMJHFOUQSPDFTTJOHPGIUUQSFRVFTUTBUUIFFEHF
6TFGVM3FTPVSDFT 4UBUJD4JUF(FOFSBUPS <αʔόʔαΠυͷਓʹ͍͑ͨ+".4UBDLͱ੩తαΠτͷΠϚNPUUPYCMPH> IUUQTNPUUPYDPN QPTUT OPDBDIF
6TFGVM3FTPVSDFT ࣄྫ <3BJMT 3FBDUͳ41"αΠτͰ4&0Λ͠Α͏ͱͯ͠Ϳ͔ͭͬͨนΦνʔϊ։ൃऀϒϩά> IUUQT EFWFMPQFSTPVDDJOPDPNFOUSZ <443ແ͠ͷ3FBDUɾ"OHVMBSͷ41"αΠτ(PPHMFCPUʹͲΕ͘Β͍ೝࣝ͞ΕΔͷ͔ʁจܥϓϩάϥϚʹΑ Δ5*14ϒϩά> IUUQTXXXCVOLFJQSPHSBNNFSOFUFOUSZ
<αʔόϨεΞʔΩςΫνϟ 41"Ͱ443ͳ͠ͷ4&0ରࡦͨ͠4QFBLFS%FDL> IUUQT TQFBLFSEFDLDPNNBUTOPXTBCBSFTVBLJUFLVUJZBQMVTTQBEFTTSOBTJGBMTFTFPEVJDFTJUBIVB TMJEF