Sites and apps similar to VoltFound include SiteOne Crawler, which is free and open source. Other options are Google Lighthouse, Semrush, ahrefs and Screaming Frog SEO Spider. In total there are seven Website Audit Tools like VoltFound for Windows, Linux and Mac.
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
Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO and more.
United States
Comprehensive digital marketing platform providing over 55 tools for SEO, PPC, SMM, and campaign management. Features include keyword research, backlink analysis, AI-driven content creation, SERP tracking, and competitor analysis. Ideal for agencies, streamlining processes and automating reporting.
United States
Ahrefs is a complete SEO toolset offering functionalities such as keyword research, link building, and website analysis. It provides free tools to improve SEO performance for both beginners and experts.
United Kingdom
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
PageSpeed Insights (PSI) reports on the performance of a page on both mobile and desktop devices, and provides suggestions on how that page may be improved.
United States
Netpeak Spider is an SEO crawler for a day-to-day SEO audit, fast issue check, comprehensive analysis, and website scraping.
Ukraine
