Last updated in September 2020
Learn how to improve your blog’s domain authority. Ranking well in Google is a challenge for many bloggers and website owner. Domain authority describes your ability to achieve good results in Google and to gain traffic from it.
MOZ assesses your website’s domain authority and gives you a number between 1-100 with 100 being the best. You can improve your blog’s domain authority to rank better but there is no clear guide for this. Therefore, his survey aimed to find out which components of a website are associated with a high domain authority score.
Table of Contents
What we already know about domain authority
Official data about the components of DA is provided by MOZ. They state that they take into account:
- Social signals
- Quality content
- Search engine optimization (SEO) friendliness
However, there is much open to interpretation. In fact, we do not know whether these are the only factors taken into account and how they are weighted. SEO Siren has estimated the weighting as follows:
This is inline with the findings from other bloggers on how to improve DA.
The survey was run during July 2019 and was advertised in Facebook groups and on Twitter. Additionally, participants could share the survey with other bloggers. The only requirement for participation was being the owner of a blog.
The survey was comprised of 17 questions revolving around relevant elements to DA. Participants could skip questions and complete the survey anonymously if they wanted.
I analysed continuous data using Pearson or Spearman correlation coefficient and categorical data with a Chi-squared test. When reading the results, please keep in mind that the sample size was small so these tests have limited meaning.
Improve your blog’s domain authority: Results
There were a total of 27 participants with a mean domain authority of 24 and a mean blog age of 40 months. On average, blogs had 1,387 Do Follow and 1,281 No Follow links.
The table below shows the average characteristics of the survey respondents.
|Do Follow Links||1,387|
|No Follow Links||1,281|
|Internal links per post||2.9|
Domain authority and blog age
There was a strong association between domain authority and blog age (p=<0.00006). Thus, an average blog takes around two years to reach a domain authority of 20 and around five years o reach a domain authority of 30.
However, this analysis does not account for confounding factors. For example, an older blog can be expected to have more backlinks, more posts, a greater social media presence, etc., all of which could influence domain authority.
Social media activity
Posting frequency on social media (quantity of posts) was not associated with domain authority (p=0.9834).
One reason for this could be that number of shares per social media post is more important than the mere number of posts. The former indicates quality whereas the latter indicates quantity.
IMprove your blog’s domain authority: Backlinks
The number of Do Follow links was associated with a higher domain authority (p=0.000052). Notably, this association was stronger than blog age and referring domains. However, the association for No Follow links was not significant (p=0.64682).
The figure below shows Do Follow links for blogs with <500 Do Follow links.
Referring domains is a measurement of domain diversity. Thus, this indicates how many different websites link to your blog. But it does not assess backlink quality, as the referring domains could be spammy or have low domain authorities themselves.
In this survey, there was a significant association of the number of referring domains (link diversity) and domain authority (p=0.001604). Interestingly, the association was less strong than the number of Do Follow backlinks. This means that number of backlinks may be more important than link diversity.
However, another reason may be that referring domain include domains that link to the website with a No Follow link. To account for this, I would need to look at the referring domains from Do Follow links only and, currently, there is no easy way of doing this.
I looked at a number of other elements that could potentially have an association with domain authority. In this survey, none of these factors was significant.
- Spam score (p=0.56057)
- Internal links (p=0.64682)
- Blog posting frequency (not tested)
- Post updating frequency (not tested)
- Commenting on other blogs frequency (not tested)
More data are required to provide insights and allow for testing of the categorical data.
Improve your blog’s domain authority summary
In summary, there are many factors associated with higher domain authority. The number of Do Follow backlinks appears to be the most important factor, even more than referring domains and blog age.
People often recommend bloggers to update their posts and comment on other blogs. Despite this, there was no indication of any influence of any of these elements on domain authority. Therefore, bloggers focusing on increasing domain authority should focus on other elements such as building backlinks.
Nevertheless, the significance of this survey is limited due to the low participant number. You can help improve this by filling in the survey yourself. If you input your email address, I will send you the survey report when I do the next analysis. Meanwhile, you may be interested in improving your blog’s speed.
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