One of the determining factors of the quality of Web search engines is the size of their index. In our ISSI 2015 paper, we present the results of a longitudinal analysis of estimating the size of Google and Bing’s indexes over a nine-year period. This is the companion Web page for this ISSI 2015 paper.
This is the companion Web page for our work on estimating search index sizes.
If you want to use this data, please cite the following paper: