Question: Is there a platform that provides a large database of keywords and backlinks to inform my marketing strategy?

If you need a powerful platform with a huge database of keywords and backlinks to help guide your marketing decisions, Semrush is a top contender. With more than 55 tools covering SEO, content marketing, market research, advertising and social media, Semrush has access to a gargantuan database, including 25 billion keywords, 43 trillion backlinks, 808 million domain profiles and 140 geo databases. That's a lot of data for freelancers and big businesses.

Another serious contender is AlphaRank, which uses machine learning and proprietary algorithms to offer detailed keyword and competitive analysis. It's got a database of more than 100 million keywords and the ability to monitor keyword ranking in real time. It's geared for enterprise companies, agencies, bloggers and freelancers who want to increase traffic and get into the top 10.

If you're looking for a tool that's geared specifically for SEO optimization, seospark has a big database with 35 billion keyword metrics, 10 million worldwide proxies and 15 billion crawled SERPs. It can help you find content ideas, optimize website architecture and track daily ranks, so it's a good tool to help you refine your content and get your website to rank better.

Last, Moz offers a suite of SEO tools that can be used by individuals and large businesses. With tools for keyword research, competitive analysis, link research, rank tracking and domain analysis, Moz can help you improve your online presence and measure results. It offers a range of free tools and a 30-day free trial to get you started.