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 testen
Beispiel-Feeds
Ergebnis
Feed-Titel: NASA
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)
  • APOD: 2026 November 2 ? A Long Cloud on Mars
    APOD Science APOD APOD: 2026 November 2 ? A? Today?s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fas ...
  • Pennsylvania?s Grand Canyon
    Amid the warm hues of fall foliage, Pine Creek Gorge forms a deep scar in the Allegheny Plateau.
  • APOD: 2026 November 1 ? Colors of the Moon
    APOD Science APOD APOD: 2026 November 1 ?? Today?s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fasci ...
  • APOD: 2026 October 31 ? Night on a Spooky Planet
    APOD Science APOD APOD: 2026 October 31 ?? Today?s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fasci ...
  • NASA Releases MAX POWER Key Events for Media, Participants
    America?s newest aerospace expo and air show ? MAX POWER ? is fast approaching, and NASA has announced key events beginning Friday, Nov. 6, and running through Sunday, Nov. 8, hosted on and near the agency?s Kennedy Space Center in Flor ...
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)