1. Google Cloud Computing, Hosting Services & APIs—Google cloud.
https://cloud.google.com/
2. Alexa: The top 500 Sites on the Web (2018).
https://www.alexa.com/topsites
3. Barrett, C.: Filter Lists (2018).
https://filterlists.com/
4. Brave Software Inc.: Brave Browser: Secure, Fast and Private Web Browser with Adblocker.
https://brave.com/
5. Butkiewicz, M., Madhyastha, H.V., Sekar, V.: Measurements, metrics and implications. In: Proceedings of IMC, Understanding Website Complexity (2011)