Writing & Editing
hemingwayapp.com – A free and awesome web utility to help you improve anything you write. Quickly see word count, reading level, passive or complex sentences to fix, and more.
styleguide.mailchimp.com – The MailChimp style guide is thorough and actually fun to read. They want you to use and adapt it (available under a Creative Commons license).
edx.org – Online courses from the world’s best universities and institutions, founded by Harvard and MIT. Fees vary to take courses to earn a certificate, but most classes can be take for FREE if you enroll in the audit track!
SEO & Web Strategy
blog.alexa.com – Getting data from Alexa requires a a paid subscription, but their free blog is full of great advice for SEO, web and content strategy.
Think with Google – Data and insights from Google that they want us to know. As they say, “Put Google research and insight behind your thinking.” Yes, please. Highly recommended for valuable user-focused insights on consumer preferences and technology trends.