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SEO Tests Catalogue

This is just a sample of the documented and peer reviewed SEO Tests on offer inside of IMG. Up to 10 new tests published monthly to keep you on top of what's working in Google right now.

Tester
Test Title
Hypothesis
Category
Tags

Ted Kubaitis

We are trying to see if Keyword Density is a ranking factor.

On-Page

Keyword Density

Ted Kubaitis

If Keyword Density is the factor then the match count tests will slot in around 10% because they were kept at around that density

On-Page

Keyword Density

Ted Kubaitis

Are broken script includes a negative ranking factor?

Technical

Site Errors, SEO Audits

Ted Kubaitis

Are broken images a negative ranking factor?

Technical

Site Errors, SEO Audits

Ted Kubaitis

Are broken script includes a negative ranking factor?

Technical

Site Errors, SEO Audits

Ted Kubaitis

Testing names with in Heading Tags (Known Entities?)

On-Page

 Heading Tags

Ted Kubaitis

Testing the diversity of different kinds of errors as a negative ranking factor.

Technical

Site Errors, SEO Audits

Ted Kubaitis

GSC recently started reporting on broken images. We are wondering about broken css includes.

Technical

Site Errors, SEO Audits

Ryan Hough

At least 50% of a page needs to be unique

On-Page

 Duplicate Content

Ryan Hough

At least 60% of a page needs to be unique  

On-Page

 Duplicate Content

Ryan Hough

Pages that are similar maybe filtered

On-Page

 Duplicate Content

Kyle Roof

The closer the page is to the .com the better it will rank.

Technical

Subfolders, Site Structure

Ted Kubaitis

Does having more ranking factors on a page increase rankings

On-Page

ALL THE FACTORS!

Lee Witcher

Stop words are ignored by Google.

YouTube SEO

Stop Words, Meta Data

Ted Kubaitis

Are headings with no keyword matches a factor? Lets test that.

On-Page

Heading Tags

Ted Kubaitis

Search Volume for a test keyword may impact index allocation for a keyword in the primary index

Technical

Google Bot, Crawling, Indexing

Lee Witcher

With HTML language declared as English, lorem ipsum and English test pages will rank equally well.

On-Page

Language Factors

Kyle Roof

Entities are a ranking factor

On-Page

Keywords, Entities

Ryan Hough

Unique keywords are not filtered

On-Page

Keywords, Duplicate Content

Roman Barnes

Does Google follow more than 4 Redirect Hops? 

Technical

Redirects

M. Isse

Is this an algorithmic or manual penality?

Off-Page

Manual Penalty

Laura Klein

An image optimized according to the Search Console Help recommendations will rank better in Google Image Results

On-Page

Image Optimization

Malte Böhm

I try to find out if comment links from an authoritative source influence the rankings.

Off-Page

DoFollow Comment Links

Alex Guemez

Google reads keywords in A Title Tags.

On-page

Technical

Az Respes

Google orders titles in number order 1,2,3,4….

On-page

Content

Vinay Karanam

Random alpha triggers flags in YouTube accounts

YouTube SEO

Content

Lee Witcher

YouTube can be used as an indexer.

YouTube SEO

Indexing

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