sellics keyword

Long tail keywords can bring traffic and popularity for the site, do site has a certain time webmaster should be on the long tail of the word in the current ranking of the site is indeed a must not underestimate the wealth, and many times the webmaster in the process of developing their own web site but ignored the importance of long tail words, the author of a website because the long tail word good, Every day for the site to bring the flow of more than the main

1. Always remember to use the New keyword to execute the constructor.As mentioned earlier, you can use constructors to create JavaScript objects that use the New keyword when used, but what if you forget to write the new keyword? In fact, this function will still be executed, there is no syntax error, but there is a logic error . Therefore, if the new

Another new member of the PHP5 is the instdnceof keyword. Use this keyword to determine whether an object is an instance of a class, a subclass of a class, or implements a specific interface and operates accordingly. In some cases, we want to determine whether a class is a specific type, or whether a particular interface is implemented. The instanceof operator is a great fit to complete this task. The insta

Do SEO basically to the long tail keyword and target keywords should be very understanding, because our website generally only do two words, one is the target keyword, one is the long tail keyword. Often see someone say in these two words to do first, some people say to do the target keyword first, because that is our

Today on the Internet to see two articles, the discussion is the Web site SEO is the first keyword or long tail keyword this issue, one of the articles advocated the first keyword, another article that the website SEO to start from a simple long tail keyword. In fact, this problem, I did not think before the site SEO,

Hello everyone, I am Chengzhou. Before rarely talked about the idea of keywords, see a lot of webmaster share experience, feel a lot of very reasonable, but for how to quickly improve the site keyword ranking this problem, I think we are certainly still very confused, in fact, I am the same. Every time webmaster friends asked me such a question, I have nothing to say, not that there is nothing in their hearts, but because their hearts do not form a sy

Problem Description: A section of string contains multiple keywords, the string after this keyword is intercepted together to form a key value pairMy idea is to use what to intercept, JavaScript provides three ways to intercept string neutrons:1.substring (Str,end)STR is required to be entered and must be positive;End is optional and must be positive;by literal means, Str is the starting position of the interception, and the first character position o

PHP blocking filters the specified keyword, php blocking filters the keyword This example describes how to block and filter specified keywords in PHP. Share it with you for your reference. The specific analysis is as follows: Implementation ideas: 1. Write keywords in a text file. Each line has one keyword. The number of keywords is unlimited and the number of ke

Students who have studied PHP or other languages know that the parameters in PHP are not variable (just a lot of times they can be omitted, because the default values are set for parameters when the function is defined). But that's not true in Python, where Python runs the appearance of variable parameters, which appear in the form of (*ARG,**ARG2). Let's take a look at this usage today: For example: def foo1 (arg1,arg2,key1=1,key2=2,*arg,**keywords): Print "Arg1 parameters is", arg1 Print

is the exact match more advantageous to the keyword ranking? Seoer have always been more focused on the exact match, think this is more advantageous to the keyword ranking, but we search for keywords, and will find that many do not exactly match the site, ranking is very close to the front, such as our search SEO blog, this keyword, we will find the top five of