What is AhrefsSiteAudit?
AhrefsSiteAudit is a technical SEO crawler that analyzes websites to identify and flag over 170 technical and on-page SEO issues, providing detailed recommendations and performance metrics for website owners. Agent Analytics can track when it visits your website.
Overview
| Operated By | Ahrefs |
| Source | Official Website |
| Expected To Follow Robots.txt | Yes |
| Insights Last Updated | July 19, 2026 |
Category
Expected Behavior
AhrefsSiteAudit maps sites the way its customers' SEO tools need, following internal links to build a full picture of structure, content, and ranking signals. Expect thorough crawls rather than spot checks, with frequency rising when your site or your competitors are actively monitored in its tools.
AhrefsSiteAudit's User Agent
| User Agent | Mozilla/5.0 (Linux; Android 13) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.128 Mobile Safari/537.36 (compatible; AhrefsSiteAudit/6.1; +http://ahrefs.com/robot/site-audit) |
How To Block AhrefsSiteAudit With Robots.txt
Add this rule to your robots.txt file to block AhrefsSiteAudit from accessing your entire website, or use Automatic Robots.txt to block all SEO crawlers at once. You can customize which pages are blocked by swapping out / for a different path.
User-agent: AhrefsSiteAudit # https://knownagents.com/agents/ahrefssiteaudit
Disallow: /Global Insights for AhrefsSiteAudit
As of July 19, 2026, this data reflects agent visits measured across thousands of websites using Agent Analytics, combined with daily scans of the world's top 1000 websites and their robots.txt files.
Robots.txt Blocked Percentage
Country of Origin
Robots.txt Blocking Trend
1% of top websites block AhrefsSiteAudit in their robots.txt files.
Overall SEO Crawler Traffic
3.2% of all web traffic came from SEO crawlers.
Top Visited Website Categories
The types of websites most frequently visited by AhrefsSiteAudit.
Frequently Asked Questions
Should I Block AhrefsSiteAudit?
Only if you want your own pages and outbound links out of those tools. AhrefsSiteAudit collects the ranking and backlink data behind SEO tools, likely including ones you or your agency use, and it does not change how search engines rank you. Blocking it will not hide your backlink profile either, because backlinks are discovered on the sites that link to you. For comparison, 1% of the top websites we track already have robots.txt rules for AhrefsSiteAudit.
Does AhrefsSiteAudit Follow Robots.txt Rules?
Yes. AhrefsSiteAudit is expected to follow robots.txt rules, so a disallow rule is the right first move. Automatic Robots.txt adds and maintains that rule for you, and Agent Analytics confirms AhrefsSiteAudit actually follows it.
Does AhrefsSiteAudit Access Private Content?
Login walls stop it. AhrefsSiteAudit analyzes public pages for rankings, links, and site structure.
Why Is AhrefsSiteAudit Visiting My Website?
Your domain shows up in the ranking, backlink, and competitor data AhrefsSiteAudit's operator sells. If anyone tracks your site or your competitors in an SEO tool, AhrefsSiteAudit visits you.
How Can I Tell if AhrefsSiteAudit Is Visiting My Website?
Agent Analytics tracks AhrefsSiteAudit visits in real time alongside every other known AI agent, crawler, and scraper. You can also check your server logs for requests whose user agent string contains "AhrefsSiteAudit". Look for full site crawls that follow your internal links. Keep in mind that AhrefsSiteAudit doesn't publish a verification method, so any client can claim its user agent string and a log match is a hint rather than proof.