Agent Ready HTML

The Plain Fetch viewer

In short

The viewer requests a URL the way a plain-fetch agent does: no JavaScript, one request for HTML, one for markdown, one for llms.txt and one for a path that should not exist. It shows the initial HTML on the left, the readable text on the right, and seven flags underneath.

Pre-loaded with www.wikipedia.org, read 4 November 2026. Type any public URL to run your own.

GET https://rudderstack.com/ answered 200 with text/html, 1.2 MB, 1 redirect, read 15 November 2026, 05:43 UTC. Final URL: https://www.rudderstack.com/.

Permalink: /viewer/?url=https://rudderstack.com/

The page answers a plain fetch: 4 of 6 checks found.

Initial HTML what a plain fetch receives

<!DOCTYPE html>
<html data-dpl-id="dpl_8WPcJTc4WtcT8pXJvyGk1rzXhPSK" lang="en" data-brand-theme="light">
<head>
<meta charSet="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
[... 38 more head elements folded ...]
<title>RudderStack | The Agentic Customer Data Platform
</title>
<meta name="description" content="RudderStack brings agentic power to the entire customer data lifecycle. Collect, unify, active, and govern your data from one warehouse-native platform."/>
[... 1 more head element folded ...]
<meta name="robots" content="index, follow"/>
<link rel="canonical" href="https://www.rudderstack.com/"/>
[... 18 more head elements folded ...]
</head>
<body class="flex min-h-screen flex-col font-sans antialiased" data-default-ignore="true">
<div hidden=""><!--$--><!--/$-->
</div>
<script type="application/ld+json">[... 4,082 characters folded ...]
</script>
<div id="main-content" class="flex-1"><!--$?--><template id="B:0"></template><!--/$-->
<script type="application/ld+json">[... 164 characters folded ...]
</script>
<main>
<div class="contents">
<section class="pt-header-mobile tablet:pt-header-banner bg-default relative overflow-hidden" data-section-name="agentic-hero">
<div aria-hidden="true" class="pointer-events-none absolute inset-0 bg-[linear-gradient(100deg,#11386b_0%,#0b2a52_45%,#04152e_100%)]">
</div>
<style>[... 182 characters folded ...]
</style>
<div aria-hidden="true" data-pattern-id="_S_1_" style="--pattern-height:calc(var(--pattern-width) * 0.865);background-image:url(/images/patterns/triangle.png);background-size:var(--pattern-width) var(--pattern-height);ba [... 115 characters folded ...]>
</div>
<div class="tablet:px-10 tablet:pt-28 tablet:pb-16 xlarge:px-[90px] relative z-3 mx-auto flex max-w-[1440px] flex-col items-center gap-10 px-6 pt-20 pb-12 desktop:flex-row desktop:items-center desktop:justify-between desktop:gap-12">
<div class="flex w-full max-w-[640px] flex-col items-center gap-5 text-center desktop:w-[600px] desktop:max-w-none desktop:shrink-0 desktop:items-start desktop:text-left">
<div class="mt-0 mb-0 text-[18px] leading-[24px] tablet:leading-[28px] font-semibold text-white uppercase">The agentic CDP
</div>
<h1 data-weight="semi-bold" data-size="l" data-heading-tag="H1" class="mt-0 mb-0 font-display text-[28px] leading-[32px] text-white font-semibold tablet:text-[52px] tablet:leading-[60px]"><span class="m-0 block whitespace-pre-line">Build your data foundation</span><span class="m-0 block whitespace-pre-line"><span class="text-brand-primary-500">and put it to work</span></span>
</h1>
<div>
<p class="mt-0 mb-0 text-[18px] leading-[28px] font-normal text-brand-primary-800 max-w-[480px] text-balance">Collect and govern real-time customer data, build unified profiles in your warehouse, and use AI agents to find and reach the right audiences.
</p>
</div>
<div class="mobile:max-w-[360px] tablet:w-auto tablet:max-w-none tablet:flex-row mt-3 flex w-full flex-col items-center gap-4 justify-center desktop:justify-start"><a title="Request a demo" aria-label="Request a demo" target="_self" data-variant="primary" class="group relative inline-flex items-center justify-center border border-solid font-body font-medium whitespace-nowrap transi [... 457 characters folded ...]><span aria-hidden="true" class="pointer-events-none absolute h-2.5 w-2.5 transition-transform duration-200 ease-out border-brand-primary-500 -top-[2px] -left-[2px] border-t-[3px] border-l-[3px] group-hover:-translate-x-[ [... 135 characters folded ...]></span><span aria-hidden="true" class="pointer-events-none absolute h-2.5 w-2.5 transition-transform duration-200 ease-out border-brand-primary-500 -top-[2px] -right-[2px] border-t-[3px] border-r-[3px] group-hover:translate-x-[ [... 135 characters folded ...]></span><span aria-hidden="true" class="pointer-events-none absolute h-2.5 w-2.5 transition-transform duration-200 ease-out border-brand-primary-500 -bottom-[2px] -left-[2px] border-b-[3px] border-l-[3px] group-hover:-translate- [... 137 characters folded ...]></span><span aria-hidden="true" class="pointer-events-none absolute h-2.5 w-2.5 transition-transform duration-200 ease-out border-brand-primary-500 -right-[2px] -bottom-[2px] border-r-[3px] border-b-[3px] group-hover:translate- [... 137 characters folded ...]></span><span class="flex items-center gap-2 transition-[color,transform] duration-200">Request a demo</span></a><a title="GET STARTED FOR FREE" aria-label="GET STARTED FOR FREE" target="_self" data-variant="secondary" class="group relative inline-flex items-center justify-center border border-solid font-body font-medium whitespace [... 472 characters folded ...]><span class="flex items-center gap-2 transition-[color,transform] duration-200">GET STARTED FOR FREE</span></a>
