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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

Keyword Density

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

On-Page

Keyword Density

Ted Kubaitis

Keyword Density

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

Broken Links

Are broken script includes a negative ranking factor?

Technical

Site Errors, SEO Audits

Ted Kubaitis

Broken Images

Are broken images a negative ranking factor?

Technical

Site Errors, SEO Audits

Ted Kubaitis

Broken Script Includes

Are broken script includes a negative ranking factor?

Technical

Site Errors, SEO Audits

Ted Kubaitis

Names In Headings Anomaly

Testing names with in Heading Tags (Known Entities?)

On-Page

 Heading Tags

Ted Kubaitis

Error Diversity

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

Technical

Site Errors, SEO Audits

Ted Kubaitis

Broken CSS Includes

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

Technical

Site Errors, SEO Audits

Ryan Hough

How much original text is required for a page to be considered “unique”

At least 50% of a page needs to be unique

On-Page

 Duplicate Content

Ryan Hough

How much original text is required for a page to be considered “unique” v2

At least 60% of a page needs to be unique  

On-Page

 Duplicate Content

Ryan Hough

Will pages that are very similar be filtered out of Google?

Pages that are similar maybe filtered

On-Page

 Duplicate Content

Kyle Roof

Does it matter how many subfolders deep you have your target pages?

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

Technical

Subfolders, Site Structure

Ted Kubaitis

Factor Diversity

Does having more ranking factors on a page increase rankings

On-Page

ALL THE FACTORS!

Lee Witcher

Do Stop Words Matter?

Stop words are ignored by Google.

YouTube SEO

Stop Words, Meta Data

Ted Kubaitis

No Match Headings

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

On-Page

Heading Tags

Ted Kubaitis

Does Search Volume Or CTR Effect Indexing

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

Technical

Google Bot, Crawling, Indexing

Lee Witcher

Does English Rank Better Than Lorem Ipsum? Part 2

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

On-Page

Language Factors

Kyle Roof

An Attempt at Entities as a Ranking Factor

Entities are a ranking factor

On-Page

Keywords, Entities

Ryan Hough

Duplicate content works at the keyword level

Unique keywords are not filtered

On-Page

Keywords, Duplicate Content

Roman Barnes

Maximum Redirect Hops that Google Follows

Does Google follow more than 4 Redirect Hops? 

Technical

Redirects

M. Isse

Manual Action Penalty

Is this an algorithmic or manual penality?

Off-Page

Manual Penalty

Laura Klein

Optimize for Image Search: Part 1

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

On-Page

Image Optimization

Malte Böhm

Do DoFollow Comment Links matter?

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

Off-Page

DoFollow Comment Links

Alex Guemez

Does Google Read Keywords in A Title Attribute?

Google reads keywords in A Title Tags.

On-page

Technical

Az Respes

Does Google Filter Titles with Numbers in Ascending or Descending Order

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

On-page

Content

Vinay Karanam

Does Random Alpha Text Get Your Youtube Video Flagged?

Random alpha triggers flags in YouTube accounts

YouTube SEO

Content

Lee Witcher

Can YouTube Be Used As A Link Indexer?

YouTube can be used as an indexer.

YouTube SEO

Indexing

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