SEO Master is a free Chrome extension developed by imyfonedev that offers a wide range of SEO tools and features. With just a few clicks, users can access key SEO metrics of any website or page they are browsing.

One of the main features of SEO Master is its ability to provide SEO statistics and analysis. Users can view the total number of pages indexed by major search engines such as Google, Bing, Yahoo, Yandex, and Baidu. Additionally, the extension provides information on the geo IP location of the website.

SEO Master also offers domain level metrics, including Google Backlinks, SEMrush Backlinks/Rank, and Moz Domain Authority. Users can easily access the Google Cache date and metrics from Archive's Wayback Machine.

In terms of on-page SEO, SEO Master provides a comprehensive report on the website's page information. This includes the canonical URL and its length, HTML meta tags (title, description, and keywords) and their lengths, headers and sub-headers structure of content, outgoing internal/external links with a simple CSV export, images and the number of images without ALT attributes, and social engagement metrics such as Facebook likes and Pinterest pin counts.

The extension also includes a link analysis feature that identifies broken links and provides a SEMrush report on backlinks. Additionally, users can access traffic reports from SemRush for quick traffic analysis.

Finally, SEO Master recommends efficient SEO tools for backlink analysis, keyword research, on-page SEO, and technical SEO.

SEO Master is easy to install and use. Simply click the "Add to Chrome" button in the Chrome Web Store and then click "Add Extension" in the pop-up window. The extension does not require users to sign up for an account or activate it.

Overall, SEO Master is a comprehensive SEO Chrome extension that provides users with valuable insights and analysis to improve their website's SEO performance.