1. Armstrong, M. (2021). How Many Websites Are There? https://www.statista.com/chart/19058/number-of-websites-online/, (Erişim tarihi: 06.08.2021).
2. Barbera, V. (2012). 8 SEO Stats That Are Hard to Ignore. https://www.imforza.com/blog/8-seo-stats-that-are-hard-to-ignore/, (Erişim tarihi: 15.08.2021).
3. Barry, C., & M. Lardner. (2011). A Study of First Click Behaviour and User Interaction on the Google SERP. Ss. 89-99 içinde Information Systems Development. New York, NY: Springer New York.
4. Chrome, (2018). Lighthouse Overview. https://developer.chrome.com/docs/lighthouse/overview/, (Erişim tarihi: 20.11.2022)
5. Clement, J. (2022). Worldwide Web Traffic Distribution by Source 2019. Statista.