音泉 is the website.
Multilingual Wikipedia
In June 2020 the website onsen.ag was on the 3,146th place in the ranking of the most reliable and popular sources in multilingual Wikipedia from readers' point of view (PR-score). If we consider only frequency of appearance of this source in references of Wikipedia articles (F-score), this website was on the 6,559th place in June 2020. From Wikipedians' point of view, "onsen.ag" is the 8,014th most reliable source in different language versions of Wikipedia (AR-score).
The website is placed before rtvslo.si and after tvdrama-db.com in multilingual PR ranking of the most reliable sources in Wikipedia.
PR-score:

3,146
th place
10,935,228
-2,176,432
AR-score:

8,014
th place
543,762
+5,632
F-score:

6,559
th place
1,964
+29
Japanese Wikipedia (ja)
PR-score:

239
th place
9,493,954
-1,941,575
AR-score:

378
th place
475,783
+5,269
F-score:

386
th place
1,573
+28
Chinese Wikipedia (zh)
PR-score:

1,131
st place
1,019,065
-208,094
AR-score:

2,268
th place
35,131
+258
F-score:

1,994
th place
181
+1
English Wikipedia (en)
PR-score:

36,719
th place
314,083
-16,949
AR-score:

66,940
th place
18,223
+20
F-score:

40,538
th place
71
0
Portuguese Wikipedia (pt)
PR-score:

20,134
th place
27,106
+2,958
AR-score:

54,368
th place
1,116
+5
F-score:

29,935
th place
8
0
Russian Wikipedia (ru)
PR-score:

54,260
th place
22,330
-1,248
AR-score:

112,809
th place
867
+9
F-score:

20,332
nd place
26
0
German Wikipedia (de)
PR-score:

65,297
th place
16,911
-1,635
AR-score:

77,683
rd place
2,946
+23
F-score:

61,023
rd place
7
0
Italian Wikipedia (it)
PR-score:

36,409
th place
12,921
-4,054
AR-score:

38,728
th place
3,260
0
F-score:

28,536
th place
10
0
Korean Wikipedia (ko)
PR-score:

6,653
rd place
12,053
-4,214
AR-score:

4,261
st place
4,260
+15
F-score:

3,452
nd place
19
0
Spanish Wikipedia (es)
PR-score:

82,100
th place
10,642
+151
AR-score:

139,055
th place
646
+23
F-score:

69,698
th place
5
0
French Wikipedia (fr)
PR-score:

141,052
nd place
2,900
-1,123
AR-score:

190,651
st place
528
0
F-score:

72,758
th place
6
0
Vietnamese Wikipedia (vi)
PR-score:

29,068
th place
1,319
-421
AR-score:

23,480
th place
507
0
F-score:

4,675
th place
27
0
Indonesian Wikipedia (id)
PR-score:

41,397
th place
562
+67
AR-score:

57,751
st place
104
+12
F-score:

29,658
th place
3
0
Ukrainian Wikipedia (uk)
PR-score:

61,468
th place
392
-82
AR-score:

96,008
th place
88
0
F-score:

29,046
th place
5
0
Norwegian Wikipedia (no)
PR-score:

32,852
nd place
318
+73
AR-score:

70,152
nd place
22
0
F-score:

32,229
th place
2
0
Czech Wikipedia (cs)
PR-score:

61,049
th place
285
-72
AR-score:

69,939
th place
100
0
F-score:

79,421
st place
1
0
Thai Wikipedia (th)
PR-score:

30,426
th place
238
-65
AR-score:

30,547
th place
75
0
F-score:

11,499
th place
3
0
Azerbaijani Wikipedia (az)
PR-score:

18,495
th place
72
-40
AR-score:

20,724
th place
52
0
F-score:

3,579
th place
8
0
Polish Wikipedia (pl)
PR-score:

162,140
th place
37
-32
AR-score:

166,495
th place
29
0
F-score:

37,277
th place
6
0
Danish Wikipedia (da)
PR-score:

48,049
th place
31
-75
AR-score:

49,911
th place
18
0
F-score:

13,648
th place
3
0