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: 4 of 6 checks found.
Initial HTML what a plain fetch receives
<!DOCTYPE html><html class="" lang="de">
<head>
[... 2 more head elements folded ...]
<meta http-equiv="content-type" content="text/html;charset=UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<meta name="description" content="✓ Kostenlose und schnelle Anzeigenaufgabe ✓ In Millionen gewerblichen und privaten Kleinanzeigen suchen ✓ Neu oder gebraucht ✓ In Deutschland und Umgebung"/>
<meta name="robots" content="index, follow"/>
[... 10 more head elements folded ...]
<link href="https://www.markt.de/" rel="canonical"/>
<link href="https://www.markt.de/" rel="alternate" hreflang="de-DE"/>
<link href="https://www.markt.ch/" rel="alternate" hreflang="de-CH"/>
<link href="https://www.markt.de/" rel="alternate" hreflang="x-default"/>
[... 6 more head elements folded ...]
<title>Kostenlose Kleinanzeigen in Deutschland | markt.de</title>
[... 20 more head elements folded ...]
</head>
<body class="">
<script type="text/javascript">[... 240 characters folded ...]</script>
<script src="https://static.markt.de/bundles/7idjhd69/js/gocam-avs/avsJsSdkV1.js"></script>
<noscript>[... 143 characters folded ...]</noscript>
<script>[... 438 characters folded ...]</script>
<form id="prg_form" method="post" action="/urlMaskingRedirect.htm" onsubmit="return processPrg();"><input id="prg_input_url" type="hidden" name="targetUrl"/></form>
<div id="clsy-body-components-top"><style>[... 725 characters folded ...]</style>
<script type="text/javascript">[... 233 characters folded ...]</script>
<script type="text/javascript">[... 2,239 characters folded ...]</script>
</div>
<div class="clsy-c-i18nMessageSource" data-clsy-pwa-word-OK="OK" data-clsy-pwa-word-Cancel="Abbrechen" data-clsy-pwa-word-close="schließen" data-clsy-pwa-word-open="öffnen" data-clsy-pwa-shell-pressBackToClosePage="Zurüc [... 2703 characters folded ...]></div>
<script type="text/javascript">[... 148 characters folded ...]</script>
<div class="clsy-l-pagecontainer clsy-c-pagecontainer">
<div class="clsy-skiplinks"><a href="#main" class="clsy-skiplink clsy-c-btn clsy-c-btn--secondary-restrained">Zum Hauptinhalt springen</a></div>
<header class="clsy-header" data-scroll-lock-fill-gap="">
<div class="clsy-header__inner">
<div class="clsy-header__main-header">
<div class="clsy-header__logo-box"><a title="markt.de Startseite" href="https://www.markt.de/" rel="nofollow" class="clsy-header__home-link">
<div class="clsy-header__logo-wrapper"><img src="https://static.markt.de/bundles/dceglgfd/image/pwa/markt_logo_ohne_claim.svg" class="clsy-header__logo clsy-header__logo--light" alt="markt.de Kostenlose Kleinanzeigen Kleinanzeigen Logo"/><img src="https://static.markt.de/bundles/gh7a6e6i/image/pwa/markt_logo_ohne_claim_dm.svg" class="clsy-header__logo clsy-header__logo--dark" alt="markt.de Kostenlose Kleinanzeigen Kleinanzeigen Logo"/></div>
</a>
<div class="clsy-header__region">Kleinanzeigen</div>
</div>
<nav class="clsy-header__toolbar" aria-label="Hauptnavigation">
<ul class="clsy-header__toolbar-list">
<li class="clsy-header__toolbar-item"><button type="submit" form="prg_form" title="Nachrichten abrufen" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiB2FW42mqAbYNLO3HfvbtitFo5HHVIihhV197UJfJ1LJ" onclick="$('#prg_form').attr('target', null); $('#prg_input_ [... 155 characters folded ...]>Postfach</button></li>
<li class="clsy-header__toolbar-item"><button aria-expanded="false" aria-controls="clsy-navigation-drawer" title="weitere Links" class="clsy-header__image-button clsy-outline-offset-negative clsy-header__image-button--nav-trigger clsy-interactive clsy-interactive--not-yet"><span class="clsy-header__navtrigger-icon--top"></span><span class="clsy-header__navtrigger-icon--middle"></span><span class="clsy-header__navtrigger-icon--bottom"></span><span class="clsy-header__navtrigger-label">mehr</span></button></li>
