Free SEO Tools

https://www.google.com/insights/#/?modal_active=none&insights-tabs_active=categoryinsights
https://www.google.com/trends/correlate/
https://adwords.google.com/KeywordPlanner
https://www.google.com/trends/

Show local business info with location extensions

Rich Snippet Reviews for Local Businesses

How To Show Google+ Reviews In Local, Organic & PPC

SEO & The Zero Moment of Truth

Make Your Page Discoverable

ranking boost

Google’s AMP Top Stories Now Live In Mobile Search Results

Free SEO Tools

• Free Link Building Tool (requires subscription to my newsletter)
  Input a domain and find the websites that it links out to.
• Bulk Checker for Title Pixel Widths
  It is a common fallacy that Google has a character limit for title tags. Really, there’s a pixel width limit. Use this tool to check the pixel lengths of your title tags in bulk
• HREFLANG Sitemap Generator
  Use this Python script to add HREFLANG information to your XML Sitemap; The script is especially useful when the alternate country pages share the same URL structure.
• Google Search Analytics to MySQL
  Use this Python script automatically dump keywords from Google’s Search Analytics report into a SQL database and beat the 90-day data limit.