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How to optimize images for Better Web Design
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Masateru YOSHIMURA
October 30, 2020
Technology
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2.1k
How to optimize images for Better Web Design
Webで使う画像について
Masateru YOSHIMURA
October 30, 2020
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Transcript
8FCͰ͏ը૾
8FCαΠτͰը૾Λ͏ཧ༝ ᶃ ݟ͕ͨ՚͔ʹͳΔ ᶄ ༰͕Θ͔Γ͘͢ͳΔ ͭ·Γɺ͍͑ͨ͜ͱ͕ΘΓ͘͢ͳΔɻ
8FCͰը૾Λ͏ͱ͖ͷҙ ᶃ σʔλྔͰ͖ΔݶΓখ͘͞ʢ͍ܰʣ ˠେ͖͍ͱද͕ࣔ͘ͳΔʢॏ͘ͳΔʣɺ ɹར༻ऀʹ௨৴ෛՙΛ͔͚ͯ͠·͏ʢύέࢮʣ ᶄ ྑ͍ը࣭Ͱදࣔ͢Δ ˠσʔλྔͱͷόϥϯεΛΈͳ͕Β ɹ༻్ʹԠͯ͡࠷దԽ͢Δඞཁ͕͋Δ
ಡΈํ ֦ுࢠ ը࣭ ಁա ༻్ +1&( δΣΠϖά KQH ྼԽ͢Δ ಁաͰ͖ͳ͍
ࣸਅ 1/( ϐϯά .png ྼԽ͠ͳ͍ ಁաͰ͖Δ ϩΰɺਤͳͲ ৭͕গͳ͍ͷ 8FCͰ͏ը૾ͷछྨ ͦͷ΄͔8FC147(ɺ(*'ͳͲͷܗ͕ࣜ͋Δ͕ɺ͜ͷतۀͰѻΘͳ͍ɻ ͜ͷतۀͰࣸਅΛ͏ࣄ͕ଟ͍ͷͰɺ+1&(ܗࣜΛ͏͜ͱ͕ϝΠϯͱͳΔɻ কདྷతʹ8FC1͕ελϯμʔυͳܗࣜʹͳΔͱݴΘΕ͍ͯΔɻ ࣸਅΛ1/(ܗࣜʹ͢Δͱ σʔλྔ͕େ͖͘ͳΔέʔε͕ଟ͍ͨΊ ࣸਅΛ1/(ܗࣜʹ͠ͳ͍͜ͱʂ
ը૾αΠζͷ࠷దԽ ෯ QYߴ͞ QYσʔλྔ.# ෯ QYߴ͞QY σʔλྔ,# ύιίϯεϚϗͷϞχλͰ ͜ͷαΠζͰे͖Ε͍ʹݟ͑ΔͷͰ খ͔ͯ͘͞͠Βར༻͢Δ
J1IPOFͰࡱӨͨ͠ΦϦδφϧͷαΠζ ͜ͷ߹ σʔλྔ ʹ ϊʔτ1$ͷը໘෯ QYલޙ ॖখ͢Ε
ʁͳ͜ͱ(PPHMFݕࡧͰ ͍͍ͩͨղܾͰ͖Δ 8FC༻ͷը૾ʹ͍ͭͯɺ8FC্ʹେྔͷใ͕͋Γ·͢ɻ (PPHMFͰݕࡧ͠ɺ͑ΛࣗͰݟ͚ͭग़ͤΔΑ͏ʹ͠·͠ΐ͏ɻ ࣗͰղܾͰ͖ΔΑ͏ʹͳΔͱɺࣗश͕ḿΓϝΩϝΩͱ্ୡ͠·͢ɻ