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Pagerank with no links (how)? Virtual PageRank?
Sch09




msg:3885399
 10:08 am on Apr 4, 2009 (gmt 0)

Hi Folks,

I setup a website about a year ago and linked from another site to it - the new site got a PR of 3/4.

The links from the source page have since been removed, with only the image alt text remaining on a different image (a slight booboo).

There is 1 inbound link from a "linkedin" page (with PR of 0).

However following the recent PR update, the site increased from a PR of 4 to a PR of 5! However the source site no longer links to it. The linkedin page has no PR and there are no other links apart from internal links contained in Google or Yahoo.

So can a site stand alone without inbound links if its already got an established PR and/or why did it recently increase?

Many thanks

A

 

tedster




msg:3885510
 5:11 pm on Apr 4, 2009 (gmt 0)

I've seen this odd phenmenon as well. One example: I helped a friend build a site that he could use as landing pages for PPC to drive his home business. He has no backlinks at all, but every main page on his site is currently showing PR2, and his home page used to be PR3. He uses informational pop-ups and only those are lower than PR2.

My assumption is that this unusual PR boost is one of the ways that Google helps "mom and pop" sites compete - something that Matt Cutts made a side comment about on his blog a few years ago. He never said WHAT Google does specifically, only that they do a few things.

Now if we only knew how they identify a "mom and pop", eh?

Lord Majestic




msg:3885542
 7:50 pm on Apr 4, 2009 (gmt 0)

Neither Google nor Yahoo show all incoming links.

tedster




msg:3885545
 8:07 pm on Apr 4, 2009 (gmt 0)

That's certainly true. But when even a private spidering of the web shows no backlinks, and the website owner knowns of no backlinks, and the search engines have never show any backlinks, even as they change what "samples" they are showing, then a PR of 2/3/4 seems quite unusual.

Sch09




msg:3885788
 8:55 am on Apr 5, 2009 (gmt 0)

The interesting thing about our site, is that the PR has increased propotionally to the parent site. Even though I don't believe (as I've looked in the source code) any links exist from it.

What do you mean by Mom & Pop sites - how would Google manage those?

robzilla




msg:3885843
 2:36 pm on Apr 5, 2009 (gmt 0)

*scratches forehead*

About four years ago I created a site for a local sports club. It has about a hundred pages, two listings in the ODP and a dozen or so naturally acquired (but low-PR) backlinks.

About six years ago I started an informational site that has, over the years, become somewhat of an authority in its niche, and has since then acquired hundreds of backlinks, many from good, related pages.

Now, here's the kicker: after the recent PR update, the local sports club homepage now has a PR5(!), whereas the homepage of the older, larger, more popular informational site went from 5 to 4.

What's going on here? How does a simple local site go from a PR3 to a PR5 without gaining any new backlinks? It seems to have been given some type of boost, but how, and why, I have no clue. Could this be indicative of changes in how small sites are ranked, too, or is this simply a toolbar PR thing?

rainborick




msg:3885862
 3:06 pm on Apr 5, 2009 (gmt 0)

One simple answer might be that one or more of the pages where the links to the simple local site originate increased in PageRank, which was then reflected in your site's PageRank. It does happen.

robzilla




msg:3885892
 4:05 pm on Apr 5, 2009 (gmt 0)

Judging from the type of backlinks this site has, I'd say that would only be a possibility if the pages that those backlinks are on also received an artificial PageRank boost, like those mentioned earlier in this thread.

Lord Majestic




msg:3885913
 5:00 pm on Apr 5, 2009 (gmt 0)

It's possible that Google picks up domain mentions from text (ie: example.com) and treats them as part of the web graph (with some dampening), some sites (often spam sites) generate lots of data with such domains to make unique content and often link to those domains - usually such sites won't be shown in official G/Y backlinks.

It's also possible toolbar PR is just wrong due to hash collision or what not.

tedster




msg:3885921
 5:34 pm on Apr 5, 2009 (gmt 0)

It's possible that Google picks up domain mentions from text (ie: example.com) and treats them as part of the web graph (with some dampening)

Matt Cutts discussed this at PubCon Austin. He said that Google doesn't treat unlinked url mentions as links, not even in a dampened fashion.

AnkitMaheshwari




msg:3886206
 6:55 am on Apr 6, 2009 (gmt 0)

Was thinking that Google might have started to give higher PR on local parameters. So in place of calculating the importance of a page globally, it has started doing it region-wise.
IMO, this might be the next big change that Google might be testing, i.e to have higher PR sites within Geo-specific niches as well that might not be linked by million other sites, however within there niche/region/location are linked by most.

karkadan




msg:3886248
 9:18 am on Apr 6, 2009 (gmt 0)

Some DMOZ backlinks have lost its PR power. Some big sites with tons of links have their power distributed weakly.

