--- title: "HubSpot Content Hub: vendor profile: Agent Ready HTML" description: "HubSpot Content Hub, a CMS: 1 of 6 standards stated as supported, 10 sourced facts, dated plans and what it does not do." canonical: https://agentreadyhtml.com/vendors/hubspot-cms/ site: "Agent Ready HTML" last_updated: 2026-11-05 section: "Vendors" --- # HubSpot Content Hub: vendor profile: Agent Ready HTML > HubSpot Content Hub, a CMS: 1 of 6 standards stated as supported, 10 sourced facts, dated plans and what it does not do. Source: https://agentreadyhtml.com/vendors/hubspot-cms/ Site: Agent Ready HTML Last reviewed: 2026-11-05 # HubSpot Content Hub: vendor profile In short HubSpot's pages for Content Hub cover error pages, robots.txt and sitemaps, and stay silent on llms.txt, markdown and rendering. Landing pages join the sitemap by hand. Starter costs $20 a seat a month, shown at $10 for new customers, and has no drag and drop template for a custom 404. ## At a glance **standards.txt** hubspot-cms ```text llms-txt = no statement markdown-negotiation = no statement markdown-twin = no statement initial-html = no statement real-404 = supports vary-accept = no statement ``` 1 supports, 0 partial or announced, 5 no statement. **HubSpot Content Hub** Content management system HubSpot Content Hub is the HubSpot CMS, which builds pages from HubL templates on HubSpot hosting, returns error page templates for 404 and 500 status codes, and edits robots.txt and the sitemap per connected domain. Type [Content management system](https://agentreadyhtml.com/vendors/by-type/cms/) Operator, as the facts below state it HubSpot Home page [www.hubspot.com/products/content](https://www.hubspot.com/products/content), answered HTTP 200 on 2026-11-05 Last read 5 November 2026 ## What it does for this layer - HubSpot was founded in 2006 by MIT graduate students Brian Halligan and Dharmesh Shah, and its story page counts more than 9,000 employees, 306,000 customers and 15 global offices. \[primary source\] [source](https://www.hubspot.com/our-story), read 5 November 2026. - Content Hub on 2026-11-05 started at $0 for Free, $20 a month per seat for Starter (shown at $10 for new customers), $100 a month per seat for Professional and $175 a month per seat for Enterprise. \[primary source, 2026-11-05\] [source](https://www.hubspot.com/products/content), read 5 November 2026. - HubSpot CMS templates and modules are written in HubL, a Jinja-inspired templating language that extends Jinjava and leaves out some Jinja features. \[primary source\] [source](https://developers.hubspot.com/docs/cms/reference/hubl/overview), read 5 November 2026. - HubSpot's System Pages tab assigns templates of the Error page type to the pages returned for 404 and 500 status codes. \[primary source\] [source](https://developers.hubspot.com/docs/cms/start-building/introduction/developer-environment/website-settings), read 5 November 2026. - Content Hub Starter has no drag and drop system templates, so a custom 404 page there is an HTML + HubL template, and custom system templates apply per primary domain with other domains using the defaults. \[primary source\] [source](https://knowledge.hubspot.com/design-manager/use-system-templates-to-customize-error-subscription-and-password-prompt-pages), read 5 November 2026. - A made-up path on www.hubspot.com, a site that declares a HubSpot generator tag, returned HTTP 404 to curl 8.7.1 with a 500,613-byte HTML page on 2026-11-05. \[observed, 2026-11-05\] [source](https://knowledge.hubspot.com/design-manager/use-system-templates-to-customize-error-subscription-and-password-prompt-pages), read 5 November 2026. - HubSpot edits robots.txt per connected domain or through Default settings for all domains, and content on HubSpot system domains containing hs-sites is always marked no-index in robots.txt. \[primary source\] [source](https://knowledge.hubspot.com/seo/prevent-content-from-appearing-in-search-results), read 5 November 2026. - HubSpot's knowledge base warns against pairing a robots.txt block with a noindex meta tag, since the block keeps search engines from ever reading the tag. \[primary source\] [source](https://knowledge.hubspot.com/seo/prevent-content-from-appearing-in-search-results), read 5 November 2026. - HubSpot adds live website pages and blog posts to a domain's sitemap automatically, leaves landing pages out until they are added by hand, allows only the standard tags plus , and can take up to 30 minutes to update it. \[primary source\] [source](https://knowledge.hubspot.com/domains-and-urls/view-and-edit-a-hubspot-hosted-domain-sitemap), read 5 November 2026. - HubSpot AEO costs $50 a month, or $45 paid yearly, needs no other HubSpot subscription, and tracks brand visibility in ChatGPT, Perplexity and Gemini; HubSpot's AEO page says it acquired XFunnel in 2026. \[primary