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I just tried it and I did not get an error. Maybe it was a temporary glitch?

w3cAAMh

Do you have internal links that use the .net address? That would make Google try to find them...

Here is a nice Moz Blog post from Peter Meyers on Title Tag Guidelines, including a preview tool.

[The url that shows up is the actual url of the page--it is not like Adwords where you can use a display url; this is different from the title tag.]

Also, it is a fixed rather than responsive layout. Google has announced that as of April 21 they will be expanding using mobile-friendliness as a ranking signal, so that would be a drawback. http://googlewebmastercentral.blogspot.ca/2015/02/finding-more-mobile-friendly-search.html

The reason that duplicate content is an issue is because Google will eventually drop one of the duplicates from its index, and if you have both page A and page B canonicalized to page B, Google will eventually drop page A in favor of page B.

If you are concerned that page A is not being crawled, you can use Fetch as Google to ask Google to recrawl it. But if A is not being crawled and B is, again B will be chosen over A in the results pages.

This is how to do it: https://support.google.com/a/answer/1631861?hl=en

"users can transfer all data from one Google+ profile to another, using Google Takeout.

Note: Make sure to turn on the Google Takeout service for your organization."

A couple of thoughts--yes, that is not what rel=canonical is for. It is meant for identical or nearly identical pages. If you wanted that effect you could noindex the training pages, but you say you don't want that, so both of those choices are out.

If you have multiple training pages that go to one product, you will presumably have links on those multiple training pages back to that one product page, and that will be a sign to Google that the product page is important.

Also, if the product page stays up and the training pages are up for a short while and then go away, those short-term training pages are unlikely to overtake the product page that remains up and is able to attract links and other positive signals.

A couple of months ago, I noticed that in Webmaster Tools my site had acquired 300,000+ links from a single site, updown.com. It seems to be a reputable site, and also in the correct industry, so I wrote to them and said that we love links, but that was probably a few too many and they all go to our privacy policy page. I suggested that they had some type of error that they might want to fix.

After a month with no response, I wrote again, and still no response. This is now a month after that.
The strange thing is that I don't see the links when I visit their pages, even in the source (Google provides a list of sample linking pages). I also don't see those links in Open Site Explorer, Majestic, AHREFs, nor Screaming Frog.

If I were seeing this anywhere else, I'd just ignore it as some type of glitch. But this is information from Google. I have not received any warnings nor manual actions and I am disinclined to open a disavow can of worms, since the site is doing well and I'd rather not stir things up if I don't have to.

Any thoughts about what I should (or shouldn't) do? Is this a problem, or should I assume Google knows it is a glitch and will ignore it? It has been in my Webmaster Tools for about three months.

Thanks for reading!

Welcome to the Moz community! Moz has some great material on how to get started, like their Beginner's Guide to SEO. After you'd read that, the learn SEO page has a whole lot more information. Once you have looked that over, you will be able to better refine the specific things you need help with.

You can also use Screaming Frog to look at the linking page--look in the "Meta & Canonical" tab to see if it's nofollow or not. [It is free for a limited number of pages.]

It does seem odd that you keep getting routed to the Q&A forum. Though this forum is a good place to find reasons Google might not have indexed your site. The more details of the situation you share, the better the answers you are likely to get.

As far as the tools, after you log in, go to moz pro in the upper right corner, and hover over the research tools tab--you should see a drop down menu. Click on "view all research tools" and you will see a table which includes a crawl test. The results from that would be a good place to start.

If you are not seeing that path to the tools, you could contact Moz-- they should be able to straighten things out for you.

SEOquake is the other one I use, besides the Mozbar, btw.

There are a number of ways, along with the source code. Open Site Explorer will tell you, as will the Mozbar. There are also browser plugins you can use.

Yes, I could see it on the page, with Screaming Frog and in the Moz toolbar. Where are you seeing that Moz can't see it?

If those pages are still ranking in the top 50 for one of the keywords in your campaign, they will continue to be graded. The on-page tool automatically grades pages in the top 50, giving you the opportunity to do a little work to improve a page that is already starting to rank. The fact that they have an F doesn't make any difference to anything.

However, you might not want sub-optimal pages hanging around--you could either redirect them to an appropriate new page (301) or else just 404 them (not found). If you have already done this, it might just need more time for Moz to catch up.

As far as the links, which links do you mean? Sometimes people do link to sites using links with extra, unnecessary characters.

I have not had this problem myself, but a search turns up the possibility it is your plugin, W3 Total Cache. Here is a link about how to clear the cache, in case you want to try this: http://www.inmotionhosting.com/support/edu/wordpress/recommended-wordpress-plugins/clearing-cache-in-wordpress

Just adding my two cents, while you are making your list.

To add, the other thing as far as point two, you mentioned that they checked Google on their own computers. Have you talked about how Google tailors search results to particular users? You could send them a Moz keyword ranking result, with personalization removed.

If you are in the process of updating, maybe an easier way to attach images?

When you say you have Jones, Jones & Jones and Jones and Jones listed in the keywords, what do you mean? In a keywords meta tag? That is not used by Google anymore. When you say "other pages where I did not list the home page", do you mean you do not use a keyword tag?

Neither a double name nor an ampersand should be a problem, though there might be a lot of competition for a common name. You could try the Moz keyword tool to see how difficult your term is to rank for.