Ahrefs is a toolset for SEO & marketing running on Big Data. Its features are backlink checking, competitor analysis, keyword research and more. Ahrefs helps you to learn why your competitors are ranking so high and what you need to do to outrank them.
The Screaming Frog SEO Spider is a website crawler, that allows you to crawl websites’ URLs and fetch key onsite elements to analyse onpage SEO.
The website ranking software for business, agencies and SEO specialist. Online SEO tool for marketing strategy: monitor, test, analyze