RSS/Atom Feed-Validator v3 beta

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)
  • Jaclyn Kagey Shapes Humanity?s Return to the Moon 
    For Jaclyn Kagey,&#160;preparing&#160;astronauts&#160;to&#160;put boots on the Moon is part of her daily work.&#160; As the Artemis&#160;extravehicular&#160;activity&#160;lead in NASA?s Flight Operations Directorate, Kagey plays&#160;a ...
  • Call for Creatives: NASA Seeks Help Illuminating Mission Storytelling
    As NASA pushes the boundaries of exploration and innovation for the benefit of humanity, the agency is looking for partners to share mission stories covering Artemis Moon missions, nuclear propulsion, aeronautics, and more. NASA publish ...
  • NASA Sets Coverage for Roscosmos Spacewalk Outside Space Station
    NASA will provide live coverage on Wednesday, May 27, as two Roscosmos cosmonauts conduct a spacewalk outside the International Space Station. The spacewalk is scheduled to begin at approximately 10:15 a.m. EDT and last roughly five hou ...
  • Webb Studies Star Clusters
    This near-infrared image released on May 6, 2026, shows a section of one of the spiral arms of Messier 51 (M51). M51 is one of four nearby galaxies observed by NASA&#8217;s James Webb Space Telescope in a study of nearly 9,000 star clus ...
  • Keeping NASA Flying: Ground Crews Ensure Aircraft Readiness
    From high?speed research flights to high?altitude science campaigns, NASA depends on aircraft that perform at their best and the ground crews who keep them mission ready. At NASA?s Armstrong Flight Research Center in Edwards, California ...
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)