Webometrics, QS, and THE Times Higher Education published their 2022 World Ranking for Universities.

Webometrics World University Ranking

The most popular ranking system in Sri Lanka is Webometrics ranking as it lists all universities with visible websites. They give their ranking on web impact and research impact (based on Google Sholar data and Scopus research publication data)

Webometrics 2021 July Ranking

Best five Universities in Sri Lanka:

1	1592	University of Colombo		1805	1190	2506
2	1758	University of Peradeniya		5227	1090	1830
3	2204	University of Ruhuna		8267	1930	1727
4	2220	University of Sri Jayewardenepura		3486	1530	3231
5	2394	University of Moratuwa		5043	1852	2890
6	2557	University of Kelaniya

Best 16 universities:

QS Asia University Rankings 2021

QS has only ranked five Universities in Sri Lanka: Peradeniya, Colombo, Moratuwa, Jaffna, and Sri Jayewardenepura. Other Universities have not been included as they are below their threshold level (maybe due to being too specialized in their subject areas or they have less research output).

THE higher education ranking 2022

They have only ranked the University of Peradeniya and the University of Colombo for this ranking. However, it is interesting to note that they have place SLIIT as a reporter status.

THE Impact Ranking

THE ranking team has introduced this ranking based on the Sustainable Development Goals of the United Nations.

Only three Universities in Sri Lanka got this ranking: Peradeniya, Colombo, and Sri Jayewardneprua.