Oxygen Builder is the best lightweight site builder for WordPress. This visual website builder allows you to design any web design or e-commerce site you can dream up, and it has more design freedom than other WordPress site builders. Due to it's lean code and focus on web design semantics, Oxygen Builder can generate faster loading sites, better PageSpeed & Lighthouse scores, and thus rank higher in search engines. This is the reason this visual site builder has grown in popularity. If you require maximum conversions and a fast load speed from your site, I recommend checking out Oxygen Builder today.