Technical SEO issues can silently undermine your entire organic search strategy. Even the best content won't rank if search engines can't properly crawl, index, or understand your site. The AWT (Ahrefs Webmaster Tools) Website Crawler offers a free, powerful solution for identifying and addressing these hidden problems. Unlike many SEO crawlers that simply flag errors, AWT provides clear explanations and actionable recommendations for every issue it detects, making it accessible to SEO professionals and website owners alike.
This guide covers everything you need to know about using the AWT Website Crawler to improve your site's technical health, from initial setup to advanced optimization strategies. For comprehensive SEO services to address any issues you discover, explore our SEO services team.
What Is the AWT Website Crawler?
The AWT Website Crawler is a free site audit tool integrated into Ahrefs Webmaster Tools. It crawls your website much like search engine bots do, systematically discovering pages and analyzing technical elements that affect search visibility. The crawler is powered by the same technology that drives Ahrefs' renowned paid tools, giving users access to enterprise-grade crawl capabilities without a subscription.
Unlike basic SEO checkers that only scratch the surface, the AWT crawler performs a comprehensive analysis across hundreds of technical SEO factors. It examines everything from page-level elements like meta tags and headings to site-wide issues like crawl budget efficiency and internal linking structure. The tool categorizes findings by severity and provides specific guidance on how to resolve each problem, making it easier to prioritize fixes that will have the greatest impact on search performance.
The crawler operates within the broader Ahrefs Webmaster Tools platform, which also provides backlink analysis, organic keyword tracking, and competitor research features. This integration means that data from your crawl syncs with other metrics, giving you a holistic view of your website's SEO health. For website owners and SEO professionals working with limited budgets, this free tool provides capabilities that would otherwise require expensive software subscriptions. Our web development team ensures sites are built with crawler-friendly architecture from the start.
Key Features and Capabilities
The AWT Website Crawler checks for more than 170 common technical and on-page SEO issues, covering the full spectrum of factors that influence search engine visibility. These checks span multiple categories including crawlability, indexing, page speed, mobile-friendliness, security, and content quality.
One of the tool's distinguishing features is its explanation system. When the crawler detects an issue, it doesn't just label it as an error--it provides a detailed description of the problem, explains its impact on SEO, and offers specific recommendations for resolution. This educational approach helps users learn technical SEO concepts while fixing their sites, building long-term capabilities rather than just providing quick fixes.
The crawler also includes visualization tools that help you understand your site's overall health at a glance. Dashboard views aggregate data to show trends over time, while detailed reports break down issues by category, severity, and location within your site. Export capabilities let you share reports with clients, developers, or stakeholders who may need to implement fixes. Understanding how search engines evaluate your site is easier when you have keyword research data to correlate with crawl findings.
AWT Website Crawler at a Glance
170+
SEO Issues Checked
Free
Access Level
Historical
Crawl Reports
Yes
Competitor Comparison
How Crawl Budget Affects Your Rankings
Understanding crawl budget is essential for interpreting AWT crawler results and understanding why some pages may not be getting indexed. Crawl budget represents the number of pages search engines will crawl on your website within a certain timeframe, calculated based on your site's crawl demand and crawl capacity.
The AWT Website Crawler helps identify crawl budget issues by flagging pages that may be wasting crawl resources. These include redirect chains that force crawlers to follow multiple hops, infinite URL parameter variations, low-value content, and internal linking structures that don't effectively distribute crawl priority. By identifying these issues, you can streamline your site's architecture to ensure search engines focus on the pages that matter most for your SEO strategy.
Proper technical SEO implementation ensures your crawl budget is allocated efficiently across your most important pages. Using our keyword ideas guide alongside crawl data helps prioritize pages targeting valuable search terms.
Running Your First Crawl
Getting started with the AWT Website Crawler requires first setting up Ahrefs Webmaster Tools and verifying ownership of your website. Verification can be completed through several methods including HTML file upload, DNS record addition, HTML tag insertion, or Google Analytics integration. Once verified, you gain access to all AWT features including the Site Audit tool.
To initiate a crawl, navigate to the Site Audit section within Ahrefs Webmaster Tools and create a new project for your website. You'll configure crawl settings including the maximum number of pages to crawl, crawl speed, and which sections to include or exclude. The crawler respects robots.txt directives, ensuring it doesn't access areas you've indicated should be excluded.
