The durable fundamentals that survive every algorithm update, in a checklist you can run against any site.
Chase fundamentals, not the latest update
Most SEO anxiety comes from chasing the most recent algorithm change, which is usually the least durable thing to optimise for. The fundamentals barely move, and they are where the leverage lives.
This checklist deliberately ignores the trend of the month. Everything on it has survived years of updates because it reflects how search actually works, not how it was rumoured to work last quarter.
Make the site easy to read for machines
A search engine cannot rank what it cannot reach or understand. Clean crawl paths, sensible structure and honest markup do more for visibility than any clever tactic layered on top.
We start every audit here because it is the part that quietly caps everything else. No amount of content strategy rescues a site that is hard to crawl.
Durable beats clever
Clever SEO tactics have a half-life. The durable ones do not, which is why this list reads as almost dull. Dull, in this context, is a compliment.
Run it against any site and you will find the gaps that actually matter, the ones still worth fixing a year from now.