XML

Short answer: The warning means your RSS feed does not state its own address. Declare the Atom namespace on the <rss> ele...

Short answer: Serve an RSS 2.0 feed as application/rss+xml; charset=utf-8 and an Atom feed as application/atom+xml; charset=utf...

Short answer: HTML inside an RSS description or content:encoded element must be either entity-escaped (&lt;p&gt;) or wr...

Short answer: In RSS 2.0, pubDate and lastBuildDate must use the RFC 822 date format, for example Tue, 29 Sep 2026 08:00:00 +00...

Short answer: A minimal valid RSS 2.0 feed is a UTF-8 XML file with an rss root element, one channel containing a title, link a...

Short answer: When someone clicks your RSS feed link, most browsers show raw XML, which looks broken to non-technical visitors....

Short answer: The error "XML declaration allowed only at the start of the document" means something is printed before the <?...

A surprising number of auto-posting problems — missing images, dropped items, garbled titles — trace back to a feed that's tech...

If you've ever opened your own RSS feed in a text editor and seen tags like media:content, itunes:image, or dc:creator mixed in...