webukatu.com

We performed a comprehensive analysis of webukatu.com on 2026-06-28. The website returned an HTTP 200 status code with a server response time of 15865ms. The page is served over HTTP/1.1 protocol, however no compression (Gzip or Brotli) is enabled, which means the page is transferred at its full uncompressed size. The total page weight is 172 KB. Warning: The website does not have a valid SSL certificate. Visitors may see security warnings in their browser, and data transmitted to and from this website is not encrypted. The security headers analysis reveals a score of 0/100 (poor). No security headers are configured, which is a significant security concern. However, the site is missing Content-Security-Policy, Strict-Transport-Security (HSTS), X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy, which could expose the site and its users to cross-site scripting (XSS), clickjacking, and other web-based attacks. Our technology detection scan identified 11 technologies across 10 categories powering webukatu.com. The detected stack includes Bootstrap 3.0.0, Webpack, Google Analytics 4, Google Tag Manager, Meta Pixel, Twitter Pixel, Cloudflare, Google Fonts, YouTube Embed, jQuery 2.1.1., and Font Awesome. Based on our comprehensive analysis of domain age, SSL configuration, email authentication, security headers, and blacklist status, webukatu.com receives an overall trust score of 59/100, classified as "Caution Advised".

After conducting a thorough safety and legitimacy analysis, webukatu.com receives a trust score of 59/100, which places it in the "Caution Advised" category. This score is calculated by evaluating multiple factors including SSL certificate validity, domain registration history, email authentication protocols, security header configuration, and blacklist status across major threat intelligence databases. The analysis identified several positive trust signals: a valid HTTPS connection protecting data in transit, SPF (Sender Policy Framework) email authentication preventing email spoofing, and DMARC email authentication with a quarantine policy. Areas of concern include: the absence of a Content-Security-Policy header, which leaves the site more vulnerable to cross-site scripting (XSS) attacks, no X-Frame-Options header, which could allow the site to be embedded in malicious iframes (clickjacking), missing Referrer-Policy, potentially leaking URL information to third parties, the domain's WHOIS information is hidden behind a privacy service, making it harder to verify the owner's identity, and DNSSEC is not enabled, leaving DNS queries vulnerable to spoofing attacks. While these issues don't necessarily indicate malicious intent, they represent areas where the website's security posture could be improved. We checked webukatu.com against 8 major blacklist databases including Google Safe Browsing, Phishtank, Urlhaus, Openphish, Dnsfilter, Spamhaus Dbl, Surbl, and Virustotal. The domain passed all 8 checks with a clean status, meaning it has not been flagged for phishing, malware distribution, spam, or other malicious activities by any of the tested threat intelligence providers.

Our technology detection engine scanned webukatu.com and identified 11 distinct technologies across 10 categories. This analysis is performed by examining HTTP response headers, HTML source code patterns, JavaScript library fingerprints, CSS framework signatures, and DNS records. CSS Framework: Bootstrap (version 3.0.0) — provides the styling and responsive layout system for webukatu.com. Build Tool: Webpack — bundles and optimizes the JavaScript and CSS assets for webukatu.com. Analytics: Google Analytics 4 — tracks visitor behavior and provides traffic insights for webukatu.com. Tag Manager: Google Tag Manager — manages marketing and analytics tags without code changes for webukatu.com. Advertising: Meta Pixel and Twitter Pixel — handles advertising pixel tracking and conversion measurement for webukatu.com. CDN: Cloudflare — accelerates content delivery by caching assets at edge locations worldwide for webukatu.com. Fonts: Google Fonts — delivers web fonts for typography for webukatu.com. Video: YouTube Embed — provides video hosting and playback for webukatu.com. JavaScript Library: jQuery (version 2.1.1.) — provides utility functions and DOM manipulation for webukatu.com. Icon Set: Font Awesome — provides additional functionality for webukatu.com. We also extracted the following tracking identifiers: Google Tag Manager container GTM-NM5LGF6. These IDs can be used to identify other websites operated by the same organization.

