Needles in Haystacks: Working Together to Find Performance Problems Using RUM

Nov 13, 2024 | Performance.sync() Meetup in Amsterdam

Real User Monitoring (RUM) is key to find problems on a site and watch for regressions — and doing so is hard enough. But what if you have to monitor hundreds or thousands of websites? It takes a team of experts to build the right tools to do that.

Slides as PDF

Main Takeaways

Find needles before looking in haystacks: Use A/B testing and specific incidents to determine identifiers
Make sure your haystacks are big enough: If data is too spotty, consider larger aggregates
Burn the straw man: Let people tear your work apart — and see what remains standing
Sometimes a needle may poke you in the bum: Embrace serendipity when you share and collaborate with others