render dependence gap
The difference between what is in the HTML and what appears after scripts run.
What render dependence gap does not show
A non-rendering crawler receives the first, which is why a service list that only exists after JavaScript can be invisible to a fetcher that reached the page successfully.
How CrawlCheck measures render dependence gap
One finding code measures it. Its share of all scans is computed from the live corpus when this page is served, not typed into it.
| Finding code | Share of scans | Guide |
|---|---|---|
CONTENT_NEEDS_JAVASCRIPT | 1.8% | AI visibility tools compared: what each one measures |
Every code, its rule and its current rate: the dataset page. Scan a site to see which apply to it.
Terms this definition uses
Related terms in Delivery and rendering
What arrives on the wire, and what only exists after something else runs.
broken embed · payload ratio · render dependence · edge cache pinning · TTFB · Core Web Vitals · CrUX · field data · prompt injection · Hydration mismatch · Dynamic rendering · DOM depth · Edge transformation · 202 interstitial · rate limiting · bot management platform
Questions about render dependence gap
What is render dependence gap?
The difference between what is in the HTML and what appears after scripts run.
What does render dependence gap not show or guarantee?
A non-rendering crawler receives the first, which is why a service list that only exists after JavaScript can be invisible to a fetcher that reached the page successfully.
How does CrawlCheck measure render dependence gap?
Through the finding code CONTENT_NEEDS_JAVASCRIPT, each with a stated rule, evidence bytes and a live share of scans on the dataset page.
Which area of the glossary does render dependence gap belong to?
Delivery and rendering: What arrives on the wire, and what only exists after something else runs.
← render dependence · edge cache pinning →
See it in the full glossary · 772 terms across 19 areas.
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