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I think we need more examples in order to determine anything actually. Like if we have about 5 examples with the same thing we can make a conclusion but I don't think before as there is A LOT of factors in the rankings ...

With the way MC has talked about Big Daddy so far then this is probably related to all the "under the hood" infastructure changes he has been talking about.

With him saying that most people will not see any ranking changes at this stage it just feels to me that perhaps those <rk> values are just waiting to be applied rather than already effecting the serps on Big Daddy.

Have a look at Bluefind (Which I always believed was Canonical issues which resulted in the loss of PR)

66.249.93.104 RK 6 Rank: 51
66.102.9.99 RK N/A (error on the tool?) Rank: 39
66.102.7.99 RK 0 Rank: 51

But Bluefind is not a good example. I am 95% sure it is under penalty for making money on selling PageRank.

Maybe, in fact other sites which look like they might have penalties are having <rk> values returned in Big Daddy DCs.

Hmmz Toxic Lemon shows <rk> too on Big Daddy - not sure what to make of that - I was sure that was banned - could also have been canonical - but might be stretching my imagination there a bit - must have been a ban surely?

The BigDaddy indexes are double as big than the rest!

I checked one site which it shows RK 5 on half and 7 on the rest (bigdaddy).

I used this query on the different DCs:

-link:http://www.example.com in Google (all sites not linking which is the whole index).

Some of the BigDaddy (RK 7):
216.239.51.104 gives 18,210,000,000 hits
66.249.93.104 gives 18,200,000,000
64.233.179.104 gives 25,270,000,000
66.102.11.99 gives 9,640,000,000 (?)
64.233.187.104 gives 25,270,000,000
64.233.171.105 gives 18,210,000,000
64.233.161.99 gives 25,270,000,000
216.239.37.99 gives 18,210,000,000

Some of the Rest (RK 5):
66.102.9.99 gives 9,640,000,000 hits
66.102.7.99 gives 9,650,000,000 hits
66.102.11.104 gives 9,640,000,000 hits
64.233.183.104 gives 9,570,000,000 hits
64.233.167.147 gives 9,650,000,000 hits
216.239.59.147 gives 9,660,000,000 hits

Ranking:

Actually same on both ... strange?

Not consistently Big Daddy - probably not when you queried.

With such huge differences between Big Daddy and non Big Daddy there should be more noticable ranking changes between the two.

Which makes me thing that the ranking changes <rk>? that will result from the Big Daddy infastructure are not in place yet.

Roll on Big Daddy.

This is my only hope that Google can now fix the problems that have blighted the index.

On Big Daddy the <RK>s are showing values again for sites that went to PR0 due to Canonical and Hijack problems - these sites however still dont rank in Big Daddy.

Cheers,

Probably just part of the process. As it has happened to every single site it might be some purge and refresh.

Note: showing intermittently on at least 2 of the dc's

I cant believe the issues with canonical problems and they still do nothing about them!.

I Still think that those RK (well the BD ones) values are the calculation by Mozilla Googlebot for Big Daddy and have not been applied to the serps yet. (must be soon though now rollout is complete - if they are going to be - MC has talked about an imminent PR update)

These values can be 0 as is shown currently without changes appearing in the serps.

Whether it is 0 to hide or just a temp situaton is the question. <rk> values are still there on a info:domain.com search (which is TBPR) - Lots of tools use that query to get current PR - so if G wanted to stop them why not stop that too.

Purge and refresh IMO.

Indeed.

Lets look at some of the facts.

It could certainly be a purge and refresh but I actually think more that Google didn't like that value disclosed and all kind of guys making tools about it and so just put it to 0. Why would he then read my article? And the refferer URL is some strange Google URL redirecting to my article.

Frankly, I don't know. Could be either one.

Q: “What’s an RK parameter?”
A: It’s a parameter that you could see in a Google toolbar query. Some people outside of Google had speculated that it was live PageRank, that PageRank differed between Bigdaddy and the older infrastructure, etc.

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I interpretate his answer as:

"This is not for you guys".

Also he writes "Google toolbar query", which is also called RK but is something else ... not the the SERP XML RK.

Either MC don't know so much about it or he perhaps intentionally makes it confusing.

Just my 2 cents.

>hiding it somewhere else.