URL Inspection: https://codewars.com

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Technologies

Technologies Detected

CMS & Content (1)

CMS	Webflow Webflow is a visual web design and development platform that allows designers to create responsive websites without coding.
Description: Webflow is a visual web design and development platform that allows designers to create responsive websites without coding. It provides a visual CSS editor, CMS capabilities, hosting, and the ability to export clean code, bridging the gap between design and development. View full details
Evidence: • HTML <script>: https://cdn.prod.website-files.com/6674f0cdb5b7b401612cf015%2F6544eda5f000985a163a8687%2F686df5abdf2dd38883a7fdd3%2Ffinsweetcomponentsconfig-1.0.1.js • HTML <script>: https://cdn.prod.website-files.com/6674f0cdb5b7b401612cf015/js/codewars-v2-d2efab82dd354f6f58b6e48d120.schunk.36b8fb49256177c8.js • HTML <script>: https://cdn.prod.website-files.com/6674f0cdb5b7b401612cf015/js/codewars-v2-d2efab82dd354f6f58b6e48d120.schunk.106110592a3272f7.js • HTML <script>: https://cdn.prod.website-files.com/6674f0cdb5b7b401612cf015/js/codewars-v2-d2efab82dd354f6f58b6e48d120.66f605f0.ffaacbd2e3056dd6.js • HTML <script>: https://cdn.prod.website-files.com/gsap/3.15.0/gsap.min.js ... and 21 more

Infrastructure & Network (14)

CDN	AWS CloudFront Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency and high transfer speeds.
Description: Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency and high transfer speeds. It integrates with AWS services and provides DDoS protection and SSL/TLS encryption. View full details
Evidence: • HTML <script>: https://d3e54v103j8qbb.cloudfront.net/js/jquery-3.5.1.min.dc5e7f18c8.js?site=6674f0cdb5b7b401612cf015 • Subdomain m.codewars.com: Reverse DNS: server-18-67-76-12.iad89.r.cloudfront.net

CDN	CDN77 CDN77 is a content delivery network service that provides critical infrastructure for high-traffic websites and applications.
Description: CDN77 is a content delivery network service that provides critical infrastructure for high-traffic websites and applications. It operates a global network with 290 Tbps total capacity, 200 Points of Presence (PoPs) across 130 countries, and over 3,000 direct ISP connections. The platform offers HTTP object delivery, live streaming, adaptive media delivery, cloud storage, edge computing, video encoding, and global DNS services. Custom domains use CNAME records pointing to cdn77.org for content delivery and edge computing services. View full details
Evidence: • IP 169.150.236.106 → ASN 60068 (CDN77)

CDN	Cloudflare CDN Cloudflare CDN is a global content delivery network that accelerates and protects websites and applications.
Description: Cloudflare CDN is a global content delivery network that accelerates and protects websites and applications. It provides DDoS protection, SSL/TLS encryption, web performance optimization, and caching services through its worldwide network of data centers. View full details
Evidence: • Header Cf-Cache-Status: DYNAMIC • Header Cf-Ray: 9f338affd836e5e4-IAD • Header Server: cloudflare

CDN	Google Fonts Google Fonts is a free, open-source web font service that provides hundreds of high-quality fonts for use on websites.
Description: Google Fonts is a free, open-source web font service that provides hundreds of high-quality fonts for use on websites. It delivers fonts through a global CDN, ensuring fast loading and consistent typography across devices and browsers, with no licensing fees. View full details
Evidence: • Resource Hint (Preconnect): https://fonts.googleapis.com • Resource Hint (Preconnect): https://fonts.gstatic.com

CDN	Google Hosted Libraries Google Hosted Libraries is a content delivery network that hosts popular open-source JavaScript libraries like jQuery, Angular, and Dojo.
Description: Google Hosted Libraries is a content delivery network that hosts popular open-source JavaScript libraries like jQuery, Angular, and Dojo. It provides fast, reliable delivery of these libraries through Google's global CDN, reducing server load and improving website performance. View full details
Evidence: • HTML <script>: https://ajax.googleapis.com/ajax/libs/webfont/1.6.26/webfont.js • HTML <script>: https://ajax.googleapis.com/ajax/libs/webfont/1.6.26/webfont.js

