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How Casper shaved 1.7 seconds off by self-hosting Optimizely
We recently deployed a change to that loaded a piece of 3rd party JavaScript from our own server instead of the vendor’s server. This change shaved 1.7 seconds off of the start render time...
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The Telegraph
Improving third-party web performance at The Telegraph
We use SpeedCurve and have found it invaluable to help pinpoint potential problems along the way. The dashboards they offer around JavaScript usage and third-parties remind us to keep a record of where we’ve come from and where we need to be...
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Marks & Spencer
How PerfOps is revolutionising performance at Marks & Spencer
In this talk, Andy shares Marks & Spencer’s performance journey, what they learned along the way, and where they plan to go from here...
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