--- title: "Firebase Hosting: vendor profile: Agent Ready HTML" description: "Firebase Hosting, a host or CDN: 1 of 6 standards stated as supported, 8 sourced facts, dated plans and what it does not do." canonical: https://agentreadyhtml.com/vendors/firebase-hosting/ site: "Agent Ready HTML" last_updated: 2026-11-05 section: "Vendors" --- # Firebase Hosting: vendor profile: Agent Ready HTML > Firebase Hosting, a host or CDN: 1 of 6 standards stated as supported, 8 sourced facts, dated plans and what it does not do. Source: https://agentreadyhtml.com/vendors/firebase-hosting/ Site: Agent Ready HTML Last reviewed: 2026-11-05 # Firebase Hosting: vendor profile In short In Firebase Hosting's fixed response order a catch-all rewrite to index.html outranks the custom 404.html. App Hosting, for server-rendered Next.js and Angular apps, requires a billing account. Storage is free up to 10 GB, then $0.026 per GB, and daily transfer is free up to 360 MB. ## At a glance **standards.txt** firebase-hosting ```text llms-txt = no statement markdown-negotiation = no statement markdown-twin = no statement initial-html = partial real-404 = supports vary-accept = no statement ``` 1 supports, 1 partial or announced, 4 no statement. **Firebase Hosting** Host, CDN or edge product Google's static and single-page app hosting on a global CDN, with a fixed response order that ends in a custom 404.html, plus Firebase App Hosting for server-rendered Next.js and Angular apps. Type [Host, CDN or edge product](https://agentreadyhtml.com/vendors/by-type/host-or-cdn/) Operator, as the facts below state it Google Home page [firebase.google.com/products/hosting](https://firebase.google.com/products/hosting), answered HTTP 200 on 2026-11-05 Last read 5 November 2026 ## What it does for this layer - Firebase Hosting answers in a fixed priority order: reserved /\_\_/\* paths, configured redirects, exact-match static content, configured rewrites, the custom 404 page, then the default 404 page. \[primary source\] [source](https://firebase.google.com/docs/hosting/full-config), read 5 November 2026. - A file named 404.html in the Firebase public directory is shown when a request on the domain triggers a 404 Not Found. \[primary source\] [source](https://firebase.google.com/docs/hosting/full-config), read 5 November 2026. - Firebase applies the first matching rule within the redirects and rewrites attributes, and configured redirects take precedence over rewrites. \[primary source\] [source](https://firebase.google.com/docs/hosting/full-config), read 5 November 2026. - With cleanUrls set to true, Firebase Hosting drops the .html extension and answers a request that includes .html with a 301 to the extensionless path. \[primary source\] [source](https://firebase.google.com/docs/hosting/full-config), read 5 November 2026. - Firebase points builders of server-rendered Angular or Next.js apps to Firebase App Hosting; the older framework-aware Hosting integration is described as an early preview. \[primary source\] [source](https://firebase.google.com/docs/hosting/frameworks/frameworks-overview), read 5 November 2026. - Firebase App Hosting builds apps with Cloud Build, serves them on Cloud Run and caches them in Cloud CDN, with preconfigured support for Next.js and Angular. \[primary source\] [source](https://firebase.google.com/docs/app-hosting), read 5 November 2026. - Firebase App Hosting offers agent skills for coding agents such as Claude Code, Codex and Cursor to help set up deployments. \[primary source\] [source](https://firebase.google.com/docs/app-hosting), read 5 November 2026. - Firebase pricing lists Hosting storage free up to 10 GB and then $0.026 per GB, and data transfer free up to 360 MB a day and then $0.15 per GB. \[primary source, 2026-11-05\] [source](https://firebase.google.com/pricing), read 5 November 2026. ## Products and plans | Product | What it is | Price | As of | Source | | --- | --- | --- | --- | --- | | Firebase Hosting | Static and single-page app hosting with redirects, rewrites, headers and a custom 404.html. | Free tier, paid plans above it; No-cost up to 10 GB storage and 360 MB a day transfer; then 0.026 USD per GB stored and 0.15 USD per GB transferred | 2026-11-05 | source | | Firebase App Hosting | Server-rendered web app hosting on Cloud Run with Cloud CDN caching, preconfigured for Next.js and Angular; requires a billing account. | Usage-based, with a free allowance; Firebase pricing says App Hosting requires a billing account | 2026-11-05 | source | ## Standards | Standard | Status | What the vendor's pages say | Source | | --- | --- | --- | --- | | llms-txt | no statement | No llms.txt feature in the Firebase Hosting pages read. | none | | markdown-negotiation | no statement | No Accept-header markdown feature in the Firebase Hosting pages read. | none | | markdown-twin | no statement | No markdown copy feature in the pages read. | none | | initial-html | partial | App Hosting serves server-rendered Next.js and Angular; plain Hosting serves whatever static files the build emits. | source | | real-404 | supports | A custom 404.html is served for 404 Not Found, after redirects, static matches and rewrites. | source | | vary-accept | no statement | Not covered in the pages read. | none | ## Checks on its own site Plain-fetch checks ran on https://firebase.google.com/products/hosting; the Ora and Cloudflare scores cover the whole host firebase.google.com. | Reading | Result | Date | | --- | --- | --- | | Home page request | HTTP 200; H1 in the initial HTML: yes; 346 words; 1 JSON-LD block | 2026-11-05 | | Request with Accept: text/markdown | HTTP 200, text/markdown, Vary: Accept, Accept-Encoding | 2026-11-05 | | /llms.txt at the host root | HTTP 404, text/html, 96 KB | 2026-11-05 | | A made-up path | HTTP 404 | 2026-11-05 | | Ora score, cached | 56, grade C | 2026-10-21 | | Cloudflare keyless scan | 27, L1 Basic Web Presence | 2026-11-05 | ## What it does not do - Firebase Hosting has no prerendering service of its own for client-rendered apps; a catch-all rewrite to index.html sits above the custom 404 page in its priority order. - Firebase App Hosting cannot run on the no-cost plan alone, since Firebase says it requires a billing account. ## Related pages on this site - [Hosts, CDNs and edge products in this section](https://agentreadyhtml.com/vendors/by-type/host-or-cdn/) - [The Plain Fetch viewer](https://agentreadyhtml.com/viewer/) ## Sources 1. [Firebase Hosting: home page](https://firebase.google.com/products/hosting) https://firebase.google.com/products/hosting, read 5 November 2026 2. [Configure Hosting behavior | Firebase Hosting](https://firebase.google.com/docs/hosting/full-config) https://firebase.google.com/docs/hosting/full-config, read 5 November 2026 3. [Integrate web frameworks with Hosting | Firebase Hosting](https://firebase.google.com/docs/hosting/frameworks/frameworks-overview) https://firebase.google.com/docs/hosting/frameworks/frameworks-overview, read 5 November 2026 4. [Firebase App Hosting](https://firebase.google.com/docs/app-hosting) https://firebase.google.com/docs/app-hosting, read 5 November 2026 5. [Firebase Pricing](https://firebase.google.com/pricing) https://firebase.google.com/pricing, read 5 November 2026 Last reviewed 5 November 2026 Edition Crawl 2026-11-04 Page updated 2026-11-05 Method How the viewer reads a page, how a file is graded and how a platform is scored: [the method page](https://agentreadyhtml.com/method/).