</div>
<div class="mx-auto w-fit max-w-[calc(100%-48px)] mt-8 desktop:mx-0">
<div class="mt-0 text-[16px] leading-[24px] tablet:leading-[28px] font-semibold text-brand-primary-800 mb-3 uppercase">Infrastructure agents can rely on
</div>
<div class="jAU35G_cf jAU35G_tight inline-block max-w-full" style="--cf-size:12px;--cf-thickness:2px;--cf-base-color:var(--color-brand-primary-350);--cf-hover-color:var(--color-brand-primary-350);--cf-offset:0px">
<div class="inline-flex max-w-full items-center justify-center overflow-hidden bg-transparent px-3 py-3 text-center transition-[width] duration-700 ease-[cubic-bezier(0.16,1,0.3,1)] motion-reduce:transition-none" aria-live="off">
<div class="fox6nq_statPanel">
<div class="flex flex-row items-center justify-center gap-2 whitespace-nowrap">
<p class="mt-0 mb-0 text-[18px] leading-[28px] font-semibold text-white shrink-0 whitespace-nowrap">99.95%
</p>
<p class="mt-0 mb-0 text-[18px] leading-[28px] font-normal text-brand-primary-800 shrink-0 whitespace-nowrap">Uptime
</p>
</div>
</div>
</div>
<div aria-hidden="true" class="pointer-events-none invisible absolute top-0 left-0 inline-flex px-3 py-3 text-center whitespace-nowrap">
<div class="flex flex-row items-center justify-center gap-2 whitespace-nowrap">
<p class="mt-0 mb-0 text-[18px] leading-[28px] font-semibold text-white shrink-0 whitespace-nowrap">99.95%
</p>
<p class="mt-0 mb-0 text-[18px] leading-[28px] font-normal text-brand-primary-800 shrink-0 whitespace-nowrap">Uptime
</p>
</div>
</div>
</div>
</div>
</div>
<div class="desktop:min-w-0 desktop:flex-1 w-full">
<div class="relative mx-auto aspect-[802/590] w-full max-w-[640px] overflow-hidden">
<div class="absolute inset-0 flex items-center justify-center transition-opacity duration-500">
<div class="mx-auto w-full" style="max-width:657px"><img alt="Sources such as JavaScript, iOS and webhooks connected to destinations such as Braze, Google Ads and Snowflake" width="1313" height="925" decoding="async" data-nimg="1" class="h-auto w-full" style="color:transp [... 117 characters folded ...]>
</div>
</div>
</div>
</div>
</div>
</section>
</div>
<div class="contents">
<section class="bg-default relative pt-16 pb-16" data-section-name="customer-logos">
<div class="tablet:px-22.5 relative mx-auto max-w-360 px-6 flex flex-col items-center">
<div class="jAU35G_cf jAU35G_tight w-full" style="--cf-size:12px;--cf-thickness:2px;--cf-base-color:var(--color-brand-primary-350);--cf-hover-color:var(--color-brand-primary-350);--cf-offset:0px">
<div class="border-brand-primary-250 tablet:grid-cols-[minmax(248px,32%)_1fr] grid w-full overflow-hidden border border-solid bg-[radial-gradient(37.46%_141.4%_at_49.72%_1.91%,#0D192B_0%,#020A16_100%)]">
<div class="border-brand-primary-250 tablet:min-h-40 tablet:border-r tablet:border-b-0 flex min-h-36 flex-col justify-between border-b border-solid px-6 py-6">
<p class="mt-0 mb-0 text-[20px] leading-[28px] font-medium text-brand-primary-850 text-left text-balance normal-case">Discover how teams are bringing agentic power to the customer data lifecycle with RudderStack.
</p><a title="Read case studies" aria-label="Read case studies" target="_self" data-variant="tertiary" class="group relative inline-flex items-center justify-center border font-body font-medium whitespace-nowrap transition-[ [... 426 characters folded ...]><span class="flex items-center gap-2 transition-[color,transform] duration-200">Read case studies
<svg width="24" height="24" viewBox="0 0 24 25" fill="none" xmlns="http://www.w3.org/2000/svg" class="UMa-ZW_iconSvg flex-shrink-0 transition-transform duration-200 group-hover:translate-x-0.5 h-4! w-4!" style="--icon-color:currentColor">[... 148 characters folded ...]
</svg></span></a>
</div>
<div class="relative overflow-hidden">
<div class="grid grid-cols-2 AbRWHa_doubleColumnLogoGrid">
<div class="flex items-center justify-center AbRWHa_doubleColumnLogoCell" style="height:35px;position:relative;overflow:visible">
<div class="text-center">
<div class="AbRWHa_logoItem max-w-[130px] tablet:max-w-none" data-animation-state="idle" style="position:absolute;width:calc(100% + 24px);height:26px;top:50%;left:50%;transform:translate(-50%, -50%);display:flex;align-items:center;justify-content:center"><img alt="Foot Locker logo" fetchPriority="low" loading="lazy" width="170" height="26" decoding="async" data-nimg="1" class="object-contain AbRWHa_logoImage" style="color:transparent;max-width:100%;height:auto" src="http [... 99 characters folded ...]>
