These services are legitimate, offer rotating catalogs, and are often supported by ads:

If clicking "Play" opens three new tabs with advertisements, the site is likely a phishing hub.

If you found a specific movie listed on quitt.net and want to watch it legally:

Privacy Settings
We use cookies to enhance your experience while using our website. If you are using our Services via a browser you can restrict, block or remove cookies through your web browser settings. We also use content and scripts from third parties that may use tracking technologies. You can selectively provide your consent below to allow such third party embeds. For complete information about the cookies we use, data we collect and how we process them, please check our Privacy Policy
Youtube
Consent to display content from - Youtube
Vimeo
Consent to display content from - Vimeo
Google Maps
Consent to display content from - Google
Save