Apps similar to Netpeak Spider include SiteOne Crawler, which is free and open source. Other options are Screaming Frog SEO Spider, Seobility, Xenu's Link Sleuth and TechSEO360. You're spoiled for choice with SEO Tools like Netpeak Spider: we list more than 50 alternatives for the web, Windows, Mac, Linux and self-hosting.
A free in-depth website analyzer providing audits of security, performance, SEO, accessibility and other technical aspects. Available as a desktop application for Windows/macOS/Linux and as a CLI tool for advanced users and CI/CD processes. It also includes an offline web page exporter.
Czechia
EU
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.
United Kingdom
Automated SEO platform providing comprehensive site auditing, on-page and technical optimization checks, keyword rank and SERP tracking, backlink profile analysis, competitor benchmarking, duplicate content detection, and actionable recommendations for all site sizes.
GermanyEU
Xenus Link Sleuth checks Web sites for broken links. Link verification is done on "normal" links, images, frames, plug-ins, backgrounds, local image maps, style sheets, scripts and java applets.
GermanyEU
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.
DenmarkEU
Sitebulb is an extremely powerful website auditor with the world's most insightful reporting system, winner of "Best Search Software Tool" at the 2018 UK Search Awards and the US Search Awards.
United Kingdom
Pulno is a website audit tool which checks for SEO related issues and sends comprehensible tips to improve on-page SEO with page speed optimizer (CSS and image file optimization), meta tags and unique text analyzer.
Presenting Visual SEO Studio, a desktop SEO Software with an innovative visual approach to Search Engine Optimization. Free version available. Complex SEO tasks made easy.
The Audisto Crawler is a website crawling tool with a strong focus on SEO. It automatically detects and analyses all URLs from a website and points out optimization potential.
GermanyEU
Transform your website with an SEO audit tool providing insights like search engine bots. It finds broken links, duplicate content, and more, with step-by-step fix guidance.
Belarus
Sitechecker is a website SEO audit tool with detailed SEO reports. Sitechecker enables users to conduct a comprehensive website audit and record technical mistakes for the whole domain and specific URLs.
Ukraine
SEOnaut is an open source SEO auditing tool that checks your website for any issues that might be affecting your search engine rankings. It crawls your site and gives you a report with a list of any problems it finds, organised by how important they are to fix.
