From Bibliometrics to Altmetrics: A Changing Scholarly Landscape
Great list of general resources, organisations, support and scholarly peer networks. Gives an excellent overview of bibliometrics and altmetrics
Good overview of impact factors and what's broken with them
An excellent overview of Eigenfactor metrics
Four Great Reasons to Stop Caring So Much about the H-Index
Thoughts and problems with using the H-Index to measure output
The basics of Altmetrics from the Cambridge Research Office
Enter your ORCiD and get your Altmetrics score