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kraa.io

https://kraa.io· First analyzed 17 Dec 2025· Updated 17 Dec 2025
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kraa.io
Desktop screenshot of kraa.io
Mobile screenshot of kraa.io
Mobile

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Hosting Provider

IP Address

83.167.248.131

Server Location

🇨🇿 Brno střed, Czechia

ASN

AS24971

Organization

MasterDC s.r.o

Server

Nginx

Nameservers

ns1.101domain.com.ns2.101domain.com.ns5.101domain.com.

Performance

Page Speed

1.8 MB
44 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
MasterDC s.r.o

Technology Stack

4 Technologies Detected

Frameworks

1

Meta Frameworks

1

CSS Frameworks

1

Web Servers

1

SEO Analysis

F17/100
2
5
2
K
kraa.iokraa.io

Kraa

No description available for this page.

Title Length4 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

  • Missing meta description - important for click-through rates
  • Missing H1 tag - every page should have one H1

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F

Security Score

25%Critical

HTTPS

No WAF

66d

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

access-control-allow-credentials
true
access-control-allow-headers
DNT,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since...
access-control-allow-methods
GET, POST, OPTIONS
access-control-max-age
86400
content-length
3826
date
Wed, 17 Dec 2025 22:51:31 GMT
Good Warning Issue

Typography & Readability

Inter

60/100

Heading Font

Inter

Body Font

Inter

Sans

Contrast Ratio

--

Reading Comfort

Single Family

16px
p

Uses variable fonts: Inter

Buy on MyFontsVariable Fonts

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Scripts & Styles

1 Resources

1
Scripts
0
Styles
1
Async
0
Defer

Top Script Sources

scripts.simpleanalyticscdn.com(1)

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Last analyzed: 17 Dec 2025 at 22:51

AI-Powered Analysis

Technical Deep Dive

Executive Summary

StackOptic's comprehensive analysis of kraa.io reveals a modern web application built with a cutting-edge JavaScript stack. The site leverages SvelteKit for its meta-framework, Tailwind CSS for styling, and Nginx as its web server. Hosting is provided by MasterDC s.r.o in Czechia. Performance metrics indicate a fast load time of 225ms, although page size data is unavailable. Security assessment shows a valid SSL certificate from Let's Encrypt, but HSTS status is unknown. SEO analysis indicates missing title tags, meta descriptions, robots.txt, and a sitemap, suggesting potential areas for improvement. The application leverages a modern, component-based architecture suitable for performant web applications.

Technology Stack Deep Dive

Frontend Technologies

The kraa.io frontend is built upon a foundation of modern JavaScript technologies, specifically Svelte and Tailwind CSS. Svelte is a component-based JavaScript framework that differs from traditional virtual DOM approaches like React or Vue.js. Svelte compiles components to highly efficient vanilla JavaScript at build time, resulting in smaller bundle sizes and improved runtime performance. This approach can lead to faster initial load times and a smoother user experience, aligning with the observed load time of 225ms.

Tailwind CSS is a utility-first CSS framework. Instead of providing pre-built components, Tailwind offers a comprehensive set of low-level utility classes that can be composed to create custom designs. This approach allows for highly flexible and maintainable styling, but requires a good understanding of CSS principles. The use of Tailwind CSS suggests a focus on rapid development and a desire for fine-grained control over the website's appearance.

Backend & Server Infrastructure

The backend infrastructure for kraa.io is centered around Nginx, a high-performance web server. Nginx is known for its efficiency in handling static content and reverse proxying, making it a popular choice for modern web applications. The scan data indicates that kraa.io utilizes Nginx directly, suggesting a relatively straightforward backend architecture. This could involve serving static assets directly from Nginx or using it as a reverse proxy for a Node.js server running the SvelteKit application.

The server is hosted by MasterDC s.r.o in Czechia, indicating the physical location of the server infrastructure. Further investigation would be needed to determine the specific server configuration and resources allocated to the kraa.io website.

Content Management & Frameworks

The scan data identifies SvelteKit as a meta-framework. SvelteKit extends Svelte with features like server-side rendering (SSR), routing, and API endpoints. This allows for building full-stack web applications with Svelte. The absence of a traditional CMS like WordPress or Drupal suggests a headless CMS architecture or a custom-built solution. With SvelteKit, content can be fetched from various sources, including APIs, databases, or markdown files, offering flexibility in content management.

