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)
  • Newly Found Organics in Enceladus? Plumes
    Dramatic plumes, both large and small, spray water ice out from many locations along the famed tiger stripes near the south pole of Saturn?s moon Enceladus in this image released on Feb. 23, 2010. A study published in October 2025 analy ...
  • NASA Astronaut Chris Williams, Crewmates Arrive at Space Station
    NASA astronaut Chris Williams, accompanied by Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, safely arrived at the International Space Station on Thursday, expanding the orbiting laboratory?s crew to 10 for the next two we ...
  • PLANETS Units Have Landed ? Free NASA-Funded Out-of-School Time Resources
    The NASA Science Activation program?s PLANETS (Planetary Learning that Advances the Nexus of Engineering, Technology, and Science) project, led by Northern Arizona University (NAU), is pleased to announce the official launch of three fr ...
  • Artemis II Orion Spacecraft Stacked
    In this Oct. 20, 2025, photo, NASA?s Artemis II Orion spacecraft with its launch abort system is stacked atop the agency?s SLS (Space Launch System) rocket in the Vehicle Assembly Building at NASA?s Kennedy Space Center in Florida. Orio ...
  • LSAH Newsletter
    The Lifetime Surveillance of Astronaut Health (LSAH) program collects, analyzes, and interprets medical, physiological, hazard exposure, and environmental data for the purpose of maintaining astronaut health and safety as well as preven ...
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)