Semrush Check Domain Authority Score for free
If you’ve ever used Semrush, you’ve probably come across Authority Score. We’ll discuss what Authority Score monitors and how it may assist you make marketing decisions in this post.
- What is Semrush Authority Score?
- How Authority Score is Calculated
- What is a Good Authority Score?
- How to Use Authority Score for SEO
- How to Increase Authority Score
- SEMrush Authority Score FAQ
What Is SEMrush Authority Score?
SEMrush Authority Score is a composite statistic that we use to assess the overall quality and SEO performance of a domain or website.
The score is based on a variety of measures (detailed below) that signify trustworthiness and authority. It makes use of a neural network and machine learning to ensure that the score is constantly correct and up to date.
This score may be seen while studying a domain or site on Semrush in Domain Overview, Backlink Analytics, Backlink Audit, or the Link Building Tool.
Check the authority score of your domain with the free website Authority Score checker below.
How Authority Score Is Calculated
Authority Score is the result of calculations run by a neural network algorithm that uses machine learning to measure every domain’s authority based on quality, popularity, and backlink signals.
The calculation is carried out in two steps:
Step 1. Our initial machine learning algorithm uses organic search data, website traffic data, and backlink data to understand the rankings of the most popular and trusted domains on the web.
Step 2. The second algorithm uses backlink data to detect how a website increases or decreases its authority by gaining links. The metrics in this calculation include:
- The number of referring domains pointing to the site
- The authority of each referring domain
- Follow vs. nofollow links pointing to the site (inbound links)
- Follow vs. nofollow links pointing away from the site (outbound links)
- The number of outbound links from each referring domain
- The total number of backlinks pointing to the site
- The number of referring IPs pointing to the site
- The number of referring subnets pointing to the site
The value is measured on a scale from 0 to 100, with the latter being the strongest. The final score is measured in relation to the most authoritative domains. There are only a few domains on the Internet with the highest scores—99s, 98s, etc.
What Is a Good Authority Score?
The Authority Score indicates the overall quality of a domain or webpage. The graph below shows that the second domain has more backlinks, monthly visitors, keywords, referring domains, and IPs than the first site, yet its Authority Score is lower.
This simply implies that the former’s backlinks, referring domains, and IPs are of greater quality this website appears to be implementing a higher quality SEO campaign.
In general, getting a connection to your website from the first domain may be more convenient, and that link may favorably add to your website’s Authority Score. However, the importance of this relies on your website’s sector, specialty, and marketing responsibilities and goals.
Keeping this in mind, what constitutes a good Authority Score? Generally, a score of 0 indicates that a domain is the weakest.
However, in general, Authority Score is utilized for domain comparison rather than evaluating how excellent or awful a domain is on an absolute scale.
This implies you should compare a page’s or domain’s Authority Score to similar websites in the same or adjacent niches.
When evaluating these prospects, you should avoid comparing the Authority Score of a small niche blog to the Authority Score of a huge website (such as, say, foodnetwork.com).
In turn, you might misjudge the value of a link from a blogger, like in the example below (this is a screenshot of the comparison feature in the Domain Overview report)
The Authority Score of this blog, caseythecollegeceliac.blogspot.com, is significantly lower than that of foodnetwork.com.
However, a link building potential with a lower Authority Score may be fair in some cases. Higher average Authority Scores are seen in more competitive niches and websites, whereas lower average Authority Scores are seen in less competitive niches or websites.
When we compare caseythecollegeceliac.blogspot.com to its closest rivals, we observe that it has a better Authority Score. In this case, it may be a good, narrowly focused possibility for presenting a topic like “gluten free cast iron skillet recipes,” but it may not be suitable for pitching a larger topic like “best cast iron recipes.”
How to Use Authority Score for SEO
The Authority Score provides useful data that may help you to improve your link building when looking for quality domains, and to increase your website’s authority by tweaking your SEO efforts. Some ways to use Authority Score in your SEO workflow may include:
- Competitor analysis
- Judging link building prospects
- Judging domains, you want to buy
- Tracking the impact of an SEO campaign over time
- Watching out for negative SEO
In these cases, Authority Score Trend may be handy. It could help you compare how much work a site needs to catch up to its competition or how much potential benefit a new investment or partnership with a website may bring.
Website Authority Score Trend
If a domain’s score is upwards, it may be a sign that the site is actively working to improve its online presence and reputation. It may also be a sign of inefficient SEO strategies amongst competitors.
If a domain’s score is downwards, it could mean that the niche the website operates in is very competitive and it is falling behind, the recent site’s SEO efforts are ineffective, the site may have suffered from a negative SEO attack, etc.
These are just a few reasons that may lead to a drop or rise in Authority Score; the list is not comprehensive. The possible reasons why a domain’s Authority Score decreased or increased could be detected only after carrying out a comprehensive analysis of its SEO performance and the actions of its competitors.