</div>
</div>
</div>
<div class="flex items-center justify-center AbRWHa_doubleColumnLogoCell" style="height:35px;position:relative;overflow:visible">
<div class="text-center">
<div class="AbRWHa_logoItem max-w-[130px] tablet:max-w-none" data-animation-state="idle" style="position:absolute;width:calc(100% + 24px);height:29px;top:50%;left:50%;transform:translate(-50%, -50%);display:flex;align-items:center;justify-content:center"><img alt="Joybird logo" fetchPriority="low" loading="lazy" width="125" height="29" decoding="async" data-nimg="1" class="object-contain AbRWHa_logoImage" style="color:transparent;max-width:100%;height:auto" srcSet="/_nex [... 472 characters folded ...]>
</div>
</div>
</div>
<div class="flex items-center justify-center AbRWHa_doubleColumnLogoCell" style="height:35px;position:relative;overflow:visible">
<div class="text-center">
<div class="AbRWHa_logoItem max-w-[130px] tablet:max-w-none" data-animation-state="idle" style="position:absolute;width:calc(100% + 24px);height:32px;top:50%;left:50%;transform:translate(-50%, -50%);display:flex;align-items:center;justify-content:center"><img alt="allbirds logo" fetchPriority="low" loading="lazy" width="99" height="32" decoding="async" data-nimg="1" class="object-contain AbRWHa_logoImage" style="color:transparent;max-width:100%;height:auto" src="https:// [... 94 characters folded ...]>
</div>
</div>
</div>
<div class="flex items-center justify-center AbRWHa_doubleColumnLogoCell" style="height:35px;position:relative;overflow:visible">
<div class="text-center">
<div class="AbRWHa_logoItem max-w-[130px] tablet:max-w-none" data-animation-state="idle" style="position:absolute;width:calc(100% + 24px);height:26px;top:50%;left:50%;transform:translate(-50%, -50%);display:flex;align-items:center;justify-content:center"><img alt="Grafana Labs logo" fetchPriority="low" loading="lazy" width="159" height="26" decoding="async" data-nimg="1" class="object-contain AbRWHa_logoImage" style="color:transparent;max-width:100%;height:auto" src="htt [... 100 characters folded ...]>
</div>
</div>
</div>
<div class="flex items-center justify-center AbRWHa_doubleColumnLogoCell" style="height:35px;position:relative;overflow:visible">
<div class="text-center">
<div class="AbRWHa_logoItem max-w-[130px] tablet:max-w-none" data-animation-state="idle" style="position:absolute;width:calc(100% + 24px);height:24px;top:50%;left:50%;transform:translate(-50%, -50%);display:flex;align-items:center;justify-content:center"><img alt="Manscaped logo" fetchPriority="low" loading="lazy" width="133" height="24" decoding="async" data-nimg="1" class="object-contain AbRWHa_logoImage" style="color:transparent;max-width:100%;height:auto" src="https: [... 97 characters folded ...]>
</div>
</div>
</div>
<div class="flex items-center justify-center AbRWHa_doubleColumnLogoCell" style="height:35px;position:relative;overflow:visible">
<div class="text-center">
<div class="AbRWHa_logoItem max-w-[130px] tablet:max-w-none" data-animation-state="idle" style="position:absolute;width:calc(100% + 24px);height:22px;top:50%;left:50%;transform:translate(-50%, -50%);display:flex;align-items:center;justify-content:center"><img alt="Crate &amp; Barrel logo" fetchPriority="low" loading="lazy" width="156" height="22" decoding="async" data-nimg="1" class="object-contain AbRWHa_logoImage" style="color:transparent;max-width:100%;height:auto" sr [... 106 characters folded ...]>
</div>
</div>
</div>
<div class="flex items-center justify-center AbRWHa_doubleColumnLogoCell" style="height:35px;position:relative;overflow:visible">
<div class="text-center">
<div class="AbRWHa_logoItem max-w-[130px] tablet:max-w-none" data-animation-state="idle" style="position:absolute;width:calc(100% + 24px);height:32px;top:50%;left:50%;transform:translate(-50%, -50%);display:flex;align-items:center;justify-content:center"><img alt="cars.com logo" fetchPriority="low" loading="lazy" width="81" height="32" decoding="async" data-nimg="1" class="object-contain AbRWHa_logoImage" style="color:transparent;max-width:100%;height:auto" src="https:// [... 94 characters folded ...]>
</div>
</div>
</div>
<div class="flex items-center justify-center AbRWHa_doubleColumnLogoCell" style="height:35px;position:relative;overflow:visible">
<div class="text-center">
<div class="AbRWHa_logoItem max-w-[130px] tablet:max-w-none" data-animation-state="idle" style="position:absolute;width:calc(100% + 24px);height:35px;top:50%;left:50%;transform:translate(-50%, -50%);display:flex;align-items:center;justify-content:center"><img alt="aircall logo" fetchPriority="low" loading="lazy" width="124" height="35" decoding="async" data-nimg="1" class="object-contain AbRWHa_logoImage" style="color:transparent;max-width:100%;height:auto" src="https:// [... 95 characters folded ...]>
</div>
</div>
</div>

