Domain Category Type Num. Articles Num. Wikipedia Pages Importance
books.google.com ngo data 14620 9093 9.12
web.archive.org ngo data 9259 7776 8.96
archive.org ngo data 5084 4139 8.33
www.google.com ngo data 3218 2318 7.75
www.wsc.nmbe.ch ngo data 2209 2271 7.73
www.amazon.com ngo data 2456 1834 7.51
dx.doi.org ngo data 1838 1765 7.48
books.google.co.uk ngo data 2487 1733 7.46
www.jstor.org ngo articles 1588 1413 7.25
www.britannica.com ngo data 1518 1294 7.17
www.findagrave.com ngo data 1415 1246 7.13
www.routesonline.com ngo data 2225 1223 7.11
www.biodiversitylibrary.org ngo data 1173 1169 7.06
censusindia.gov.in ngo data 229 1123 7.02
www.historyofparliamentonline.org ngo data 1309 1101 7.0
id.biodiversity.org.au ngo data 1408 1095 7.0
www.alexa.com ngo data 1201 1089 6.99
www.iucnredlist.org ngo data 736 869 6.77
www.oxforddnb.com ngo data 830 861 6.76
www.worldcat.org ngo data 1046 666 6.5
www.rnz.co.nz ngo data 1013 627 6.43
www.who.int ngo data 961 603 6.4
austriancharts.at ngo local 258 564 6.34
www.bac-lac.gc.ca ngo data 599 546 6.3
designatedsites.naturalengland.org.uk ngo articles 1231 533 6.28