The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps from an SEO perspective.

The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps from an SEO perspective.

TrafficLight intercepts and scans web traffic before it even reaches the browser, effectively blocking disguised or stealth attacks before it's too late. It works with virtually any browser, and even keeps the look, feel and functionality consistent if you switch browsers.




LinkChecker is a free, GPL licensed website validator. LinkChecker checks links in web documents or full websites. Check websites and HTML documents for broken links.

Safeguard against malicious URLs by scanning your feed using Norton Safe Web. Protect your friends by advising them of malicious URLs you might have in your feed.


Free online broken link checker up to 3,000 web-pages (and unlimited number of links within those pages!). Will pinpoint broken link location in your HTML, so finding and fixing those will be like a breeze.

Check for broken links on any website. Links that don't work damage your search rankings and provide for a poor user experience. No downloads - just enter the name (URL) of the website you wish to check.

TechSEO360 essentially offers crawling of huge websites, collects and shows just about any technical SEO related information you want and can create all types of sitemaps including XML with hreflang information, image, video and HTML/CSS/Javascript.




FandangoSEO is an SEO Cloud tool that consists of a Crawler, a Log Monitoring, and a Competitive Analysis Tool. It provides valuable reports to master SEO strategies, improve the crawl budget, and increase the mobile and desktop traffic.




Online heuristic URL scanning and malware detection. Scan websites for malware, exploits and other infections with quttera detection engine to check if the site is safe to browse. Check website for malicious pages and online threats.