Find below a list of quality metrics:

Tag Label Description Metadata Category Data format
cataccessabilityfreq Open Access Defined set of fields as requirement: – description (notes in database): 1 if contains some text, 0 null/empty – not a broken link: 1 if not broken – author email/maintainer_email (only in CKAN): 1 if present sum(descrtiption && not_broken && author count, _id, tot_count Quality JSON
catcoremetadatafreq Complete core metadata per catalogue Average across a defined set of fields, eg License,Author/Maintainer (maintainer field exists only in CKAN), Organisation, Date released or Date updated count, _id, tot_count Quality JSON
catmachinereadformatfreq Machine-readable in % per catalogue total count of MR datasets/total count of datasets count, _id, tot_count Quality JSON
catnonproprformatfreq Open formats per catalogue total count of distributions with a non-proprietary format/total count of distributions with a format count, _id, tot_count Quality JSON
catopenlicfreq Open licences in % per catalogue total count of open licences / total count of distributions with a licence licenses[], count, _id, tot_count Quality JSON
catsitepagerank Discoverability page ranking, based on google ranking / alexa ranking pagerank[], _id Quality JSON
edcoremetadatafreq Open metadata Average across a defined set of fields, eg License,Author/Maintainer (maintainer field exists only in CKAN), Organisation, Date released or Date updated freq Quality JSON
edmachinereadformatfreq Machine-readable in % total count of MR datasets / total count of datasets freq Quality JSON
ednonproprformatfreq Open formats total count of distributions with a non-proprietary format/total count of distributions with a format freq Quality JSON
edopenlicfreq Open licences in % total count of open licences / total count of distributions with a licence licenses[] Quality JSON