Most links from any Web, helping to improve the positioning, but they discuss what would be a site that, to find it, you should buy a link, or seek to make an exchange with him an ideal link. Cleaning: The link must be direct, without any redirects and without no-follow. Theme: The link should speak on the same topic as yours and have solid content, unique and original. Kindly mention in the text, title and other parts of the page the words that characterize your site, and which are those that want to position. Transparency: Do not buy or trade with sites using techniques "frowned upon" by search engines (spam, cloacking, hidden text, etc). Always look at the cache of the page, some sites even make cloacking to show no external links to Google and verify that the site of the cache is equal to that seen in the browser.
Relevance: The site where your link posted, or failing that the domain should appear in the front pages of important results for its theme. Search within the first 100 Google results in several important words for your topic, if it appears in any of them will be a good place to buy links. The better display, better site. Uniqueness: It should look for sites from different class C IP, so that your link has more value. To find the class C of a domain, use this tool: With this we make sure that the link is from an IP that we are not linking earlier.
Age: It is advisable to look at the whois of the site for its age, any site with more than one year, and it may be advisable. And the older the better. (Quick access to whois: whois.sc / dominio.com). You can also use the tool Archive.org Wayback Machine. PageRank: The PageRank can give a quick idea of the importance of a site, but should never be used as the sole criterion, but must be accompanied by the above considerations. A pagerank of 4 onwards and is enough. Here is a tool to check the PageRank of sites: Verify that the site has not made a redirect to get the PageRank from another site, it looks to the cache of the page, and if that appears is other, is not advisable to buy . You can take into account many other variables, such as site design, clean code, alexa ranking, request statistics, among others, but in aspects of positioning, these are the main ones. Obviously, then found the site, it should be used in a text appropriate to its theme and the words you want to position, but in this article we refer to a link which site is excellent. Author Details Philippe Portes (Uruguay) Webmaster.