TRANSPARENT RANKING: Portal of Journals by Google Scholar
13th Edition (February 2022)
During the last months, we realized the indexing of records of several open access repositories by Google Scholar is not as complete as previously without a clear reason. From the experience of a few cases, it looks that GS penalizes error in the metadata descriptions, so it is important to the affected repositories to check their level of indexing and to try to identify potential problems.
Please, consider the following Indexing GS guidelines
https://scholar.google.com/intl/en/scholar/inclusion.html
https://www.or2015.net/wp-content/uploads/2015/06/or-2015-anurag-google-scholar.pdf
and the following material: Exposing Repository Content to Google Scholar
A few suggestions for improving the web visibility of the contents of your institutional OA repository
"Altmetrics of the Open Access Institutional Repositories: A Webometrics Approach"
As a service for the OA community we are providing five lists of repositories (all (institutional+subject), institutional, data, portals, and CRIS) with the raw numbers of records in GS for their web domains (site:xxx.yyy.zz excluding citations and patents) ranked by decreasing number of items as collected during the first week of FEBRUARY 2022. The list is still incomplete as we are still adding new repositories.
As usual, you can contact our editor (Isidro F. Aguillo) for any comment or suggestion.
This ranking has been funded by the CSIC Intramural 201710E077
TRANSPARENT RANKINGS |
||||
ALL REPOSITORIES | INSTITUTIONAL REPOSITORIES | PORTALS OF JOURNALS | CRIS | DATA REPOSITORIES |
RANK | PORTAL OF JOURNALS | ITEMS |
---|---|---|
1 | China National Knowledge Infrastructure | 26600000 |
2 | eLibrary.ru Scientific Electronic Library | 8530000 |
3 | Japan Science and Technology Information Aggregator Electronic J-STAGE | 4690000 |
4 | ResearchGate | 4190000 |
5 | Cyberleninka | 2580000 |
6 | Academia.edu | 2000000 |
7 | CORE | 1310000 |
8 | DIALNET | 928000 |
9 | Scientific Electronic Library Online Brazil SciELO Brazil | 697000 |
10 | SID Scientific Information Database | 606000 |
11 | PERSEE Périodiques Scientifiques en Édition Électronique | 563000 |
12 | DiVA Digitala Vetenskapliga Arkivet Academic Archive On-line | 550000 |
13 | ACM Digital Library | 508000 |
14 | DergiPark JournalPark | 497000 |
15 | Social Science Research Network | 480000 |
16 | Project MUSE | 360000 |
17 | Biblioteka Nauki / Science Library Poland | 325000 |
18 | HAL Hyper Article en Ligne | 287000 |
19 | RedALyC Red de Revistas Científicas de América Latina y el Caribe, España y Portugal | 280000 |
19 | OpenEdition Journals (Revues.org) | 280000 |
21 | Thèses Fr | 275000 |
22 | Portal of scientific journals of Croatia Hrčak | 234000 |
23 | Theseus Digital collections of Finnish Universities of Applied Sciences | 214000 |
24 | RACO Revistes Catalanes amb Accés Obert | 167000 |
25 | African Journals Online | 148000 |
26 | Scientific Electronic Library Online Mexico SciELO México | 121000 |
27 | National Bibliometric Tool | 116000 |
28 | Vernadsky National Library of Ukraine Digital Journals | 112000 |
29 | KoreaMed Synapse | 109000 |
30 | Research Square | 98400 |
31 | EThOS E-Theses Online British Library | 76500 |
32 | Scientific Electronic Library Online Chile SciELO Chile | 76100 |
33 | Scientific Electronic Library Online Colombia SciELO Colombia | 74800 |
34 | Thèses en Ligne TEL | 74100 |
