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card.biz

https://card.biz· First analyzed 30 Dec 2025· Updated 30 Dec 2025
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card.biz
Desktop screenshot of card.biz
Mobile screenshot of card.biz
Mobile

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Hosting Provider

aws.amazon.com

IP Address

54.169.117.193

Server Location

🇸🇬 Singapore, Singapore

ASN

AS16509

Organization

AWS EC2 (ap-southeast-1)

Server

Nginx

Nameservers

ns-1210.awsdns-23.org.ns-130.awsdns-16.com.ns-1694.awsdns-19.co.uk.ns-909.awsdns-49.net.

Performance

Page Speed

3.9 MB
112 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPressv6.8.3
cms
Foxizv2.6.8
by Theme-Ruby
View Theme

SEO Analysis

B76/100
11
1
1
C
card.bizcard.biz

BizCard AI - Best Digital Business Card​ Platform

For small business, BizCard means a free digital business card platform available, especially when it comes to collecting all in one contact information for ...

Description truncated.
Title Length49 chars

Recommended: 50-60 chars

Description Length310 chars

Recommended: 120-160 chars

Issues (1)

  • Many images missing alt text (18/27)

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Sponsored

F

Security Score

0%Critical
Critical / Transactional

HTTPS

No WAF

345d

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

connection
keep-alive
content-encoding
📦 Gzip(gzip)
content-length
35174
content-type
text/html; charset=UTF-8
date
Tue, 30 Dec 2025 15:08:42 GMT
link
<https://card.biz/wp-json/>; rel="https://api.w.org/", <http...
Good Warning Issue

Typography & Readability

Poppins + Montserrat

66/100
Readability
/30
20/40

12px · LH 1.50

Hierarchy
/20
25/25

4.33x ratio

WCAG
/25
15/15

Contrast: undefined

Performance
/25
13/20

2 fonts

Heading Font

Poppins

Sans52px

Body Font

Montserrat

Sans12px

Contrast Ratio

--

Reading Comfort

~41 CPL

Needs attention
52px
h1
46px
h2
16px
h3
16px
h4
12px
p

❌ Critical: 12px body text is too small. Increase to at least 14px.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 4.3x larger than body text.

✅ Good performance: Using 2 font families keeps load times fast.

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

✅ Protected text on images: Using gradient for readability.

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Scripts & Styles

30 Resources

20
Scripts
10
Styles
4
Async
5
Defer

Top Script Sources

card.biz(15)youtube.com(2)a.omappapi.com(2)cdn.mxpnl.com(1)

Website Identity

card.biz

Sponsored

Last analyzed: 30 Dec 2025 at 15:08

AI-Powered Analysis

Technical Deep Dive

Executive Summary

StackOptic's comprehensive analysis of card.biz reveals a website built on WordPress 6.8.3, hosted on Amazon Web Services (AWS) in Singapore. The frontend leverages a modern tech stack including Tailwind CSS, jQuery, Swiper, and Lottie animations. Multiple analytics tools, including Google Analytics, Google Analytics 4, and Mixpanel, are implemented. The website uses Nginx as its server software. While the site has a sitemap, key SEO elements like title tags and meta descriptions are missing. Performance analysis shows a load time of 5409ms with 112 requests. Security analysis reveals SSL is provided by Amazon but other elements like HSTS are not exposed. Overall, card.biz presents a mixed picture, with a solid foundation but clear areas for improvement in SEO and security best practices.

Technology Stack Deep Dive

Frontend Technologies

The card.biz frontend utilizes a blend of established and modern technologies. jQuery and jQuery UI, while mature libraries, provide foundational JavaScript functionality and UI components. Swiper is used for creating touch-friendly sliders and carousels, enhancing the user experience. The inclusion of Lottie indicates the use of vector-based animations, offering scalable and visually appealing graphics. Tailwind CSS, a utility-first CSS framework, suggests a preference for rapid development and a highly customizable design system. Font Awesome provides a wide range of icons, improving visual communication. The site also uses Google Fonts for typography. These technologies collectively aim to create a dynamic and visually engaging user interface.

Backend & Server Infrastructure

The backend of card.biz is powered by Nginx, a high-performance web server known for its efficiency and scalability. The server is running PHP, a widely used scripting language for web development, which is common for WordPress sites. This combination is a standard setup for WordPress, providing a robust and flexible environment. The server is hosted on Amazon Web Services (AWS), indicating a commitment to reliable and scalable infrastructure. The absence of detailed information on specific server configurations limits deeper analysis, but the presence of Nginx suggests the potential for advanced configurations like reverse proxying and load balancing.

