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://platform.claude.com/ answered 200 with text/html, 198 KB, read 8 November 2026, 13:40 UTC.

Permalink: /viewer/?url=https://platform.claude.com/

The page answers a plain fetch: 3 of 6 checks found.

Initial HTML what a plain fetch receives

<!DOCTYPE html>
<html data-dpl-id="bb6c4f7aada27e1c542ffc3b69f8e9a5c3ce8b3b-b28dfeeb" class="h-screen antialiased bg-page v6zMWG_variable GAfbbW_variable LaA-xG_variable Iptpla_variable cds-root text-primary" lang="en-US" data-theme="cl [... 389 characters folded ...]>
<head>
<meta charSet="utf-8"/>
[... 2 more head elements folded ...]
<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover"/>
[... 79 more head elements folded ...]
<title>Claude Platform
</title>
<meta name="description" content="Build on the Claude Platform"/>
[... 26 more head elements folded ...]
</head>
<body class="bg-page text-primary min-h-screen font-sans" style="font-size:var(--cds-font-size-body)">
<div hidden=""><!--$--><!--/$-->
</div><canvas aria-hidden="true" width="64" height="64" class="pointer-events-none fixed top-0"></canvas><!--$--><!--/$--><!--$--><!--/$-->
<div class="cds-root text-primary contents" data-density="comfortable" data-platform="web" data-font="anthropic" data-page-bg="surface-1" style="font-size:var(--cds-font-size-body);--cds-page-bg:var(--cds-surface-1)"><!--&-->
<div class="flex min-h-screen flex-col bg-surface-1 text-primary">
<div class="contents">
<nav class="fixed inset-x-0 top-0 w-full bg-surface-1" style="z-index:20">
<div class="flex items-center justify-between gap-x-3 max-w-[90rem] mx-auto" style="width:calc(100% - 2 * clamp(2rem, calc(1.43rem + 2.86vw), 4rem))"><a href="/" class="flex items-center h-[4.5rem] min-[69rem]:h-[5.25rem]">
<div data-cds="ProductLogo" class="inline-flex flex-col items-start" style="gap:4px"><span class="whitespace-nowrap font-voice leading-none text-primary" style="font-size:22px;font-weight:500;margin-left:-0.1em;font-optical-sizing:auto;font-variation-settings:&quot;wght&quot; 500;font-feature-settings:&quot;ss01&quot; 1, &quot;dlig&quot; 1">Claude Console</span>
</div></a>
<div class="flex items-center gap-6">
<div class="hidden sm:flex items-center gap-6"><a data-cds="Button" data-cds-ghost="" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interactive)] aria-disabl [... 679 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 998 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">Developer docs</span></a><a data-cds="Button" data-cds-ghost="" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interactive)] aria-disabl [... 687 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 998 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">API reference</span></a><a data-cds="Button" data-cds-ghost="" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interactive)] aria-disabl [... 734 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 998 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">Cookbooks</span></a><a data-cds="Button" data-cds-ghost="" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interactive)] aria-disabl [... 686 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 998 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">Quickstart</span></a><a data-cds="Button" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interactive)] aria-disabled:cursor-default  [... 690 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 1327 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">Contact sales</span></a>
</div>
<div class="min-[69rem]:hidden"><button class="p-2 text-[color:var(--muted-as-secondary,var(--cds-text-muted))] hover:text-primary transition-[color,opacity,outline-color] duration-300 flex flex-col justify-center items-center w-6 h-6 relative opacity- [... 85 characters folded ...]><span class="absolute w-4 h-[1px] bg-current transition-[rotate,translate,color] duration-300 ease-out -translate-y-1.5"></span><span class="absolute w-4 h-[1px] bg-current transition-[opacity,color] duration-300 ease-out opacity-100"></span><span class="absolute w-4 h-[1px] bg-current transition-[scale,rotate,translate,color] duration-300 ease-out scale-x-50 translate-y-1.5 -translate-x-1"></span></button>
</div>
</div>
</div>
</nav>
<div class="hidden sm:block min-[69rem]:hidden fixed inset-0 transition-opacity duration-300 motion-reduce:transition-none pointer-events-none opacity-0" style="z-index:40" aria-hidden="true">
</div>
<div id="_R_1kltd9leailb_" tabindex="-1" role="dialog" aria-label="Menu" inert="" style="z-index:50;clip-path:inset(0 0 100% 0)" class="min-[69rem]:hidden fixed inset-y-0 end-0 w-full outline-none sm:w-[30rem] sm:min-w-[ [... 246 characters folded ...]>
