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I've always believed that a Good SEO audit requires at least one page to be given a true manually reviewed style audit. I'm a huge fan of automation and site spider tools for a whole website, but definitely, it starts with wrapping my head around what needs to be done on a given page.
Probably with a bit of irony, our own website is seriously overdue for an SEO audit, as we've been neglecting it for having been so dang busy in recent memory. Here's a great example of even our own SEO content page being seriously due for some search engine optimization over at https://www.cayk.ca/search-engine-optimization/ but I still consider our own site to be constantly improving regardless. haha

If you had to prioritize Moz features for those just getting started, what would be your top three?

I have my own thoughts here, but I am keen to hear what other Mozers believe.

@ray96 Top right hand corner, click your avatar icon, then down to "Account & Billing" which will have a Cancel link from there.

@hankhoffmeier Additional to the other replies here, if you can add an image unique to the 404 error, you could get the information you're hunting for server-side by measuring the hits to the image in question. Many server side reporting tools will also allow showing image downloads by URL, which would workaround your core issue that with regard to the 404 URLS themselves.

@pau4ner I'm with you, /tag/ pages likely aren't the end of the world. However, why not just robots.txt disallow them if someone was concerned?

I've always believed that a Good SEO audit requires at least one page to be given a true manually reviewed style audit. I'm a huge fan of automation and site spider tools for a whole website, but definitely, it starts with wrapping my head around what needs to be done on a given page.
Probably with a bit of irony, our own website is seriously overdue for an SEO audit, as we've been neglecting it for having been so dang busy in recent memory. Here's a great example of even our own SEO content page being seriously due for some search engine optimization over at https://www.cayk.ca/search-engine-optimization/ but I still consider our own site to be constantly improving regardless. haha