If you are planning your site for the reconstruction, please bear few minutes reading this article relating to the major SEO impact. As this could really hamper your web pages search engine results. Once your site has gained enormous popularity, there are several things that are risky while you change its layout like: When users go for the pages of your old site and right pages not come up or some errors shown, this may frustrate the users and hence is a loss to your site. Users clicking on the bookmarked page and not getting the right content can also result a great loss. Link to your site from other websites is counted as vote. Thus when constructing the new layout you will have to make sure that the other sites which contain you site link must be redirected to your new site.

Hence the above points reflect the major SEO impacts while reconstructing the site. Thus get to know full understanding of mapping the content from the old site to the new site and build effective 301 redirect map that would map all that you want from the old site to your new site. Get all the similar pages mapped at one place and do  not forget to keep in mind to redirect the other remaining pages from the old site to the new site. Or else you can have catchall redirect that would automatically redirect all the pages to the home page of the new site. Many SEO Professionals are there who will do right all task right from beginning to end but its on website owner to go for all or specific service by SEO company or Professional.

Lastly to check if proper redirection has done and no errors have taken place, you must get it verified from the Web Analytical Tools and make neccesary analysis. Further, you can use the Yahoo Site Explorer to identify the top pages listed there. Make sure that the search engines are able to find your 301 redirect; if not then it may result in errors along with this keep analysing the SERPs and traffic volume for your site. It?s good to get all these things done initially rather than suffering later. After all success is achieved upon quality smart work.