First Byte: ϖʔδͷμϯϩʔυ։࢝࣌ؒ • Page Weight (byte) -ϖʔδͷαΠζ • ϖʔδಡΈࠐΈྃͷࢦඪ • FCP (s) -First Contentful Paint : ࠷ॳͷ”ίϯςϯπ”͕දࣔ͞Εͨ࣌ؒ • LCP (s) - Largest Contentful Paint: ࠷େͷ”ίϯςϯπ”ͷදࣔ࣌ؒ • Speed Index (s) - ϖʔδͷදࣔྃΛՃຯͨ͠දࣔ࣌ؒ • ϖʔδͷԠੑͷࢦඪ • FID (s) - First Input Delay: ࠷ॳͷૢ࡞ՄೳʹͳΔ·Ͱͷ࣌ؒ • TTI (s) - Time to Interactive: ૢ࡞ՄೳʹͳΔ·Ͱͷ࣌ؒ • TBT (s) - Total Blocking Time: FCPͱTTIͷ߹ܭ • INP (s) -Interaction to Next Paint: ϖʔδ্ͷͯ͢ͷΠϯλϥΫγϣϯޙͷ࣍ͷඳը·Ͱͷ࣌ؒͰ࠷͍࣌ؒ • ࢹ֮త҆ఆੑͷࢦඪ • CLS (ແ୯Ґ) - ϖʔδͷදࣔதʹى͖ͨίϯςϯπͷζϨͷࢦඪ 10 ίϯςϯπ ςΩετɺը૾ എܠը૾ΛؚΉ ɺTWH ཁૉɺനҎ֎ͷDBOWBTཁૉͷ͜ͱ https://web.dev/metrics/