Glossary
JavaScript Rendering
JavaScript rendering is the browser-like processing required to turn script-driven page code into visible content and links. Some crawlers render JavaScript fully, some partially and some not at all, so critical information delivered only after client-side execution can be harder or slower to discover.
In plain terms
Some pages show their real content only after code runs; not every bot handles that equally well.
Why it matters
Server-rendered or directly available core content gives search and AI crawlers a more reliable path to the evidence they need.
How to apply it
- Inspect the raw response for important copy and links.
- Avoid requiring interaction or login to reveal indexable content.
- Test pages with scripts disabled as a diagnostic.
Example
A pricing table appears after a browser API call but is absent from the initial response, leaving limited crawlers with no prices to read.
Sources
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