35 | Érudit Consortium interuniversitaire | 72500 |
36 | Portal de Revistas da Universidade de São Paulo | 63900 |
37 | OAPEN | 62400 |
38 | Alicia Repositorio Nacional Digital de Ciencia, Tecnología e Innovación | 54300 |
39 | OSF | 52300 |
40 | Open Access Theses and Dissertations | 51400 |
41 | Electronic Theses Repository National and University Library in Zagreb | 47400 |
42 | Scientific Electronic Library Online Cuba SciELO Cuba | 46800 |
43 | National Institute of Science Communication and Information Resources Online Periodical Repository | 46500 |
44 | NARCIS | 43600 |
45 | Repositorios Latinoamericanos | 42500 |
46 | Registro Nacional de Trabajos de Investigación RENATI | 42300 |
47 | I-Revues | 39400 |
48 | Finnish Scholarly Journals Online | 39300 |
49 | Scientific Electronic Library Online España SciELO España | 38700 |
50 | Revues et Congrès INIST | 38000 |
50 | PePSIC Portal de Periódicos Eletrônicos em Psicologia | 38000 |
52 | Repositórios Científicos de Acesso Aberto de Portugal | 36900 |
53 | Skemman Repository Consortium Iceland Universities | 35900 |
54 | doiSerbia | 32200 |
55 | Bangladesh Journals Online | 30500 |
56 | White Rose University Consortium | 28900 |
57 | Portal de Revistas de Acceso Abierto de la Universidad Nacional de Colombia | 28200 |
58 | Revistas Científicas del CSIC | 28100 |
59 | Repositório Comum | 28000 |
60 | SciELO Public Health | 27000 |
61 | Reseau des Bibliotheques de Suisse Occidentale Bibliotheque Numerique | 26200 |
62 | Revistas Científicas de la Universidad de Murcia | 25900 |
63 | SHAREOK University of Oklahoma Oklahoma State University University of Central Oklahoma | 25800 |
64 | Nepal Journals Online | 24900 |
65 | Revistas UNAM | 23200 |
66 | Repozytorium Cyfrowego Instytutów Naukowych / Digital Repository of Scientific Institutions | 22700 |
67 | Biblioteca Digital de Periódicos Universidade Federal do Paraná | 22600 |
67 | INSPIRE High Energy Physics | 22600 |
69 | Scientific Electronic Library Online Costa Rica SciELO Costa Rica | 21900 |
69 | Scientific Electronic Library Online SciELO | 21900 |
71 | UNDIP E-Journal Systems UEJS Portal 3 | 21500 |
72 | Portal de Periódicos da Universidade Federal de Santa Catarina | 21300 |
73 | National Library of Finland DORIA | 21100 |
74 | Portal de Revistas Científicas Universidad Complutense de Madrid | 20300 |
75 | PsyJournals.ru Portal of Russian Psychological Publications | 19000 |
76 | Diposit de la Recerca de Catalunya | 18300 |
76 | Revistas Académicas de la Universidad de Costa Rica | 18300 |
78 | Quality Content of Saxony QUCOSA | 18000 |
79 | Portal de Periódicos da Universidade Federal de Goiás | 17400 |
80 | Revistas Universidad de Navarra | 16400 |
80 | ShodhGanga A Reservoir of Indian Theses | 16400 |
82 | Scientific Electronic Library Online South Africa SciELO South Africa | 16300 |
83 | Tesis Doctorals en Xarxa TDX | 16200 |
84 | Repozytorium CeON Repository Centre for Open Science | 14600 |
85 | Scientific Electronic Library Online Perú SciELO Perú | 14500 |
86 | Preprints.org MDPI | 13900 |
87 | Portal de Revistas de la Pontificia Universidad Católica del Perú | 13800 |
88 | National Aggregator of Open Repositories of Russian Universities | 13700 |
89 | BibLat | 13400 |
90 | Portal de Periódicos Eletrônicos e Científicos Unicamp | 13200 |
91 | Jurnal Universitas Sebelas Maret | 12400 |
92 | Revistas Científicas de la Universitat de Barcelona RCUB | 11900 |
92 | Portal de Revistas Universidad de Granada | 11900 |
