How do you know when your on a Auth website?

[activitysuper]

Hi,

How do you know when your on a Auth website?

Gaining backlinks from Auth 'relevant' websites is at the top of any SEO's list but how do you know when you have found one?

Generally I look at DA/PA and social following, the bigger the social lists and the more activity socially on the website the more I think they are a Auth website.

So if I had something like DA/PA 60+ and lets say 5000+ twitter and facebook followers with sharing activity on the site, I would then try and gain a link.

Cheers

[SEODinosaur]

You can also check their link profile.. Do they have a natural back link profile or are they over optimizing. Also check the onsite work, do they have a site that is trying to manipulate spiders (footer links, hidden text, stuffing keywords).

Do they have a blog on their site? when's the last time someone posted on this blog? dare these blog posts shared? Is the sites social media activity real?

If they have a good site with a good linking profile

and

If the site is active (frequent posting) and it has real followers on twitter or likes on Facebook with interaction/commenting then it is a good company to link with.