That's the historical data algorithms at work. Sometimes you´re outside of the limits and then you´re back in. In this case a couple of new backlinks will keep you inside. It's a very indirect cause and result thingy... which makes it hard to accept that it really works like that...but sometimes a site just drops out for a week or two and then reappears in its old spot.
I noticed it over the weekend at #2 and an indented result at #3. Still there.Originally Posted by jxw
When I first checked the site, using the info: site: and cache: operators for the URL with the www. Google returned nothing for all 3.
If you check the canonical version of URL using the www. today using those operators, each of them return the URL without the www.
What does this mean?
It likely means that a preferred version of the URL has been assigned and that any "value" is now being attributed to the non www. version of the URL.
Many times when this kind of thing happens, and quite likely in this particular instance IMO, is that Google had more than 1 canonical version of the URL indexed. At least one in the RI and the other(s) either in the SI or being filtered.
Eventually, and sometimes this can take a very long time, Google gets around to "assigning" a preferred canonical URL when there are multiple versions. When this happens, the other URL's are deindexed. Unfortunately, sometimes the version of the URL they decide is going to be the preferred one is one that is being filtered or not the one you want.
The "value" of the URL's that are deindexed (ie any links etc.) does not "immediately" pass to the URL that has been "deemed preferred". I does take a bit of time just like 301 redirects do.
This is why it's importantant from the onset of any site, to establish the preferred version of the URL yourself, be consistant with that URL, and redirect any others.
Hope this makes sense.
Dave
Actually, CrankyDave, since the site I referred to in my post also returned this weekend then it is much more likely that yet again it is merely an algo tweak, and this one with the bug not being there, and not a canonical issue at all.
David... gratz on the return, but unfortunately since it does seem like this is related to the bug I mentioned I have to warn you that it is indeed and on again/off again type of thing. It will probably disappear again in one of the future shifts, only to re-appear again with no changes down the line. Since minor bugs like these really aren't a high priority for Google it's just something we kind of have to put up with. I can even picture the engineers at Google telling their bosses it's not really a bug at all, but a "feature".
-Michael
Quite possible Michael. I don't discount this at all. But given that the site here returned nothing for one of the canonical URL's using various operaters and is now being attributed to another, quite plausible that the "bug" is related to the canonical issue. We both know they've had a few of those.
Dave
If no one mentioned already in the thread, not all pages title tags are unique. I spot the problem after checking the SI results test: Supplemental Index Ratio Calculator
You can find see the problems using this elegant site map generator: Google Sitemaps Generator, Editor and Keyword Analyzer Free Online
Also no algo tweak. However, Google did find the links from this forum to the site....since the site I referred to in my post also returned this weekend then it is much more likely that yet again it is merely an algo tweak
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