CDN	Netlify Netlify is a platform for deploying and hosting static websites and JAMstack applications.
Description: Netlify is a platform for deploying and hosting static websites and JAMstack applications. It provides continuous deployment from Git, automatic HTTPS, global CDN distribution, serverless functions, and form handling for modern web development workflows. View full details
Evidence: • Subdomain docs.codewars.com: CNAME: Reverse DNS: reverent-edison-2864ea.netlify.app

CDN	bunny.net bunny.net (formerly BunnyCDN) is a content delivery network and DNS service that offers fast, affordable CDN and DNS solutions.
Description: bunny.net (formerly BunnyCDN) is a content delivery network and DNS service that offers fast, affordable CDN and DNS solutions. It provides global edge locations, DDoS protection, and integrated DNS management for optimal content delivery. View full details
Evidence: • Subdomain sparkling-two.codewars.com: CNAME: Reverse DNS: reliable-elegant.b-cdn.net • IP 2400:52E0:1A00:0:0:0:1236:1 → ASN 200325 (BunnyCDN)

CDN	jsDelivr jsDelivr is a free, open-source CDN that provides fast and reliable delivery of JavaScript libraries, CSS frameworks, and fonts from npm and GitHub.
Description: jsDelivr is a free, open-source CDN that provides fast and reliable delivery of JavaScript libraries, CSS frameworks, and fonts from npm and GitHub. It's one of the fastest CDNs available and supports both traditional and ES module formats. View full details
Evidence: • HTML <script>: https://cdn.jsdelivr.net/npm/js-cookie@2/src/js.cookie.min.js

DNS Provider	AWS Route53 Amazon Route 53 is a highly available and scalable cloud DNS web service from Amazon Web Services.
Description: Amazon Route 53 is a highly available and scalable cloud DNS web service from Amazon Web Services. It provides reliable domain name resolution, health checking, traffic routing, and integration with other AWS services like EC2, S3, and CloudFront. View full details
Evidence: • DNS Record NS: ns-1361.awsdns-42.org • DNS Record NS: ns-1855.awsdns-39.co.uk • DNS Record NS: ns-304.awsdns-38.com • DNS Record NS: ns-775.awsdns-32.net

DNS Provider	Cloudflare DNS Cloudflare DNS is a fast, reliable DNS service from Cloudflare.
Description: Cloudflare DNS is a fast, reliable DNS service from Cloudflare. It offers authoritative DNS hosting with global distribution, DDoS protection, DNSSEC support, and integration with Cloudflare's CDN and security services. It's known for its speed and security features. View full details
Evidence: • DNS Record NS: alla.ns.cloudflare.com • DNS Record NS: jay.ns.cloudflare.com

Email Provider	Bird Email Bird Email (formerly SparkPost) is an email delivery platform and API service designed for developers and enterprises to send and deliver emails at scale.
Description: Bird Email (formerly SparkPost) is an email delivery platform and API service designed for developers and enterprises to send and deliver emails at scale. SparkPost was acquired by Bird (formerly MessageBird) in 2021 and rebranded as Bird Email in March 2023. It delivers nearly 40% of all B2B and B2C emails worldwide, offering an enterprise-grade API with 99.99% uptime and guaranteed delivery. The service provides superior deliverability, real-time analytics with 42 metrics, scalable pricing, fast performance with guaranteed burst rates, and 24/7 support. Bird Email uses mail servers under sparkpostmail.com for email delivery and SMTP services, now integrated into Bird's omnichannel communication platform. View full details
Evidence: • DNS Record MX: smtp.sparkpostmail.com • Subdomain m.codewars.com: CNAME: Reverse DNS: sparkpostmail.com • DNS Record TXT (SPF): v=spf1 a mx include:_spf.google.com include:sparkpostmail.com include:spf.sendinblue.com include:mail.zendesk.com -all • DNS Record TXT (SPF): v=spf1 exists:%{i}._spf.sparkpostmail.com ~all

Email Provider	Google Workspace Google Workspace (formerly G Suite) provides business email hosting using Gmail's infrastructure.
Description: Google Workspace (formerly G Suite) provides business email hosting using Gmail's infrastructure. It offers custom domain email addresses, large storage capacity, advanced spam filtering, and integration with Google's productivity suite. View full details
Evidence: • DNS Record MX: aspmx.l.google.com • DNS Record MX: alt1.aspmx.l.google.com • DNS Record MX: alt2.aspmx.l.google.com • DNS Record MX: aspmx2.googlemail.com • DNS Record MX: aspmx3.googlemail.com ... and 1 more

