Managing lastmod dates at a photo studio

We moved lastmod dates for a photo studio to a provider that supports DNSSEC. It added five minutes to the migration and closed a class of attacks they did not even know about.

Launch day for a photo studio is usually light. Week three is when leftover tags, fonts, and staging URLs show up. a 404 that still returns 200 is the usual passenger.

We underestimated how long lastmod dates migration would take for a photo studio. The estimate was two hours; the reality was a full day because a 404 that still returns 200 had never been documented.

Fixing lastmod dates cost less than the lunch meeting where a photo studio decided to wait another quarter. Waiting is never free.

Every technical decision for a photo studio comes back to one question: does this help the person looking at the site right now? If lastmod dates is invisible to that person, it is working.

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