·Try to getting link from low quality website consider to be
·Large site with few links: Large sites with many pages tend to
also have many links and large sites without a corresponding large number of
links are likely to be spam.
·If a large percentage of links to a site are from a few domains
it is likely to be spam.
·Ratio of followed to no-followed subdomains/domains (two
separate flags): Sites with a large number of followed links relative to no-followed
are likely to be spam.
·Small proportion of branded links (anchor text): Organically
occurring links tend to contain a disproportionate amount of banded keywords. If
a site does not have a lot of branded anchor text, it's a signal the links are
·If a site has a relatively small ratio of it's likely to be
·Site mark-up is abnormally small: Non-spam sites tend to invest
Accordingly, a large ratio of text to mark-up is a spam signal.
·A site with a large number of external links may look spammy.
·Real sites tend to link heavily to themselves via internal
navigation and a relative lack of internal links is a spam signal.
·Sites with a lot of anchor text are more likely to be spam then
those with more content and less links.
·Spam sites may hide external links in the sidebar or footer.
·Real sites prominently display their social and other contact
·A site with only one or a few pages is more likely to be spam
than one with many pages.
·Certain TLDs are more spammy than others.
·Domain names with numerals may be automatically generated and