4 ms·

Yes, or more precisely, good outbound links counts on your favor. I've never heard of a site being "penalized" for not having links, but I'm sure having good li

by inerte 16y ago

Yes, or more precisely, good outbound links counts on your favor. I've never heard of a site being "penalized" for not having links, but I'm sure having good links is good for the website (and also, having bad links is bad to your website).

arkitaip 16y ago
I honestly can't say that I have ever seen evidence regarding the value of outgoing links. Also, what counts as a good outbound link?
raganwald 16y ago
At one time, I thought that outbound links actually drained your PageRank juice. I also seem to recall IBM research coming up with an algorithm that ranked sites as either authorities or hubs, and gave a different kind of positive ranking to sites that did a good job of being hubs for a given search term or terms.
- lkozma 16y ago
  That would be Kleinberg's HITS algorithm. http://en.wikipedia.org/wiki/HITS_algorithm http://en.wikipedia.org/wiki/HITS_algorithm
- srean 16y ago
  The HITS algorithm that you are talking about isn't used much because it is quite easy to game the rankings. There are some partial fixes to it. If I remember correctly the search engine Teoma was using a variant of hits.
srean 16y ago
Is there a reason why you are sure that out-links are rewarded ? I have not encountered anything which demonstrates that. So I really would like to know.
nfriedly 16y ago
I believe that my portfolio page is evidence of this, I can't think of any other reason why it'd have such a high pagerank (4). I don't think there are any offsite links pointing to it. (It has the same pr as my homepage and service page, both of which have numerous incoming links.)
- srean 16y ago
  If your homepage and your portfolio page are on the same site and on the same url directory, then it could be an artifact of the block rank approximation to Pagerank. Since Pagerank is an expensive computation, one effective optimization/approximation is to cluster pages into groups and then compute the Pagerank per group. The group-scores are then re-distributed. I am not sure whether this is what is going on, but it is a possibility.
  - nfriedly 16y ago
    You might be right. Checking now, every page I have at that top-level directory is either not ranked (effectively 0) or also a 4. Edit: just found one that is a 3, but it has a trailing slash while the others don't (so it might be considered a directory and computed seperately.) It also just occurred to me that my xml sitemap assigns a priority to each page, and the ones with a PR of 4 are the ones with a 0.8 priority or higher. There's another top-level page with a 0.5, but it has a trailing slash, and it's a wordpress blog so it has it's own sitemap. So I think that 4 might be independently calculated.
    - srean 16y ago
      +1 Thanks for digging up on this. It is something that I have interest in.
      - nfriedly 16y ago
        My pleasure. Not trying to toot my own horn, but you might find the bookmarklett on this page useful, it certainly made things much easier for me: http://nfriedly.com/pagerank http://nfriedly.com/pagerank

by inerte 16y ago

arkitaip 16y ago

I honestly can't say that I have ever seen evidence regarding the value of outgoing links. Also, what counts as a good outbound link?

raganwald 16y ago

At one time, I thought that outbound links actually drained your PageRank juice. I also seem to recall IBM research coming up with an algorithm that ranked sites as either authorities or hubs, and gave a different kind of positive ranking to sites that did a good job of being hubs for a given search term or terms.

lkozma 16y ago
That would be Kleinberg's HITS algorithm. http://en.wikipedia.org/wiki/HITS_algorithm http://en.wikipedia.org/wiki/HITS_algorithm
srean 16y ago
The HITS algorithm that you are talking about isn't used much because it is quite easy to game the rankings. There are some partial fixes to it. If I remember correctly the search engine Teoma was using a variant of hits.

srean 16y ago

Is there a reason why you are sure that out-links are rewarded ? I have not encountered anything which demonstrates that. So I really would like to know.

nfriedly 16y ago

I believe that my portfolio page is evidence of this, I can't think of any other reason why it'd have such a high pagerank (4). I don't think there are any offsite links pointing to it. (It has the same pr as my homepage and service page, both of which have numerous incoming links.)

srean 16y ago
If your homepage and your portfolio page are on the same site and on the same url directory, then it could be an artifact of the block rank approximation to Pagerank. Since Pagerank is an expensive computation, one effective optimization/approximation is to cluster pages into groups and then compute the Pagerank per group. The group-scores are then re-distributed. I am not sure whether this is what is going on, but it is a possibility.
- nfriedly 16y ago
  You might be right. Checking now, every page I have at that top-level directory is either not ranked (effectively 0) or also a 4. Edit: just found one that is a 3, but it has a trailing slash while the others don't (so it might be considered a directory and computed seperately.) It also just occurred to me that my xml sitemap assigns a priority to each page, and the ones with a PR of 4 are the ones with a 0.8 priority or higher. There's another top-level page with a 0.5, but it has a trailing slash, and it's a wordpress blog so it has it's own sitemap. So I think that 4 might be independently calculated.
  - srean 16y ago
    +1 Thanks for digging up on this. It is something that I have interest in.
    - nfriedly 16y ago
      My pleasure. Not trying to toot my own horn, but you might find the bookmarklett on this page useful, it certainly made things much easier for me: http://nfriedly.com/pagerank http://nfriedly.com/pagerank