Registrar	GoDaddy GoDaddy is one of the world's largest domain registrars and web hosting companies.
Description: GoDaddy is one of the world's largest domain registrars and web hosting companies. It provides domain registration, web hosting, website builders, email, and SSL certificates, serving millions of customers worldwide. View full details
Evidence: • WHOIS Registrar: GoDaddy.com, LLC

Web Server	Yahoo Yahoo is a web services company that provides email, news, search, and other internet services.
Description: Yahoo is a web services company that provides email, news, search, and other internet services. It operates one of the largest web portals and email services in the world, serving millions of users globally. View full details
Evidence: • DNS Record TXT: yahoo-verification-key=3FbuT+COxdPHeqY8GDS1MS5lZ+Y4R0w0MCU5RmkGdic=

Development (1)

JavaScript Library	js-cookie js-cookie is a simple, lightweight JavaScript API for handling cookies.	2
Description: js-cookie is a simple, lightweight JavaScript API for handling cookies. It provides a simple interface for reading, writing, and deleting cookies without the complexity of the native document.cookie API, with support for JSON and encoding. View full details
Evidence: • HTML <script>: https://cdn.jsdelivr.net/npm/js-cookie@2/src/js.cookie.min.js

Analytics & Marketing (2)

Analytics	Google Optimize Google Optimize was a free A/B testing and website optimization tool from Google that integrated with Google Analytics.	OPT-5GJK39N
Description: Google Optimize was a free A/B testing and website optimization tool from Google that integrated with Google Analytics. It allowed businesses to test different versions of web pages and optimize user experience. The service was discontinued in 2023, with features integrated into Google Analytics 4. View full details
Evidence: • HTML <script>: https://www.googleoptimize.com/optimize.js?id=OPT-5GJK39N • HTML <script>: https://www.googleoptimize.com/optimize.js?id=OPT-5GJK39N

Marketing	Sendinblue Sendinblue (now Brevo) is an all-in-one marketing platform that provides email marketing, SMS marketing, marketing automation, and CRM tools.
Description: Sendinblue (now Brevo) is an all-in-one marketing platform that provides email marketing, SMS marketing, marketing automation, and CRM tools. It offers affordable pricing and comprehensive features for small and medium businesses to manage their marketing campaigns. View full details
Evidence: • DNS Record TXT: Sendinblue-code:43031cb74265bb1cc979e43aa33341b9

Security & Privacy (3)

Security	Cloudflare NEL Monitoring Cloudflare NEL Monitoring is a service that helps organizations monitor and analyze Network Error Logging (NEL) reports.
Description: Cloudflare NEL Monitoring is a service that helps organizations monitor and analyze Network Error Logging (NEL) reports. It provides NEL reporting and analysis tools to help organizations monitor network errors, identify connectivity issues, and improve network reliability and performance. View full details
Evidence: • Header Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=ym0PHWS2W6UL4G5w3HkW8uTj1T%2BXk6yDdtX9dQaU4WwXwIRUG5eEgAblnxeg6VBlV3KCoccuA6MLabqwnQhfdeSU%2BB5q9%2B9FNpsYJNGprOdLMiEx%2FVWx1Kxz5RrHiqXxwqs%3D"}]}

Security	Detectify Detectify is a web application security scanner that automatically discovers and tests for vulnerabilities in web applications.
Description: Detectify is a web application security scanner that automatically discovers and tests for vulnerabilities in web applications. It provides continuous security testing, vulnerability assessment, and security monitoring to help organizations identify and fix security issues before they can be exploited. View full details
Evidence: • DNS Record TXT: detectify-verification=f02777169664fd55c980859b4759dd20

Whois Privacy	Domains By Proxy Domains By Proxy is GoDaddy's WHOIS privacy protection service that shields domain owner contact information from public WHOIS databases.
Description: Domains By Proxy is GoDaddy's WHOIS privacy protection service that shields domain owner contact information from public WHOIS databases. It helps protect domain registrants from spam, scams, and identity theft by replacing personal information with proxy contact details in WHOIS records. View full details
Evidence: • WHOIS Organization: Domains By Proxy, LLC

SSL & Certificates (1)

Certificate Authority	Let's Encrypt Let's Encrypt is a free, automated, and open certificate authority run by the Internet Security Research Group (ISRG).
Description: Let's Encrypt is a free, automated, and open certificate authority run by the Internet Security Research Group (ISRG). It provides free SSL/TLS certificates to enable encrypted HTTPS on websites, making web security accessible to everyone. It's one of the most widely used certificate authorities globally. View full details
Evidence: • SSL Certificate Issuer: C=US, O=Let's Encrypt, CN=E7