<div class="relative flex h-[72px] items-center justify-between sm:justify-end mx-auto" style="width:calc(100% - 2 * clamp(2rem, calc(1.43rem + 2.86vw), 4rem))">
<div class="pointer-events-none flex items-center sm:hidden">
<div data-cds="ProductLogo" class="inline-flex flex-col items-start" style="gap:4px"><span class="whitespace-nowrap font-voice leading-none text-primary" style="font-size:22px;font-weight:500;margin-left:-0.1em;font-optical-sizing:auto;font-variation-settings:&quot;wght&quot; 500;font-feature-settings:&quot;ss01&quot; 1, &quot;dlig&quot; 1">Claude Console</span>
</div>
</div><button class="p-2 text-[color:var(--muted-as-secondary,var(--cds-text-muted))] hover:text-primary transition-[color,opacity,outline-color] duration-300 flex flex-col justify-center items-center w-6 h-6 relative " aria-label="Close menu"><span class="absolute w-4 h-[1px] bg-current transition-[rotate,translate,color] duration-300 ease-out -translate-y-1.5"></span><span class="absolute w-4 h-[1px] bg-current transition-[opacity,color] duration-300 ease-out opacity-100"></span><span class="absolute w-4 h-[1px] bg-current transition-[scale,rotate,translate,color] duration-300 ease-out scale-x-50 translate-y-1.5 -translate-x-1"></span></button>
</div>
<div class="navbar-mobile-footer relative p-8 pt-4 flex flex-col items-stretch gap-3">
<nav class="flex flex-col items-start gap-xs pb-6"><a data-cds="Button" data-cds-ghost="" data-size="lg" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interactiv [... 724 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 998 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">Developer docs</span></a><a data-cds="Button" data-cds-ghost="" data-size="lg" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interactiv [... 732 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 998 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">API reference</span></a><a data-cds="Button" data-cds-ghost="" data-size="lg" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interactiv [... 779 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 998 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">Cookbooks</span></a><a data-cds="Button" data-cds-ghost="" data-size="lg" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interactiv [... 731 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 998 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">Quickstart</span></a>
</nav><a data-cds="Button" data-size="lg" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interactive)] aria-disabled: [... 705 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 1327 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">Contact sales</span></a>
</div>
</div>
</div>
<div class="h-[4.5rem] min-[69rem]:h-[5.25rem]">
</div>
<main class="flex min-h-[calc(100svh_-_4.5rem)] min-[69rem]:min-h-[calc(100svh_-_5.25rem)] flex-col">
<div class="contents">
<section class="relative isolate flex min-h-[calc(100svh_-_4.5rem)] flex-col items-center justify-center px-6 py-8 md:min-h-0 md:flex-1">
<div aria-hidden="true" class="pointer-events-none absolute inset-0 text-muted [background-image:radial-gradient(color-mix(in_srgb,currentColor_30%,transparent)_1px,transparent_1.2px)] [background-size:14px_14px] [mask-image:radial-gradient(ellipse_65%_55%_at_50%_45%,transparent_15%,black_85%)]">
</div>
<div class="relative flex w-full flex-col items-center gap-md">
<div class="flex w-full flex-col items-center gap-xl">
<div class="flex max-w-md flex-col gap-sm text-center">
<h1 class="mx-auto max-w-[20ch] text-balance text-title font-medium text-primary min-[500px]:text-[36px] min-[500px]:leading-[1.11]">Build on the Claude Platform
</h1>
<p class="text-balance text-body text-secondary">Create agents and applications with frontier Claude models and managed agent infrastructure.
</p>
</div>
<section class="flex w-full max-w-md flex-col gap-md rounded-[2rem] border bg-surface-1 p-xl text-center shadow-lg"><button type="button" disabled="" data-cds="Button" data-size="lg" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-curs [... 704 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 1327 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 "><span class="-ms-1 inline-flex">
<svg width="20" height="20" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">[... 1,196 characters folded ...]
</svg></span><span>Continue with Google</span></span></button>
<p role="status" class="sr-only">
</p>
<p class="text-center text-caption text-secondary uppercase">Or
</p>
<div class="cds-root text-primary contents" data-density="comfortable" data-platform="web" data-font="anthropic" data-page-bg="surface-1" style="font-size:var(--cds-font-size-body);--cds-page-bg:var(--cds-surface-1)">
<form noValidate="" data-cds="Form" class="flex flex-col gap-4 sm:min-w-[20rem]" action="" method="dialog">