94 | Scientific Electronic Library Online Argentina SciELO Argentina | 10700 |
95 | Scientific Periodicals of Ukraine (Ukrainian Research and Academic Network) | 10200 |
96 | Hemeroteca Científica Catalana | 9980 |
97 | Scientific Electronic Library Online Bolivia SciELO Bolivia | 9550 |
98 | National Repository of Dissertations in Serbia NARDuS | 9320 |
99 | Digitale Bibliothek Thueringen | 9310 |
100 | ScienceOpen | 9210 |
101 | Science Journals of National Aviation University Ukraine | 9080 |
102 | Riviste UNIMI Università degli Studi di Milano | 8890 |
103 | Portal electrónico de Revistas Académicas de la Universidad Nacional | 8710 |
104 | SOLAR Scientific Open-access Literature Archive and Repository CNR | 8580 |
105 | FLACSO Andes Repositorio | 8440 |
106 | Revistas Universidad Pontificia Comillas ICAI ICADE | 8300 |
107 | Open Access and Research Data Repository of the University Libraries in Saxony-Anhalt | 8120 |
108 | Repositorio institucional de Revistas de la Universidad Nacional Mayor de San Marcos | 8010 |
109 | Portal de Revistas de la Universidad Nacional de Córdoba | 7950 |
110 | National Science Foundation NSF Public Access Repository | 7930 |
111 | OhioLINK Electronic Thesis and Dissertation Center | 7790 |
112 | Repositorio Español de Ciencia y Tecnología | 7720 |
113 | Revistas Electrónicas de la Pontificia Universidad Javeriana | 7230 |
114 | Sri Lanka Journals Online | 7220 |
115 | Portal de Revistas Académicas Universidad de Puerto Rico | 6860 |
116 | Scientific Electronic Library Online Uruguay SciELO Uruguay | 6770 |
117 | Dolnośląska Biblioteka Cyfrowa DBC Consortium | 6420 |
118 | EUSAL Revistas Universidad de Salamanca | 6410 |
119 | Figshare | 6190 |
120 | Revistas Universidad Distrital Francisco José de Caldas | 6080 |
121 | Revistas Científicas da Universidade Católica Portuguesa | 5670 |
122 | Revistas Universidad Pedagógica Nacional | 5660 |
123 | Portal of Jounals Aristotle University of Thessaloniki | 5440 |
124 | SciELO Ecuador Scientific Electronic Library Online | 5390 |
125 | ÉDUQ Open Archive of the Quebec College Network | 5010 |
125 | Revistes Digitals ReDi Universitat Autònoma de Barcelona | 5010 |
127 | Portal de Revistas Académicas Universidad de Chile | 4810 |
128 | South East Academic Library System Digital Commons | 4800 |
129 | ChinAxiv | 4750 |
130 | Okinawa Repository Integrated Open Access Network | 4580 |
131 | North Carolina Digital Online Collection of Knowledge and Scholarship | 4270 |
132 | Repositorio Digital de CLACSO | 4070 |
133 | PROA-UA Plataforma de Revistas em Open Access Universidade de Aveiro | 3970 |
134 | Scientific Electronic Library Online Paraguay SciELO Paraguay | 3860 |
135 | Portal de Revistas Universidad Pedagógica y Tecnológica de Colombia | 3840 |
136 | Valto Repository FInnish Government | 3730 |
137 | Central American Journals Online | 3680 |
138 | Portal de Revistas de la Universidad Nacional de La Plata | 3600 |
139 | UNDIP E-Journal Systems UEJS Portal 2 | 3540 |
140 | PoliPapers Universitat Politécnica de Valencia | 3370 |
140 | Memoria Digital de Canarias mdC | 3370 |
142 | F1000 Research | 3300 |
143 | POLI-RED Revistas Digitales Politécnicas | 3280 |
144 | Publicaciones Federación Nacional de Cultivadores de Palma de Aceite Fedepalma | 3240 |
145 | Portal de Revistas de la UNED | 3120 |
146 | Revistas Científicas de la Universidad de Cádiz | 3090 |
147 | Zielonogórska Biblioteka Cyfrowa | 3080 |
