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://suno.com/ answered 200 with text/html, 311 KB, read 8 November 2026, 13:50 UTC.

Permalink: /viewer/?url=https://suno.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_2JDmiz34CmoER59jvyLv1hT1sLNw" lang="en" data-theme="dark" data-polarity="dark">
<head>
<meta charSet="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
[... 153 more head elements folded ...]
<title>Suno | AI Music Generator
</title>
<meta name="description" content="Create stunning original music for free in seconds using our AI generator. Make your own masterpieces, share with friends, and discover music from artists worldwide."/>
[... 2 more head elements folded ...]
<link rel="canonical" href="https://suno.com/"/>
<link rel="alternate" hrefLang="en" href="https://suno.com/"/>
<link rel="alternate" hrefLang="es" href="https://suno.com/es"/>
<link rel="alternate" hrefLang="fr" href="https://suno.com/fr"/>
<link rel="alternate" hrefLang="de" href="https://suno.com/de"/>
<link rel="alternate" hrefLang="hi" href="https://suno.com/hi"/>
<link rel="alternate" hrefLang="id" href="https://suno.com/id"/>
<link rel="alternate" hrefLang="ja" href="https://suno.com/ja"/>
<link rel="alternate" hrefLang="ko" href="https://suno.com/ko"/>
<link rel="alternate" hrefLang="pt-BR" href="https://suno.com/pt-br"/>
<link rel="alternate" hrefLang="pt-PT" href="https://suno.com/pt-pt"/>
<link rel="alternate" hrefLang="ru" href="https://suno.com/ru"/>
<link rel="alternate" hrefLang="tr" href="https://suno.com/tr"/>
<link rel="alternate" hrefLang="vi" href="https://suno.com/vi"/>
<link rel="alternate" hrefLang="th" href="https://suno.com/th"/>
<link rel="alternate" hrefLang="it" href="https://suno.com/it"/>
<link rel="alternate" hrefLang="pl" href="https://suno.com/pl"/>
<link rel="alternate" hrefLang="sv" href="https://suno.com/sv"/>
<link rel="alternate" hrefLang="nl" href="https://suno.com/nl"/>
<link rel="alternate" hrefLang="zh-CN" href="https://suno.com/zh-cn"/>
<link rel="alternate" hrefLang="zh-TW" href="https://suno.com/zh-tw"/>
<link rel="alternate" hrefLang="uk" href="https://suno.com/uk"/>
<link rel="alternate" hrefLang="cs" href="https://suno.com/cs"/>
<link rel="alternate" hrefLang="nb" href="https://suno.com/nb"/>
<link rel="alternate" hrefLang="ro" href="https://suno.com/ro"/>
<link rel="alternate" hrefLang="hu" href="https://suno.com/hu"/>
<link rel="alternate" hrefLang="da" href="https://suno.com/da"/>
<link rel="alternate" hrefLang="el" href="https://suno.com/el"/>
<link rel="alternate" hrefLang="ar" href="https://suno.com/ar"/>
<link rel="alternate" hrefLang="he" href="https://suno.com/he"/>
<link rel="alternate" hrefLang="x-default" href="https://suno.com/"/>
[... 25 more head elements folded ...]
</head>
<body style="overflow-y:hidden">
<div hidden=""><!--$--><!--/$-->
</div>
<div class="flex h-dvh w-full flex-col overflow-x-hidden">
<div class="relative isolate flex-1 overflow-hidden">
<script type="application/ld+json">{"@context":"https://schema.org","@type":"WebSite","name":"Suno","url":"https://suno.com/"}
</script>
<script type="application/ld+json">[... 582 characters folded ...]
</script>
<script type="application/ld+json">[... 1,923 characters folded ...]
</script><!--$!--><template data-dgst=""></template><!--/$-->
<div class="h-full w-full bg-background-primary">
<div data-scroll-root="true" class="scrollbar-hide relative flex h-full w-full flex-col overflow-x-hidden overflow-y-scroll scroll-smooth pb-(--appsell-bar-height)">
<div class="absolute inset-0 z-0 h-full w-full" style="background-image:url(&quot;data:image/jpeg;base64,/9j/4AAQSkZJRgABAgAECwQAAAD//gAQTGF2YzYwLjMxLjEwMgD/2wBDAAgUFBcUFxsbGxsbGyAeICEhISAgICAhISEkJCQqKiokJCQhISQkKCgqKi4 [... 532 characters folded ...]><picture><source type="image/avif" srcSet="https://cdn-o.suno.com/Aura-1-Hero-Web-w1440.avif 1440w"/><img class="absolute inset-0 h-full w-full object-cover" src="https://cdn-o.suno.com/Aura-1-Hero-Web.jpg" srcSet="https://cdn-o.suno.com/Aura-1-Hero-Web.jpg 1440w" alt="" fetchPriority="high"/></picture>
<div style="position:absolute;inset:0;background:linear-gradient(180deg, rgba(16, 16, 18, 0.00) 0%, #101012 100%)">
</div>
</div>
<div class="fixed right-0 left-0 top-0 z-[60] w-full overflow-x-clip">
<div class="absolute inset-0 bg-background-primary/60 backdrop-blur-xl backdrop-saturate-150 transition-opacity duration-200 ease-[cubic-bezier(0.33,1,0.68,1)] motion-reduce:transition-none opacity-100" aria-hidden="true">
</div>
<div class="relative public-site-container flex min-h-public-site-nav items-center justify-between py-5">
<div class="flex items-center gap-10 md:flex-1">
<div class="flex items-center gap-3"><!--$?--><template id="B:0"></template><!--/$--><a class="relative inline-block h-[1.212125rem] w-[4.919313rem]" href="/home">
<svg width="606" height="149" viewBox="0 0 606 149" fill="currentColor" xmlns="http://www.w3.org/2000/svg" class="[&amp;_path]:transition-[d] [&amp;_path]:duration-[3s] block h-full w-full object-contain" aria-label="Suno logo">[... 5,781 characters folded ...]
</svg></a>
</div><!--$?--><template id="B:1"></template><!--/$-->
</div>
<div class="flex items-center justify-end gap-[0.625rem] md:flex-1">
<div class="flex items-center gap-[0.625rem]"><!--$?--><template id="B:2"></template>
<div role="status" class="lg:hidden max-[22rem]:hidden">
<div class="h-9 w-16 animate-pulse rounded-full bg-white/10">
</div><span class="sr-only">Loading</span>
</div>
<div role="status" class="hidden items-center gap-[0.625rem] lg:flex">
<div class="h-9 w-16 animate-pulse rounded-full bg-white/10">