<div data-cds="Field" class="flex flex-col gap-xs font-sans"><input data-cds="TextInput" data-size="lg" dir="ltr" data-testid="email" type="email" autoComplete="email" aria-label="Email" placeholder="Enter your email" required="" class="cds-input cds-reset h-control ps-md rounded  [... 436 characters folded ...]>
</div>
<div class="flex flex-col"><span tabindex="-1" data-cds-disabled-reason-wrapper="" class="inline-flex rounded-[calc(var(--cds-radius)+var(--cds-button-radius-add,0px))] outline-none focus-visible:outline-hidden [&amp;[data-initial-focus]:focus]:ou [... 179 characters folded ...]><button type="submit" data-cds="Button" data-size="lg" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interacti [... 699 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-[0.5px] cds-btn-squish stacks:inset-0 stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 654 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">Continue with email</span></button><span id="_R_2jdl5jkltd9leailb_" hidden="" data-cds-disabled-reason=""></span></span>
<div class="overflow-hidden transition-[max-height,opacity,margin] duration-200 ease-in-out max-h-0 opacity-0 mt-0" aria-hidden="true"><button type="button" data-cds="Button" data-size="lg" class="cds-reset group/btn relative isolate inline-flex shrink-0 items-center justify-center gap-1.5 whitespace-nowrap select-none cursor-[var(--cds-cursor-interacti [... 674 characters folded ...]><span aria-hidden="true" class="absolute -z-[1] rounded-[inherit] inset-0 cds-btn-squish stacks:transform-none!"><span data-cds-part="paint" class="absolute inset-0 rounded-[inherit] transition-[background-color,box-shadow,color] stacks:transition-[box-shadow,color] duration-fast ease-out group-focus-visible/btn:shadow-[inset_0_0_0 [... 1327 characters folded ...]></span></span><span class="inline-flex min-w-0 items-center gap-1 ">Continue with SSO</span></button>
</div>
</div>
</form>
</div>
<div class="text-center text-footnote text-muted">By continuing, you agree to Anthropic’s <a data-cds="TextLink" aria-describedby="_R_al5jkltd9leailb_" href="https://www.anthropic.com/legal/archive/af81645b-040b-485c-a4a0-3205ccfb3792" target="_blank" rel="noopener" class="cds-reset cds-text-link cds-text-link-underline inline cursor-pointer">Commercial Terms<span id="_R_al5jkltd9leailb_" hidden="" class="sr-only">(opens in new tab)</span></a> and <a data-cds="TextLink" aria-describedby="_R_il5jkltd9leailb_" href="https://www.anthropic.com/legal/archive/fbaea72f-9ddc-47cc-bb3e-45c94c0b4dd1" target="_blank" rel="noopener" class="cds-reset cds-text-link cds-text-link-underline inline cursor-pointer">Usage Policy<span id="_R_il5jkltd9leailb_" hidden="" class="sr-only">(opens in new tab)</span></a>, and acknowledge our <a data-cds="TextLink" aria-describedby="_R_ql5jkltd9leailb_" href="https://www.anthropic.com/legal/archive/baeb68ac-c81c-4931-9539-58f46b6f090c" target="_blank" rel="noopener" class="cds-reset cds-text-link cds-text-link-underline inline cursor-pointer">Privacy Policy<span id="_R_ql5jkltd9leailb_" hidden="" class="sr-only">(opens in new tab)</span></a>.
</div>
</section>
</div>
</div>
</section>
<div class="flex w-full flex-col items-center gap-6 py-12 mx-auto max-w-[90rem]" style="width:calc(100% - 2 * clamp(2rem, calc(1.43rem + 2.86vw), 4rem))">
<p class="font-voice text-center text-heading text-primary">Companies building with the Claude API
</p>
<div class="flex w-full flex-row flex-wrap items-center justify-center gap-x-2 gap-y-4 md:justify-between"><span class="grid overflow-hidden mvg0YW_slotHidden" style="--slot:0;width:194px;height:56px"><span class="col-start-1 row-start-1 "></span></span><span class="grid overflow-hidden mvg0YW_slotHidden" style="--slot:1;width:194px;height:56px"><span class="col-start-1 row-start-1 "></span></span><span class="grid overflow-hidden mvg0YW_slotHidden" style="--slot:2;width:194px;height:56px"><span class="col-start-1 row-start-1 "></span></span><span class="grid overflow-hidden mvg0YW_slotHidden" style="--slot:3;width:194px;height:56px"><span class="col-start-1 row-start-1 "></span></span><span class="grid overflow-hidden mvg0YW_slotHidden" style="--slot:4;width:194px;height:56px"><span class="col-start-1 row-start-1 "></span></span><span class="grid overflow-hidden mvg0YW_slotHidden" style="--slot:5;width:194px;height:56px"><span class="col-start-1 row-start-1 "></span></span>
</div>
</div>
</div>
</main>
<div class="contents">
<footer class="bg-surface-2 py-16 cds-root text-primary" data-density="compact" data-platform="web" data-font="anthropic" data-page-bg="surface-1" style="font-size:var(--cds-font-size-body);--cds-page-bg:var(--cds-surface-1)">
<div class="max-w-[90rem] mx-auto" style="width:calc(100% - 2 * clamp(2rem, calc(1.43rem + 2.86vw), 4rem))">