Other (5)

Cloud	AWS AWS (Amazon Web Services) is Amazon's cloud computing platform that provides a wide range of cloud services including computing, storage, databases, networking, analytics, machine learning, and more.
Description: AWS (Amazon Web Services) is Amazon's cloud computing platform that provides a wide range of cloud services including computing, storage, databases, networking, analytics, machine learning, and more. It's one of the leading cloud infrastructure providers globally. View full details
Evidence: • IP 18.67.76.12 → ASN 16509 (Amazon) • Subdomain docs.codewars.com: Reverse DNS: ec2-18-208-88-157.compute-1.amazonaws.com

Cloud	AWS EC2 AWS EC2 (Elastic Compute Cloud) is Amazon's scalable cloud computing service that provides resizable compute capacity in the cloud.
Description: AWS EC2 (Elastic Compute Cloud) is Amazon's scalable cloud computing service that provides resizable compute capacity in the cloud. It allows users to launch virtual servers (instances) on demand, configure security and networking, and scale capacity up or down based on demand. View full details
Evidence: • Subdomain docs.codewars.com: Reverse DNS: ec2-18-208-88-157.compute-1.amazonaws.com

Cloud	Cloudflare Cloudflare is a global cloud services provider that offers CDN, DDoS protection, DNS, security, and performance optimization services. Active incidents
Description: Cloudflare is a global cloud services provider that offers CDN, DDoS protection, DNS, security, and performance optimization services. It helps websites and applications improve speed, security, and reliability through its global network of data centers. View full details
Evidence: • IP 2606:4700:20:0:0:0:681A:85A → ASN 13335 (Cloudflare)

Customer Support	Zendesk Zendesk is a customer service and support platform that provides ticketing systems, help desk software, and customer communication tools.
Description: Zendesk is a customer service and support platform that provides ticketing systems, help desk software, and customer communication tools. It helps businesses manage customer support requests, provide multichannel support, and improve customer satisfaction through organized support workflows. View full details
Evidence: • DNS Record TXT (SPF): v=spf1 a mx include:_spf.google.com include:sparkpostmail.com include:spf.sendinblue.com include:mail.zendesk.com -all

SEO	Google Console Google Search Console (formerly Google Webmaster Tools) is a free service from Google that helps website owners monitor and maintain their site's presence in Google search results.
Description: Google Search Console (formerly Google Webmaster Tools) is a free service from Google that helps website owners monitor and maintain their site's presence in Google search results. It provides insights into search performance, indexing status, and technical SEO issues. View full details
Evidence: • Meta Tag Google-Site-Verification: EMv3k6eCCUuSkbwJpGlLbtsBd_lCvmvDp1Ucsv0rIvM • DNS Record TXT: google-site-verification=aRDT9_GRhY0nxFlGkyDRwQiAVeE-4AYAmw6iNMeE9EQ • DNS Record TXT: google-site-verification=apBZnyvMWEyK0jCMm8jL9NKrcRBRZ7i2UVkuwB0M5hs • DNS Record TXT: google-site-verification=mJLCn8kdW0RIckA2u8dTpED3UaT9yIQVu8PpzVGvNVo • DNS Record TXT: google-site-verification=yCMV3z3BhBaINi0V033HnfTi9xkQjpIZ4DM4ywSlwUs

Metadata & SEO

Title

Codewars - Achieve mastery through coding practice and developer mentorship

Description

A coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming languages!

Keywords

codewars, code kata, kata, code gym, coding, code practice, ruby, javascript, coffeescript, web development, software development, dojo

Canonical URL

https://www.codewars.com

Language

Viewport

width=device-width, initial-scale=1

Domain Owner Information

View Full WHOIS

Registrar

GoDaddy.com, LLC

Created

June 29, 2004

Expires

June 29, 2026

SSL/TLS Certificate

View Full SSL Report

Issued By

C=US, O=Let's Encrypt, CN=E7

Security Score

86 /100

Social Media Cards

OpenGraph (5 properties)

Type

website

Description

A coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming languages!

Title

Codewars - Achieve mastery through coding practice and developer mentorship

Image

https://cdn.prod.website-files.com/62e3ee10882dc50bcae8d07a/634816d46fc4a32b2a583416_codewars-og-image.png

Site Name

Codewars