Module conditional

HTTP conditional headers.

Web page performance can be significantly improved by caching resources. This submodule includes headers and types to communicate how and when to cache resources.

Further Reading

• MDN: HTTP Conditional Requests

Modules

if_match

Apply the HTTP method if the ETag matches.

if_none_match

Apply the HTTP method if the ETags do not match.

Structs

IfMatch

Apply the HTTP method if the ETag matches.

IfModifiedSince

Apply the HTTP method if the entity has been modified after the given date.

IfNoneMatch

Apply the HTTP method if the ETags do not match.

IfUnmodifiedSince

Apply the HTTP method if the entity has not been modified after the given date.

LastModified

The last modification date of a resource.

Vary

Apply the HTTP method if the ETag matches.

Enums

ETag

HTTP Entity Tags.