Crawl duration varies based on your website's size. Small sites with a few hundred pages may complete in minutes, while larger sites might take hours. The tool runs asynchronously, so you can configure settings and let the crawl proceed. The platform supports recurring crawls for ongoing monitoring.
For a comprehensive approach to site audits, consider using our website audit checklist alongside the AWT crawler. Understanding your Google Reviews impact also helps correlate local SEO factors with technical crawl findings.
Configuring Crawl Settings for Optimal Results
Understanding and optimizing crawl settings helps you get the most relevant results. The page limit setting determines how many pages the crawler will analyze, with free accounts typically having limits around 5,000 to 10,000 pages per crawl. For larger websites, you may need to crawl in sections or prioritize the most important pages first.
The crawler includes options to exclude specific URL patterns, useful for filtering out parameter-based variations, duplicate content, or internal search results pages. Advanced settings allow you to configure how the crawler handles JavaScript-rendered content, AJAX calls, and other dynamic elements. Modern websites often rely heavily on JavaScript, so ensuring the crawler can properly render these elements is crucial for accurate results.
For sites with complex JavaScript frameworks, pairing AWT crawl data with our mobile optimization guide helps ensure proper rendering across all devices and search engines. Understanding international SEO best practices is also valuable when configuring crawls for multilingual sites.
Understanding Crawl Results
When your crawl completes, the Site Audit dashboard presents your overall Health Score--a percentage-based metric that summarizes how well your site is performing across all checked criteria. This score provides a quick benchmark for tracking improvements over time.
Issues are categorized into errors, warnings, and notices. Errors represent critical problems that likely impact search visibility, warnings indicate potential issues that may affect performance, and notices highlight minor opportunities for improvement. This classification helps you prioritize efforts, focusing first on errors that directly impede search engine access.
The detailed reports let you drill down into specific issue categories. Clicking on any issue type opens a list of affected URLs with specific details. This granular view is essential for developers who need to implement fixes, providing exact page-level information rather than just aggregate summaries. Correlating these findings with buyer intent keywords helps prioritize fixes for commercially valuable pages.
Interpreting Search Intent Through Crawl Data
The AWT crawler helps identify pages that may not be aligned with search intent by analyzing content structure, heading hierarchy, and meta information. When pages have well-optimized technical elements but still underperform, the crawl data can reveal whether content matches what users are actually searching for.
By examining which pages rank for which queries and comparing that to your site's crawl data, you can identify opportunities to better align your content with user intent. The crawler identifies missing elements that signal topical relevance to search engines, while the keyword tracking features show what queries you're currently ranking for.
Understanding search intent is crucial for turning crawl data into content improvements that actually rank. Combining crawl findings with competitor keywords analysis reveals where you can capture search traffic from rivals.
Common Technical SEO Issues Detected
Crawlability issues include broken internal links, redirect chains, loop redirects, and pages blocked from indexing by robots.txt or meta tags. These problems prevent search engines from properly accessing your content, essentially making pages invisible to Google regardless of their content quality.
On-page SEO issues detected include missing or duplicate meta titles and descriptions, missing heading hierarchy, thin content, duplicate content across pages, and improper use of canonical tags. While these don't necessarily block crawling, they can significantly impact how well pages rank.
Performance-related issues flagged include slow-loading pages, large page sizes, render-blocking resources, and mobile usability problems. Security issues such as mixed content warnings or missing HTTPS implementation also appear in crawl results, as these factors affect both user trust and search rankings.
Using a competitor keywords analysis alongside crawl data helps identify content gaps that may be affecting your search performance. Our guide on how to disavow backlinks also helps address toxic link issues that crawlers may flag.
| Category | Issue Type | Impact | Priority |
|---|---|---|---|
| Crawlability | Broken Internal Links | Pages unreachable by crawlers | Critical |
| Crawlability | Redirect Chains | Wastes crawl budget | High |
| On-Page | Missing Meta Tags | Poor SEO signals | Medium |
| On-Page | Duplicate Content | Diluted ranking signals | Medium |
| Performance | Slow Page Speed | Poor user experience | High |
| Performance | Core Web Vitals | Ranking factor impact | High |
| Security | Missing HTTPS | Trust and ranking impact | Critical |
Prioritizing and Implementing Fixes
Effective technical SEO work requires strategic prioritization. Start by addressing issues that affect the most critical pages--your homepage, main category pages, and highest-converting landing pages. Even if these pages have fewer total issues, fixing them first ensures your most important traffic sources aren't being held back by technical problems.
