What is AhrefsSiteAudit bot, and why is it visiting my website?

AhrefsSiteAudit bot is a crawler operated by Ahrefs that powers the Site Audit feature within the Ahrefs SEO platform. It scans websites to analyze technical SEO issues such as broken links, crawl errors, page speed problems, and on-page optimization signals. Visits typically occur when an Ahrefs user initiates a Site Audit for a domain they control or want to analyze. The crawler systematically requests pages in a manner similar to a search engine crawler, and its presence in website logs is expected when a site is being audited using Ahrefs. Visits from AhrefsSiteAudit bot are non-harmful and the crawl speed is moderate-to-low.

Is AhrefsSiteAudit a legitimate bot, or is it commonly spoofed?

AhrefsSiteAudit is an official crawler operated by Ahrefs. Its traffic is legitimate when it originates from Ahrefs infrastructure and follows the documented user-agent and network patterns. However, like many well-known crawlers, its user-agent string is frequently spoofed by malicious bots attempting to bypass security filters or rate limits. Because of this, relying only on the User-Agent string in server logs is not sufficient to verify authenticity. You can use Ahrefs' recommended methods mentioned below to verify a legitimate visit, or use RobotSense.io API to easily verify AhrefsSiteAudit visits.

How can I verify that a request is really coming from AhrefsSiteAudit bot?

You can use Ahrefs' recommended official methods to verify AhrefsSiteAudit bot visits, these include: - IP range checks - Reverse DNS Do not use User-Agent based detection as that can be easily spoofed. Alternatively, you can use RobotSense.io API to easily verify AhrefsSiteAudit and other bots from Ahrefs.

Should I allow or block AhrefsSiteAudit bot on my website?

As AhrefsSiteAudit bot is a legitimate crawler of Ahrefs, you can safely allow it to crawl your public pages. If you are suddenly seeing too many visits, you can consider adding a small crawl-delay in your robots.txt before completely disallowing.

How can I control or block AhrefsSiteAudit using robots.txt or other methods?

You can add a rule in your robots.txt, as given above to control (crawl-delay) or disallow AhrefsSiteAudit bot. AhrefsSiteAudit bot honors robots.txt directives. Also, you can use further controls in your WAF, or in RobotSense enforcement settings to manage the bot behavior.

How often does AhrefsSiteAudit crawl websites, and can it impact server performance?

AhrefsSiteAudit crawling is typically audit-driven, meaning scans occur when a user schedules or manually launches a site audit in the Ahrefs platform. These audits may run periodically (for example weekly or monthly) depending on the configuration set by the Ahrefs user. During an audit, the crawler can generate a relatively high number of requests as it systematically checks pages and links. For most modern servers the impact is modest, but on very large sites or resource-constrained hosting environments the crawl may temporarily increase bandwidth usage and request rates.

What happens if I block AhrefsSiteAudit? SEO, visibility, and feature impact explained.

Blocking AhrefsSiteAudit does not affect search engine rankings, because it is not a search engine crawler. Potential impacts include: - Ahrefs users will be unable to run Site Audit scans on the blocked site - Technical SEO issues may not appear in Ahrefs audit reports - Some third-party SEO monitoring dashboards relying on Ahrefs data may show incomplete results However: - Search engine indexing (Google, Bing, etc.) is unaffected - Website visibility in search results does not change - Analytics or browser previews are not impacted

Does AhrefsSiteAudit bot collect, scrape, or use my content for training or reuse?

No, AhrefsSiteAudit has no officially documented AI purpose. It does download and analyze publicly accessible pages to generate SEO audit reports for Ahrefs users. While page content may be temporarily processed or stored for analysis, the crawler is not documented as collecting data for AI training purposes; its role is focused on SEO diagnostics and website health analysis.

AhrefsSiteAudit

Name: AhrefsSiteAudit
Author: Ahrefs

SEO Tools

Operated by AhrefsSEO Tools

Visit Bot Homepage

Verify AhrefsSiteAudit IP Address

Verify if an IP address truly belongs to Ahrefs, using official verification methods. Enter both IP address and User-Agent from your logs for the most accurate bot verification.

AhrefsSiteAudit is a crawler used by Ahrefs to power its Site Audit tool, which allows users to analyze websites for technical and on-page SEO issues. It performs structured crawls to detect problems such as broken links, redirect chains, crawlability issues, performance bottlenecks, and on-page SEO errors. This crawler is user-initiated, running only when an Ahrefs user configures or launches a site audit. Crawl activity depends on audit scope and settings, not continuous discovery. Its purpose is diagnostic rather than search indexing or competitive intelligence. RobotSense.io verifies AhrefsSiteAudit bot using Ahrefs official validation methods, ensuring only genuine AhrefsSiteAudit bot traffic is identified.

This bot officially honors Crawl-Delay rule.

