What atcoder.jp is built with
Read on 2026-10-28 16:15. 20 technologies spotted.
| Technology | Category | Version | Confidence | Tell |
|---|---|---|---|---|
| AWS Certificate Manager | SSL/TLS certificate authorities | 100% | certIssuer: Amazon, Amazon RSA 2048 M01 | |
| AddToAny | Widgets | 100% | scriptSrc: //static.addtoany.com/menu/page.js | |
| Amazon CloudFront | CDN | 100% | headers via: 32e6.cloudfront.net (CloudFront) | |
| Amazon Route 53 | Hosting | 100% | dns NS: ns-96.awsdns-12.com | |
| Amazon Web Services | PaaS | 100% | dns NS: ns-96.awsdns-12.com | |
| Bootstrap | UI frameworks | 100% | html: " type="text/css"> <link rel="stylesheet" type="text/css" href="//img.atcoder.jp/public/ae2ce46/css/bootstrap.min.css"> | |
| Go | Programming languages | 100% | implied Revel | |
| Google Analytics | Analytics | GA4 | 100% | scriptSrc: https://www.googletagmanager.com/gtag/js?id=G-RC512FD18N |
| Google Font API | Font scripts | 100% | dom link[href*='fonts.g'] @href: //fonts.googleapis.com/css?family=Lato:400,700 | |
| Google Tag Manager | Tag managers | 100% | scriptSrc: https://www.googletagmanager.com/gtag/js?id=G-RC512FD18N | |
| Google Workspace | Webmail, Email | 100% | dns MX: aspmx.l.google.com | |
| HSTS | Security | 100% | headers strict-transport-security: max-age=31536000 | |
| KaTeX | JavaScript graphics | 100% | dom link[href*=katex] @href: lic/ae2ce46/css/cdn/katex.min.css | |
| Marked | JavaScript libraries | 100% | scriptSrc: ublic/ae2ce46/js/lib/marked.js | |
| Moment.js | JavaScript libraries | 100% | scriptSrc: blic/ae2ce46/js/cdn/moment.min.js | |
| Nginx | Web servers, Reverse proxies | 100% | headers server: nginx | |
| Open Graph | Miscellaneous | 100% | dom meta[property*='og:']: <meta property="og:site_name" content="AtCoder"> | |
| Revel | Web frameworks | 100% | cookies revel_flash | |
| jQuery | JavaScript libraries | 1.9.1 | 100% | scriptSrc: blic/ae2ce46/js/lib/jquery-1.9.1.min.js |
| timeago | JavaScript libraries | 100% | scriptSrc: blic/ae2ce46/js/cdn/jquery.timeago.min.js |
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