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It’s easy for a website’s performance to degrade over time. Trying to keep up with the competition through innovation rarely affords the time to tune and optimize and, often times, organizations struggle with balancing performance technical debt with their day-to-day operations...

French retailer LeroyMerlin shares how they use a combination of RUM and synthetic monitoring – including performance budgets and alerts – to keep their entire team up to speed...

We recently deployed a change to casper.com 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...

By keeping to performance budgets throughout the entire project, we’ve produced the fastest feature-rich theme in the Shopify Theme Store...

In this talk, Andy shares Marks & Spencer’s performance journey, what they learned along the way, and where they plan to go from here...

Wehkamp are using performance budgets, the Status dashboard and Slack alerts to stay on top of site changes and make sure they catch performance issues when they.....

Farfetch analyzed more than 1M pageviews and found that conversion rate decreased 2.7% for each additional second of TTI on mobile, and 2.1% on desktop.....

We love how SpeedCurve addresses performance budgets, which have been helping us achieve our goals...

How to use SpeedCurve to do A/B testing – in this case, testing the impact of custom font usage on bounce rate...