Whois is simply a database that queries whether the domain name has been registered, as well as the details of the registered domain name (such as domain name owner, domain name registrar, domain name registration date, and expiration date, etc.).
The IP address and as number assignments for the Internet are hierarchical. ICANN (The Internet Corporation for Assigned Names and Numbers), which is responsible for numbering the IP addresses on the global Internet (originally owned by the IANA).
When we are ready to build a Web site, we must apply to the domain name registration authority for an Internet domain name, so we usually want to know whether the domain name we are ready to use has been registered, then you can access the NIC site
In VC ++ 5.0, The WinInet class of MFC encapsulates relevant win32 API functions for programming in internet client programs. In this way, the internet client program can be compiled without understanding the details of winsock or TCP/IP. In this
Xml
When we are ready to build a Web site, we must apply to the domain name registration authority for an Internet domain name, so we usually want to know whether the domain name we are ready to use has been registered, then you can access the NIC
Website code verification tool
1.Wdg html validatorA good tool that can locate and mark the website with incorrect syntax. You can also choose to analyze each page of the website on a single page. (Highly recommended)2.W3C markup validation
When we are ready to build a Web site, we must apply to the domain name registration authority for an Internet domain name, so we usually want to know whether the domain name we are ready to use has been registered, then you can access the NIC site
When we are ready to build a Web site, we must apply to the domain name registration authority for an Internet domain name, so we usually want to know whether the domain name we are ready to use has been registered, then you can access the NIC site
First, competitor analysis
Analyze and study the link strategy and content layout of competitor website, help to find out the strong and weak link of competitor website, can not only see the gap between the two sides, find out the breach of the
Seven Essential tips for website Optimization
Step 1: keyword Analysis
Analyze the search popularity of related keywords and find the most popular keywords suitable for your website. How can we determine the keywords? Three points are involved:
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