Shown with 182 long blocks (scripts, styles, long tags) folded into a marker that says how many characters they hide; line breaks added before block tags because the source is minified; the pane stops after the first 200 words; the page is 1.2 MB.

Reading view the text a plain-fetch client can extract

title: RudderStack | The Agentic Customer Data Platform

Build your data foundation and put it to work

The agentic CDP Build your data foundationand put it to work Collect and govern real-time customer data, build unified profiles in your warehouse, and use AI agents to find and reach the right audiences. Request a demo GET STARTED FOR FREE Infrastructure agents can rely on 99.95% Uptime 99.95% Uptime Discover how teams are bringing agentic power to the customer data lifecycle with RudderStack. Read case studies Launch campaigns fasterwith sharper targeting Start with an idea, end with an activated audience built by agents from all the customer context in your warehouse. No SQL. No CSVs. No wait. ANALYZE Find the audiences you didn’t know to look for Start with a goal, not a list. Lookout explores your warehouse data and recommends the segments worth targeting, with rationale and audience size included. BUILD Instantly turn your analysis into an audience Lookout builds the audience for you and opens it in a visual builder, so you can see every condition and refine it in the UI or in chat. ACTIVATE Build once, activate everywhere Send one audience definition to every ad platform, CRM, and engagement tool you use. Lookout keeps audiences current for you automatically. Stop guessing who to target Run

1408 more words follow in the initial HTML.

4 found, 1 missing, 2 notes, from 7 checks run

  • H1Found
  • 200 wordsFound
  • llms.txtNote
  • MarkdownMissing
  • Missing pathFound
  • JSON-LDFound
  • OpenAPINote
What a plain fetch found on rudderstack.com
CheckResultDetail
H1 in the initial HTMLFound one H1First H1: Build your data foundation and put it to work
First 200 words in the initial HTMLFound 200 of 200 wordsThe initial HTML carries 1608 words of visible text; the first 200 are marked in the left pane.
llms.txt present and linkedNote present, not linked5876 bytes, 36 links. Structure grade A (6 of 6). Nothing on the home page points to it. Ora's lab found 86 percent of llms.txt fetches arrived through a link.
Markdown on requestMissing 200 text/htmlAccept: text/markdown returned 200 with text/html; charset=utf-8. The server ignores the header.
Status of a made-up pathFound 404/agent-ready-html-missing-path-check returned 404: a real status code for a missing page.
JSON-LD typesFound BreadcrumbList, ContactPoint, ImageObject, ListItem and 7 more11 schema.org types in JSON-LD blocks on the home page: BreadcrumbList, ContactPoint, ImageObject, ListItem, Offer, OfferCatalog, Organization, Person, PostalAddress, QuantitativeValue, WebSite.
OpenAPI linkNote none on the home pageNo OpenAPI link on the home page. It matters only for a site that ships an API.

