ioinformatics.org

The International Olympiad in Informatics is an annual competitive programming competition for secondary school students. It is the second largest olympiad, after International Mathematical Olympiad, in terms of number of participating countries. The first IOI was held in 1989 in Pravetz, Bulgaria. More information...

Multilingual Wikipedia

In June 2020 the website ioinformatics.org was on the 43,308th 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 42,168th place in June 2020. From Wikipedians' point of view, "ioinformatics.org" is the 42,241st most reliable source in different language versions of Wikipedia (AR-score).

The website is placed before tokyo-park.or.jp and after gempak.com in multilingual PR ranking of the most reliable sources in Wikipedia.

PR-score:
43,308th place
525,632
-114,512
AR-score:
42,241st place
75,821
-788
F-score:
42,168th place
214
+2

English Wikipedia (en)

PR-score:
31,686th place
372,873
-80,383
AR-score:
43,086th place
30,730
-11
F-score:
68,736th place
37
0

Chinese Wikipedia (zh)

PR-score:
15,170th place
47,213
+4,936
AR-score:
9,354th place
6,939
0
F-score:
31,935th place
7
0

Persian Wikipedia (fa)

PR-score:
4,117th place
24,860
-23,454
AR-score:
4,131st place
6,184
+50
F-score:
1,117th place
84
0

Russian Wikipedia (ru)

PR-score:
50,594th place
24,853
-4,033
AR-score:
22,051st place
7,260
+7
F-score:
68,806th place
6
0

Bulgarian Wikipedia (bg)

PR-score:
5,816th place
7,584
+3,223
AR-score:
16,970th place
515
0
F-score:
8,748th place
5
0

Portuguese Wikipedia (pt)

PR-score:
53,967th place
6,400
+2,200
AR-score:
19,273rd place
4,200
+100
F-score:
142,167th place
1
0

French Wikipedia (fr)

PR-score:
94,097th place
6,300
+950
AR-score:
57,003rd place
3,075
-925
F-score:
113,025th place
3
+1

Polish Wikipedia (pl)

PR-score:
39,136th place
6,107
-4,028
AR-score:
54,713th place
903
0
F-score:
19,791st place
13
0

Korean Wikipedia (ko)

PR-score:
12,355th place
4,868
+93
AR-score:
8,731st place
1,807
0
F-score:
11,196th place
4
0

Hebrew Wikipedia (he)

PR-score:
9,053rd place
4,500
-9,357
AR-score:
13,058th place
1,450
-121
F-score:
11,131st place
4
0

Japanese Wikipedia (ja)

PR-score:
115,167th place
2,828
-643
AR-score:
72,714th place
871
0
F-score:
152,160th place
1
0

Spanish Wikipedia (es)

PR-score:
148,966th place
2,795
-837
AR-score:
221,438th place
212
+6
F-score:
72,679th place
5
0

Ukrainian Wikipedia (uk)

PR-score:
23,878th place
2,648
+733
AR-score:
28,234th place
847
+58
F-score:
23,067th place
6
+1

Italian Wikipedia (it)

PR-score:
108,192nd place
1,772
-1,031
AR-score:
65,961st place
1,657
0
F-score:
54,143rd place
5
0

Arabic Wikipedia (ar)

PR-score:
41,944th place
1,690
-1,200
AR-score:
46,979th place
723
0
F-score:
55,809th place
3
0

Wu Wikipedia (wuu)

PR-score:
166th place
1,600
-1,450
AR-score:
268th place
300
0
F-score:
820th place
1
0

Vietnamese Wikipedia (vi)

PR-score:
27,259th place
1,499
+285
AR-score:
21,335th place
595
0
F-score:
32,629th place
3
0

Hungarian Wikipedia (hu)

PR-score:
30,324th place
1,139
-867
AR-score:
36,012th place
331
0
F-score:
30,591st place
2
0

Bengali Wikipedia (bn)

PR-score:
6,541st place
900
+500
AR-score:
5,278th place
800
0
F-score:
25,007th place
1
0

Swedish Wikipedia (sv)

PR-score:
42,224th place
720
+160
AR-score:
12,278th place
3,200
0
F-score:
22,766th place
4
0

Czech Wikipedia (cs)

PR-score:
47,284th place
650
-550
AR-score:
29,573rd place
650
+50
F-score:
62,216th place
1
0

Dutch Wikipedia (nl)

PR-score:
47,124th place
575
+125
AR-score:
56,344th place
175
0
F-score:
63,811th place
1
0

Serbian Wikipedia (sr)

PR-score:
25,181st place
476
+160
AR-score:
19,761st place
422
0
F-score:
14,304th place
4
0

Finnish Wikipedia (fi)

PR-score:
50,201st place
450
+50
AR-score:
19,196th place
1,650
0
F-score:
46,356th place
2
0

Greek Wikipedia (el)

PR-score:
42,430th place
166
-34
AR-score:
38,632nd place
100
0
F-score:
67,817th place
1
0

Thai Wikipedia (th)

PR-score:
41,001st place
50
-40
AR-score:
37,767th place
31
0
F-score:
34,172nd place
1
0

Croatian Wikipedia (hr)

PR-score:
31,013th place
44
0
AR-score:
29,294th place
44
0
F-score:
8,219th place
4
0

Belarusian (Taraškievica) Wikipedia (be-x-old)

PR-score:
8,024th place
37
-18
AR-score:
10,251st place
32
0
F-score:
5,062nd place
2
0

West Frisian Wikipedia (fy)

PR-score:
2,940th place
25
0
AR-score:
2,695th place
75
0
F-score:
2,475th place
1
0

Armenian Wikipedia (hy)

PR-score:
71,024th place
3
0
AR-score:
49,022nd place
34
0
F-score:
32,101st place
2
0

BestRef shows popularity and reliability scores for sources in references of Wikipedia articles in different languages. Data extraction based on complex method using Wikimedia dumps. To find the most popular and reliable sources we used information about over 200 million references of Wikipedia articles. More details...