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Webmaster Tools Labs is a testing ground for experimental features that aren't
quite ready for primetime. They may change, break or disappear at any time.
The source code feature, "Fetch as Googlebot", does not force a new spidering but retrieves the result of the last spidering - including the HTTP server headers as well as the HTML source.
Under the new "Labs" tab, I get "Fetch As Googlebot", and "Malware Details", but alas, no PR Indicator. If they do indeed include it, that will certainly get people's attention, although it might simply reflect toolbar PR, a none too accurate indicator, as has been discussed. Yet still, another convenience.
I was happy to see that I had no malware detected.
I hope they don't later decide to abandon the malware checker thing. I'm guessing it's using the malware domain signature API or whatever it was I stunbled across months ago thinking it would be cool to implement but Google is probably going to add it to WMT sooner or later anyways.
I'm not going to miss the PR indicator thingies in the crawl stats. The whole "page with the highest PR" was pretty much useless as the index seems to always be the page after the sites been around awhile. The PR distribution gauges were never of any use to me either.
The source code feature, "Fetch as Googlebot", does not force a new spidering but retrieves the result of the last spidering - including the HTTP server headers as well as the HTML source
However it appears that Googlebot will immediately spider pages it has not visited before. It will be interesting to see how soon these new pages get added to the index.
It was really a simple graph. It had three bars running horizontally: High, Medium, Low. The idea was to show the distribution of PageRank across your site as a bar graph. Unfortunately, my site was stuck with low page ranks, so it just showed the low bar completely full and the other two empty.
There was also an indicator of the page with the highest PageRank for the previous three months. That is gone too.
Sometimes finding the malicious code is extremely difficult, even when you do know which pages it was found on. Today we are happy to announce that we'll be providing snippets of code that exist on some of those pages that we consider to be malicious.
Now that sounds very useful.
I presume this is part of the effort to de-emphasize PR. Is the next step just to make it unavailable to the public altogether?