Sensors is an international peer-reviewed open access journal on the science and technology of sensors. It is published semi-monthly online by MDPI. 2020 is the 20th anniversary of Sensors. Sensors has published more than 28,000 papers from more than 85,000 authors. It is indexed in EI, Scopus, PubMed, and Web of Science, and has an Impact Factor of 3.275 (2019). It ranks Q1 in JCR category of 'Instruments & Instrumentation'. The CiteScore 2019 of Sensors is 5.0. Manuscripts are peer-reviewed and a first decision provided to authors approximately 15 days after submission. acceptance to publication is undertaken in 2.6 days.