Last-Modified header - HTTP | MDN - MDN Web Docs
Oct 21, 2015 · It’s been available across browsers since July 2015. The HTTP Last-Modified response header contains a date and time when the origin server believes the resource was last …
Last-Modified - Expert Guide to HTTP headers
Jun 2, 2022 · The Last-Modified response header is similar to the HTTP Date response header, except it indicates the date and time that the server believes the resource was last modified rather than …
Check Last-Modified Header
The Last-Modified response HTTP header contains a date and time when the origin server believes the resource was last modified. It is used as a validator to determine if the resource is the same as the …
HTML DOM lastModified Property - GeeksforGeeks
Jul 11, 2025 · The DOM lastModified property in HTML is used to return the date and time of the current document that was last modified. This property is read-only. This property returns a string that …
Last-Modified - HTTP | MDN - devdoc.net
Oct 21, 2015 · The Last-Modified response HTTP header contains the date and time at which the origin server believes the resource was last modified. It is used as a validator to determine if a resource …
HTML DOM Document lastModified Property - W3Schools
Description The lastModified property returns the date and time the document was last modified. The lastModified property is read-only.
Understanding The Last-modified Http Header - peerdh.com
When you request a webpage, the server sends back various headers, and Last-Modified is one of them. This header indicates the last time the resource was modified.
Tutorial: ETag and Last-Modified Headers in HTTP - unRepo
Jan 1, 2023 · The ETag header is an identifier assigned by the server to a specific version of a resource, while the Last-Modified header indicates the last modified timestamp of the resource on the server.
Check Last-Modified and If-Modified-Since online - WEB-Tool.org
Last-Modified is one of the server's response headers, which reports the date of the last change to the page, helping to assess how long ago the content was changed.
Last-Modified - webdocs.dev
The Last-Modified response HTTP header contains a date and time when the origin server believes the resource was last modified. It is used as a validator to determine if the resource is the same as the …