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Just wanted some advice. SEOmoz crawl found out about 18,000 errors. The error URLs are all mainly URLs like the one below, which seem to be the registration URL with a re-direct on, going back the product after registration: http://www.DOMAIN.com/index.php?_g=co&_a=reg&redir=/index.php?_a=viewProd%26productId=3465 We have the following line in the robots file to stop the login page from being crawled: Disallow: /index.php?act=login If I add the following, will it stop the error? Disallow: /index.php?act=reg Thanks in advance**.**

We have been contacted by a free SEO company, who seem to use your domain and create articles for you on your site, linking to other relevant sites, while other relevant sites link to yours. All they ask is a small link on your homepage. An excerpt of the instructions are: Download the attached files in a folder to be uploaded to your server (public_html) folder Set 777 permission to the folder. This allows our script to work on your site Add the "site wide" link on your homepage, as well as on the inner pages, the same way we do in the article section. Implement the "site wide" link following the instructions on the README.txt file Copy the script on the file or you can provide us with a temporary FTP access to your server and we will do it for you. Please note that if you can upload our folder to your site within 48 hours, you will be eligible to receive 20 bonus links for your SEO campaign. Should we tread carefully?

On our homepage, would having 8 randomly selected products from your catalogue (some of which contain keywords) be good, bad or have no effect on rankings? The proucts change with every refresh. Some may remain the same, but just change position.