State of JavaScript: coverage and access

What it covers

Geography and granularity

Geography: Use the geography stated by the source; coverage can vary by dataset and release.

Granularity: Compare framework, build-tool, testing, and library awareness/usage/satisfaction signals when choosing integrations or a JavaScript-focused niche.

Source type: Developer ecosystem survey and technology adoption data

Potential use

Compare framework, build-tool, testing, and library awareness/usage/satisfaction signals when choosing integrations or a JavaScript-focused niche. Valuable to founders building frontend, API, testing, build, observability, and JavaScript data products.

Access and cost

Public source

Public interactive results and query builder; access is via the website, with no paid tier or commercial data license asserted on the evidence page.

Cost: Access may involve paid products or services; verify current pricing and licensing with the provider.

Update cadence: Release cadence was not normalized in this review; check the source's dates, update notes, and API limits before comparing periods.

• Provider page ↗
• Documentation and access details ↗Check the provider's current terms and instructions before use

Interpret carefully

Limits that affect the decision

Survey participation and respondent composition can bias results toward engaged JavaScript developers; treat charts as directional rather than market census data.

Release cadence was not normalized in this review; check the source's dates, update notes, and API limits before comparing periods.

This record summarizes source documentation; Jon Bishop did not conduct an independent audit of the underlying dataset.