Who are the closest competitors to atcoder.jp?

The five closest by shared topics are geeksforgeeks.org, clist.by, codeforces.com, syvum.com, codingshuttle.com. The full ranked list is in the table above.

How many sites compete with atcoder.jp?

Site Stats Database tracks 1,874 sites that share at least one topic with atcoder.jp. The top 12 by overlap and traffic are shown; the rest are available with a plan.

What do atcoder.jp's competitors have in common?

They most often cover Programming, Contest, News, Tutorial, Community.

What platforms and hosting do atcoder.jp's competitors use?

The most common platforms are WordPress, Next.js, WooCommerce. For hosting and CDN, Cloudflare, AWS CloudFront, Fastly are most common.

How is this competitor list built?

We rank every site by how many topics it shares with atcoder.jp, then by estimated monthly traffic. Topics are detected from each site's content and metadata; traffic and authority come from DataForSEO and Ahrefs.

atcoder.jp Competitors & Similar Sites

geeksforgeeks.org
LanguageEnglish
DR (Ahrefs)89
Total Keywords1,877,851
Referring Domains83,223
Domain Age17 yrs
Traffic (Jun 2026)36,443,558
Traffic Trend
clist.by
LanguageEnglish
DR (Ahrefs)52
Total Keywords223
Referring Domains414
Domain Age13 yrs
Traffic (Jun 2026)2,274,219
Traffic Trend
codeforces.com
LanguageEnglish
DR (Ahrefs)81
Total Keywords6,422
Referring Domains9,641
Domain Age17 yrs
Traffic (Jun 2026)93,000
Traffic Trend
syvum.com
LanguageEnglish
DR (Ahrefs)48
Total Keywords5,525
Referring Domains2,239
Domain Age27 yrs
Traffic (Jun 2026)37,188
Traffic Trend
codingshuttle.com
LanguageEnglish
DR (Ahrefs)20
Total Keywords4,439
Referring Domains461
Domain Age3 yrs
Traffic (Jun 2026)15,268
Traffic Trend
planetscott.com
LanguageEnglish
DR (Ahrefs)14
Total Keywords2,393
Referring Domains190
Domain Age27 yrs
Traffic (Jun 2026)10,313
Traffic Trend
icpc.global
LanguageEnglish
DR (Ahrefs)71
Total Keywords478
Referring Domains3,200
Domain Age8 yrs
Traffic (Jun 2026)10,145
Traffic Trend
ioinformatics.org
LanguageEnglish
DR (Ahrefs)71
Total Keywords500
Referring Domains2,617
Domain Age23 yrs
Traffic (Jun 2026)9,639
Traffic Trend
myrdctv.com
LanguageEnglish
DR (Ahrefs)13
Total Keywords604
Referring Domains211
Domain Age19 yrs
Traffic (Jun 2026)3,682
Traffic Trend
repovive.com
LanguageEnglish
DR (Ahrefs)10
Total Keywords808
Referring Domains19
Domain Age0 yrs
Traffic (Jun 2026)1,420
Traffic Trend
onlinejudge.org
LanguageEnglish
DR (Ahrefs)68
Total Keywords172
Referring Domains2,547
Domain Age17 yrs
Traffic (Jun 2026)647
Traffic Trend
compsci.ca
LanguageEnglish
DR (Ahrefs)38
Total Keywords251
Referring Domains1,613
Domain Age23 yrs
Traffic (Jun 2026)266
Traffic Trend