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

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
Show all Wikipedia languages...

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...