Writing
Blog
Notes on performance scores, what Lighthouse actually measures, and building PafCore in the open. Newest first.
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Why your Lighthouse score changes when you did nothing
Three quiet runs. Learn the gap. Stop celebrating a lucky Lighthouse screenshot as proof the fix worked.
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Why I am building PafCore
People pay for speed work. They still guess if it worked. The gap I am closing with a free report that names the slow file.
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Why a performance score is not enough
A number out of 100 can tell you the page is slow without telling you what to change, or whether the change you made actually helped.
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How the Lighthouse score is actually calculated
Which five things carry marks, how a timing becomes points, and why fixing a slow page often wins you nothing.