</div>
<div class="h-9 w-20 animate-pulse rounded-full bg-white/10">
</div><span class="sr-only">Loading</span>
</div><!--/$--><button type="button" tabindex="0" class="hxc-btn-base hxc-btn-variant-aura hxc-btn-size-small type-button-medium hxc-btn-shape-pill hxc-btn-background lg:hidden"><span aria-hidden="true" class="hxc-btn-tap-target"></span><span aria-hidden="true" class="hxc-btn-overlay-slot hxc-btn-border"></span><span class="hxc-btn-content"><span class="hxc-btn-label">Open App</span></span></button>
</div>
</div>
</div>
</div>
<div class="relative z-10">
<div class="relative flex min-h-[100svh] flex-col items-center justify-center py-20 " style="opacity:1;transform:none">
<div class="absolute left-0 top-1/2 hidden w-40 md:w-48 lg:w-52 min-[1024px]:lg:block" style="perspective:1000px;transform-style:preserve-3d;opacity:1;transform:translateZ(50px) translateY(-50%) scale(1.15) rotateZ(-8deg)">
<div class="cursor-pointer shadow-2xl [filter:blur(1.1px)_brightness(0.5)_drop-shadow(0_25px_50px_rgba(0,0,0,0.5))] transition-[filter] duration-500 ease-out hover:[filter:blur(0px)_brightness(1)_drop-shadow(0_25px_50px_rgba(0,0,0,0.8))]">
<div class="h-full w-full">
<div class="relative h-full w-full origin-top overflow-hidden rounded-[0.75rem] transition-transform duration-300 hover:scale-[102%] md:h-[19.4375rem]"><picture><source media="(min-width: 1024px)" srcSet="https://cdn2.suno.ai/9f5adfa3-865d-482f-9ce6-38f5cc05a8ae_33944454.jpeg?width=360"/><img alt="" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=" class="h-full w-full object-cover" loading="eager"/></picture>
</div>
</div>
</div>
</div>
<div class="absolute right-0 top-1/2 hidden w-40 md:w-48 lg:w-52 min-[1024px]:lg:block" style="perspective:1000px;transform-style:preserve-3d;opacity:1;transform:translateZ(50px) translateY(-50%) scale(1.15) rotateZ(8deg)">
<div class="cursor-pointer shadow-2xl [filter:blur(1.1px)_brightness(0.5)_drop-shadow(0_25px_50px_rgba(0,0,0,0.5))] transition-[filter] duration-500 ease-out hover:[filter:blur(0px)_brightness(1)_drop-shadow(0_25px_50px_rgba(0,0,0,0.8))]">
<div class="h-full w-full">
<div class="relative h-full w-full origin-top overflow-hidden rounded-[0.75rem] transition-transform duration-300 hover:scale-[102%] md:h-[19.4375rem]"><picture><source media="(min-width: 1024px)" srcSet="https://cdn2.suno.ai/video_upload_02d2f2df-c728-4147-b6ef-826be2fc359d_video_upload_02d2f2df-c728-4147-b6ef-826be2fc359d_cover_snapshot_0s_1788984427_image.jpeg?width=360"/><img alt="" src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=" class="h-full w-full object-cover" loading="eager"/></picture>
</div>
</div>
</div>
</div><!--$?--><template id="B:3"></template>
<div role="status" class="relative z-10 flex w-full items-center justify-center">
<div class="h-8 w-8 animate-spin rounded-full border-2 border-white/20 border-t-white">
</div><span class="sr-only">Loading</span>
</div><!--/$-->
</div><!--$?--><template id="B:4"></template>
<div role="status" class="relative z-10 flex w-full items-center justify-center min-h-[100svh]">
<div class="h-8 w-8 animate-spin rounded-full border-2 border-white/20 border-t-white">
</div><span class="sr-only">Loading</span>
</div><!--/$-->
</div>
</div>
</div><!--$--><!--/$--><!--$!--><template data-dgst=""></template><!--/$--><!--$!--><template data-dgst=""></template><!--/$--><!--$!--><template data-dgst=""></template><!--/$-->
</div>
</div><!--$!--><template data-dgst=""></template><!--/$-->
<script>requestAnimationFrame(function(){$RT=performance.now()});
</script>
<script id="_R_">[... 1,144 characters folded ...]
</script>
<script src="/_next/static/immutable/chunks/3x32cuu1iiknb.js" async="">
</script>
<div hidden id="S:0"><button type="button" tabindex="0" aria-label="Open menu" aria-haspopup="menu" aria-expanded="false" id="base-ui-_R_1lbakauolaqivb_" class="hxc-btn-base hxc-btn-variant-tertiary-legacy hxc-btn-size-small type-button-medi [... 127 characters folded ...]><span aria-hidden="true" class="hxc-btn-tap-target"></span><span aria-hidden="true" class="hxc-btn-overlay-slot hxc-btn-border"></span><span class="hxc-btn-content">
<svg width="1em" height="1em" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" class="hxc-btn-icon"><path d="M4 7h16M4 12h16M4 17h16"></path>
</svg></span></button>
</div>
<script>[... 845 characters folded ...]
</script>
<div hidden id="S:1">
<nav aria-label="Primary navigation" class="hidden lg:block">
<ul class="flex items-center gap-1">
<li><button type="button" aria-disabled="false" tabindex="0" aria-expanded="false" data-base-ui-navigation-menu-trigger="" class="flex cursor-pointer items-center gap-1 rounded-full px-3 py-1.5 text-[0.9375rem] leading-6 fon [... 95 characters folded ...]><span>Products</span><span aria-hidden="true" class="transition-transform data-popup-open:rotate-180">
<svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 24 24" fill="currentColor" class="size-3 shrink-0" aria-hidden="true">[... 128 characters folded ...]
</svg></span></button>
</li>
<li><button type="button" aria-disabled="false" tabindex="0" aria-expanded="false" data-base-ui-navigation-menu-trigger="" class="flex cursor-pointer items-center gap-1 rounded-full px-3 py-1.5 text-[0.9375rem] leading-6 fon [... 95 characters folded ...]><span>Resources</span><span aria-hidden="true" class="transition-transform data-popup-open:rotate-180">
<svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 24 24" fill="currentColor" class="size-3 shrink-0" aria-hidden="true">[... 128 characters folded ...]
</svg></span></button>

