If-None-Match
If-None-Match
token parsingIf-None-Match
has both *
and ETagsETag
matching to match specIf-None-Match
when no ETag
headerDate.parse
instead of new Date
no-cache
request directiveETag
matching supportCache-Control: no-cache
If-None-Match: *
supportAdd the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.