Yakaferci is described as 'The SEO audit of your web site is the most important step before setting up an SEO strategy that works'. There are four alternatives to Yakaferci for Online / Web-based, Firefox and Google Chrome. The best alternative is Google Lighthouse, which is both free and Open Source. Other great apps like Yakaferci are Google Search Console (Free), Internet Indexer (Free) and Screpy (Paid).
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.
Google Webmaster Tools provides you with detailed reports about your pages' visibility on Google. See how Google crawls and indexes your site and learn about specific problems we're having accessing it.
Screpy is an AI-based web analysis tool that can analyze all pages of your websites in one dashboard and monitor them with your team. It's powered by Lighthouse and it also includes some different analysis tools (SEO, SERP, W3C, Uptime, etc).