Users appreciate the plugin for its simplicity, ease of use, and effectiveness in adding scripts to the header and footer of WordPress sites. Many commend it for not slowing down their sites and for being a reliable tool even for those with limited technical skills. Positive experiences include the plugin's seamless functionality, syntax highlighting, and code placement accuracy. However, some users noted it could improve by reducing excessive CSS and JavaScript, which occasionally slow down websites. Despite these minor drawbacks, it remains a highly recommended tool for effortless script insertion.