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my site was on the first position with a pagerank 5 during more than a year. I never worked too much to get that ranking, simply google thought It should be there. I want to say with this that I never was worried about keyword density neither keywords in content. I think the only reason I was there was because there It has many inbound links.
Some days ago, Google changed SEO and now it's not on the first 1000 positions! Google also has changed the pagerank from 5 to 1. The strange think is that I didn't modify my site, I only updated it as usual.
I can't understand this google behaviour. I am not a spammer, do you think I should contact with google?
Sometimes, it's due to a temporary server problem, and returns after a few months.
Less often, it's the result of a penalty. A penalty that affects PageRank would normally be due to linking (for example linking to a number of sites that link to your site and two each other).
It's important to keep in mind that most of the time, reductions of PageRank and Google ranking do not result from penalties.
I can undestand that if you loose some backlinks the PR decreases, but changing from 5 to 1 is too much.
The other strange thing that make me think it's banned is that the homepage doesn't appear when searching "keyword site:mysite.com". Before that there were 50 pages indexed, now only 4. And the most strange thing is that the homepage is missing, and this is what appears instead:
Weird! The title and description are missing.
could be an error?
joined:Dec 29, 2003
looks like you, or someone linking to you made a html error and Google saw the link, but it can't index it because there's nothing there (404 error). That will not cause the probelm IMO.
I think the only reason I was there was because there It has many inbound links.
That's the only way anybody gets PR. From the PR point of view your keywords, keyword density etc don't matter. PR is a measure of your link popularity and is determined by the number of and the PR of the pages giving you links.
Issues like www and non www - redirecting [webmasterworld.com] may be affecting the PR distribution on your site.
OK, you don't understand at all.
First of all, backlinks aren't "counted" at all, they are "weighed". So you could have thousands of milligram backlinks and one kiloton link. If you lost all but the one link, you'd not notice. If you lost just one link (the wrong one), you'd notice. Do you know which of your links were heavyweights? No? Then you don't know how much each one of them should have affected your page, eh? But, if your backlink distribution is "normal", you'd have LOTS of milligram links, SOME decigram links, A FEW gram links, and maybe SEVERAL heavier links.
Secondly, the weighing of backlinks isn't "you" at all -- with one exception, the weight of the link is calculated based on the PR of the page containing it. So far as Google is concerned, the PR of your page is just a logical consequence of what happened there.
The exception is, of course, that a page with "lots" of links to "bad neighborhoods" has the weight of ALL its links chopped.
My suspicion in a case like this would be that a site or sites containing your heavyweight link or links, was recognized as being in a "bad neighborhood" and lost its street cred. It can happen to anyone.
I would not be worry If I only loose pagerank. I know it depends of some heasvy inbound links and thei rank seems to be not so decisive to appear on the top.
When I seach on google how many pages has indexed of my site it only appear 10 pages while before there was more than 50. And the weird thing is that the homepage is not indexed anymore. The inbound links are more than 400 as before. I could loose a heavyweight link but I think that's not enough to disappear from SERP.
I undestand if I miss some links, the PR decreases, But why do I have now pagerank pr 1 and the homesite doen't appear? It seems I'm banned but I still have rank. The strange thing is that I never was worried about optimization on this site because It was not necessary during a year, it has not a good keyword content neither a good title. I know people where calling my site with that keyword inside the <a> tag and they are still linking me on that way.
What you're describing sounds like it could be a canonical problem, meaning two or more versions of the same page listed in the SE's, with and without "www".
That might not be it, but the symptoms match.
Again, this might not be your problem, but if you take steps to force everything to just one version of your pages, it would at least eliminate one possibility . A permanent 301 redirect, with mod rewrite, is the way to go if you're using Apache. There should be help on that in the Apache forum archives. If you spend some time with the WW site search, you should find lots of info.
for instance: if there is no more links to none-www versions of the URLs on your site or from any other site, you need to ask a questions is how to get the redirect reindexed again? What do people do in these cases, whether the site has 100 pages of reach content or 5000 pages of e-commerce catalog.