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Sure, I can see the issues there. Having a look at the sitemap and submitting that would be my best guess.

I know I promised you a crawl and I apologize for the delay I've been so busy lately. But here is something without your domain name on it that gives you an idea of what's going on I will private message you the rest of the information. when I give you the report it will be in PDF format in addition to all five link you can click on anything with a green arrow or literally pretty much anything on the report to see more. the amount of redirects you have  are to say the least extremely high. don't worry I have not put your domain in anything that is public. Again I'm sorry for the delay, Thomas kzRefEi.png

Hi, I just run those with Screaming Frig - as a basic crawler - all is good. Source code also looks ok. There are no issues there - you should be safe. I see the issues on the seobook crwler - it's for sure an issue there not on your side. Cheers.

I don't think you understood the question as it didn't have much to do with links. This is related to a content management system which has an ugly url which a developer then took to make it more user friendly. While a user browsing the site sees clean URLs, webmaster tools reported 500 errors which are essentially server errors. It doesn't seem those errors are in the console anymore. But, I was wondering if anyone has seen sites receive penalties because of a handful of 500 errors even though the site looks pretty good from a user perspective. (Note: the site is fairly large and a few 500 errors appeared).

I think the point is, mydomain.com/Page.html 301's to mydomain.com/page.html but mydomain.com/page.html?x=y canonicals to mydomain.com/page.html so in this case both have a function. but having said that I would fix the links to mydomain.com/Page.html as using a 301 leaks link juice, they are good when correcting a external link, but an internal link should be fixed by fixing the link itself.