source, 2026-11-05\] [source](https://www.hubspot.com/products/aeo), read 5 November 2026. ## Products and plans | Product | What it is | Price | As of | Source | | --- | --- | --- | --- | --- | | Content Hub | HubSpot's CMS and content tools, from a free edition to Enterprise with multiple sites. | Free tier, paid plans above it; Starter from $20 per seat per month ($10 new-customer offer); Professional from $100; Enterprise from $175 | 2026-11-05 | source | | HubSpot AEO | Tracks how a brand appears in ChatGPT, Perplexity and Gemini answers and recommends content changes. | From USD 45; per month paid yearly; $50 monthly | 2026-11-05 | source | ## Standards | Standard | Status | What the vendor's pages say | Source | | --- | --- | --- | --- | | llms-txt | no statement | No HubSpot knowledge base or developer page on llms.txt found; the file comes from a third-party Marketplace app or a hand-uploaded file. | none | | markdown-negotiation | no statement | No statement found in the HubL, website settings or SEO knowledge base pages; www.hubspot.com answered Accept: text/markdown with 406 in the shared crawl of 2026-11-04. | none | | markdown-twin | no statement | No statement about per-page markdown found in the HubSpot CMS developer docs or knowledge base articles read. | none | | initial-html | no statement | The HubL docs describe templates and modules but give no rendering statement; the Content Hub product page returned its full text to a plain fetch on 2026-11-05. | source | | real-404 | supports | HubSpot says error page templates are the pages returned for 404 or 500 status codes. | source | | vary-accept | no statement | No statement found; HubSpot documents no markdown negotiation. | none | ## Checks on its own site Plain-fetch checks ran on https://www.hubspot.com/products/content; the Ora and Cloudflare scores cover the whole host hubspot.com. | Reading | Result | Date | | --- | --- | --- | | Home page request | HTTP 200; H1 in the initial HTML: yes; 861 words; 4 JSON-LD blocks | 2026-11-05 | | Request with Accept: text/markdown | HTTP 406, no content type, Vary: origin, accept-encoding | 2026-11-05 | | /llms.txt at the host root | HTTP 200, text/plain, 35 KB, starts with an H1 | 2026-11-05 | | A made-up path | HTTP 404 | 2026-11-05 | | Ora score, cached | 72, grade B | 2026-11-03 | | Cloudflare keyless scan | 20, L1 Basic Web Presence | 2026-11-05 | | Shared crawl row | Tranco rank 259; home page HTTP 200; H1 in the HTML: yes; 2,309 words; JSON-LD types: Organization, WebSite, WebPage, Product; answers markdown: no; made-up path HTTP 404; llms.txt valid: yes | 2026-11-04 | ## What it does not do - HubSpot AEO measures brand mentions in AI answers wherever a site is hosted; it does not change what the HubSpot CMS serves to a fetching agent. ## Related pages on this site - [Content management systems in this section](https://agentreadyhtml.com/vendors/by-type/cms/) - [HubSpot CMS: platform profile and rubric scores](https://agentreadyhtml.com/platforms/hubspot-cms/) - [The Plain Fetch viewer](https://agentreadyhtml.com/viewer/) ## Sources 1. [Content Hub | HubSpot](https://www.hubspot.com/products/content) https://www.hubspot.com/products/content, read 5 November 2026 2. [About HubSpot | HubSpot's Story](https://www.hubspot.com/our-story) https://www.hubspot.com/our-story, read 5 November 2026 3. [HubL Syntax | HubSpot docs](https://developers.hubspot.com/docs/cms/reference/hubl/overview) https://developers.hubspot.com/docs/cms/reference/hubl/overview, read 5 November 2026 4. [Website Settings | HubSpot docs](https://developers.hubspot.com/docs/cms/start-building/introduction/developer-environment/website-settings) https://developers.hubspot.com/docs/cms/start-building/introduction/developer-environment/website-settings, read 5 November 2026 5. [Use system page templates | HubSpot Knowledge Base](https://knowledge.hubspot.com/design-manager/use-system-templates-to-customize-error-subscription-and-password-prompt-pages) https://knowledge.hubspot.com/design-manager/use-system-templates-to-customize-error-subscription-and-password-prompt-pages, read 5 November 2026 6. [Prevent content from appearing in search results | HubSpot Knowledge Base](https://knowledge.hubspot.com/seo/prevent-content-from-appearing-in-search-results) https://knowledge.hubspot.com/seo/prevent-content-from-appearing-in-search-results, read 5 November 2026 7. [View and edit a HubSpot-hosted domain sitemap | HubSpot Knowledge Base](https://knowledge.hubspot.com/domains-and-urls/view-and-edit-a-hubspot-hosted-domain-sitemap) https://knowledge.hubspot.com/domains-and-urls/view-and-edit-a-hubspot-hosted-domain-sitemap, read 5 November 2026 8. [HubSpot AEO](https://www.hubspot.com/products/aeo) https://www.hubspot.com/products/aeo, 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/).