For each issue category, consider the effort required versus the expected impact on search performance. Critical errors like broken internal links or indexing blocks should typically be addressed immediately. Performance improvements may require more development effort but can compound over time as faster pages accumulate ranking signals.
Create an action plan that sequences fixes logically. Resolve crawl blocking issues before addressing on-page problems, since fixing title tags on pages that can't be indexed provides no value. Group similar fixes together so developers can address multiple instances efficiently. Set up recurring crawls to verify that fixes have been successfully implemented. Our HARO link building guide complements technical fixes by building domain authority.
Creating an Effective Audit Checklist
Use the AWT crawl results to build a prioritized audit checklist. Start with critical errors affecting high-value pages, then move to warnings on important pages, and finally address issues across the broader site.
Document each issue, its affected pages, recommended fix, and implementation status. This audit trail helps track progress over time and provides valuable data for future audits. The export capabilities in AWT make it easy to create shareable checklists that integrate with your project management tools.
Our comprehensive website audit checklist provides a structured approach to documenting and tracking all technical SEO issues systematically. Pair this with our SEO client questionnaire to gather requirements before auditing client sites.
Measuring Impact Over Time
The AWT Website Crawler provides historical data that lets you track technical SEO improvements and correlate them with ranking performance. Each crawl saves a snapshot of your website's health, building a timeline you can reference to see how specific fixes affected your overall score.
Compare crawl data with Google Search Console's coverage reports to validate findings and identify discrepancies. Cross-referencing multiple sources provides a more complete picture of your site's technical health than any single tool can provide.
Use the crawler as part of an ongoing monitoring strategy rather than a one-time audit. Schedule recurring crawls at appropriate intervals--weekly for frequently updated sites, monthly for more static sites. Each new crawl provides fresh data while confirming that previous fixes remain in place.
Combining AWT data with keyword research tools helps correlate technical improvements with actual ranking gains. Understanding whether SEO is worth it for your business helps justify ongoing technical audit investments.
Advanced Crawler Features
Beyond basic crawl analysis, the AWT Website Crawler offers features for deeper technical investigation. Internal linking analysis reveals how pages connect, identifying opportunities to distribute link equity effectively and ensure important pages receive adequate internal links. This analysis can reveal orphaned pages that have no internal links pointing to them.
Competitor comparison features let you benchmark your technical SEO against competing websites. By adding competitor domains, you can see how your Health Score and issue counts compare, identifying areas where you may be falling behind technically.
The crawler can also help identify content gaps by analyzing what pages exist on your site versus what competitors rank for. Combined with organic keyword data from AWT, you can identify pages you should create to compete for valuable search terms.
For comprehensive competitor keyword analysis, use crawl data alongside AWT's competitive research features. Understanding edge SEO techniques can also provide advanced optimization opportunities beyond basic crawl fixes.
Integrating Crawl Data into Your SEO Workflow
For maximum effectiveness, integrate AWT Website Crawler data into your regular SEO processes. Include crawl status updates in weekly or monthly SEO reporting. Share relevant issue reports with development teams using exported spreadsheets or integrated project management tools.
Use the crawl data to inform content creation and optimization projects. When planning new content, review crawl reports to understand your site's existing coverage and identify internal linking opportunities. When optimizing existing pages, check the crawl data to ensure on-page elements are properly configured.
Finally, use the crawler to validate changes before and after major site updates. Run a crawl before launching a site redesign or migration to establish a baseline. After implementing changes, run another crawl to verify that no new issues were introduced.
Our technical SEO services team can help you establish systematic crawl monitoring and integrate findings into your ongoing optimization workflow. Understanding SEO vs SEM helps position crawl audits within your broader search marketing strategy.
Frequently Asked Questions
170+ SEO Checks
Comprehensive analysis covering crawlability, indexing, page speed, mobile-friendliness, and on-page elements.
Actionable Recommendations
Each issue includes clear explanations and specific guidance on how to resolve it, not just error labels.
Free Access
Enterprise-grade crawl technology available without subscription costs for verified website owners.
Historical Tracking
Monitor improvements over time with saved crawl snapshots and health score trends.