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From an SEO perspective I have no data. But from a user perspective I would stay away from them. It is going to take a lot of time and marketing money for companies to train people about the new extensions. It is not personally something I would want to pay for.

It is because your email link in your top bar is not formed correctly. You just have your email address, you need to add mailto: in front of it.

Are you talking about the community forums? If so, there is an advanced filters that you can use to sort, http://screencast.com/t/cOa33QEW4A

Are you hosted on AWS or using resources from a S3 bucket? By default those resources do not send a 404 for not found resources, they send a 403 for some reason.

This is the best advice I have found. http://moz.com/blog/what-separates-a-good-outreach-email-from-a-great-one-whiteboard-friday

Funny note, I used that advice to outreach to Rand one time and it worked.

What do you by doing just one url?

I really think that Moz lacks in this area. For finding things like this I use Raven Tools, they have a really good crawler. It clearly shows all of the pages that reference an error. My thoughts would be that either you missed some links to the pages or the redirects are not working properly, I would suspect that if Moz finds them, Google or Bing will find them.

My view is a little bit different, but to be 100% I would have to look at the site. If the application / module is using style="display:none" to hide the tag, I would not use it. The reason being is that multiple h1 tags on a page dilute or in some peoples opinion cancel out other h1 tags. There are valid reasons to hide h1 tags, like when you are doing fade ins or have a slider with it in there. So I am of the opinion that even if it is hidden Google will pick up on it. So you do run the chance of being caught for keyword stuff or it could cancel out your h1 tag that is displaying. (As far as I know there is no clear 100% information on how Google handles multiple h1 tags. I have heard all sorts of things including it registers the first one seen in code, it registers the last one seen in code, it combines the weight given to all of the h1 tags, and even that they don't matter it is text size above the fold that matters)

If it were me this is what I would do. I would remove the text from the banners and use the built in functionality for the text. Depending on the location of them on the page really depends on how I would tag them, they could be h2, h3, span, ect. But I would opt for on page visible text over using a graphic with text. I realize that you do not like the style that it uses, but it is just a style that can usually be mimic'd with a style sheet. The reason I usually opt not to use text on banners is twofold. It cannot be translated and it cannot be searched.

I am going to have to go back to the drawing board with this, I was not aware of these issues. I am going to edit my post to reflect.

I might have used a bad example with Rand, but it is amazing how many companies take paid posts or reviews. Places like Allure, Vogue, Huff Post, NY Times, ect. What you are really hitting is the demographic that thinks they are reading something that is impartial, but in reality they are just being advertised to under the guise of "News". I always make sure the link is nofollow, so I do not really consider it blackhat, be shakey marketing, maybe. But in the end it comes down to dollars and cents. I regularly have posts that are paid in the 500-1000usd range. When you first do it, it is a leap, because there is no SEO value at all. But the largest return I have had was a post that in 3 days grossed 50k in sales on high margin products. The posts usually die fast, because people want the latest greatest thing. But they end up getting shared and work for the most part generally.

Could you add a short description to each video to dilute the content of the page?

My thought is this, there is one type of spam that is becoming more pervasive in our industry that I never see anyone talking about. It is address and location spam. Google has a lot of the spam mechanisms together, but this one I think is very hard to combat. Companies without a physical address can basically buy a real address from companies like Regus and then be listed in local results. In reality all they are doing is making up mailbox numbers. Like 123 street Suite 3, there is no suite 3 but Google still recognizes it as a non PO box address and uses it in local results. I have had many clients that operate several facets of online e-commerce sites out of one office. They might have a makeup site, an electronics site, and a sporting goods site, all drop shipping from the same 300 square foot office. Generally I get them to ask their postal worker if there is an issue with changing their address into suites. They never say no, or haven't yet. But all the mail for 123 street suite #1, suite #2, suite #3 all gets dropped at the same box.

I have had a couple clients that sell products that are legal in their country and are now coming online as legal in certain states in the US. By them getting virtual office packages it has allowed them to move their businesses into local markets that they can service as well. In those cases I have seen it work exceptionally because of the strict geographical targeting.

When I can I keep both, I try to keep the normal structure and mark it up with schema mark up. I am almost positive that technically you can include organizational data without it being visible on the site, but I generally think it is a good practice to keep it visible even if it is not for SEO. Think about how a meta description is, they basically hold no SEO value any more, but the value they hold is to get people to click through the SERP's to your site. Having the normal NAP structure holds the value of people trusting your business. Also, things can change, I do not want to be caught with my pants down if Google decides that organizational data needs to be displayed on the page and hidden data is no longer allowed.

