Apache is a free and open-source cross-platform web server software.
Elementor is a website builder platform for professionals on WordPress.
PHP is a general-purpose scripting language used for web development.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
Slider Revolution is a flexible and highly customisable slider.