what s subdomain in websites

Author: syd168 15:09:18 from: Mr. Linux I. Basic DNS knowledgeAs we all know, in network communication, data links Use MAC addresses. The network layer uses IP addresses, and the transport layer uses port numbers,

What is the content of the "reading Guide" on the internet? What makes duplicate content rampant in the Internet? It's a collection. Whether the webmaster to collect with their hands, or with the Software collection. Why to collect, because the

English Original: http://developer.yahoo.com/performance/rules.htmlChinese Original: http://www.ha97.com/2710.html1. Minimize the number of HTTP requests 80% of the end-user response time is used to download the content. This part of the time

Linux dns configuration and basic introduction! (GO) -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. I. Basic DNS knowledge As we all know, in network communication, data links Use

Before learning about the multi-domain wildcard SSL Certificate, we will first introduce the multi-domain certificate, also known as San certificate or UCC certificate, multi-domain certificates are described as follows:Multi-domain San/ucc ssl

Recently, Google has made extensive cleanup of Chinese search results, and websites or content dependent on Chinese SEO (search engine optimization) technology have been affected, in Chinese search results, the number of second-level domain names

1. Minimize the number of HTTP requestsIn the end user response time, 80% is used to download the content, this part of the time includes the download page image, style sheet, script, flash and so on. Reducing the number of HTTP requests by

0x01 verifies that CDN  Method 1 is present: Very simple, using a variety of multi-ping services, to see if the corresponding IP address is unique, if not the only most of the use of CDN, the multi-ping site

The Yahoo team summarizes the experience of website performance optimization, which is of great reference value.English Original: http://developer.yahoo.com/performance/rules.html1. Minimize the number of HTTP requests 80% of the end-user response

Now, if the company wants to build a website that supports multiple languages in multiple countries, we should design it in this way, either under a domain name, in the form of cn or fr, or through a domain name. fr ,. en ,. cn is better. now the