RSS/Atom Feed-Validator v1.3

Prüft Feeds aus URL oder Upload. Erkennt XML-Fehler (Zeile/Spalte) und typische Spezifikations-Probleme. Optionaler HTML-Check in <description>/<content> (DOMDocument; Tidy, falls vorhanden).

Prüfung starten
Max. ca. 2048 KB werden geparst.
Erweitert
Beispiel-Feeds
Ergebnis
Typ: rss2 (version 2.0)
Items gezählt: 10
Content-Type: application/rss+xml; charset=UTF-8
HTML-Check: aktiv
Text-Normalisierung: aktiv
Dein Feed ist wohlgeformt und es wurden keine kritischen Probleme gefunden.
Vorschau (erste 5 Items)
  • NASA?s X-59 Experimental Supersonic Aircraft Makes Second Flight 
    NASA&#8217;s quiet supersonic X-59 aircraft&#160;made&#160;its&#160;second flight on Friday, kicking off a&#160;series of dozens of&#160;test&#160;flights in&#160;2026.&#160; Although the flight duration was&#160;abbreviated&#160;due to ...
  • Hangar One Restoration Project
    Editor&#8217;s Note: This article was originally published on April 25, 2022 and has been updated to reflect changes including the completion of Hangar One&#8217;s restoration. Restoration has been completed on Hangar One, a historic la ...
  • NASA Selects University Finalists for Technology Concepts Competition
    NASA selected 14 university teams from across the nation as finalists in the 2026 Revolutionary Aerospace Systems Concepts ? Academic Linkage (RASC-AL) Competition. This NASA challenge tasks students to design innovative concepts that c ...
  • How Open NASA Data on Comet 3I/ATLAS Will Power Tomorrow?s Discoveries
    The interstellar comet 3I/ATLAS will soon leave our solar system, never to return, but the observations of the comet will live on in NASA?s public data archives. More than a dozen NASA science missions turned their instruments to observ ...
  • Smiles and Spacesuits
    NASA astronaut Chris Williams smiles at the camera during a spacesuit fit verification on Jan. 2, 2026, inside the International Space Station?s Quest airlock. This procedure confirms that the spacesuit is airtight and properly configur ...
Was wird geprüft?
  • Wohlgeformtes XML (Zeile/Spalte bei Fehlern)
  • RSS 2.0: <channel>-Pflichtfelder; Items: Titel/Link/description; <guid>-Existenz & Duplikate; <pubDate> RFC-2822
  • Atom 1.0: <title>, link rel="alternate", <updated> ISO-8601
  • Self-Reference via atom:link rel="self" ? Abruf-URL
  • Unescapte & in description/content
  • Tags/Kategorien: Warnung, wenn ein Item/Entry keine <category> enthält
  • HTML-Fragment-Check (abschaltbar) in description/content (DOMDocument; optional Tidy)
  • Vorschau-Normalisierung: repariert typische UTF-8/Windows-1252-Mojibake in Titel & Summary
  • Content-Type-Hinweis (empfohlen: application/rss+xml/application/atom+xml)