Home / Cloudflare
Cloudflare Browser Rendering
developers.cloudflare.com/browser-rendering/Headless browsercrawler-scraper/cfbrJSONcomparereport an errorprovider JSON
- Free allowance
- Workers Free: 600 browser-seconds a day, or 10 browser-minutes; 3 concurrent browsers
- Verdict
- caveatusable, with a named limit or an unprobed read path
- Cost
- free tier
- Identity
- emailno card, no phone
- Binding limit
- request-rate600 browser-seconds a day on Workers Free, 3 concurrent; this deployment reads 1,800 browser-seconds a day and 36,000 a month from a Paid plan, with 20 crawl jobs a day, measured from status.json
- Evidence
- reported1 source; a third party said so
- Freshness
- stale on 2026-11-06checked 2026-10-22 (live); stale on 2026-11-06
| Free tier | Workers Free: 600 browser-seconds a day, or 10 browser-minutes; 3 concurrent browsers unit requests; metered on request-count |
|---|
| Price | none stated |
|---|
| Limits | - request-rate (binding) 600 browser-seconds a day on Workers Free, 3 concurrent
- request-rate (binding) this deployment reads 1,800 browser-seconds a day and 36,000 a month from a Paid plan, with 20 crawl jobs a day, measured from status.json
- per-object-cap crawl /snapshot answers each page whole; it refuses main_content
|
|---|
| Identity | email a Cloudflare account |
|---|
| Egress | not applicable: Markdown or HTML answers |
|---|
| Per-object cap | not applicable: the unit is browser time |
|---|
| Retention | browser-seconds reset daily |
|---|
| Interface | rest REST Quick Action /markdown, /snapshot and /crawl; a synchronous JSON answer per POST |
|---|
| Tooling | not stated |
|---|
| Composes with | The read ladder's rendered-DOM leg, and one of the four crawl providers; refuses main_content so it answers each page whole |
|---|
| Reliability | no reliability event recorded |
|---|
| Notes | The two facts must not be merged: 600 browser-seconds a day is the vendor's Workers Free tier; 1,800 a day is this deployment's paid plan and says nothing about what a new account gets. It is also the only browser lane that adds no new third party to a Worker's trust domain. |
|---|
| Evidence note | reported the deployment numbers are measured from status.json |
|---|
Evidence 1
| date | source | what it proved |
|---|
| 2026-10-22 | source not published | pool browser: 1,800 a day and 36,000 a month, 6.8 and 179.6 spent, one account excluded; pool jobs: 20 a day |
Unknown values 2
$.reliability_note nothing of this kind was observed$.tooling a source was read and is silent on this field