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
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
Dein Feed ist wohlgeformt und es wurden keine kritischen Probleme gefunden.
Vorschau (erste 5 Items)
  • 2026 AAS Town Hall Schedule
    247th American Astronomical Society (AAS) Meeting SATURDAY, JANUARY 3 8:30AM – 6:0PM  NASA’s Exoplanet Exploration Program Analysis Group (ExoPAG) 301DJosh Pepper, Dawn Gelino, Karl Stapelfeldt, Nick Siegler, Jessie Christiansen SUNDAY, ...
  • 2026 AAS Hyperwall Schedule
    247th American Astronomical Society (AAS) Meeting Join NASA in the Exhibit Hall (Booth #401 for Hyperwall Storytelling by NASA experts. Full Hyperwall Agenda below. SUNDAY, JANUARY 4 6:45 – 7:00 PMNancy Grace Roman Space TelescopeDomini ...
  • Curiosity Sends Holiday Postcard from Mars
    Team members working with NASA’s Curiosity Mars rover created this “postcard” by commanding the rover to take images at two times of day on Nov. 18, 2025, spanning periods that occurred on both the 4,722nd and 4,723rd Martian days, or s ...
  • Microbiology
    Microorganisms and Spaceflight Spaceflight poses a risk of adverse health effects due to the interactions between microorganisms, their hosts, and their environment. The JSC Microbiology team addresses the benefits and risks related to ...
  • NASA’s Chandra Rings in New Year With Champagne Cluster
    Celebrate the New Year with the “Champagne Cluster,” a galaxy cluster seen in this new image from NASA’s Chandra X-ray Observatory and optical telescopes. Astronomers discovered this galaxy cluster Dec. 31, 2020. The date, combined with ...
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)