148 | Portal de Revistas Universidad de Lima | 3030 |
149 | Research Information Repository | 2840 |
150 | Repositorio de la Ciencia y la Cultura de El Salvador REDICCES | 2650 |
151 | Digital Repository of Georgian Scientific Works National Scientific Library of Georgia, Georgia | 2510 |
152 | Revistas Electrónicas de la Universidad de Jaén | 2360 |
153 | Berkeley Electronic Press Bepress | 2320 |
154 | Denison University Digital Resources | 2190 |
155 | Portal de Revistas da Universidade Federal de Roraima | 1970 |
156 | ReVIS Repository | 1960 |
157 | Croatian Digital Dissertations Repository National and University Library in Zagreb | 1930 |
158 | Journals Lviv State University of Life Safety | 1880 |
159 | Portal de Revistas Universidad Tecnológica de Panamá | 1870 |
160 | Portal de Revistas Electrónicas Universidad de Carabobo | 1860 |
161 | Consortium for Research Excellence Support and Training CRECS Repository | 1800 |
162 | Research Bank | 1770 |
163 | Iowa Publications Online | 1750 |
164 | Sistema de Revistas Servicio Nacional de Aprendizaje SENA | 1730 |
164 | Portal de Revistas y Publicaciones de la Universidad de Santiago de Chile | 1730 |
164 | Portal do Conhecimento de Cabo Verde | 1730 |
167 | Institutional Open Access Repository for Federal Organizations ORFEO | 1710 |
168 | Lithuanian Academic e-Library eLABa | 1610 |
169 | Portal de Revistas Universidad del Rosario | 1580 |
170 | Sammelpunkt Elektronisch archivierte Theorie | 1500 |
171 | Portal de Revistas Eletrônicas da Universidade FUMEC | 1480 |
172 | Revistas Universidad Militar Nueva Granada | 1470 |
173 | Sistema de Revistas Universidad del Tolima | 1410 |
174 | Revistas de la Universidad Cooperativa de Colombia | 1370 |
175 | Mongolia Journals Online | 1340 |
176 | Hungarian Electronic Library / Magyar Elektronikus Könyvtár | 1300 |
177 | Repository Working Group of Catholic Theological Libraries and the Association of Church and Academic Libraries | 1210 |
178 | Portal de las Revistas Científicas Universidad Técnica de Manabí | 1200 |
179 | Open Access Journals at OsloMet | 1180 |
180 | Portal de Revistas Universidad Francisco de Paula Santander | 1150 |
181 | Portal de revistas científicas FLACSO Ecuador | 1050 |
182 | Digitale Landesbibliothek Berlin | 1040 |
183 | Gates Open Research | 999 |
184 | Revistas Científicas Universidad de La Sabana | 973 |
185 | Rhodes University Hosted Journals | 849 |
186 | Portal de Revistas Científicas de la Universidad de Guayaquil | 812 |
187 | Portal de Revistas Científicas de la Universidad Nacional de Lanús | 734 |
188 | Revistas Universidad de Bogotá Jorge Tadeo Lozano | 733 |
189 | Portal de Revistas Académicas de la Universidad de La Serena | 706 |
190 | SCOAP3 Repository | 703 |
191 | institutional repository of Universities of Iceland | 700 |
192 | Journals Australian Computer Society Digital Library | 668 |
193 | Revistas Académicas de la Universidad de Montevideo | 646 |
194 | Portal de Revistas de las Ciencias Sociales Universidad Nacional del Sur | 611 |
195 | Portal de Revistas y Libros Universidad Técnica de Ambato | 599 |
196 | Pomorska Biblioteka Cyfrowa | 593 |
197 | Electronic publications Institute of Philosophy St Petersbourg State University | 582 |
198 | National Repository of Grey Literature National Technical Library in Prague | 565 |
199 | National Repository of Grey Literature | 564 |
200 | Revistas de Investigación USIL | 563 |