</ul>
</nav>
</div>
</div>
</header>
<div class="clsy-navigation-drawer" id="clsy-navigation-drawer" data-scroll-lock-scrollable="">
<ul class="clsy-c-navigation">
<li class="clsy-c-navigation__item clsy-c-navigation__item--login"><button type="submit" form="prg_form" title="bei markt.de anmelden" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiHJpna-1iH-WsuOBgOwmJqE=" onclick="$('#prg_form').attr('target', null); $('#prg_input_url').val($(this). [... 131 characters folded ...]>Anmelden</button></li>
<li class="clsy-c-navigation__item clsy-c-navigation__item--register"><a class="clsy-c-navigation__link clsy-outline-offset-negative" href="https://www.markt.de/registrieren.htm" title="ein neues Nutzerkonto anlegen">Neu registrieren</a></li>
<li class="clsy-c-navigation__item clsy-c-navigation__item--insertion clsy-offline-indicator-transparency"><a class="clsy-c-navigation__link clsy-outline-offset-negative" href="https://www.markt.de/benutzer/inserieren.htm" title="neue Anzeige aufgeben">Anzeige aufgeben</a></li>
<li class="clsy-c-navigation__item clsy-c-navigation__item--advert-admin clsy-offline-indicator-transparency"><button type="submit" form="prg_form" title="eigene Anzeigen verwalten" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiE89AYtLanNacTCfCXJagL0VpZFHqYS7DjGDfYvzY2LK" onclick="$('#prg_form').attr('target', null); $('#prg_ [... 155 characters folded ...]>Meine Anzeigen</button></li>
<li class="clsy-c-navigation__item clsy-c-navigation__item--contacts clsy-offline-indicator-transparency"><button type="submit" form="prg_form" title="Meine Kontakte aufrufen" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiE89AYtLanNacTCfCXJagL1dUbRcpu5RB6H7MQWCR_on" onclick="$('#prg_form').attr('target', null); $('#prg_in [... 153 characters folded ...]><span class="clsy-premium-marker">Meine Kontakte</span><span class="clsy-visually-hidden">Premium Vorteil</span></button></li>
<li class="clsy-c-navigation__item clsy-c-navigation__item--favorites"><button type="submit" form="prg_form" title="gemerkte Anzeigen aufrufen" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiGgGJPOwklDyG2ZwgFLeuirAzHtNma0AbBS9QGuEWrQI" onclick="$('#prg_form').attr('target', null); $('#prg [... 156 characters folded ...]>Merkliste</button></li>
<li class="clsy-c-navigation__item clsy-c-navigation__item--settings clsy-offline-indicator-transparency" id="drawer-item-settings"><button type="submit" form="prg_form" title="Helle oder dunkle Ansicht wählen" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiOgxlVbUFxcBGp91PeaJqeKP9auMR0FdZgjqpnDj-ycW" onclick="$('#prg_form').attr('target', null); $ [... 162 characters folded ...]>Darstellung</button></li>
<li class="clsy-c-navigation__item clsy-c-navigation__item--security clsy-offline-indicator-transparency" id="drawer-item-security"><button type="submit" form="prg_form" title="Sicherheitseinstellungen" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiJ3LbU8JHiL-WH9N2mJOTxgafjWBJ64ewWz-eh6h3HmpcUIPxJP3K3eU7SBgiHsmHA==" onclick="$('#prg_form').attr('t [... 178 characters folded ...]>Sicherheit</button></li>
</ul>
<div class="clsy-offline-notice">
<div class="clsy-c-message clsy-c-message--warning clsy-offline-notice--offline">
<div>Du bist offline.</div>
</div>
<div class="clsy-c-message clsy-c-message--warning clsy-offline-notice--maintenance">
<div>Dringende Wartungsarbeiten. markt.de läuft vorübergehend im Offline-Modus.</div>
</div>
<div class="clsy-c-message clsy-c-message--info clsy-offline-notice--connecting">
<div>Verbindung wird hergestellt...</div>
</div>
<div class="clsy-c-message clsy-c-message--success clsy-offline-notice--online">
<div>Verbindung hergestellt.</div>
</div>
</div>
<script type="text/javascript">[... 158 characters folded ...]</script>
<div class="clsy-c-breadcrumbs">
<nav aria-label="Breadcrumbs" aria-hidden="true" id="clsy-breadcrumbs-container"></nav>
</div>
</div>
