Is your website dynamic? Have you implemented the principles of search engine optimization efficiently or not? If your answer is ok, then you are able to attract the orientation of the people towards company’s products and services. I know Some spider handle dynamic URLs quite well, but others have trouble – and even those that do spider them might not look very deep within your site. So, the problem lies in the question of prediction. The fact is you cannot really predict what will be delivered in these URLs at all times.
There fundamental concept lies in dynamic web pages which are usually database driven and displayed on-the-fly. It can be recognized by looking for symbols like question marks and ampersands in the URL.
Why are dynamic websites difficult for search engines to index?
Passing of information is very in today’s internet world and it has become necessary to pass information between the database and the user. The fundamental thing is; database driven websites need certain information before they can return page contents. Focus should be given on session id, cookie data, or query string. Only one page written in server side scripting (ASP) can handle thousands or millions of records separately.
URLs containing Query string use a question mark (?).
The main problem is web crawlers cannot read will not be able to read are not trained to understand a dynamic website’s URLs containing question marks (?), equal signs (=) or other marks such as: #, & , ! and so forth. If there is any bad words found in the URL mentioned, it will be detrimental for the website. Normally what happens, search engine spiders check the URL for these signs, and then ignore it.
On the other hand, many dynamic websites contain dozen of function in a single page, and HTML code lie in these functions. Repeated request for pages can crash the server.
Search engines do not like to execute these functions because the repeated requests for pages can crash the server. So what is the benefit of optimized code if the search engine will not see it? And surely no one can find that site.
You should be very serious about What is going wrong in URLs?
Use CGI/Perl scripts: Care should be given writing script that will pull all the information before the query string and set the rest of the information equal to a variable. You can then use this variable in your URL address.
Use software: There are many programs which are responsible to change the dynamic URLs to static ones. The most common are;
So, They will remove “?” in the Query String and replace it with “/”. Through the application of this technique we can allow search engine spiders to index our dynamic Web pages.
Use a 404 trick: This is the error we often come across. It symbolizes that the Web browser could not find the file you requested. This is nothing but the page not fund error.
The trick is that, if the page is not found, the redirect takes the search engine to the custom error page. In the custom error page we examine the URL, and according to the URL we redirect it to corresponding dynamic page.
But the fact is that the spiders of InfoSeek and HotBot can index dynamic Web pages. But automatically, they don’t do it. So what you have to do? You have to invite them.
InfoSeek’s spider, to speak in other words is called Slurp, it will index dynamic pages that you submit, but won’t crawl through your dynamic website by default. What you will do is to select keywords and submit corresponding dynamic website URL, no matter how many query strings it contains.
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