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.
The page answers a plain fetch: 6 of 6 checks found.
Initial HTML what a plain fetch receives
<!DOCTYPE html>
<html data-dpl-id="dpl_3SQSHQXWrZj6xQXTkHCFbrZdseb7" id="__pm_html" lang="en" data-nav="v2" data-us-geo-arm="on" data-carousel-arm="on">
<head>
<meta charSet="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, viewport-fit=cover"/>
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<link rel="describedby" href="https://polymarket.com/llms.txt"/>
[... 4 more head elements folded ...]
<title>Polymarket | The World’s Largest Prediction Market™
</title>
<meta name="description" content="Polymarket is the world’s largest prediction market, allowing you to stay informed and profit from your knowledge by trading on future events across various topics."/>
[... 2 more head elements folded ...]
<meta name="robots" content="index, follow, max-video-preview:-1, max-image-preview:large, max-snippet:-1"/>
[... 1 more head element folded ...]
<link rel="canonical" href="https://polymarket.com"/>
<link rel="alternate" hrefLang="en" href="https://polymarket.com"/>
<link rel="alternate" hrefLang="bn" href="https://polymarket.com/bn"/>
<link rel="alternate" hrefLang="de" href="https://polymarket.com/de"/>
<link rel="alternate" hrefLang="es" href="https://polymarket.com/es"/>
<link rel="alternate" hrefLang="fr" href="https://polymarket.com/fr"/>
<link rel="alternate" hrefLang="hi" href="https://polymarket.com/hi"/>
<link rel="alternate" hrefLang="id" href="https://polymarket.com/id"/>
<link rel="alternate" hrefLang="it" href="https://polymarket.com/it"/>
<link rel="alternate" hrefLang="ja" href="https://polymarket.com/ja"/>
<link rel="alternate" hrefLang="pl" href="https://polymarket.com/pl"/>
<link rel="alternate" hrefLang="ru" href="https://polymarket.com/ru"/>
<link rel="alternate" hrefLang="th" href="https://polymarket.com/th"/>
<link rel="alternate" hrefLang="tl" href="https://polymarket.com/tl"/>
<link rel="alternate" hrefLang="uk" href="https://polymarket.com/uk"/>
<link rel="alternate" hrefLang="vi" href="https://polymarket.com/vi"/>
<link rel="alternate" hrefLang="zh" href="https://polymarket.com/zh"/>
<link rel="alternate" hrefLang="zh-hant" href="https://polymarket.com/zh-hant"/>
<link rel="alternate" hrefLang="x-default" href="https://polymarket.com"/>
<link rel="alternate" hrefLang="en-US" href="https://polymarket.us"/>
[... 35 more head elements folded ...]
</head>
<body id="__pm_body" class="antialiased" style="font-family:'interCore', 'interExtended', 'interCore Fallback';font-style:normal;--font-inter:'interCore', 'interExtended' [... 308 characters folded ...]>
<div hidden=""><!--$--><!--/$-->
</div><!--&-->
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</script>
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</script>
<div class="min-h-dvh bg-pk-surface text-pk-content-primary">
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</script><!--$!--><template data-dgst=""></template><!--/$--><!--$!--><template data-dgst=""></template><!--/$--><!--$!--><template data-dgst=""></template><!--/$--><!--$!--><template data-dgst=""></template><!--/$--><!--$!--><template data-dgst=""></template><!--/$--><!--$!--><template data-dgst=""></template><!--/$--><!--$!--><template data-dgst=""></template><!--/$--><!--$--><!--/$--><!--$--><span hidden="" class="peer/shell"></span><!--/$-->
<div data-vaul-drawer-wrapper="" class="bg-pk-surface transition-[--navbar-height] duration-200 ease-out motion-reduce:transition-none [--navbar-expanded-height:var(--navbar-height)] peer-data-[shell-wide-frame]/shell:[- [... 377 characters folded ...]><!--$?--><template id="B:2"></template><a href="#__pm_main" class="sr-only focus:not-sr-only focus:fixed focus:top-4 focus:left-4 focus:z-50 focus:rounded-lg focus:bg-pk-brand-500 focus:px-4 focus:py-2 focus:text-white focus:text-body-sm focus:font-medium">Skip to main content</a>
<div class="us-geoblock-banner relative z-31 lg:hidden">
<div role="status" class="flex w-full items-center gap-5 bg-pk-grouped px-5 py-3 text-pk-content-primary">
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</svg>
<div class="flex min-w-0 flex-wrap items-center gap-x-2 gap-y-0.5">
<p class="text-body-sm">To trade in the US, go to <a href="https://polymarket.us/?signup=true&referring_domain=polymarket.com&referring_surface=banner" target="_blank" rel="noopener noreferrer" class="inline-flex items-center gap-0.5 font-medium underline underline-offset-2 hover:no-underline">polymarket.us
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</div>
<div aria-hidden="true" class="pointer-events-none absolute -bottom-8 size-8 left-0 bg-[radial-gradient(circle_32px_at_100%_100%,transparent_32px,var(--color-pk-grouped)_32px)]">
