Research
passage-level optimization: writing for the way machines read
Search engines ranked pages. Generative engines quote passages. That single shift rewrites the craft of web writing, because a page is no longer judged as a whole but as a collection of fragments, each of which must survive being read alone. Here is the discipline, mechanically justified.
every section is an audition
Retrieval systems split your page into chunks and score each chunk against the question independently. A chunk that begins with throat-clearing loses to a chunk that begins with the answer. So open every section with its conclusion, then support it. If a section cannot say what it is for in its first sentence, it is two sections, or none.
name the subject, kill the pronouns
A passage lifted out of context must still make sense. If your paragraph says it reduces costs by improving matching, the retrieval system has to guess what it is, and guessing costs relevance. Passages that name their subject, the product, the method, the company, travel intact. This is why well-written FAQ answers get quoted so often: the question supplies the context and the answer restates it.
keep claims and evidence together
The KDD 2024 GEO study found that statistics, quotations and cited sources each independently raised a source's share of AI answers by tens of percent. The mechanism is simple: a passage containing a claim, its number and its source is safe to quote as-is, while a claim whose evidence lives three paragraphs away is not. Write the fact, the figure and the attribution in the same breath.
structure is part of the content
Question-shaped headings, short sections, lists where lists are honest, schema markup where it fits: all of it helps a machine segment and label your meaning. The same study's fluency finding, roughly 28 percent visibility gains from nothing but clearer prose, says the biggest structural upgrade is often just plainer sentences.
the honest catch
Passage discipline cannot rescue a page with nothing to say, and over-fragmenting harms human readers, whose trust is still the point. Write for a person first, then check each section survives solitary confinement. When the two conflict, the person wins, and the conflict is rarer than it looks.
Common questions
Does this mean long articles are dead?
- No. Long pieces do well when built from self-contained sections, because they field candidates for many sub-questions at once. Length is fine; sprawl is not.
How do I audit an existing page?
- Read each section alone, out of order. If any section cannot tell you its subject and its point unaided, rewrite its opening sentence. An afternoon of this often beats months of new content.
Do lists and tables help retrieval?
- When the content is genuinely list-shaped, yes: they pre-segment meaning. Decorating prose as lists to look optimized adds nothing and reads worse.
Tom Claydon
Co-founder of Nudge
Ask Tom anything about search, he answers on WhatsApp.