Saturday, January 16, 2010

Things that makes JavaScript Worse

The negative aspect of the JavaScript is search engine crawlers will not execute the JavaScript.  That is why we went to all this mess. But if a visitor does not execute JavaScript then in no doubt they will not see what is concealed in the script.  Thus if you have an important navigation element within that JavaScript then it is likely that the visitor that does not execute JavaScript will not be able to navigate your site.

On the other hand, most browsers today do support JavaScript.  In actual fact, at the same time as it is something that can be turned off there are too many other sites which also use scripts, however simple, to help render the page.  Virtually every major web portal uses some JavaScript.  Therefore I do not think you have too much to worry about.

However, if you are one of those people who must have your site as compatible as possible with as many browsers as possible, then I would recommend not using the above tactics.
Conversely, if you are worried more with supporting most of your sites visitors and are willing to sacrifice few visitors who may not support JavaScript in exchange for improved search engine rankings then possibly this is one tactic you can make use of. Now before you go belief that this is a magical attempt that will spurt you to the top of the rankings, think again.

This is only one of many in a stockpile of tactics available to help your site improve its rankings.  There are many other things which are more precious to you in terms of rankings such as powerful content and good quality link building.  But, if you are looking to squeeze every bit of performance out of your site as possible, and looking for entirely the whole thing which could have a positive impact on your rankings, then you should think externalizing any nonessential code such as JavaScript.

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