Content Management & Frameworks

WordPress 6.8.3 serves as the content management system (CMS) for card.biz. WordPress is one of the most popular CMS platforms globally, known for its flexibility, extensive plugin ecosystem, and ease of use. Version 6.8.3 is a relatively recent version, indicating that the site is likely being maintained and kept up-to-date. The use of WordPress enables content creators to easily manage and publish content without requiring extensive technical knowledge. The wide availability of themes and plugins allows for customization and extension of the website's functionality. The integration of other technologies, such as analytics tools and marketing plugins, further enhances the capabilities of the WordPress installation.

Hosting & Infrastructure Analysis

Hosting Provider Profile

card.biz is hosted on Amazon Web Services (AWS), a leading cloud computing platform. AWS offers a wide range of services, including computing, storage, and networking, providing a highly scalable and reliable infrastructure. Choosing AWS suggests a commitment to performance and availability. AWS is known for its robust infrastructure and global presence, making it suitable for websites with varying traffic patterns and geographic reach. The selection of AWS implies that the website anticipates future growth and requires a hosting solution that can scale accordingly.

CDN & Performance Infrastructure

While the scan indicates that card.biz is not directly using a Content Delivery Network (CDN) explicitly configured through a CDN provider, it is hosted on AWS infrastructure, which inherently provides some level of content distribution and caching through its global network. However, the absence of a dedicated CDN provider might impact the website's performance, particularly for users located far from the server's location in Singapore. Implementing a CDN could significantly reduce latency and improve page load times by caching content on geographically distributed servers.

Geographic & Network Analysis

The server for card.biz is located in Singapore, as indicated by the scan data. This geographic location can impact website performance for users in other parts of the world due to increased latency. Users in Asia will likely experience faster load times compared to users in North America or Europe. To mitigate this, implementing a CDN with edge servers closer to users in different regions would be beneficial. Analyzing network routes and latency from various locations can provide further insights into potential performance bottlenecks.

Security Assessment

SSL/TLS Configuration

The SSL certificate for card.biz is issued by Amazon - Amazon RSA 2048 M01, indicating that the website uses a valid SSL certificate to encrypt communication between the server and users' browsers. This ensures that sensitive data, such as login credentials and personal information, is protected from interception. However, the scan data does not provide information on the specific TLS version or cipher suites used, which are crucial for ensuring strong encryption. Further investigation is needed to assess the SSL/TLS configuration comprehensively.

Security Headers Analysis

Unfortunately, the scan data does not provide information on the presence or configuration of security headers such as HSTS, CSP, and X-Frame-Options. HSTS (HTTP Strict Transport Security) is crucial for enforcing HTTPS connections and preventing man-in-the-middle attacks. CSP (Content Security Policy) helps mitigate cross-site scripting (XSS) attacks by defining which sources of content are allowed to be loaded by the browser. X-Frame-Options protects against clickjacking attacks by preventing the website from being embedded in an iframe on another domain. The absence of these headers can expose the website to various security vulnerabilities.

Overall Security Posture

Based on the available data, the security posture of card.biz appears to be moderate. The use of SSL/TLS encryption is a positive step, but the lack of information on security headers and other security configurations raises concerns. Implementing HSTS, CSP, and X-Frame-Options is highly recommended to enhance the website's security and protect against common web attacks. Regular security audits and penetration testing can help identify and address potential vulnerabilities.

SEO & Technical Health

Meta Tags & Structure

According to the scan data, the title tag and meta description are missing from the website. This is a significant SEO issue, as these elements are crucial for search engine optimization and user experience. The title tag is displayed in search engine results pages (SERPs) and provides a concise description of the page's content. The meta description provides a brief summary of the page and can influence click-through rates from the SERPs. Optimizing these elements with relevant keywords and compelling descriptions is essential for improving search engine rankings and attracting organic traffic.

Indexability & Crawlability

The scan indicates that card.biz has a sitemap, which is a positive sign for search engine optimization. A sitemap helps search engines crawl and index the website's content more efficiently. However, the scan data does not provide information on the presence or content of a robots.txt file. A robots.txt file is used to instruct search engine crawlers which pages or sections of the website should not be crawled. Ensuring that the robots.txt file is properly configured is crucial for preventing search engines from crawling sensitive or irrelevant content.

Professional Verdict

card.biz demonstrates a reasonably modern tech stack with WordPress, Tailwind CSS, and AWS hosting. However, significant areas for improvement exist. The missing title tag and meta description are critical SEO oversights. The absence of information on security headers is concerning, and a thorough security audit is recommended. While the site leverages AWS, the lack of a dedicated CDN impacts performance. Addressing these issues will significantly improve the website's SEO, security, and overall user experience. The foundation is solid, but focused optimization is needed to reach its full potential.

Analysis by StackOptic AIDec 30, 2025

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