Who are the closest competitors to ctftime.org?

The five closest by shared topics are defcon.org, narrow.one, cybertalents.com, tagpro.koalabeast.com, root-me.org. The full ranked list is in the table above.

How many sites compete with ctftime.org?

Site Stats Database tracks 663 sites that share at least one topic with ctftime.org. The top 12 by overlap and traffic are shown; the rest are available with a plan.

What do ctftime.org's competitors have in common?

They most often cover Flags, Countries, Accessories, Sports, Military.

What platforms and hosting do ctftime.org's competitors use?

The most common platforms are WordPress, WooCommerce, BigCommerce. 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 ctftime.org, then by estimated monthly traffic. Topics are detected from each site's content and metadata; traffic and authority come from DataForSEO and Ahrefs.

ctftime.org Competitors & Similar Sites

ctftime.org Competitors & Similar Sites — Site Stats Database

defcon.org
LanguageEnglish
DR (Ahrefs)79
Total Keywords2,385
Referring Domains11,664
Domain Age33 yrs
Traffic (Jun 2026)41,600
Traffic Trend
narrow.one
LanguageEnglish
DR (Ahrefs)45
Total Keywords114
Referring Domains585
Domain Age5 yrs
Traffic (Jun 2026)12,885
Traffic Trend
cybertalents.com
LanguageEnglish
DR (Ahrefs)54
Total Keywords2,301
Referring Domains904
Domain Age11 yrs
Traffic (Jun 2026)10,905
Traffic Trend
tagpro.koalabeast.com
LanguageEnglish
DR (Ahrefs)29
Total Keywords149
Referring Domains352
Domain Age17 yrs
Traffic (Jun 2026)2,927
Traffic Trend
root-me.org
LanguageFrench
DR (Ahrefs)73
Total Keywords795
Referring Domains3,671
Domain Age16 yrs
Traffic (Jun 2026)2,850
Traffic Trend
koalabeast.com
LanguageEnglish
DR (Ahrefs)29
Total Keywords154
Referring Domains606
Domain Age17 yrs
Traffic (Jun 2026)2,756
Traffic Trend
gameskidsplay.net
LanguageEnglish
DR (Ahrefs)44
Total Keywords906
Referring Domains1,351
Domain Age26 yrs
Traffic (Jun 2026)2,407
Traffic Trend
ctfd.io
LanguageEnglish
DR (Ahrefs)77
Total Keywords151
Referring Domains1,383
Domain Age11 yrs
Traffic (Jun 2026)830
Traffic Trend
sixflags.com
LanguageEnglish
DR (Ahrefs)81
Total Keywords210,432
Referring Domains42,921
Domain Age31 yrs
Traffic (Jun 2026)30,156,156
Traffic Trend
worldatlas.com
LanguageEnglish
DR (Ahrefs)83
Total Keywords1,154,249
Referring Domains83,353
Domain Age30 yrs
Traffic (Jun 2026)25,631,671
Traffic Trend
nationsonline.org
LanguageEnglish
DR (Ahrefs)77
Total Keywords248,237
Referring Domains23,820
Domain Age26 yrs
Traffic (Jun 2026)15,019,316
Traffic Trend
flagsexpress.com
LanguageEnglish
DR (Ahrefs)28
Total Keywords17,675
Referring Domains887
Domain Age26 yrs
Traffic (Jun 2026)4,330,342
Traffic Trend