Link Checker
Check if links are accessible, find broken links, and verify URLs from websites or sitemaps.
Check a URL, a list of URLs, or crawl a sitemap.
Every network tool you will reach for.
Focused utilities for ports, IPs, DNS and email. All free, all running from external probes.
Port Checker
Scan any TCP port on any host
DNS Lookup
Resolve domains to IP addresses
Reverse DNS Lookup
Turn IPs back into hostnames
Ping Tool
Test host reachability via ICMP
Speed Test
Measure download, upload, latency
Proxy Check
Detect VPN or proxy usage
Link Checker
Verify if URLs are accessible
HTTP Headers Checker
Inspect response headers
What Is My IP?
Show your current public IP
IP Subnet Calculator
Masks, ranges, CIDR math
IPv4 to IPv6 Converter
Map to IPv4-mapped, 6to4 and compatible formats
ASN Lookup
Find org, ISP and IP ranges by ASN
IP Blacklist Checker
Check if IP is spam-listed
IPv6 Compatibility Checker
Check AAAA records and IPv6 reachability
SPF Record Checker
Validate email sender policy
DMARC Validator
Parse policy, alignment and reporting config
DKIM Checker
Verify DKIM signatures
Email Header Analyzer
Trace email origin and routing
When managing a website, broken links can damage your credibility, hurt user experience, and negatively impact your search engine rankings. A link checker tool helps you identify dead links, redirects, and URL errors across your web pages quickly and efficiently. Whether you're running a small blog or managing a large enterprise website, validating your links regularly ensures visitors always reach their intended destination and search engines can properly crawl your content.
Our online link validation service scans your web pages automatically, detecting issues that could be costing you traffic and conversions. Instead of manually clicking through hundreds of URLs, you can verify link integrity across your entire site in minutes, saving countless hours of tedious work.
What is a Link Checker Tool?
A link checker tool is a web-based utility that crawls through your website's pages to identify broken links, HTTP errors, and redirect chains. It examines both internal links (pointing to pages on your own domain) and external links (pointing to other websites), reporting their HTTP status codes and accessibility. The tool simulates how search engine bots navigate your site, flagging any URLs that return 404 errors, 500 server errors, or timeout issues.
These validation tools work by sending HTTP requests to each URL found on your pages and analyzing the responses. A healthy link returns a 200 status code, while broken links typically show 404 (not found) or 410 (gone) responses. The checker also identifies redirect chains that slow down page loading and dilute link equity.
Why Use a Link Validation Service?
Maintaining functional links across your website delivers multiple benefits for both users and search engine optimization:
- Improved User Experience: Visitors can navigate your site without encountering frustrating dead ends that make them leave
- Better SEO Performance: Search engines penalize sites with numerous broken links, viewing them as poorly maintained
- Professional Credibility: Working links demonstrate attention to detail and build trust with your audience
- Efficient Maintenance: Automated scanning saves hours compared to manual link checking
- Crawl Budget Optimization: Eliminating broken links helps search bots crawl your important pages more efficiently
- Conversion Protection: Ensure affiliate links, product pages, and call-to-action buttons always function properly
How Link Checking Works
Using a URL validation tool is straightforward. Simply enter your website's homepage URL, and the crawler begins scanning. The tool follows every link it discovers, creating a comprehensive map of your site's link structure. Within minutes, you'll receive a detailed report showing:
- Total links scanned (internal and external)
- Broken links with specific error codes
- Redirect chains requiring attention
- Slow-loading URLs that timeout
- The exact page location where each problematic link appears
Advanced link checkers also monitor HTTPS certificate issues, mixed content warnings, and anchor text analysis. Some tools offer scheduled scans that automatically check your links weekly or monthly, alerting you immediately when new issues arise.
Common Use Cases for Link Validation
Website owners and digital marketers rely on link checking in several scenarios. Before launching a redesigned website, scanning ensures no URLs were accidentally broken during migration. Content teams use these tools after publishing new articles to verify all references and citations work correctly. E-commerce managers regularly validate product links and checkout flows to prevent lost sales from broken pages.
SEO professionals incorporate link checking into their regular site audits, knowing that clean link profiles contribute to higher rankings. When acquiring or merging websites, technical teams scan for broken links that need immediate fixes. Even bloggers benefit from periodic checks to maintain their site's quality as external websites change or remove content.
Get Started with Free Link Checking
Don't let broken links undermine your website's performance and reputation. Our link checker tool provides instant analysis of your site's URL health, helping you identify and fix issues before they impact your visitors or search rankings. Regular link validation is essential maintenance that protects your hard-earned traffic and ensures every visitor has a seamless browsing experience. Start scanning your website today to discover hidden issues and maintain a professional, fully-functional online presence.