<div class="clsy-c-search-menu" data-ajax-url="https://www.markt.de/ajax/searchMenu" data-save-search-ajax-url="https://www.markt.de/ajax/saveSearchDialog" data-scroll-lock-scrollable="">
<div class="clsy-c-i18nMessageSource" data-clsy-pwa-search-menu-button-submit-default-label="Suchen" data-clsy-pwa-search-menu-error-gps-permission-missing="Bitte aktiviere die Berechtigung zum Ortsabruf in Deinem Browse [... 245 characters folded ...]></div>
<div class="clsy-c-search-menu__content">
<div class="clsy-c-dialog__buttonbar--sentinel"></div>
<div class="clsy-c-dialog__buttonbar clsy-c-dialog__buttonbar--sticky"><button class="clsy-c-search-menu__cancel clsy-c-btn clsy-c-btn--icon-only" type="button"><span class="clsy-visually-hidden">Abbrechen</span></button>
<div class="clsy-c-dialog__buttonbar-action-container"><button class="clsy-c-search-menu__submit clsy-c-btn clsy-c-btn--cta" data-url="aHR0cHM6Ly93d3cubWFya3QuZGUvc3VjaGUuaHRt" type="button">Suchen</button></div>
</div>
<div id="clsy-c-search-menu__keywords" class="clsy-c-search-menu__input-container clsy-c-form__fields">
<div class="clsy-c-search-menu__input-text">
<div class="clsy-c-form__field-wrapper clsy-c-search-menu__blur-updates"><label class="clsy-c-form__label " for="clsy-c-search-menu__keywords-input-0" id="lbl-clsy-c-search-menu__keywords-input-0"><span class="clsy-c-form__label-main">Suchbegriff, z.B. Laptop</span></label><input class="clsy-c-form__smartLabeledField" id="clsy-c-search-menu__keywords-input-0" type="text" name="keywords" autocomplete="off" data-autocomplete-url="/ajax/keywordsAutoCompleter" data-autocomplete-scrollparent=".clsy-c-search-menu" enterkeyhint="search"/>
<div class="clsy-c-form__actionbuttons"><button class="clsy-c-form__clear clsy-c-btn clsy-c-btn--icon-only" type="button"><span class="clsy-visually-hidden">Löschen</span></button></div>
</div>
</div>
</div>
<div id="clsy-c-search-menu__region" class="clsy-c-search-menu__input-container clsy-c-form__fields">
<div class="clsy-c-search-menu__input-text">
<div class="clsy-c-form__field-wrapper clsy-c-search-menu__blur-updates"><label class="clsy-c-form__label " for="clsy-c-search-menu__region-input-0" id="lbl-clsy-c-search-menu__region-input-0"><span class="clsy-c-form__label-main">PLZ / Ort</span></label><input class="clsy-c-form__smartLabeledField" id="clsy-c-search-menu__region-input-0" type="text" name="geoName" autocomplete="off" data-autocomplete-url="/ajax/geoAutoCompleter" data-autocomplete-scrollparent=".clsy-c-search-menu" enterkeyhint="search"/>
<div class="clsy-c-form__actionbuttons"><button class="clsy-c-form__clear clsy-c-btn clsy-c-btn--icon-only" type="button"><span class="clsy-visually-hidden">Löschen</span></button></div>
</div>
</div>
<button class="clsy-c-search-menu__gps clsy-c-btn clsy-c-btn--icon-only" type="button"><span class="clsy-visually-hidden">aktueller Standort</span></button></div>
<div id="clsy-c-search-menu__radius" class="clsy-c-search-menu__input-container clsy-c-form__fields">
<div class="clsy-slider-input"><input aria-label="Suchradius" type="range" min="0" max="10" step="1" value="0" data-slider-input-list="["0","5","10","15","20","25","50","100","150","200","250"]"/><input type="hidden" name="radius" value="0"/>
<div class="clsy-slider-input__display">+ <span>0</span> km</div>
</div>
</div>
<div id="clsy-c-search-menu__category" class="clsy-c-search-menu__input-container clsy-c-form__fields">
<div class="clsy-c-search-menu__input-text">
<div class="clsy-c-form__field-wrapper clsy-c-search-menu__input-hidden"><label class="clsy-c-form__label " for="clsy-c-search-menu__category-input-0" id="lbl-clsy-c-search-menu__category-input-0"><span class="clsy-c-form__label-main">Kategorie</span></label><input id="clsy-c-search-menu__category-input-0" type="hidden" name="categoryId" enterkeyhint="search"/></div>
</div>
<button class="clsy-c-search-menu__open-category-picker clsy-c-btn clsy-c-btn--secondary-restrained" type="button">Alle Kategorien</button>
