[Advice] How to filter spam sites

Hello,

I am working on a personal tool to filter spam sites. Would really appreciate your inputs on my filter and how it can be improved

For my client's project, I have to continuously prospect new sites (from providers and backlink dumps). Unfortunately, metrics are only half the story. I have to run down a small checkout to filter sites. Something like this

Basic Quality Check

Google Index Check

Straight, is it indexed on google. No? skip.

SEM Rush Search Drop

A big drop with little or no recovery gets a red flag.

Majestic Backlink Anchors Similarity

This applies to niche sites mainly. If the anchor cloud looks filled with related keywords, its a green flag.

But, often times (mostly public PBNs) I have seen sites with good metrics get turned into a toxic link spam minefield over a span of few months. To overcome this, I scan for content quality in current content.

On-site Quality

Site Content Consistency

If a small site is covering from anyday loans to herbal panacea - its pretty obvious, where this is headed.

Anchor Spam

A shortcut to check consistency from the previous point. Looking into anchors for the last 10-15 articles. If there are too many business keywords from different industries, not a good sign.

There are a couple of extra things I cover like readership, posting moderation. paid content history - but they are mostly related to pricing/negotiation. Don't think that's relevant to backlink quaity of a source.

Now, this might sound like an overkill. But a good portion of these tasks are covered by scripts. Thing is they are a bit scattered around and I want to put them together in a process.

But before I dive into that, I really want to improve on my current filter and I am looking forward to hearing your inputs.

What does it mean "SEM Rush Search Drop"?

SEM Rush shows estimated organic traffic. I take a big drop in ranking or organic search traffic, as an indication of some sort of penalty.

To set up the filter in Google Analytics:
Select “Admin”.
Under “View”, select “Filter”.
Click on “Add Filter” and give the filter a name.
Click on “Custom” and “Exclude”.
Select “Campaign Source” as your “Filter Field” and enter the domains you want to exclude in the box.

Thanks for the tip. But I am looking to filter sites from seo point of view, as in to prospect new sites for link building.

simple but useful thanks for the short thread on the term spam

dummerfranz said:

simple but useful thanks for the short thread on the term spam

Click to expand...

Do you understand what spam actually involves ( apart from dozens of pointless posts on a forum, overnight)?

This however is a clear example of a spammed post, it offers zero information and instead of making this post, you could have and should have just clicked the like button.