The best way to achieve high rankings
today is by getting a significant amount of inbound links from quality
pages related to your site's topic, with your
keywords in the anchor text.
Link exchanges and reciprocal linking
are slowly becoming a thing of the past as this technique has been
abused, and search engines have increased their capabilities to detect
it. There is strong evidence that search engines give more weight to
one-way links (like links from directories or links to your page from
the body of articles).
The recent support of the 'no-follow'
tag in blog comments by the major search engines has closed yet another
loophole: webmasters that used to plant links in blog comment fields
(practice known as blog comment spam) now find that those links are not
followed or counted by the search engines.
Other way search engines are penalizing
unnatural or manipulative linking patterns is by checking the Class C
IP Address of the page where the link originates. What this
basically means is that search engines give more value to links from
pages hosted in a different server. If you have a network of sites
linked to each other, and they're all hosted with the same company, the
search engines will get a hint that the pages are somehow related and
will discount the value of those links.
Search engines are also becoming good
at detecting the speed at which a site acquires links. If you just
launched a site and it suddenly shows a large amount of high page rank
pages pointing to it, the search engines will assume that you are
relying heavily on link buying or link renting, and will not give your
page full credit for those links.
These are just a few tips that
underscore how dangerous it is to rely on outdated information when it
comes to search engine optimization. Whether you engage in SEO
for business or just as a hobby, it is always a good idea to visit
search engine forums and blogs regularly, or to subscribe to a few good
SEO ezines or newsfeeds, so that you are always up to date.