<div class="grid grid-cols-1 gap-xl md:grid-cols-12">
<div class="flex flex-col gap-xl md:col-span-4 md:justify-between">
<svg data-cds="ClaudeLogo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 112 24" height="24" fill="currentColor" role="img" aria-label="Claude" shape-rendering="geometricPrecision" class="text-primary self-start">[... 7,808 characters folded ...]
</svg>
<div class="hidden md:block">
<div class="flex flex-col gap-lg">
<div class="flex flex-col gap-xs text-caption text-[color:var(--muted-as-secondary,var(--cds-text-muted))]">
<svg data-cds="AnthropicLogo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 110 12" height="14" fill="currentColor" role="img" aria-label="Anthropic" class="self-start">[... 2,057 characters folded ...]
</svg>© 2026 ANTHROPIC PBC
</div>
<div class="flex gap-lg"><a href="https://x.com/claudeai" class="-m-pad-xs rounded p-xs text-[color:var(--muted-as-secondary,var(--cds-text-muted))] outline-none focus-visible:outline-hidden transition-colors duration-fast hover:text-primary foc [... 83 characters folded ...]>
<svg xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewBox="0 0 17 17" fill="none" class="size-4">[... 191 characters folded ...]
</svg></a><a href="https://www.threads.com/@claudeai" class="-m-pad-xs rounded p-xs text-[color:var(--muted-as-secondary,var(--cds-text-muted))] outline-none focus-visible:outline-hidden transition-colors duration-fast hover:text- [... 90 characters folded ...]>
<svg xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewBox="0 0 976.98 1082" fill="none" class="size-4">[... 500 characters folded ...]
</svg></a><a href="https://www.linkedin.com/showcase/claude" class="-m-pad-xs rounded p-xs text-[color:var(--muted-as-secondary,var(--cds-text-muted))] outline-none focus-visible:outline-hidden transition-colors duration-fast hove [... 98 characters folded ...]>
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="17" viewBox="0 0 16 17" fill="none" class="size-4">[... 418 characters folded ...]
</svg></a><a href="https://www.youtube.com/@anthropic-ai" class="-m-pad-xs rounded p-xs text-[color:var(--muted-as-secondary,var(--cds-text-muted))] outline-none focus-visible:outline-hidden transition-colors duration-fast hover:t [... 94 characters folded ...]>
<svg xmlns="http://www.w3.org/2000/svg" width="17" height="12" viewBox="0 0 17 12" fill="none" class="size-4">[... 546 characters folded ...]
</svg></a><a href="https://instagram.com/claudeai" class="-m-pad-xs rounded p-xs text-[color:var(--muted-as-secondary,var(--cds-text-muted))] outline-none focus-visible:outline-hidden transition-colors duration-fast hover:text-pri [... 89 characters folded ...]>
<svg xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewBox="0 0 17 17" fill="none" class="size-4">[... 1,579 characters folded ...]
</svg></a>
</div>
</div>
</div>
</div>
<div class="flex flex-col gap-xl md:col-span-8">
<div class="grid grid-cols-2 gap-xl md:hidden">
<div class="flex flex-col gap-xs">
<h3 id="_R_5kkltd9leailb_" class="text-caption-medium text-secondary">Products
</h3>
<ul role="list" aria-labelledby="_R_5kkltd9leailb_" class="footer-column text-footnote">
<li><a href="https://claude.com/product/overview" class="inline-block min-h-control rounded py-xs text-start text-primary outline-none focus-visible:outline-hidden focus-visible:shadow-focus">Claude</a>
</li>
<li><a href="https://claude.com/product/claude-code" class="inline-block min-h-control rounded py-xs text-start text-primary outline-none focus-visible:outline-hidden focus-visible:shadow-focus">Claude Code</a>
</li>
<li><a href="https://claude.com/product/tag" class="inline-block min-h-control rounded py-xs text-start text-primary outline-none focus-visible:outline-hidden focus-visible:shadow-focus">@Claude</a>
</li>
<li><a href="https://claude.com/product/claude-science" class="inline-block min-h-control rounded py-xs text-start text-primary outline-none focus-visible:outline-hidden focus-visible:shadow-focus">Claude Science</a>
</li>
<li><a href="https://claude.com/product/claude-security" class="inline-block min-h-control rounded py-xs text-start text-primary outline-none focus-visible:outline-hidden focus-visible:shadow-focus">Claude Security</a>
</li>
<li><a href="/download" class="inline-block min-h-control rounded py-xs text-start text-primary outline-none focus-visible:outline-hidden focus-visible:shadow-focus">Download app</a>
</li>
<li><a href="https://claude.com/pricing" class="inline-block min-h-control rounded py-xs text-start text-primary outline-none focus-visible:outline-hidden focus-visible:shadow-focus">Pricing</a>
</li>
<li><a href="/login" class="inline-block min-h-control rounded py-xs text-start text-primary outline-none focus-visible:outline-hidden focus-visible:shadow-focus">Log in</a>

