http://magma.ua4vjlx72wv5crhkificaeysp62hizhazipfshsdvs6jxqvhtkpllcad.onion/guide/data-analysis.html
The dots depict one or more
measurements found in the OONI data. The colors of the dots ( gray , red , darkgreen , coral , and cyan ) represent the anomaly_type found in the
measurement for that date (on the x-axis). The anomaly_type depicts the
blocking types found in OONI data.