The architecture points towards a component-based approach where the UI is broken down into reusable components managed by Svelte. Data is likely fetched and rendered dynamically using SvelteKit's routing and server-side rendering capabilities. The absence of a traditional CMS might indicate a preference for a more developer-centric workflow and greater control over the website's architecture.

Hosting & Infrastructure Analysis

Hosting Provider Profile

MasterDC s.r.o is the hosting provider for kraa.io. MasterDC is a Czech-based hosting company that provides a range of services, including dedicated servers, VPS hosting, and colocation. Choosing MasterDC suggests a preference for a European-based hosting solution, potentially due to data privacy regulations (GDPR) or proximity to the target audience. The choice of hosting provider can influence website performance and reliability. Further investigation into MasterDC's infrastructure and service level agreements (SLAs) would provide a more comprehensive understanding of their suitability for kraa.io.

CDN & Performance Infrastructure

The scan data indicates that kraa.io is not using a CDN (Content Delivery Network). A CDN distributes website content across multiple servers located in different geographic locations, reducing latency and improving load times for users around the world. The absence of a CDN could impact performance for users located far from the Czechia-based server. Implementing a CDN like Cloudflare, Akamai, or Fastly could significantly improve website performance and user experience, especially for globally distributed audiences.

Geographic & Network Analysis

The server for kraa.io is located in Czechia. This geographic location has implications for latency and performance. Users located closer to Czechia will experience faster load times compared to users located further away. As mentioned previously, the absence of a CDN exacerbates this issue. The network infrastructure and peering arrangements of MasterDC also play a crucial role in determining website performance. Analyzing traceroutes and ping times from different geographic locations could provide insights into network latency and potential bottlenecks.

Security Assessment

SSL/TLS Configuration

kraa.io has a valid SSL certificate issued by Let's Encrypt - E8. Let's Encrypt is a free, automated, and open certificate authority that provides SSL/TLS certificates for enabling HTTPS encryption. A valid SSL certificate ensures that communication between the user's browser and the website is encrypted, protecting sensitive data from eavesdropping. However, the scan does not expose the type of encryption used (e.g. TLS 1.2 or TLS 1.3). Modern websites should use TLS 1.3 for enhanced security.

Security Headers Analysis

The scan data shows that the HSTS (HTTP Strict Transport Security) status is unknown. HSTS is a security header that instructs browsers to only access the website over HTTPS, preventing man-in-the-middle attacks. Enabling HSTS is a best practice for securing web applications. Further analysis is needed to determine if other security headers, such as CSP (Content Security Policy) and X-Frame-Options, are implemented. These headers provide additional layers of protection against cross-site scripting (XSS) and clickjacking attacks.

Overall Security Posture

The security posture of kraa.io appears to be basic, with a valid SSL certificate but potentially missing security headers like HSTS. The absence of information on other security headers makes it difficult to assess the overall security configuration. Implementing HSTS, CSP, and X-Frame-Options would significantly improve the website's security posture and protect against common web vulnerabilities. A comprehensive security audit is recommended to identify and address any potential security weaknesses.

SEO & Technical Health

Meta Tags & Structure

The scan data indicates that the title tag and meta description are missing. Title tags and meta descriptions are crucial for SEO, as they provide context to search engines and influence click-through rates. Optimizing these meta tags with relevant keywords and compelling descriptions is essential for improving search engine rankings. The absence of these tags represents a significant SEO opportunity.

Indexability & Crawlability

The scan data shows that the robots.txt status is unknown and that a sitemap is not present. A robots.txt file instructs search engine crawlers which pages to crawl and which to ignore. A sitemap provides a list of all the pages on the website, helping search engines discover and index content. The absence of a robots.txt file could lead to unintended crawling of sensitive areas of the website, while the lack of a sitemap could hinder search engine discoverability.

Professional Verdict

kraa.io demonstrates a modern tech stack with SvelteKit and Tailwind CSS, indicating a focus on performance and developer experience. However, the lack of a CDN and several SEO-related configurations (missing title tags, meta descriptions, sitemap, and potentially misconfigured robots.txt) present significant opportunities for improvement. Furthermore, the security posture could be enhanced by implementing HSTS and other security headers. While the core technology choices are sound, attention to detail in areas like SEO and security is crucial for maximizing the website's potential.

Analysis by StackOptic AIDec 17, 2025

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