Generally it is against Google's guidelines if you are buying a do follow link. So in doing something like this you need to weigh the SEO vs Marketing value. I personally do it with a lot of my clients, but not for SEO purposes, it is for marketing / sales purposes. My clients are generally e-commerce sites for a little insight. See some markets have blogs that people read every time it is posted. Kind of like a Rand Fishkin article in our market. If Rand came out tomorrow witha whiteboard friday and said this product is great, it boosted Moz's organic SEO by 100% think how many people would flock to buy it. Most of the time since paid links should be no follow, there is no SEO benefit, but at the end of the day if it puts more money in yours or your clients pocket than was spent, then it is worth it. I will say that I buy links, I make sure they are not followed and I buy them when I think they can create sales for my clients. As far as I know that model fits in the Google guidelines because buy making sure they are not followed I am not buying them for SEO purposes.

What do you mean, could you elaborate.

**The following is bad advice, I am just leaving the text so people can see what it is, so no one follows it. **

If it were me, I would do make a totally different site, on a totally different server (hosting company) with totally different registration information. From there I would basically maintain two sites, maybe get a second phone number, maybe even split the address so you can use local citations.

But, I would not move the main site over to the new domain. The hit you would take would take a long time to recover from like EGOL said.

I would, personally I have disabled my tag page and author page since there are no tags, and only one author. As for the categories I have them no-indexed.

Here is a tip that I use for my clients and I would recommend. Most CMS / Ecommerce platforms allow for you to put a category description in the page. But, what they do is when the page paginates is they use the same category description and just different products on the page (some use a querystring on the url, others use a shebang, others use other things).

What I recommend to my clients to escape any thin content issues is to point the canonical url of all of the paginated pages back to the 1st category page. At the same time I will add a noindex, follow tag to the header of the paginated pages. This is counter to what a lot of people do I think, but the reason I do it is because of thin content. Also you don't want your page 3 results cannibalizing your main category landing page results. Since no CMS that I know of lets you specify different category descriptions for each pagination of a category it seems like the only real choice. It also makes it where you do not really need to add rel=next and rel=previous to the paginated pages too.

One trick you can do is dilute the text pretty easily and make some small changes to make them compete with each other instead of one canceling two out like a duplicate content will get you. You could try something like this and it should be pretty easy to implement if you are using a template based cart system.

Shop 1 - Just have the normal product description on the page and all of the standard text you have from your menu, ect basically changing nothing.

Shop 2 - If your site is utilizing rich snippets, change them on a template level. Most work like this $template_variable So on the second site delete a little bit of the rich snippet data, say the condition and the manufacturer name. At the same time on every product page add a 200-400 word shipping and return policy. As the current standards are, that should dilute everything enough to look like a totally different page.

Shop 3 - Basically the same as shop 2, change the rich snippet data that is sent a little. Maybe it could be adding manufacturer data that is not in the other templates, or taking something else that is non essential out of the template. Then add in on the product pages a different but meaning the same 100-200 word shipping policy. At the same time either add in an "about" section for the manufacturer, or if you have too many manufacturers for this to be reasonable add in an about for your company on every product page.

By doing this you will make the pages compete with each other instead of making one page dominate. If you are using a template based CMS, the changes should be easy and should only take about an hr or two to do, minus the time to write the content.

I help moderate a relatively busy forum, sever hundred thousand active users, let me share some of our insights.

It sounds like you have links in posts being followed, no follow all links in posts no matter who posts them. For footer signatures, make a threshold, say 25 posts before the user can have a footer signature. If you want to give people more incentive to post, have a do follow link in their profile after a certain threshold has been passed, like Moz does.

Fighting forum spam is a full time job almost, but it is easier to beat it in the beginning than just handle it as it comes in. Create a honey pot on your registration form and change it out weekly. Something like this could work, http://solutionfactor.net/blog/2014/02/01/honeypot-technique-fast-easy-spam-prevention/

As for the links on the other sites I would disavow them, but once you stop the spam, they should stop. What they are doing is called link laundering. They are placing a link in your forum, then they are using a service like fiverr or similar to build backlinks to the forum link. They do this in hopes to raise the authority of the forum post and in turn raise the authority of links pointing to their site. They are pretty insulated from penalties by doing this, but they risk you getting a penalty.