</div>
<div aria-hidden="true" class="pointer-events-none absolute -bottom-8 size-8 right-0 bg-[radial-gradient(circle_32px_at_0%_100%,transparent_32px,var(--color-pk-grouped)_32px)]">
</div>
</div>
<nav aria-label="Main" class="group/mobile-navbar peer/mobile-navbar flex flex-col inset-x-0 w-full sticky top-0 z-30 bg-pk-surface box-border overflow-visible [[data-nav=v2]_&]:not-lg:bg-transparent [[data-nav=v2]_&]:not-lg:pointer-events-none">
<div class="pointer-events-none absolute bottom-0 left-0 right-0 h-px bg-pk-border [[data-nav=v2]_&]:bottom-[0.5px] transition-[translate] duration-200 ease-out motion-reduce:transition-none not-lg:group-data-[mobile [... 103 characters folded ...]>
</div>
<div class="max-w-[var(--page-max-width,1350px)] w-full pt-3 pb-1 md:pb-2 z-31 flex gap-4 mx-auto items-center px-4 lg:px-6 justify-between md:min-h-[68px] transition-[max-width] duration-150 ease-out motion-reduce:trans [... 403 characters folded ...]>
<div class="w-fit shrink-0 h-10 cursor-pointer flex items-center gap-1 [[data-nav=v2]_&]:lg:gap-4"><a aria-label="Polymarket Logo" href="/">
<svg viewBox="0 0 911 168" fill="none" role="img" aria-labelledby="polymarket-logo-title" xmlns="http://www.w3.org/2000/svg" class="max-[400px]:w-auto h-6 w-auto cursor-pointer [&_path]:fill-pk-content-primary px-2.5 [... 99 characters folded ...]>[... 7,016 characters folded ...]
</svg></a>
<div class="hidden [[data-nav=v2]_&]:lg:block"><button type="button" class="group relative flex h-10 cursor-pointer items-center gap-0.5 rounded-lg pl-3 pr-2 text-[15px] font-semibold text-pk-content-primary outline-none transition-colors duration-150 hover:bg-pk-hover-overlay-darker focus-visible:ring-2 focus-visible:ring-pk-brand-600"><span aria-hidden="true" class="absolute left-0 top-1/2 h-3.5 w-0.5 -translate-y-1/2 rounded-full bg-pk-gray-200 group-hover:opacity-0"></span><span class="hidden [[data-nav-section=predict]_&]:inline">Predict</span><span class="hidden [[data-nav-section=perps]_&]:inline">Perps</span><span class="sr-only">Sections</span>
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="none" viewBox="0 0 20 20" aria-hidden="true" class="text-pk-content-secondary transition-transform duration-200 motion-reduce:transition-none">[... 166 characters folded ...]
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<form class="relative w-full min-w-0 max-w-full p-4 lg:max-w-[600px] lg:p-0"><label data-polykit="true" data-slot="search-input" data-variant="subtle" data-size="default" class="group/search flex items-center relative w-full cursor-text border transition-colors focus-within:bg-pk-gray-50 focus-wi [... 229 characters folded ...]><span class="shrink-0 text-pk-gray-900 [&_svg]:size-5">
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<div class="flex min-w-0 flex-1 items-center gap-0.5 px-1"><input type="text" class="min-w-0 flex-1 bg-transparent text-heading-base font-medium text-pk-gray-900 outline-none placeholder:text-pk-gray-900/30" placeholder="Search polymarkets..." aria-label="Search" autoComplete="off" id="search-input" value=""/>
</div></label>
</form>
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<div class="flex items-center gap-x-2 shrink min-w-0 md:shrink-0 md:min-w-fit [[data-nav=v2]_&]:shrink-0 [[data-nav=v2]_&]:min-w-fit [[data-nav=v2]_&]:lg:justify-self-end [[data-nav=v2][data-us-geo-arm=on][da [... 129 characters folded ...]>
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<div class="grid transition-[opacity,translate] duration-200 ease-out motion-reduce:transition-none [[data-nav=v2]_&]:not-lg:relative [[data-nav=v2]_&]:not-lg:bg-pk-surface [[data-nav=v2]_&]:not-lg:pointer-ev [... 441 characters folded ...]>
<div class="min-h-0 overflow-hidden">
<div class="max-w-[var(--page-max-width,1350px)] w-full flex px-4 lg:px-6 mx-auto min-w-0 overflow-x-auto transition-[max-width] duration-150 ease-out motion-reduce:transition-none"><!--$--><!--/$-->
<div class="contents [[data-nav=v2][data-nav-section=perps]_&]:hidden">
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<div data-polykit="true" data-slot="nav-tabs" data-size="default" class="relative flex items-center h-full w-max min-w-full [[data-nav=v2]_&]:*:data-[slot=nav-tab-item]:px-2 [[data-nav=v2]_&]:*:data-[slot=nav-tab-item]:first:pl-0" data-nav-row="predict" data-home-param="t"><a data-tab-paths="/trending" data-tab-exact="" data-slot="nav-tab-item" class="relative inline-flex items-center justify-center gap-1.5 shrink-0 cursor-pointer select-none outline-none transition-colors data-[active]:te [... 473 characters folded ...]><span data-slot="nav-tab-content" class="inline-flex items-center gap-1.5"><span class="relative z-10 inline-flex items-center justify-center [&_svg]:size-5 [&_svg]:shrink-0">