Shown with 63 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 198 KB.

Reading view the text a plain-fetch client can extract

title: Claude Platform

Build on the Claude Platform

Claude Console Developer docs API reference Cookbooks Quickstart Contact sales Claude Console Developer docs API reference Cookbooks Quickstart Contact sales Build on the Claude Platform Create agents and applications with frontier Claude models and managed agent infrastructure. Continue with Google Or Continue with email Continue with SSO By continuing, you agree to Anthropic’s Commercial Terms(opens in new tab) and Usage Policy(opens in new tab) , and acknowledge our Privacy Policy(opens in new tab) . Companies building with the Claude API © 2026 ANTHROPIC PBC Products Claude Claude Code @Claude Claude Science Claude Security Download app Pricing Log in Capabilities Artifacts Design Connectors Plugins Skills Extensions Claude in Chrome Claude for Google Workspace Claude for Microsoft 365 Models Mythos Fable Opus Sonnet Haiku Enterprise Overview Claude Code for Enterprise Departments Customer support Cybersecurity Legal Sales Industries Financial advisors Financial services Government Healthcare Higher education K-12 teachers Life sciences Nonprofits Small business Programs Campus Frontier Academy Scientists Startups Developers Developer docs Developer blog Community Console Engineering at Anthropic Platform Overview Marketplace Claude on AWS Google Cloud Microsoft Foundry Resources Overview Articles Webinars Claude partner network Claude Academy Customer stories Events Powered by Claude Service partners Help and security Availability Check files Regional

230 more words follow in the initial HTML.

3 found, 2 missing, 2 notes, from 7 checks run

  • H1Found
  • 200 wordsFound
  • llms.txtNote
  • MarkdownMissing
  • Missing pathFound
  • JSON-LDMissing
  • OpenAPINote
What a plain fetch found on platform.claude.com
CheckResultDetail
H1 in the initial HTMLFound one H1First H1: Build on the Claude Platform
First 200 words in the initial HTMLFound 200 of 200 wordsThe initial HTML carries 430 words of visible text; the first 200 are marked in the left pane.
llms.txt present and linkedNote present, not linked97976 bytes, 887 links. Structure grade B (5 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 typesMissing noneNo JSON-LD block on the home page. Ora's lab found it made no difference when the answer was already in the HTML; Google says it is not needed for AI features.
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 platform.claude.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