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I would lean toward www.mysite.com/product-category/12345.html . However, if you can structure your URLs like: www.mysite.com/catergory/keyword.html  After that you may want to run it through on page report card.

Small Addition:

/category/subcategory/product/  OR /category/subcategory/productkeyword/

I got 9 thumbs up on mine, but I think it's because I asked for it. Here was my post. Give me a thumbs up.

http://www.seomoz.org/q/is-this-directory-guide-by-seomoz-still-accurate

You have me stumped! There is a person in the Official Google Base Blog. Her name is celebird or something like that. I think you should ask her OR post you question there at the blog. Sorry I couldn't help, but I tried.

For magento, you can always enable the attributes: size, color, brand, model, l x w x h, weight, everything. I know you've only been on magento for about 3 months, but I think it's something you should consider. I have never heard about google base giving penalties. Did your rankings go down as well? I am wondering if one of the Google Website Reviewers (they have about 10,000 contractors who manually review websites) thought your site wasn't as valuable as the competitors. This sounds like your site was affected by either someone reviewing your site OR the Google Base algorithm changed against your favor.

Try this Admin > System > Config > Google API > Google Base. Enter username and password. When i used Google Base (about 3 years ago), it used to take about 2 days until I started getting traffic. Maybe the psmext v2is what Google Base is not liking. Sometimes they feeds have a URL secretly inserted. This is what happens to me when I use one of those free XML site map generators.

I use Magento. Are you using the Google Base feature in your admin panel? What version are you running?

You better back up your DB before doing that. Anyway, take a look at this MagentoConnect extension http://www.magentocommerce.com/magento-connect/MageWorx.com/extension/2852/seo-suite-enterprise#overview

or this one (it's by the same company

http://www.mageworx.com/seo-suite-pro-magento-extension.html

when you say "submitted the url to google twice", did you submit to google.com/adurl? If so, forget it! Go into your Google Webmaster Tools and submit an xml sitemap. Make sure it is clean an no 404's. If you did submit an XML sitemap, then I don't know. Also, I can see you already went through the site verification so I don't know why it wouldn't be cached

Also you have to be logged into adwords when you do it. If you are using the keyword tool external, they tell you to log in to get the full report. By the way, as far as I know, it's still not accurate. I think the best way to see how many impressions you are getting is to look at your Google Webmaster Account. maybe focusing on those words can bring better results.

I used to be the google base king, but I never had that much drop in traffic. Did you check your Google Base feed? Maybe the autocrawl or something was turned off. I have never heard of a penalty.

You may want to watch this. It give a lot of information regarding the SEO tools we have here. http://www.seomoz.org/webinars/seomoz-pro-tool-overview

Sounds like you are doing a category instead of a product. You have a couple options. 1) Do what you are describing 2) Apache Mod Rewrite and 301 the old urls. I saw a video of Rand talking about option 2. He says it'll lose all it's ranking at 1st, but they typically see about a 50-60% drop in volume once it's back up.

I tried sending you an email and this is what I got:  "This user is currently not accepting private messages"

Your product category pages should only focus on 1 or 2 keywords. If you come out with a lot of keywords on one page, it may look like you are keyword stuffing. The only way to tell which are going to be your best keywords is by hooking up Google Analytics and setting up conversion goals. This will tell you he value of the keyword.  If you are using Google adwords, it'll tell you if a particular keyword is making or losing you money.

I always break things down into categories.

Mens shirt, Womens shirt, Baby Shirt, Dog shirt.  You won't run into so much duplication like you would with the two categories you are talking about (baby & shirt).  Use the Control F in Excel to find and replace duplicate keywords.

Are you using this for Google Adwords. Because if you are, I see a BIG problem with that strategy. Basically you will be competing with you own self for the keyword Baby Shirt & t-shirt for baby. Most likely you will have them in different campaigns or adgroups and all google is going to do is show the one with a higher bid.

What software are you using? Sometimes there are plugins for a software where you can robot.txt individual pages. Some are free, others aren't. Whatever you do, back up your DB 1st.

Okay, well I can create a google doc and however wants to contribute can be an editor.  After we finish the directory list, we can submit it to Rand and he can update the post.

I would make it like a Quickbooks dashboard. There would be a flowchart to the right there would be an area that would tell me if I am weak or strong in a particular departement.

They are signing up for a quote.  International Car Shipping We ship cars overseas from USA to other counrties. My adwords campaign is 50% exact match.