201 | AGH University of Science and Technology Journals | 558 |
202 | SciELO Social Sciences | 548 |
203 | Universidad Científica del Sur Publicaciones & Revistas | 534 |
204 | EuroCRIS | 515 |
205 | Repository Detroit Area Library Network DALNET | 503 |
206 | Revistas Académicas del Instituto Tecnológico de Santo Domingo INTEC | 501 |
207 | Podlaska Biblioteka Cyfrowa | 499 |
208 | Revistas Académicas Universidad Autónoma de Chile | 489 |
209 | University of Namibia UNAM Open Access Journals | 488 |
209 | Portal de Revistas Universidad Peruana de Ciencias Aplicadas | 488 |
211 | Portal de Revistas Universidad de Valparaiso | 467 |
212 | Repositorio Institucional de Asturias | 456 |
213 | Portal de Revistas Científicas de la Universidad Técnica de Babahoyo | 444 |
214 | Constellation Digital Repository | 424 |
215 | Portal de Revistas Universidad Antonio Nariño | 415 |
216 | Revistas Digitales Universidad de Boyacá | 341 |
217 | National Science Foundation of Sri Lanka Digital Repository | 326 |
218 | CYBRA Lodz Regional Digital Library | 299 |
218 | Open Access Repository of Indian Theses | 299 |
220 | Portal de Revistas Universidad de las Regiones Autónomas de la Costa Caribe Nicaragüense | 283 |
221 | Travesía Recursos Digitales para la Cooperación Bibliotecaria | 273 |
222 | Biblioteca Digital Libros MetaBiblioteca | 264 |
223 | Revistes Científiques de la Universitat d'Alacant | 261 |
224 | Association for Learning Technology Repository | 253 |
225 | DiRROS Digital repository of Slovenian research organizations | 252 |
226 | East African Community EAC Information Repository EACIR | 251 |
227 | Deposita Repositório Comum do Brasil | 247 |
228 | Expert Journals European Open Access Journals | 233 |
229 | Vanderbilt Universities Open Journals | 223 |
230 | Portal de Revistas Universidad Politécnica de Nicaragua | 217 |
231 | Livro Aberto | 202 |
232 | Portal Cartapacio de Publicaciones Jurídicas | 169 |
232 | Portal de Revistas Universidad de La Guajira | 169 |
234 | Repository Pomeranian Library Stanisław Staszic | 160 |
234 | Portal de Revistas Universidad Tecnológica ECOTEC | 160 |
236 | Revistas Académicas de la Universidad del Azuay | 159 |
237 | REDIB Red Iberomericana de Innovación y Conocimiento Científico | 134 |
238 | Portal de Revistas Universidad de Sucre | 128 |
239 | Portal de Revistas de la FaHCE UNLP | 117 |
240 | HELIN Consortium Digital Commons | 91 |
241 | Revistas Científicas Escuela Superior Politécnica Agropecuaria de Manabí Manuel Félix López | 89 |
242 | Revistas Científicas Universidad Espíritu Santo | 84 |
243 | Portal de la Recerca de les Universitats de Catalunya | 81 |
244 | Electronic Siberia | 79 |
245 | Revistas Electrónicas de la Universidad de Cundinamarca | 68 |
246 | OSKAR Bordeaux Open Science Knowledge Archive Universities of Bordeaux | 65 |
247 | National Academic Digital Repository of Ethiopia | 64 |
248 | South African Thesis and Dissertations | 55 |
249 | LAO Space | 52 |
250 | Opole Digital Library | 51 |
251 | Revistas y Publicaciones Universidad de Especialidades Turísticas UDET | 48 |
252 | Portal de Revistas Científicas y Literarias de la UNAN León | 47 |
253 | Estonian National Library Digital Archive | 41 |
254 | Portal de Revistas Universidad Popular del Cesar | 36 |
255 | Online Archive of California | 35 |
256 | CamPuce Recherche Scientifique dans les Pays Africains | 34 |
257 | Directorio de Publicaciones Descoloniales y de Pensamiento Crítico de Nuestro Sur | 32 |
