Answering a subject access request in one command
The best possible answer to "what do you hold about me" is a short, checkable explanation of why the question has no rows behind it.
Read it Answering a subject access request in one commandcaching
8 articles carry this tag.
Scroll depth without a fingerprint
You can learn how far down a page people read without knowing anything about who they are.
Read it Scroll depth without a fingerprintThe cost of an analytics request
Third-party analytics is rarely one request. It is a DNS lookup, a TLS handshake, a redirect and a script that fetches another script.
Read it The cost of an analytics requestAttribution models, briefly
Every attribution model is wrong. Some of them are wrong in a way that is stable enough to compare one month against the next.
Read it Attribution models, brieflyDesigning an admin screen nobody has to learn
The best compliment a reporting screen can get is that somebody found what they wanted without being shown where it was.
Read it Designing an admin screen nobody has to learnSampling, sketches and the ±1.6%
Counting distinct visitors exactly means keeping a list of them. A sketch answers the same question from a few kilobytes that cannot be interrogated.
Read it Sampling, sketches and the ±1.6%The case against storing referrer URLs
The hostname tells you where traffic comes from. The full URL tells you that, plus a pile of things you did not ask for and cannot safely keep.
Read it The case against storing referrer URLsWhat a rotating salt actually protects
Rotating a salt every twenty-four hours sounds like housekeeping until you work out which questions it makes permanently unanswerable.
Read it What a rotating salt actually protects