RSS/Atom Feed-Validator
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
Beispiel-Feeds
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BBC News (RSS 2.0)
https://feeds.bbci.co.uk/news/rss.xml
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tagesschau (RSS 2.0)
https://www.tagesschau.de/xml/rss2
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Heise Online (Atom 1.0)
https://www.heise.de/rss/heise-atom.xml
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Hacker News Frontpage (RSS)
https://hnrss.org/frontpage
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Reddit r/news (Atom)
https://www.reddit.com/r/news/.rss
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NASA Breaking News (RSS)
https://www.nasa.gov/rss/dyn/breaking_news.rss
Ergebnis
Typ: rss2 (version 2.0)
Items gezählt: 10
Content-Type: application/rss+xml; charset=UTF-8
HTML-Check: aktiv
Dein Feed ist wohlgeformt und es wurden keine kritischen Probleme gefunden.
Vorschau (erste 5 Items)
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NASA Briefing to Highlight Contributions to Martian Moons Mission
Media are invited to join NASA for a media teleconference at 4 p.m. EDT, Thursday, Oct. 15, to preview the agency’s contributions to JAXA’s (Japan Aerospace Exploration Agency) Martian Moons eXploration (MMX) mission. The mission is sch ...
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NASA Announces Bold Science Initiatives for America’s Golden Age Summit
NASA is launching two new science and technology initiatives to deepen scientific understanding and accelerate the innovation that will shape America’s future in space. The initiatives are announced in conjunction with the White House O ...
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NASA’s SSPICY Mission to Demonstrate In-Space Inspection Technologies
A new NASA-supported spacecraft will get up close to satellites that are no longer in service, demonstrating technologies that could support future in-space repairs and reduce orbital debris. The Small Spacecraft Propulsion and Inspecti ...
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Crew-12 Returns to Earth
The SpaceX Crew Dragon Freedom spacecraft is seen moments before splashing down in the Pacific Ocean off the coast of California in this Oct. 8, 2026, photograph. Aboard were NASA’s SpaceX Crew-12 members NASA astronauts Jessica M ...
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NASA’s SPHEREx Telescope Sees Menagerie of Brown Dwarfs
NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown dwarfs, celestial objects that blur the line between stars and exoplanets. New find ...
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)
- Content-Type-Hinweis (empfohlen:
application/rss+xml/application/atom+xml)