258 | DANS Nederlands | 31 |
259 | Index Copernicus | 18 |
260 | AgriXiv | 16 |
261 | LEO Letteratura Elettronica Online | 12 |
262 | Digitales Portal Mecklenburg-Vorpommern | 11 |
263 | Memória Regional Instituto Politécnico de Bragança | 7 |
264 | Recolecta | 4 |
264 | Portal de Revistas Académicas Universidad Nacional de Ingeniería Nicaragua | 4 |
266 | dLibra Digital Library | 3 |
266 | OpenAIRE | 3 |
266 | Bulgarian OpenAIRE Repository | 3 |
269 | Halifax Public Libraries Digital Archives | 2 |
270 | LILACS Literatura Latinoamericana y del Caribe en CC de la Salud | 1 |
270 | Digital Repository of Ireland | 1 |
270 | REMERI Red Mexicana de Repositorios Institucionales | 1 |
270 | Connecticut Digital Archive | 1 |
274 | UNDIP E-Journal Systems UEJS Portal 1 | 0 |
274 | Revistas de la Universidad Pontificia Javeriana Cali | 0 |
274 | RIAN Pathways to Irish Research | 0 |
274 | Portal de Revistas Académicas Fac. de Educación, Ciencias Sociales y Humanidades Universidad de La Frontera | 0 |
274 | Revistas Científicas Universidad UTE | 0 |
274 | Digital Library of the Caribbean | 0 |
274 | Portal de Publicaciones Científicas y Técnicas CAICYT | 0 |
274 | Sistema Nacional de Repositorios Digitales Argentina | 0 |
274 | BICTEL/e Répertoire Commun des Thèses Électroniques Universités de la Communauté Française de Belgique | 0 |
274 | Biblioteca Digital de Teses e Dissertacoes BDTD Brasil | 0 |
274 | Biblioteca Virtual de Ciências Humanas Centro Edelstein | 0 |
274 | Repositório da Produção Científica do CRUESP | 0 |
274 | Portal de Revistas Científicas em Ciências da Saúde | 0 |
274 | Portal de Periódicos Eletrônicos Universidade Federal da Bahia | 0 |
274 | Publicaciones Banco de la República | 0 |
274 | Kimuk Repositorio Nacional de Costa Rica | 0 |
274 | National Repository of Grey Literature | 0 |
274 | BASE | 0 |
274 | Hamburg Open Science | 0 |
274 | Saardok der Archivserver für Das Saarland | 0 |
274 | Red de Repositorio de Acceso Abierto del Ecuador | 0 |
274 | Digital Library ETERA | 0 |
274 | Euskal Doktorego Tesien Bilduma / Repositorio de Tesis Doctorales eDTB | 0 |
274 | Revistas Universidad Carlos III de Madrid | 0 |
274 | Portal de Publicaciones Online del Instituto de Salud Carlos III | 0 |
274 | Zenodo | 0 |
274 | Dépôt Universitaire de Mémoires Après Soutenance DUMAS | 0 |
274 | Isidore | 0 |
274 | Jubilothèque | 0 |
274 | Hellenic National Archive of PhD Theses | 0 |
274 | Indonesia Onesearch | 0 |
274 | OpenThesis | 0 |
274 | Open Journals Sapienza | 0 |
274 | Institutional Repositories Database IRDB | 0 |
274 | Academic Repository Latvian National Library | 0 |
274 | Portal de Revistas de Nicaragua | 0 |
274 | NZResearch | 0 |
274 | AMAUTA Repositorio Digital Peruano | 0 |
274 | Pakistan Research Repository | 0 |
274 | 0 | |
274 | Digital Library of the Krakow Library | 0 |
274 | Paperity | 0 |
274 | Silesian Digital Library | 0 |
274 | Scientific Electronic Library Online Portugal SciELO Portugal | 0 |
274 | Directory of Open Access Journals | 0 |
274 | Taiwan Academic Institutional Repository | 0 |
274 | Mendeley | 0 |
274 | Washington Research Library Consortium Aladdin Research Commons | 0 |
274 | State Library of Massachusetts Electronic Repository | 0 |
274 | OhioLINK Digital Resource Commons | 0 |
274 | Pacific Rim Library | 0 |
274 | Alaska Digital Archives | 0 |
274 | Sistema Nacional de Repositorios Digitales Uruguay | 0 |
274 | Repositorio Nacional México | 0 |