Any hints and tips working on a large sites with Adverts (and javascript in general)

csswizardry / ama

Ask me anything!

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Closed matt-harris closed 5 years ago

matt-harris commented 7 years ago

Hey Harry,

Was wondering if/how you have dealt with the performance of Adverts on large sites you have worked on?

Also, any tips on how you profile a sites scripts to find (if any) are blocking rendering.

cheers

csswizardry commented 5 years ago

Hey!

Sorry I missed this and took over two years to respond…

Always make sure ads (and all third parties, really) are loaded asynchronously where possible.
preconnect any key third party origins.
See my entire talk about this stuff! It’s My (Third) Party, and I’ll Cry if I Want To