SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Dynamic Yield - Personalization & customer experience management
Screaming Frog SEO Spider - The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
Optimizely - A/B testing you'll actually use.
Pulno - SEO Audit and Website Analysis. Pull up your SEO.
AB Tasty - AB Tasty is an all-inclusive platform for conversion rate optimization, personalization, customer activation, and testing.