Opera
Journal metrics
Annual Clarivate and SCImago indicators.
| Year | JCR | SJR | ||||
|---|---|---|---|---|---|---|
| IF | IF quartile | Rank (percentile) | SJR | SJR quartile | Rank (percentile) | |
| 2025 | 0.1 | 42.2% | 0.130 | Q2 | 10.5% | |
| 2024 | 0.2 | 54.1% | 0.111 | Q3 | 7.5% | |
| 2023 | 0.1 | 35.8% | — | 0.0% | ||
| 2022 | 0.1 | 44.7% | 0.116 | Q3 | 19.8% | |
| 2021 | — | 92.4% | 0.101 | Q4 | 13.8% | |
| 2020 | — | — | 0.100 | Q4 | 0.0% | |
| 2019 | — | — | 0.100 | Q4 | 1.6% | |
| 2018 | — | — | 0.101 | Q4 | 0.0% | |
Impact history
Annual SJR and Impact Factor trend.
SJRIF
Journal record
ISSN
0030-3526
country
GBcoverage
2002-2014, 2017-2019, 2023