--- title: "Firebase Hosting: vendor profile | Agent Ready Checklist" description: "Firebase Hosting, a host or CDN: 0 of 5 checklist rows read are met by default, with 6 sourced facts, dated plans and what it does not do." canonical: https://agentreadychecklist.com/vendors/firebase-hosting site: "Agent Ready Checklist" last_updated: 2026-11-05 section: "Vendors" --- # Firebase Hosting: vendor profile | Agent Ready Checklist > Firebase Hosting, a host or CDN: 0 of 5 checklist rows read are met by default, with 6 sourced facts, dated plans and what it does not do. Source: https://agentreadychecklist.com/vendors/firebase-hosting Site: Agent Ready Checklist Last reviewed: 2026-11-05 Agent endpoints: https://agentreadychecklist.com/llms.txt (index), https://agentreadychecklist.com/openapi.json (API), https://agentreadychecklist.com/mcp (MCP server), https://agentreadychecklist.com/ask (search) Access: https://agentreadychecklist.com/auth.md (no key). Pricing: https://agentreadychecklist.com/pricing.md (free). # Firebase Hosting Firebase Hosting is Google's hosting with a firebase.json file that sets custom 404 pages, rewrites and per-path response headers, so Vary and a Link markdown alternate can be added. A catch-all rewrite to index.html replaces the custom 404 page for missing paths. The docs read add no robots rules and describe no markdown negotiation at the host. ## At a glance Type [Host or CDN](https://agentreadychecklist.com/vendors/by-type/host/) Operator Google Homepage [firebase.google.com/products/hosting](https://firebase.google.com/products/hosting), answered HTTP 200 on 2026-11-05 Checklist rows 5 of 31 read: **0** supported, 3 partial, 2 no statement Last read 2026-11-05 ## What it does for this layer - Firebase Hosting configuration in firebase.json can serve a customized 404 Not Found page, set rewrites and add response headers. primary source: [firebase.google.com/docs/hosting/full-config](https://firebase.google.com/docs/hosting/full-config), read 2026-11-05 - Firebase Hosting displays the content of a custom 404.html page when one exists in the public directory. primary source: [firebase.google.com/docs/hosting/full-config](https://firebase.google.com/docs/hosting/full-config), read 2026-11-05 - Firebase Hosting rewrites can show the same content for multiple URLs, the mechanism single-page apps use. primary source: [firebase.google.com/docs/hosting/full-config](https://firebase.google.com/docs/hosting/full-config), read 2026-11-05 - Firebase lists a no-cost Spark plan that needs no payment method and a pay-as-you-go Blaze plan. primary source: [firebase.google.com/pricing](https://firebase.google.com/pricing), read 2026-11-05 - Firebase says eligible Blaze plan users can get $300 in free credit. primary source: [firebase.google.com/pricing](https://firebase.google.com/pricing), read 2026-11-05 - Google's Firebase docs server returned the Hosting configuration guide as markdown when the request listed text/markdown in its Accept header on 2026-11-05. observed: [firebase.google.com/docs/hosting/full-config](https://firebase.google.com/docs/hosting/full-config), read 2026-11-05 ## Products and plans | Product | What it is | Price | As of | | --- | --- | --- | --- | | Firebase Hosting (Spark) | No-cost hosting tier. | Free; no payment method needed; firebase.google.com/pricing | 2026-11-05 | | Firebase Hosting (Blaze) | Pay-as-you-go plan with higher limits. | No price read | not read | ## Standards | Row | What it asks | Status | What the vendor's pages say | Source | | --- | --- | --- | --- | --- | | AR-FIND-01 | Do not block agents | no statement | Firebase Hosting adds no robots rules in the docs read. | none | | AR-READ-02 | Real HTTP status codes | partial | A custom 404.html is served for missing paths unless a catch-all rewrite sends them to index.html. | firebase.google.com/docs/hosting/full-config | | AR-READ-09 | Advertise a markdown mirror | partial | A Link header can be added through the headers configuration. | firebase.google.com/docs/hosting/full-config | | CF-MARKDOWN-NEGOTIATION | Markdown by Accept | no statement | No markdown negotiation at the host was found. | none | | VERCEL-NEGOTIATION-HEADERS | Markdown headers | partial | Response headers such as Vary can be set per path in firebase.json. | firebase.google.com/docs/hosting/full-config | ## Checks on its own site | Reading | Result | Date | Source | | --- | --- | --- | --- | | Cloudflare scan of firebase.google.com | 27 of 100, band L1 Basic Web Presence | 2026-11-05 | isitagentready.com | ## What it does not do - Firebase Hosting does not generate robots.txt, sitemaps or llms.txt. - Firebase Hosting does not vary static responses by the Accept header without a function behind a rewrite. ## Related pages on this site Recipes [Static hosting](https://agentreadychecklist.com/platforms/static-hosting/) ([checklist view](https://agentreadychecklist.com/platform/static-hosting/checklist/)) Same recipe page [AWS Amplify Hosting](https://agentreadychecklist.com/vendors/aws-amplify/), [Cloudflare Pages and Workers](https://agentreadychecklist.com/vendors/cloudflare/), [Eleventy (Build Awesome)](https://agentreadychecklist.com/vendors/eleventy/), [Gatsby](https://agentreadychecklist.com/vendors/gatsby/), [GitHub Pages](https://agentreadychecklist.com/vendors/github-pages/), [Hugo](https://agentreadychecklist.com/vendors/hugo/), [Jekyll](https://agentreadychecklist.com/vendors/jekyll/), [Netlify](https://agentreadychecklist.com/vendors/netlify/), [Render](https://agentreadychecklist.com/vendors/render/), [Vercel](https://agentreadychecklist.com/vendors/vercel/) Same type [Hosts and CDNs](https://agentreadychecklist.com/vendors/by-type/host/), [all vendors](https://agentreadychecklist.com/vendors/) ## Sources - [firebase.google.com/products/hosting](https://firebase.google.com/products/hosting)read 2026-11-05 - [firebase.google.com/docs/hosting/full-config](https://firebase.google.com/docs/hosting/full-config)read 2026-11-05 - [firebase.google.com/pricing](https://firebase.google.com/pricing)read 2026-11-05 - [isitagentready.com](https://isitagentready.com/)read 2026-11-05 Edition Data 2026-11-04 Reviewed 2026-11-05 Spec AgentReady v2.0, 273d2d7 Crawl 13,071 rows, 2026-11-04 Ora 132 checks, contract 1.38.0, 2026-11-05 Verify with Ora The scanner this site recommends for the whole checklist. 132 checks, a score out of 100, no account. `npx ax@0.10 audit --min-score ` [Why Ora, and its limits](https://agentreadychecklist.com/verify-with-ora/) Method - [How rows, commands and rates are made](https://agentreadychecklist.com/method/) - [How an Ora check is matched to a row](https://agentreadychecklist.com/checklist/ora-checks/) - [Pass rates by rank band](https://agentreadychecklist.com/data/by-rank/) Sources and read dates sit at the foot of the page. Last reviewed 2026-11-05. AgentReady v2.0, read 2026-11-04.