I have a big site. 4 years ago, PR6. 3 years ago, PR5. 2 years ago, PR4. Now PR3.

I have more backlinks than before (grateful users, natural linking), havent engaged into any linking scheme.... it just... happens...

Brett_Tabke




msg:3893657
 12:23 pm on Apr 16, 2009 (gmt 0)

Have you checked for anyone hot linking to your graphics, javascript, or css? (all of which some believe pass pr).

How do you know there are no inbound links? Google and Yahoo certainly do not report them all.

oddsod




msg:3893674
 12:52 pm on Apr 16, 2009 (gmt 0)

I've seen it happen too. Sometimes you can't guarantee no IBLs, Brett, but on the balance of probabilities just know that a page shouldn't have PR.

I setup a page just to test a theory of mine about Google indexing. It had a meta norobots but was not robots.txt blocked. It wasn't linked to from anywhere and only Google's toolbar knew the page existed. My stats are password protected so the URL couldn't have been found there. I setup an alert for links to that page. Contrary to some experiences here, the page didn't make it into SERPs but, when I removed the norobots meta - bingo! the page got PR in the update a few days later. Still no IBLs listed in any of the SEs or WMT.

Low value pages with even a few links from (even lower value) pages on social bookmarking and networking pages (and nofollow blog comments!) seem to be gaining PR over similar pages with a few new, solid PR4-6 links and a DMOZ entry. Again, contrary to how toolbar PR has behaved in the early years.

drall




msg:3893683
 1:02 pm on Apr 16, 2009 (gmt 0)

I created a site to help folks with special needs on the side around a year ago but havent had time to promote it. The site has tons of mentions but no IBL's at all.

Last week the website shot to pr 6. My guess is manual review, manual toolbar pr adjustment.

Brett_Tabke




msg:3893703
 1:50 pm on Apr 16, 2009 (gmt 0)

also, have you run raw referer logs in apache to look for strange referrals outside the norm?

What about from email services?
Do you generate RSS feeds?
What about services that autogenerate rss feeds?
Directory links that may be marked as NOFOLLOW?

I am pretty much convinced that links in Gmail pass some juice.

Ok, this deserves its own new thread on stealth links [webmasterworld.com]!

nealrodriguez




msg:3893716
 2:03 pm on Apr 16, 2009 (gmt 0)

What about from email services?j

this discussion touches on how google may be crawling gmail

[webmasterworld.com...]

the argument is that they have to spider the content in the messages to serve adsense; so maybe they are also crawling links and passing equity.

2clean




msg:3893730
 2:16 pm on Apr 16, 2009 (gmt 0)

I'm sure its something like Local Page Rank. It means that authority is relative to the cluster and not the global database.

aleksl




msg:3893743
 2:26 pm on Apr 16, 2009 (gmt 0)

PR bar means ABSOLUTELY NOTHING.

the next big change that Google might be testing, i.e to have higher PR sites within Geo-specific niches

Doesn't seem to be so.

I second karkadan's experience. We have a big, country-specific site, top-3 in the niche. Exact same PR drop year after year in last 3-4 years, starting with PR7 down to PR3 now as we increase number of pages, improve usability, get a lot more visitors, etc. We don't do link schemes either (in fact we do 0 linking), just normal stuff, like launching new sections on subdomains.

We take a drop in PR as Google's way of saying, "no we don't like you being a large site that doesn't fall into our pattern of large sites".

G$$gle giveth and G$$gle taketh away.

oddsod




msg:3893792
 3:14 pm on Apr 16, 2009 (gmt 0)

A drop in PR could also be their way of showing their disapproval for link sales.

Pass the Dutchie




msg:3893821
 3:45 pm on Apr 16, 2009 (gmt 0)

I suppose it depends how your are doing a backlink check. Assuming you have found no backlinks using Yahoo site checker then I would assume the PR is from a 301 redirect.

stakaman




msg:3893823
 3:47 pm on Apr 16, 2009 (gmt 0)

You could argue that PR has long been dated and unstable. Now it is becoming nonsensical. Maybe Google has not taken it away, they might be simply making it unusable.

Fiver




msg:3893857
 4:45 pm on Apr 16, 2009 (gmt 0)

Stick on the fire here, as I noticed some phantom PR this morning. An imperfect example as it is not a zero link site, but it's still illegitimate PR.

