There are international compilations based on data derived only from the Internet, e.g. information from websites or bibliometric data from well-known sources such as the Web of Science databases, Scopus, or Google Scholar. These include, etc.: University Ranking by Academic Performance (URAP), CWTS Leiden Ranking, or the Ranking Web of Universities (Webometrics).
In the 2018/2019 edition, 3000 universities were included. The universities with the largest number of publications were selected to finally rank TOP 2500 of them. It is estimated that this is about 12% of all universities in the world. In 2018, 50 Polish universities were classified. Lodz University of Technology was classified at the 15th place in Poland, 405th place in Europe and 994th place in the world. In 2017 TUL was classified respectively at the 18th, 446th and 964th places.
CWTS Leiden Ranking
It is based solely on bibliometric data contained in the Web of Science database. In its latest edition, 963 universities from 56 countries were included, based on the number of publications from 2014-2017. 24 Polish universities, including Lodz University of Technology (place 723), were classified in the ranking.
Ranking Web of Universities (Webometrics)
It was established in 2004. It is the world's largest ranking, with all universities, not just the best ones, classified in it. It takes into account the presence and recognition of universities in the web. The aim is to promote open access to information (including scientific publications) and to encourage universities and researchers to ensure that their online presence reflects what they actually do.The Webometrics Ranking is an initiative of the Cybermetrics Lab, a research group belonging to the Consejo Superior de Investigaciones Científicas (Supreme Council of Research, CSIC), which is the largest public research unit in Spain. Lodz University of Technology was classified in this ranking at 2194th place.