Run the full check

The viewer read one page with four requests. The full check we recommend next is Ora's scan. Its Access layer runs 42 checks worth 30 of its 100 points, among them content without JavaScript, bot detection, llms.txt, markdown on request, JSON-LD and the sitemap (Ora's check catalogue, contract 1.38.0, read 5 November 2026). Open Ora's report for rudderstack.com.

Limits: Ora reads public URLs only, says two runs of one scan land within a couple of points without publishing repeat-scan data, and keeps the product that fixes what it finds behind a waitlist. Cloudflare's scanner at isitagentready.com is a quick free alternative, and Mintlify's score covers documentation.

What the viewer does

It sends four plain GET requests with the user agent Mozilla/5.0 (compatible; agent-readiness-crawl/1.0): the URL itself, the same URL with Accept: text/markdown, /llms.txt on the same host, and a made-up path at the root. It runs no JavaScript. The left pane is the first bytes of the HTML as text, with long scripts and styles folded into a marker that says how many characters they hide. The H1 and the first 200 words of visible text are marked in both panes. The flags under the panes say what the four responses added up to.

Limits

  • Ten seconds for all four requests together, 1.5 MB read from the home page, at most five redirects, each one checked again.
  • http and https only, default ports only. Private, local and internal addresses and names are refused.
  • Ten runs per address per minute. The counter lives in memory on the edge function, so it is per instance rather than global. Past ten you get a 429 with a Retry-After header.
  • Results are cached for 24 hours by the response headers. Nothing is written to a database: the viewer keeps the first 200 words and the extracted fields for the length of the request and keeps no page body beyond that.

What it does not tell you

A plain fetch from this server is not a real agent. Bot protection weighs the source address more than the user agent, so a page that answers 200 here can still refuse an agent, and the reverse. Ora's lab found (2026-10-19) that returning 403 to agent user agents and hiding the answer in JavaScript were the only two of 19 configurations that stopped retrieval; the viewer can see the second, and can only hint at the first. The initial HTML reference covers both. The server logs and the published crawler address ranges settle the first.

The seven flags

H1 in the initial HTML
Whether the HTML the server sends already contains an H1. It is the cheapest sign that the page does not depend on scripts to say what it is.
First 200 words in the initial HTML
Whether at least 200 words of visible text arrive in the initial HTML. Under 40 words with an app root element is flagged as a JavaScript shell.
llms.txt present and linked
Whether /llms.txt answers with a plain-text file, whether the home page links it (an anchor, a link element or a Link header), and the structure grade the index uses.
Markdown on request
Whether a request with Accept: text/markdown comes back as text/markdown. Cloudflare Radar found 3.9 percent of scanned top sites passing this at its April 2026 launch.
Status of a made-up path
Whether a path that should not exist returns 404 or 410. A 200 is a soft 404 and reads as a live page.
JSON-LD types
The schema.org types found in JSON-LD blocks on the page. Ora's lab found JSON-LD made no difference when the answer was already in the HTML.
OpenAPI link
Whether the page links an OpenAPI file, by an anchor or a service-desc link relation. It matters only for a site that ships an API.

Sources

  1. Ora: AgentReady launch post (Ora's lab findings) https://ora.ai/blog/agentready-launch, read 4 November 2026
  2. Ora check catalogue, contract 1.38.0 (132 checks, 42 in the Access layer) https://ora.ai/api/checks, read 5 November 2026
  3. Ora home page (the fixing product is behind a waitlist) https://ora.ai/, read 5 November 2026
  4. Ora: Introducing Deep Scan (repeat scans) https://ora.ai/blog/introducing-deep-scan, read 5 November 2026
  5. Ora llms.txt (public URLs only) https://ora.ai/llms.txt, read 5 November 2026
  6. Vercel: Make your site readable by AI agents https://vercel.com/kb/guide/make-your-site-readable-by-ai-agents, read 4 November 2026
  7. llms.txt proposal (llmstxt.org) https://llmstxt.org/, read 4 November 2026

Last reviewed 5 November 2026