The site 3 years old, used to be an old spam cloaking script in the gambling industry (read, obvious and blatant spam), but was never really used. For the past two years it has had zero content, the index page is an image and the word 'text'. No sub-pages.

It has 2 inbound spammy links that are also 3 years old.

It just went from a TBPR2 to a TBPR3. This is the last domain in the world that deserves to be a PR3, and I don't believe for a second that it truly is.

There is a TBPR phantom in our midst. Guess some spammers will be earning bank from link-sales this PR cycle.

clearvision




msg:3893916
 6:02 pm on Apr 16, 2009 (gmt 0)

To be honest, I find no value from this PR tool. It devalues sites that in all appearances have valuable content/products and it gives credit when the site has nothing of interest or value to speak of.

I've actually stopped watching it...too much of a brain drain. First time I've thought of it in at least a year and checked our PR...lower than before with no change in search rankings. You're right...it just doesn't make sense.

ponyboy96




msg:3893940
 6:41 pm on Apr 16, 2009 (gmt 0)

Here are a couple of other options to consider:
Does this website share the same IP as the other site?
Is it registered to the same company or individual in the whois info?

We know that Google is a registrar and can pass trust through the registered site owner information. If the other site has high trust rank and/or authority, then I can see why PR may flow through. However, I think the most likely reason for this would be that the site with no backlinks probably shares the same IP as the other site.

Receptional Andy




msg:3893941
 6:43 pm on Apr 16, 2009 (gmt 0)

PR bar means ABSOLUTELY NOTHING.

Absolutely nothing is too far IMO. It's data from Google and so can be interesting, given the right evaluation.

But the toolbar doesn't seem to be any indication of whether or not a URL has external links or references of value. I don't think it's even based on the same calculation as PageRank, and certainly undergoes lots of changes even if it does.

To me, PageRank (toolbar or otherwise) only matters inasmuch as it relates to whether a URL has received value and the URL's ability to pass on value.

It's possible to get a high PR without the need for a page to either receive a great deal of value, or be able to pass on any value. Whether you care likely depends on what your results are ;)

Slinger




msg:3893957
 7:04 pm on Apr 16, 2009 (gmt 0)

Page Rank...in my opinion... is a system that no longer works and Google should fix it or retire it.

The "200" factors and constantly changing rules of the Tool Bar Page Rank system has made it laughable. A site should not have success in the SERP listings and only be a Page Rank "0" or "1" or "2" or whatever. A sites pages should not be grayed out because the page name isint a popular keyword. The pages of sites should be given rank based on their level. (Home Page 5, Product pages, 4, Marketing pages and About/Contact pages 3, etc.). The system made sense till about 2007. Now the system is a mess and doesnt make any sense.

Google got carried away with spam fighting and the Page Rank system became a broken, doesnt work, inconsistant and illogical tool.

SIMPLIFY, SIMPLIFY, SIMPLIFY the scoring of that tool and stop trying to play god with it.

oddsod




msg:3893997
 7:51 pm on Apr 16, 2009 (gmt 0)

PR bar means ABSOLUTELY NOTHING.

Even if it means nothing as far as the SERPs algo is concerned, it means a lot to those buying links ;)

Lord Majestic




msg:3894000
 7:53 pm on Apr 16, 2009 (gmt 0)

Google got carried away with spam fighting and the Page Rank system became a broken, doesnt work, inconsistant and illogical tool.

There is no alternative to using web graph metrics (PageRank or not) to problem of ranking content on the web for competitive categories: it's the same thing as voting in democratic elections, this is not perfect and does not produce best results, however there is no viable alternative to it without running into dictatorships - in this case it would mean that only trusted manually reviewed sites would rank, would you like that to happen?

Slinger




msg:3894043
 8:43 pm on Apr 16, 2009 (gmt 0)

>>would you like that to happen?

No, because manual updating is no match for G creppy crawlers. I agree, we dont want G-MOZ.

I think that some type of reset on the system would be nice to where sites are "one" with themselves and no partial gray outs. Each page should have a logical weight in rank and work down evenly. And a site should get at least a 3 or 4 if its a good site with a real business or purpose. The system nows seems like swiss cheese. To many loops, holes, and factors. Now, a decent site can have a rank of Gray or "0" or "1" and most pages grayed out.

Thats not cool.

Come on G, thats no way to run the show. If a site has supplimental pages you dont feel are important, give those pages a "1"...not a gray bar or 0.

Gray bars should be for pages that have lots of broken graphics, pages that code break and dont work, or some obvious SPAM.

This 44 message thread spans 2 pages: 44 ( [1] 2 > >
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