boilerplate
The text that appears on most pages of a site: navigation, footer, cookie notice, sidebar.
What boilerplate does not show
It puts a floor under every duplicate-content comparison, so it must be removed before pages are compared, and it inflates a page's word count without adding anything an engine would quote.
Where boilerplate comes up on this site
- Do AI crawlers and agents render JavaScript?If what comes back is navigation and boilerplate while the substance is missing, that substance is being assembled in the browser and does not exist for a client that does not run one.
- Text-to-HTML ratio: when a page is mostly codeA parked domain with 800 words of boilerplate has an excellent ratio, which we covered in a parking page that defeats every thin-content check .
- LLMs ignored our schema and still identified us: what actually got readIt is not a bug in either product — it is what boilerplate stripping means, and <head> is boilerplate by every reasonable definition.
- agents.md template inheritance: is the file on your domain yours?So boilerplate is found by comparing the same file across unrelated sites, not from a hand-kept list that would rot the week a platform edits its template.
- llms.txt adoption rate: how many sites actually publish oneText-extraction pipelines that sit between a website and a model routinely discard the whole of <head> as boilerplate — which is where nearly all structured data is published, because that is where the documentation puts it.
Definitions that name boilerplate
Related terms in Indexing and discovery
Whether a page can be found and kept, separately from whether it can be fetched.
index coverage · canonical · noindex · X-Robots-Tag · orphan page · E-E-A-T · E-E-A-T proxies · topical authority · Soft 404 · case consistency · accessibility structure · landmark region · accessible name · skip link · main landmark · alt attribute · form control name · duplicate id · IndexNow · faceted navigation · thin content · duplicate content · near-duplicate · MinHash · shingle · dead anchor · placeholder content · image placeholder · alt text · EXIF
Questions about boilerplate
What is boilerplate?
The text that appears on most pages of a site: navigation, footer, cookie notice, sidebar.
What does boilerplate not show or guarantee?
It puts a floor under every duplicate-content comparison, so it must be removed before pages are compared, and it inflates a page's word count without adding anything an engine would quote.
Which area of the glossary does boilerplate belong to?
Indexing and discovery: Whether a page can be found and kept, separately from whether it can be fetched.
← near-duplicate · MinHash →
See it in the full glossary · 751 terms across 19 areas.