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数字が導く洞察:Webパフォーマンスとビジネス指標の相関を探る / Insights Driv...

数字が導く洞察:Webパフォーマンスとビジネス指標の相関を探る / Insights Driven by Numbers: Exploring the Correlation Between Web Performance and Business Metrics

Webパフォーマンスとビジネス指標の相関を可視化する仕組みを社内に提供しています。本セッションでは、取り組みから得られた洞察やWebパフォーマンス改善のヒントを紹介します。

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  1. 1SPGJMF Name: Takuya Tonaru Departments: - Web performance team -

    o11y trace team Histories: Previous: - LTE base station - Air Traffic Surveillance Current: - APM Platform - Alerting Platform
  2. Core Web Vitals Google: 2017 (reference) Rakuten 24: 2022(reference) “Core

    Web Vitals increased revenue per visitor by 53.37% and conversion rate by 33.13%”
  3. 1500ms 2000ms 3000ms LCP CVR • The distribution appears to

    follow a log-normal pattern. • While 2.5s is the CWV threshold, aiming for 1.5s or faster can lead to stronger conversion impact. -$1 $PSSFMBUJPOXJUI$73 *OTJHIUTGSPN0VS"DUVBM%BUB 1000ms 2500ms LCP under 2.5s = good (Core Web Vitals)
  4. -$1 $PSSFMBUJPOXJUI$73 *OTJHIUTGSPN0VS"DUVBM%BUB LCP CVR 2000ms 3000ms 1000ms • No

    clear correlation with conversions • Pages that are not important in the user journey • The sample size is insufficient
  5. -$1 $PSSFMBUJPOXJUI#PVODF&YJU *OTJHIUTGSPN0VS"DUVBM%BUB LCP Bounce/Exit 2000ms 3000ms 1000ms • Performance

    may not correlate with conversions, but often does with bounce or exit rates.
  6. $-4*/1 $PSSFMBUJPOXJUI$73 *OTJHIUTGSPN0VS"DUVBM%BUB CLS CVR INP CVR • CLS and

    INP show weaker correlation compared to rendering metrics. • In our case, CLS is usually stable, and moderate INP improvement is enough—what matters more is rendering after user input. 1000ms 500ms 0.2 0.1
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