A search engine ranking improvement for a site is not accomplished immediately. It takes its own time as the optimization process is quite complex for bigger sites. However, if you want to improve search engine rank for your site you can do it quite drastically by simply concentrating on the basics of the site's lay out and content.Sites keep changing with time and it's important that they get redesigned from time to time to keep the content new and to have a modern design. But if a site that is well listed on the engines and directories is going to be redesigned or even just a single page deleted or files names changed, it is important to realize that it will impact on the site's rankings and traffic. Nevertheless this never means that alterations should not be made. It means that special importance needs to be given to sites that are showing up well before any alterations are made. If you want to improve search engine rank, consult with the SEO expert upfront and you will be able to limit or avoid any negative impact the change may have had. Not everything has to be complicated and there are most likely very simple ways of ensuring that any proposed changes do not harm the site's rankings. The crucial thing is to consult with the SEO expert before any changes are made to make sure no rankings or traffic is lost and the required workarounds are put in place. Indeed modification of pages can be advantageous as spiders see pages that are frequently updated as a good thing.An active link building campaign should be part of every site's SEO strategy. You don't necessarily need to continue searching for sites to request links from forever but you must spend some time on it as soon as the site is finished. Read more about Improve search engine ranking. It is just as important as submitting your site to the engines and maybe more as the engines will find you if you're well linked to but may reject your submission if you're not.Don't consider trying to check your site's ranking for at least three weeks after the initial submission unless you have paid for inclusion. You can start checking the relevant engines within one or two weeks if you have paid for inclusion. In the first few months after you optimize and submit your site it is important to monitor its progress to ensure that all the important pages have been indexed. It is also important to see whether they're holding high positions for your keywords or not. For search engine ranking improvement it is important to review your web logs. While your search engine rankings tell you whether or not the search engines like your site your logs tell you whether or your site visitors like it.When optimizing your pages for search engines, consider each page's focus separately, because search engines do. To achieve top rankings, create content-rich information pages with an arrow focus on one or two topics and use those topics as your keywords or phrases. A common mistake is to try to optimize a single page for every keyword that's relevant to your business. All this reduces the relevancy. Create separate content-rich information pages utilizing your other keywords; this will attract highly targeted traffic to your site and improve search engine rank.For more info visit Improve search engine ranking.