The SEO Check by seobility GmbH is a free Android app that allows users to analyze and audit a website from an on-site SEO perspective. It offers valuable insights to improve search engine optimization and help achieve a sustainable SEO success. The app analyzes all relevant criteria and provides tips to optimize the website for better search engine rankings.

The app checks various aspects of a website, including meta-information, page quality, page headings, inbound links, external factors, and server configuration. The analysis includes checking the page title for length and content, checking for correct specification of meta description and robots.txt, analyzing the usage and frequency of highlighted text (bold and strong tags), checking for good image alternative text (alt attribute), identifying the well-optimized keywords, and much more. The app also checks the server configuration, including the loading time, size of HTML, and amount of CSS and JavaScript files.

Overall, the SEO Check is an excellent tool for website owners and SEO professionals who want to improve their website's SEO. The app is easy to use, offers a comprehensive analysis, and provides valuable insights to optimize a website for better search engine rankings.