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</div></span><span class="relative z-10 text-heading-base font-semibold">Live</span></span></a>
<div class="hidden lg:flex h-3.5 w-0.5 rounded-full bg-pk-gray-200 mx-2 shrink-0">
</div><a data-slot="nav-tab-item" class="relative inline-flex items-center justify-center gap-1.5 shrink-0 cursor-pointer select-none outline-none transition-colors data-[active]:text-pk-gray-900 focus-visible:outline-hidden f [... 351 characters folded ...]><span data-slot="nav-tab-content" class="inline-flex items-center gap-1.5"><span class="relative z-10 text-heading-base font-semibold">Politics</span></span></a><a data-slot="nav-tab-item" class="relative inline-flex items-center justify-center gap-1.5 shrink-0 cursor-pointer select-none outline-none transition-colors data-[active]:text-pk-gray-900 focus-visible:outline-hidden f [... 349 characters folded ...]><span data-slot="nav-tab-content" class="inline-flex items-center gap-1.5"><span class="relative z-10 text-heading-base font-semibold">Sports</span></span></a><a data-slot="nav-tab-item" class="relative inline-flex items-center justify-center gap-1.5 shrink-0 cursor-pointer select-none outline-none transition-colors 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Shown with 870 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 1.4 MB.
Reading view the text a plain-fetch client can extract
title: Polymarket | The World’s Largest Prediction Market™
Polymarket | The World’s Largest Prediction Market™
Skip to main content To trade in the US, go to polymarket.us PredictPerpsSections Trending Combos Perps Breaking New Live Politics Sports Crypto Esports Iran Finance Geopolitics Tech Elections Culture Economy Weather Mentions Art More More To trade in the US, go to polymarket.us Polymarket | The World’s Largest Prediction Market™ Featured markets Chelsea vs. Sunderland Sports · Soccer · Premier League Chelsea vs. Sunderland Sports · Soccer · Premier League Chelsea DRAW Sunderland Spread 1.5 2.5 3.5 CHE -1.5 SUN +1.5 Total 0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 8.5 O 2.5 U 2.5 Spread 1.5 2.5 3.5 CHE -1.5 SUN +1.5 Total 0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 8.5 O 2.5 U 2.5 Chelsea 2:00 PMNovember 8 Sunderland $6M Vol Who will leave Trump Administration before 2027? Pete Hegseth 39% Kristi Noem 28% Kash Patel 22% Howard Lutnick 16% Bloomberg ・ Exit Talk Swirls Around Trump Team After Election Rout The New York Times ・ Rubio Dismisses Reports He Will Leave His Jobs to Run for President The Washington Post ・ Susie Wiles’s exit adds to list of women leaving top roles in Trump administration Reuters ・ Rubio tells NYT serving Trump to end of term
3330 more words follow in the initial HTML.
| Check | Result | Detail |
|---|---|---|
| H1 in the initial HTML | Found one H1 | First H1: Polymarket | The World’s Largest Prediction Market™ |
| First 200 words in the initial HTML | Found 200 of 200 words | The initial HTML carries 3530 words of visible text; the first 200 are marked in the left pane. |
| llms.txt present and linked | Found present and linked | 9642 bytes, 55 links. Structure grade A (6 of 6). The home page links it, which is how agents reached it in Ora's lab. |
| Markdown on request | Found text/markdown | Accept: text/markdown returned 200 with text/markdown; charset=utf-8. Vary: Accept is set. |
| Status of a made-up path | Found 404 | /agent-ready-html-missing-path-check returned 404: a real status code for a missing page. |
| JSON-LD types | Found CollectionPage, Event, ItemList, ListItem and 6 more | 10 schema.org types in JSON-LD blocks on the home page: CollectionPage, Event, ItemList, ListItem, Offer, Organization, QuantitativeValue, VirtualLocation, WebApplication, WebSite. |
| OpenAPI link | Note none on the home page | No 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 polymarket.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
- Ora: AgentReady launch post (Ora's lab findings) https://ora.ai/blog/agentready-launch, read 4 November 2026
- Ora check catalogue, contract 1.38.0 (132 checks, 42 in the Access layer) https://ora.ai/api/checks, read 5 November 2026
- Ora home page (the fixing product is behind a waitlist) https://ora.ai/, read 5 November 2026
- Ora: Introducing Deep Scan (repeat scans) https://ora.ai/blog/introducing-deep-scan, read 5 November 2026
- Ora llms.txt (public URLs only) https://ora.ai/llms.txt, read 5 November 2026
- Vercel: Make your site readable by AI agents https://vercel.com/kb/guide/make-your-site-readable-by-ai-agents, read 4 November 2026
- llms.txt proposal (llmstxt.org) https://llmstxt.org/, read 4 November 2026
Last reviewed 5 November 2026