Eco[system] spam max

A domain's Eco spam max score indicates the degree to which our data partner believes it to be a 'spam' or junk domain, based on a scoring system outlined further below. This score is a significant factor in determining whether a domain will appear on the following lists:

Because a domain's spam score can vary depending on the context, this value reflects the highest spam score for that domain encountered in this ecosystem (due to the sampling methodology, spam scores may not be available for principal and/or competitor domains).

Interpreting Eco spam max scores

Eco spam max scores are on a scale from 0 to 100:

Spam score Description
0 This is the best possible score
1-15 This is a low score
16-30 This is a medium score, and will usually make a domain eligible for the consider disavowing list
31-59 This is a high score, and will usually make a domain ineligible for the consider for backlinks and consider for backlinks (list 2) lists
61-100 This is a very high score, and almost always indicates a junk (or even malicious) domain

Calculating Eco spam max

A score is calculated per page, based on 18 signals, which are listed in the table below. The domain's Eco spam max score is calculated by taking the average score of its pages.

Signal Impact on score
Domain name length (including TLD*) is less than 3, equal to 3, or greater than 20 characters +10
Main domain contains more than or equal to 2 numeric characters +15
Subdomain contains more than or equal to 2 numeric characters +20
Domain contains one of the TLDs associated with spammy websites* (see the list below) +20
Page doesn’t contain link or script tags from trustworthy sources (Google, Bing, Facebook, Twitter) inside the head element +20
Page contains link or script tags from trustworthy sources (Google, Bing, Facebook, Twitter) inside the head element -(number of
sources * 5)
Page contains social meta tags -15
Page contains contact info -20
Page utilizes non-local rel canonical tag +20
Website uses the insecure HTTP protocol instead of HTTPS +30
Page doesn’t have a title tag or its title tag is less than 30 or greater than 65 characters +5
Page has a title tag and its title tag is greater than 30 or less than 65 characters -5
Page doesn’t have a description tag or its decsription tag is less than 40 or greater than 200 characters +5
Page has a description tag and its description tag is greater than 40 or less than 200 characters -5
Page has more than 10 keywords in the meta keywords tag +15
Page has more than 100 external links +20
Page has more than 500 internal links +15
Ratio of external links to internal links is greater than 3 +15

*TLDs associated with spammy websites: .surf, .cn, .cfd, .ga, .biz, .hk, .pw, .icu, .top, .tw, .gq, .work, .cf, .cam, .ml, .bit.ly, .bit.do, .ow.ly, .goo.gl, .x.co, .rebrand.ly, .tinyurl.com, .t.co, .is .gd, .ht.ly, .xyz, .best

Visualising Eco spam max

In the main visualisation of a report interactive, the 'Eco spam max' view re-colours the domains to indicate their Eco spam max values in bands. This re-colouring aligns to the 0-100 scale detailed above.

Viewing Eco spam max values

All worksheets in the MS Excel file for a report that list domains contain an Eco spam max column for this attribute.