<div class="clsy-c-search-menu-category-picker" data-scroll-lock-scrollable="">
<div class="clsy-c-search-menu-category-picker__content">
<div class="clsy-c-dialog__buttonbar"><button class="clsy-c-search-menu-category-picker__button-close clsy-c-btn clsy-c-btn--icon-only" data-closes-picker="clsy-c-search-menu--category-picker-open" type="button"><span class="clsy-visually-hidden">abbrechen</span></button></div>
<ul class="clsy-list-multicolumn">
<li><button type="submit" form="prg_form" title="Fahrzeuge" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiEcSGoBVc0IJLJOjt_4H-kA=" data-category-id="2000000000" data-input-suggestion="2000000000" onclick="$('#prg_form').a [... 227 characters folded ...]><span class="clsy-c-search-menu-category-picker__category-label">Fahrzeuge</span></button></li>
<li><button type="submit" form="prg_form" title="Tiere" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiKzwvS65TYrkWvIAbXSRcfM=" data-category-id="2100000000" data-input-suggestion="2100000000" onclick="$('#prg_form').attr( [... 223 characters folded ...]><span class="clsy-c-search-menu-category-picker__category-label">Tiere</span></button></li>
<li><button type="submit" form="prg_form" title="Haus & Garten" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiF0j8GlqTEnEpWTeLe27RxBDr9xVC6HgDMpyhDtv2iaL" data-category-id="2200000000" data-input-suggestion="220000000 [... 255 characters folded ...]><span class="clsy-c-search-menu-category-picker__category-label">Haus & Garten</span></button></li>
<li><button type="submit" form="prg_form" title="Hobby, Freizeit & Lernen" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiN6UFjrt2Uk3rCmgr-3-g3QbXQd6wMNxSgu11V3mW3fR" data-category-id="2300000000" data-input-suggestion [... 266 characters folded ...]><span class="clsy-c-search-menu-category-picker__category-label">Hobby, Freizeit & Lernen</span></button></li>
<li><button type="submit" form="prg_form" title="Elektronik & Technik" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiNO-DSr_eHNdfYGc_EVWmQXqlsTl1DP_VpmwV3OXlSmK" data-category-id="2400000000" data-input-suggestion="24 [... 262 characters folded ...]><span class="clsy-c-search-menu-category-picker__category-label">Elektronik & Technik</span></button></li>
<li><button type="submit" form="prg_form" title="Immobilien" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiPc7EuYHLIXjybBDPujbX_oyniX0cQsgvZUyrfsfgbY2" data-category-id="2500000000" data-input-suggestion="2500000000" oncl [... 248 characters folded ...]><span class="clsy-c-search-menu-category-picker__category-label">Immobilien</span></button></li>
<li><button type="submit" form="prg_form" title="Jobs" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiNS2lAsgnhBSs9uv10B1yuw=" data-category-id="2600000000" data-input-suggestion="2600000000" onclick="$('#prg_form').attr(' [... 222 characters folded ...]><span class="clsy-c-search-menu-category-picker__category-label">Jobs</span></button></li>
<li><button type="submit" form="prg_form" title="Dienstleistungen" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiJLXU3VkhaCC-gysy9lR1BTrzDb2mT4sLLPuoqlHK-yH" data-category-id="2700000000" data-input-suggestion="2700000000 [... 254 characters folded ...]><span class="clsy-c-search-menu-category-picker__category-label">Dienstleistungen</span></button></li>
<li><button type="submit" form="prg_form" title="Kontaktanzeigen" role="link" data-targeturl="EpFPH8ZMLDiZRL4Y7dUOiAtrlPnuT-6I-ISAt4rVpMZFy4aFAW1pqbGiG88kRf0v" data-category-id="2800000000" data-input-suggestion="2800000000" [... 253 characters folded ...]><span class="clsy-c-search-menu-category-picker__category-label">Kontaktanzeigen</span></button></li>
<li><button type="submit" form="prg_form" title="Erotik" role="link" data-targeturl="ZrSiBOwXUXqFNeUIK5UmH9GdmLG_WPkXbacwfe9GLtZQGS60p60feuDUXAzpTTAp" data-category-id="3000000000" data-input-suggestion="3000000000" onclick= [... 244 characters folded ...]><span class="clsy-c-search-menu-category-picker__category-label">Erotik</span></button></li>