User Agent Examples

Mozilla/5.0 (compatible; AhrefsSiteAudit/6.1; +http://ahrefs.com/robot/site-audit)

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)

Robots.txt Configuration for AhrefsSiteAudit

Robots.txt User-Agent:AhrefsSiteAudit

Use this identifier in your robots.txt User-agent directive to target AhrefsSiteAudit.

Recommended Configuration

Our recommended robots.txt configuration for AhrefsSiteAudit:

User-agent: AhrefsSiteAudit
Allow: /

Completely Block AhrefsSiteAudit

Prevent this bot from crawling your entire site:

User-agent: AhrefsSiteAudit
Disallow: /

Completely Allow AhrefsSiteAudit

Allow this bot to crawl your entire site:

User-agent: AhrefsSiteAudit
Allow: /

Block Specific Paths

Block this bot from specific directories or pages:

User-agent: AhrefsSiteAudit
Disallow: /private/
Disallow: /admin/
Disallow: /api/

Allow Only Specific Paths

Block everything but allow specific directories:

User-agent: AhrefsSiteAudit
Disallow: /
Allow: /public/
Allow: /blog/

Set Crawl Delay

Limit how frequently AhrefsSiteAudit can request pages (in seconds):

User-agent: AhrefsSiteAudit
Allow: /
Crawl-delay: 10

Note: This bot officially honors the Crawl-delay directive.

Frequently Asked Questions

What is AhrefsSiteAudit bot, and why is it visiting my website?: AhrefsSiteAudit bot is a crawler operated by Ahrefs that powers the Site Audit feature within the Ahrefs SEO platform. It scans websites to analyze technical SEO issues such as broken links, crawl errors, page speed problems, and on-page optimization signals. Visits typically occur when an Ahrefs user initiates a Site Audit for a domain they control or want to analyze. The crawler systematically requests pages in a manner similar to a search engine crawler, and its presence in website logs is expected when a site is being audited using Ahrefs. Visits from AhrefsSiteAudit bot are non-harmful and the crawl speed is moderate-to-low.
Is AhrefsSiteAudit a legitimate bot, or is it commonly spoofed?: AhrefsSiteAudit is an official crawler operated by Ahrefs. Its traffic is legitimate when it originates from Ahrefs infrastructure and follows the documented user-agent and network patterns. However, like many well-known crawlers, its user-agent string is frequently spoofed by malicious bots attempting to bypass security filters or rate limits. Because of this, relying only on the User-Agent string in server logs is not sufficient to verify authenticity. You can use Ahrefs' recommended methods mentioned below to verify a legitimate visit, or use RobotSense.io API to easily verify AhrefsSiteAudit visits.
How can I verify that a request is really coming from AhrefsSiteAudit bot?: You can use Ahrefs' recommended official methods to verify AhrefsSiteAudit bot visits, these include: - IP range checks - Reverse DNS Do not use User-Agent based detection as that can be easily spoofed. Alternatively, you can use RobotSense.io API to easily verify AhrefsSiteAudit and other bots from Ahrefs.
Should I allow or block AhrefsSiteAudit bot on my website?: As AhrefsSiteAudit bot is a legitimate crawler of Ahrefs, you can safely allow it to crawl your public pages. If you are suddenly seeing too many visits, you can consider adding a small crawl-delay in your robots.txt before completely disallowing.
How can I control or block AhrefsSiteAudit using robots.txt or other methods?: You can add a rule in your robots.txt, as given above to control (crawl-delay) or disallow AhrefsSiteAudit bot. AhrefsSiteAudit bot honors robots.txt directives. Also, you can use further controls in your WAF, or in RobotSense enforcement settings to manage the bot behavior.
How often does AhrefsSiteAudit crawl websites, and can it impact server performance?: AhrefsSiteAudit crawling is typically audit-driven, meaning scans occur when a user schedules or manually launches a site audit in the Ahrefs platform. These audits may run periodically (for example weekly or monthly) depending on the configuration set by the Ahrefs user. During an audit, the crawler can generate a relatively high number of requests as it systematically checks pages and links. For most modern servers the impact is modest, but on very large sites or resource-constrained hosting environments the crawl may temporarily increase bandwidth usage and request rates.
What happens if I block AhrefsSiteAudit? SEO, visibility, and feature impact explained.: Blocking AhrefsSiteAudit does not affect search engine rankings, because it is not a search engine crawler. Potential impacts include: - Ahrefs users will be unable to run Site Audit scans on the blocked site - Technical SEO issues may not appear in Ahrefs audit reports - Some third-party SEO monitoring dashboards relying on Ahrefs data may show incomplete results However: - Search engine indexing (Google, Bing, etc.) is unaffected - Website visibility in search results does not change - Analytics or browser previews are not impacted
Does AhrefsSiteAudit bot collect, scrape, or use my content for training or reuse?: No, AhrefsSiteAudit has no officially documented AI purpose. It does download and analyze publicly accessible pages to generate SEO audit reports for Ahrefs users. While page content may be temporarily processed or stored for analysis, the crawler is not documented as collecting data for AI training purposes; its role is focused on SEO diagnostics and website health analysis.