last-modified-formats
"Last-modified" Formats
This is an exploratory page to document formats used for indicating the
- "last-modified" date
- "published" date
Author
Formats
"Last-modified" formats
- Atom
- http://www.atomenabled.org/developers/syndication/atom-format-spec.php#rfc.section.4.2.15 (“atom:updated” element)
- notice that this is a user-defined value
- Dublin core
- http://dublincore.org/documents/dcmi-terms/#modified (“modified” term)
- HTML 4.01
- The INS and DEL elements http://www.w3.org/TR/html401/struct/text.html#edef-ins
- HTTP 1.1
- RFC 2616: Last-Modified Header (p. 134)
- notice that this can be a user defined value
- iCalendar
- RFC 2445: 4.8.7.3 Last Modified (p. 129f)
- notice that this is a machine-defined value
- RSS
- 2.0
- http://blogs.law.harvard.edu/tech/rss#optionalChannelElements (“lastBuildDate” element)
- 1.0
- http://web.resource.org/rss/1.0/modules/syndication/ (“updateBase” element)
- 2.0
- vCard
- RFC 2426: 3.6.4 REV Type Definition (p. 22)
"Published" and "Created" formats
- Atom
- http://www.atomenabled.org/developers/syndication/atom-format-spec.php#rfc.section.4.2.9 (“atom:published” element)
- Dublin core
- http://dublincore.org/documents/dcmi-terms/#date (“date” term)
- http://dublincore.org/documents/dcmi-terms/#created (“created” term)
- HTML 4.01
- http://www.w3.org/TR/html401/struct/global.html#profiles (fictional profile)
- iCalendar
- RFC 2445: 4.8.7.2 Date/Time Stamp (p. 129f)
- this property actually means "created," not "published"
- RFC 2445: 4.8.7.2 Date/Time Stamp (p. 129f)
- RSS
- 2.0
- http://blogs.law.harvard.edu/tech/rss#ltpubdategtSubelementOfLtitemgt (“pubDate” element; child of <item>)
- http://blogs.law.harvard.edu/tech/rss#optionalChannelElements (“pubDate” element; child of <channel>)
- 2.0