what does unique external link in this paragraph mean?
and how is it obtained? from linkdomain:sitedomain -site:sitedomain in Yahoo!? please pay attension on UNIQUE word,i know meaning of external link but this unique ??!!!
i mean if i have 4 external links from daniweb.com to my site,these 4 ones calculate as 1 or 4 ?
" The total number of unique external links received (inlinks) by a site can be only confidently obtained from Yahoo Search. Results are log-normalised to 1 for the highest value and then combined to generate the rank. "