AI Optimization
What machines actually read on a page
Not what a person sees. The gap between the two is where most AI optimization work is either wasted or never started.
The page a system gets
A person arrives with a browser that runs scripts, accepts cookies, waits for fonts, and interprets layout as meaning. A retrieval system frequently has none of that. It gets a document, and often a partial one.
This gap is the reason so many businesses are confident and invisible simultaneously. The site is genuinely good. The version being read is not the version being reviewed.
What survives the trip
Text in the initial response. The most reliable thing on any page. If a claim matters, it should exist in the markup that arrives before anything executes.
Semantic structure. Headings that describe sections, lists that are lists, tables that are tables. Structure carries meaning cheaply, and a wall of styled divs carries none.
Link text. What a link says is a statement about its destination. "Click here" makes that statement empty, repeated across a site.
Structured data. Explicit machine-readable statements about what the page describes. Useful when accurate and actively harmful when it contradicts the visible page.
The test: load your most important page with scripting disabled. What remains is roughly what a retrieval system receives. If your value proposition is not in it, no amount of AI optimization elsewhere will compensate.
What usually does not survive
Content that appears only after interaction. Text rendered into images, including a surprising number of pricing tables and comparison charts. Meaning carried purely by visual arrangement, such as proximity, colour, or an ordering that is obvious to the eye and invisible in markup. And anything behind a consent wall that a system cannot dismiss.
The alt text point that is not about accessibility
An image without alt text is not neutral in this context, it is absent. Diagrams, charts and product photographs frequently carry information that exists nowhere else on the page, and where that is true the alt text is the only version of it that will ever be read. The accessibility argument came first and is sufficient on its own. This is a second, independent reason.
Why writing for machines is the wrong instruction
Everything above improves the page for people too. Text that exists in the initial response loads faster. Semantic structure helps screen readers. Descriptive link text is easier to scan. AI optimization done properly is not a separate layer bolted onto a page: it is the removal of things that were obscuring what the page already said.