Improving third-party web performance at The Telegraph

At The Telegraph we’re currently going through a process of rebuilding our public-facing website. This gives us the opportunity to take learnings from the existing build but also write some of the code from scratch. You can see our progress so far on pages such as Gaming and Culture. We can monitor the impact this has on metrics across usability, performance and accessibility. We’re incredibly pas

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サードパーティスクリプトの扱いを改善してパフォーマンス改善する話。 SpeedCurveのSyntheticとRUMでのモニタリングや何を指標にしたかやサーバサイドでTag Manerの展開してCDNに乗せる話など