</ul>
</div>
</div>
</div>
<div id="clsy-c-search-menu__price" class="clsy-c-search-menu__input-container clsy-c-form__fields"></div>
<div id="clsy-c-search-menu__price-type" class="clsy-c-search-menu__input-container clsy-c-form__fields"></div>
<div class="clsy-c-search-menu__generic-criteria"></div>
</div>
</div>
<main id="main" tabindex="-1" class="clsy-main-home">
<div class="clsy-search-header clsy-c-scrollObserver" role="search" data-scroll-lock-fill-gap="">
<div class="clsy-search-header__inner">
<div class="clsy-search-header__first-row"><button type="button" class="clsy-search-header__search-input clsy-interactive clsy-interactive--not-yet clsy-search-header__search-input--empty" data-search-menu-trigger-focus="clsy-c-search-menu__keywords" disabled="disabled" title="Suche öffnen"><span>Suchen</span></button></div>
</div>
</div>
<div class="clsy-home">
<div class="clsy-c-advsection clsy-c-advsection--reloadable" id="clsy-clsds-cont-home_top_sticky" data-advsection-adtype="CLASSYADS" data-advsection-setupid="traffective2020" data-advsection-displayid="clsy-clsds-div-home_top_sticky">
<div id="clsy-clsds-div-home_top_sticky" style="display: none;" class="Mobile_Sticky"></div>
Shown with 62 long blocks (scripts, styles, long tags) folded into a marker that says how many characters they hide; the pane stops after the first 200 words; the page is 125 KB.
Reading view the text a plain-fetch client can extract
title: Kostenlose Kleinanzeigen in Deutschland | markt.de
Kleinanzeigen
Zum Hauptinhalt springen Kleinanzeigen Postfach mehr Anmelden Neu registrieren Anzeige aufgeben Meine Anzeigen Meine KontaktePremium Vorteil Merkliste Darstellung Sicherheit Du bist offline. Dringende Wartungsarbeiten. markt.de läuft vorübergehend im Offline-Modus. Verbindung wird hergestellt... Verbindung hergestellt. Abbrechen Suchen Suchbegriff, z.B. Laptop Löschen PLZ / Ort Löschen aktueller Standort + 0 km Kategorie Alle Kategorien abbrechen Fahrzeuge Tiere Haus & Garten Hobby, Freizeit & Lernen Elektronik & Technik Immobilien Jobs Dienstleistungen Kontaktanzeigen Erotik Suchen Gratis Anzeige aufgeben Kleinanzeigen Galerie Die nächste Bielefelder SCHMUCKAUKTION am 22. Mai 2027 großes Haus (ehemaliges Gästehaus) für Investor oder mehrere Familien/Großfamilie mit 23 Zimmern, über 2 Etagen, in 26169 Friesoythe-Markhausen zu verkaufen 550.000 € Festpreis KI Massage Heidelberg – Verspannungen lösen & Stress abbauen 65 € Stundensatz Xian Orchidee TCM Massage in Augsburg HAUSTÜREN ALU-Fenster-Balkontüren AB sofort LAGERRÄUMUNG von etlichen Modellreihen wie 501-604 Schüco-Fenster usw..bis zu 80% Reduziert,,AB SOFORT alles Fabriksneu mit Garantie sowie auch Anfertigung 799 € VB Bkh x Bengal Kitten 200 € Festpreis Wellness und Entspannungsmassagen Massagen, Entspannung für Körper, Geist &Seele 39 € Festpreis Yang Sheng Chinesische Massage Lünen 30 € Stundensatz Labrador Welpen 1.200 € VB KARTENLEGEN PARTNERRÜCKFÜHRUNG PARTNERZUSAMMENFÜHRUNG LIEBESMAGIE VIP BEKANNT VB HAUSTÜREN-ALU=LAGER-SONDER-ABVERKAUF ab sofort bis 80% Reduziert Fabriksneue HAUSTÜREN TOP Qualität
845 more words follow in the initial HTML.
| Check | Result | Detail |
|---|---|---|
| H1 in the initial HTML | Found one H1 | First H1: Kleinanzeigen |
| First 200 words in the initial HTML | Found 200 of 200 words | The initial HTML carries 1045 words of visible text; the first 200 are marked in the left pane. |
| llms.txt present and linked | Note present, not linked | 5271 bytes, 29 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 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 ContactPoint, Organization, PostalAddress | 3 schema.org types in JSON-LD blocks on the home page: ContactPoint, Organization, PostalAddress. |
| 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 markt.de.
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