Using the Semrush Link Building Tool for Link Building
In Semrush’s Link Building Tool, we have a column called “Rating.” It may help you to find niche-specific domains to get links from and, therefore, newly attained links from these domains may become one of the factors that might positively contribute to your website’s Authority Score.
Some of the aspects that help us determine a prospect’s rating include:
- The domain’s quality is based on links, keywords, and traffic
- The domain’s relevance based on common categories
- The domain’s health based on its own toxic backlinks
A higher domain rating means there may be a more realistic possibility to attain backlinks than from the ones with the highest Authority Score.
The table below is from the Link Building Tool, ranking a domain’s link building prospects by Authority Score.
These sites have really high Authority Scores in the 90s, but we rate them a 2 or 3 out of 5. Getting a link from these websites for our project domain (seoquake.com) might be difficult, which is why they get a low rating. If we filter by Rating instead of Authority Score, we’ll find prospects we rate the best to have scores ranging between 40 and 80.
Out of the domains in this screenshot, wix.com has the highest Authority Score and therefore may yield the best impact if you could get a backlink from that site to yours.
How to Increase a Domain’s Authority Score
One of the ways that may contribute to the growth of your Authority Score is to get quality backlinks. These can be defined as links from trustworthy domains that are relevant to your site.
Some strategies may include:
Creating quality content on your website, share it, and conduct outreach asking websites (that do not already link to you) for a link to your new page.
- Finding directories and indexes that list websites/businesses in your niche and get added to the directory.
- Finding best-of articles or lists in your niche that you think your website could be included in, and reach out to ask for an inclusion.
- Finding broken links that used to point to your competitor’s site, and reach out to them to ask for a link to yours instead.
- Getting rid of any toxic backlinks in your link profile.
The following will not directly increase a domain’s Authority Score:
- Receiving more links from a domain that already links to your site
- Receiving more website traffic
- Adding more pages to your website
- Acquiring more organic keyword rankings
- Acquiring more “nofollow” backlinks
- Acquiring more UGC or sponsored backlinks
Should you concentrate on link building only?
Remember that Authority Score is a compound metric based on different factors and indicators you should not rely on one of them individually, including focusing strictly on link building or something else. Gaining a higher Authority Score is always about the cumulative effect of all your SEO efforts.
In our recent study, we have discovered that domains with better overall keyword rankings had higher Authority Score but that does not mean that you should focus on getting more keywords only.
All your efforts should be in-line with a multipurpose SEO strategy. Gaining keywords that bring traffic to your website is just one of the actions among many you may consider to improve your Authority Score. It is not a magic bullet that will make your score rocket up.
Semrush Authority Score FAQ
What is a good website Authority score?
It depends. In general, you cannot call one Authority Score good and another bad. While a score of 0 means that a domain is not the strongest, Authority Score is used more for domain comparison, and not for determining good/bad on an absolute scale.
What you can do is discover your competitors and then benchmark where their Authority Scores are, and aim for a score that is equal to or above theirs.
As for looking at the trend, we recommend checking whether the domain’s Authority Score trend is falling or growing. You can visualize this in Backlink Analytics or the Backlink Gap tool.
Why did my score go down?
If a domain’s authority score is going down, it may be the result of the following actions
- Your website was outperformed by niche competitors
- Your recent SEO efforts may be less effective
- You may have suffered a negative SEO attack
- Your backlink profile demands a clean-up from toxic links, etc
These are just some actions that may be the reason for Authority Score to go down; the list above is not comprehensive. Moreover, there can be a number of simultaneous reasons for a drop in Authority Score. Each site’s case is strictly individual. You should run an in-depth analysis of your website’s SEO performance and that of your competitors to find out the possible reasons why your Authority Score went down.
Is a low score indicative of a spammy domain?
We can’t say for sure that a low score means that a domain is spammy. When you see a low score, it may mean the site has fewer trust signals than a reputable site may have. We recommend investigating the sites with low scores to find out if they, in fact, appear spammy, or if they are perhaps just brand new websites that are not established yet.
Can Google Penalties affect the score?
Directly, it is very unlikely. Receiving a Google Penalty won’t impact your site’s Authority Score immediately.
However, after receiving a penalty, we recommend removing and disavowing backlinks in order to lift the penalty and prevent possible negative consequences to your Authority Score.
Should I report my client’s increase in Authority Score to them in a regular report?
Yes, if you explain to them what it is. Just don’t rely solely on Authority Score for a domain’s overall performance—use it in conjunction with other key metrics like conversions, organic keyword positions, traffic, etc.
Show your client how their site’s Authority Score compares to other sites in their same niche (remember, it is a comparative metric, not an absolute metric).
Do more backlinks from the same referring domain boost Authority Score?
No, once you have a backlink from a website, getting more backlinks from the same website will not increase your Authority Score.
For more link building tips, check out our dedicated guide, Link Building for SEO.
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