Shown with 152 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 311 KB.

Reading view the text a plain-fetch client can extract

title: Suno | AI Music Generator

Make any song you can imagine

Loading Loading Open App Loading Loading Products Resources Pricing Careers Log in Log in Join Suno for free Make any song you can imagine Make any song you can imagine Make any song you can imagine Start with a simple prompt or dive into our pro editing tools, your next track is just a step away. Advanced Create Start making music for free Select the plan that best fits your needs The #1 AI music app Where you can discover, create and share from anywhere because music has no boundaries. 4.94.9 stars 1M+ reviews Download on iPhone 4.84.8 stars 2.3M+ reviews Download on Android Mind blowing song quality Whether you have a melody in your head, lyrics you've written, or just a feeling you want to hear—Suno makes high-quality music creation accessible to all 528K 43K 1nes and zer0s INJURY 645K 51K A new world EpicGarage 712K 57K Together in Respect evalena 392K 31K pick [n]one MC Escher 371K 30K deadstar madebyanubis 254K 22K Stay or Leave M.F[T.O] Beats 🌃 384K 31K Dancing With My Eyes Closed Raymond 498K 39K This Is My World ( V6 Edition ) Zombie Robby 463K 37K Porch Light On kealix 240K 20K No More...

889 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 suno.com
Check	Result	Detail
H1 in the initial HTML	Found 6 H1 elements	First H1: Make any song you can imagine
First 200 words in the initial HTML	Found 200 of 200 words	The initial HTML carries 1089 words of visible text; the first 200 are marked in the left pane.
llms.txt present and linked	Note present, not linked	11816 bytes, 0 links. Structure grade C (4 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 request	Missing 200 text/html	Accept: text/markdown returned 200 with text/html; charset=utf-8. The server ignores the header.
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 Answer, FAQPage, Offer, Organization and 4 more	8 schema.org types in JSON-LD blocks on the home page: Answer, FAQPage, Offer, Organization, PostalAddress, Question, SoftwareApplication, 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 suno.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