http result 304

Code and principle of 304 Not Modified on the asp.net page, 304 modified Through the previous example, we have seen the benefits of Caching: it can be reduced to server access, because the page can be displayed without accessing the server, which

In the process of doing SEO every seoer will inevitably do search engine spider crawling log analysis, a lot of friends just look at the number of spiders visit but ignore the spider's status code. Some friends are confused, what is the use of

Understanding of HTTP 304 (RPM)Recently with colleagues to see the web cache problem, and further understanding of HTTP 304 and some understanding.The standard explanation for 304 is that the not Modified client has a buffered document and makes a

From the previous example, we have seen the benefits of caching: it is possible to reduce access to the server, because the server can display the page, which for the server, can alleviate some of the access pressure. However, if the user forces the

An understanding of HTTP 304Recently with colleagues to see the web cache problem, and further understanding of HTTP 304 and some understanding.The standard explanation for 304 is that the not Modified client has a buffered document and makes a

The Not Modified client has a buffered document and sends a conditional request (generally, the If-Modified-Since header is provided to indicate that the customer only wants to update the document than the specified date ). The server tells the

The not Modified client has a buffered document and makes a conditional request (typically providing a if-modified-since header that indicates that the customer wants to update only a document that is newer than the specified date). The server tells

Reading directory Start Normal HTTP Request Process Cache page request process Server programming for cache pages What is a 304 response? How to program 304 responses How to avoid HTTP caching In the previous blog [

Read Catalogue Begin The normal HTTP request process Request process for cached pages Server-side programming for cached pages What is 304 answer? How to implement 304 response programmatically How to avoid HTTP

Transferred from: http://www.cnblogs.com/Jessy/p/3568935.htmlCaching of HTTPAs for the entity that responds to the message, it is similar to the entity content of the request message, where only the user-agent header is borrowedThe contents of the