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Optimizely is the market leader in digital experience optimization, helping digital leaders and Fortune 100 companies alike optimize their digital products, commerce, and campaigns with a fully featured experimentation platform. | The most powerful landing page platform on the planet. |
Visual editor for client-side A/B testing; Server-side SDKs for Full Stack experimentation; Mobile app optimization; Feature flags and controlled rollouts; Multivariate testing; Powerful Reporting and Results; Personalization campaigns; Behavioral Targeting; Advanced Statistical Modeling; Automated traffic allocation; REST API; Raw data export; Analytics integrations | Lead-Gen Forms;
Performance Tracking;
100+ Templates;
Fullscreen Background Images;
Edit your pages in seconds;
Simple, powerful reporting;
Easy-to-use graphical interface;
HTML/JS editor for experts;
Super Simple User Interface;
100% Design Freedom (no forced grid);
Landing Page Templates;
Lead Capture Forms;
Easy Custom URL Setup;
Thousands of Widgets |
Statistics | |
Stacks 3.9K | Stacks 68 |
Followers 879 | Followers 43 |
Votes 100 | Votes 15 |
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closeheat lets you develop landing pages faster. Use our beautiful landing page templates or import your own HTML/CSS. Do small changes in the browser - publish them instantly.

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AI Roast My Website - Get your site roasted by AI for real feedback! Find high-converting landing page tips, and get actionable feedback for your website.

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Whether it’s a custom-tailored message at checkout or a completely revamped homepage,it shows you which site experiences engage and delight your customers, and gives you the solutions you need to deliver them.