---
title: "JavaScript rendering | Am I Ready for Agents?"
description: "JavaScript rendering: Building page content in the visitor's browser with scripts after the page loads. What it is, a dated example and where it matters."
canonical: https://amireadyforagents.com/glossary/javascript-rendering
site: "Am I Ready for Agents?"
last_updated: 2026-11-04
section: "Glossary"
---

# JavaScript rendering | Am I Ready for Agents?

> JavaScript rendering: Building page content in the visitor's browser with scripts after the page loads. What it is, a dated example and where it matters.

Source: https://amireadyforagents.com/glossary/javascript-rendering
Site: Am I Ready for Agents?
Last reviewed: 2026-11-04

# JavaScript rendering

## In short

JavaScript rendering is the first of the two changes that stopped an agent in Ora's experiment. In the network crawl of 4 Nov 2026, 3.5 percent of home pages that returned 200 were flagged as script-only shells. Read on in Making pages readable. The neighbouring term is Initial HTML.

## Definition

Building page content in the visitor's browser with scripts after the page loads. Readers that do not run scripts see an empty or partial page.

## A dated example

-   Read 4 Nov 2026
    
    In the network crawl of 4 Nov 2026, 3.5 percent of home pages that returned 200 were flagged as script-only shells.
    
    [Scorecard methodology: the crawl of 4 Nov 2026](https://amireadyforagents.com/scorecards/methodology), read 4 Nov 2026
    

## Where it matters

It is the first of the two changes that stopped an agent in Ora's experiment.

-   [Making pages readable](https://amireadyforagents.com/university/making-pages-readable-for-agents)

## Related terms

-   [Initial HTML](https://amireadyforagents.com/glossary/initial-html)The page as your server first sends it, before any scripts run.

## Sources

1.  [Scorecard methodology: the crawl of 4 Nov 2026](https://amireadyforagents.com/scorecards/methodology) (amireadyforagents.com/scorecards/methodology), read 4 Nov 2026.
2.  [Sector scorecards dataset, edition 4 Nov 2026](https://amireadyforagents.com/scorecards) (amireadyforagents.com/scorecards), read 4 Nov 2026.

Last reviewed 4 November 2026

Reviewed 4 November 2026. [2 sources](#sources), each with the day it was read.