webukatu.com delivers its homepage in 15865ms (server response time), which is considered slow by industry standards. The total page weight is 172 KB, and we detected 259 resource requests loading assets from 23 third-party domains. A high number of third-party domains can significantly impact page load time due to additional DNS lookups and TLS handshakes required for each domain. No compression is currently enabled on webukatu.com. Enabling Brotli or Gzip compression could reduce page size by 60-80% for text-based assets (HTML, CSS, JavaScript), significantly improving load times and reducing bandwidth costs. This is one of the simplest and most impactful performance optimizations available. Asset minification status: 1 out of 11 CSS files and 7 out of 15 JavaScript files are minified. Minifying the remaining 18 unminified file(s) could further reduce page weight by 10-30% for those assets. Minification is a best practice that reduces download sizes without affecting functionality. From an environmental perspective, each page view of webukatu.com produces approximately 0.08g of CO₂, earning a carbon rating of A. This places the website among the cleanest on the web, demonstrating efficient use of server resources and optimized content delivery. For reference, the average web page produces about 0.5g of CO₂ per page view. The page weight of 172 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for webukatu.com. This typically means the site doesn't have enough real-world Chrome user traffic to generate statistically significant field data, or the domain is not included in the CrUX dataset. Core Web Vitals (LCP, INP, CLS) are important Google ranking factors that measure real user experience.

webukatu.com resolves to the IPv4 address 153.120.52.202, but does not support IPv6. IPv6 adoption is increasingly important as IPv4 address space becomes exhausted, and some ISPs and regions are transitioning to IPv6-only connectivity. The domain has 1 A record(s) configured. The domain name system is managed by 2 name servers: ns1.dns.ne.jp and ns2.dns.ne.jp. Having 2 name servers provides good redundancy — if one fails, the others can continue serving DNS queries. The choice of name servers often indicates the DNS hosting provider or CDN service being used. Email for webukatu.com is handled by webukatu.com with 1 MX records configured: webukatu.com. Multiple MX records provide failover redundancy — if the primary mail server is unavailable, email will be routed to the next available server. SPF (Sender Policy Framework) is configured, which specifies which mail servers are authorized to send email on behalf of this domain. This helps prevent email spoofing and improves email deliverability. DMARC (Domain-based Message Authentication, Reporting and Conformance) is configured with a quarantine policy — a moderate setting, directing unauthorized emails to spam/junk folders. DKIM was not detected. Without DKIM, recipients cannot cryptographically verify that emails claiming to be from this domain are authentic. DNSSEC is not enabled for webukatu.com. While not critical for most websites, DNSSEC adds an important security layer by ensuring DNS responses haven't been tampered with during transit. Enabling DNSSEC is recommended for domains handling sensitive data or financial transactions. Our subdomain enumeration scan discovered 3 active subdomains for webukatu.com: ftp.webukatu.com, mail.webukatu.com, and www.webukatu.com. Active subdomains can reveal the organization's infrastructure, including development environments, API endpoints, and third-party service integrations.

The homepage of webukatu.com contains 611 words of visible text content. This is a moderate amount of content. The page is structured with 21 H2 headings, 0 H3 headings, 0 H4 headings. The page includes 55 images. 2 images (4%) are missing alt text attributes, which is a significant concern for both accessibility and SEO. Screen readers rely on alt text to describe images to visually impaired users, and search engines use alt text to understand image content. Only 96% of images have proper alt text — we recommend adding descriptive alt attributes to all images. The link structure consists of 85 internal links pointing to other pages on the same domain and 12 external links pointing to third-party websites. There are 15 external JavaScript files, 11 CSS stylesheets, and 2 iframes on the page. Notable missing features: XML Sitemap, robots.txt, and Schema.org structured data. Adding these could improve search engine discoverability and rich result eligibility. The website has social media presence across 1 platforms: Twitter (@uwt.js). An active social media presence is a positive trust indicator and helps build brand awareness and customer engagement.

The title tag for webukatu.com is good at 67 characters: "本気で収入を上げたい人のためのオンラインプログラミング学習スクール | 【入門】初心者向けプログラミング学習スクール「ウェブカツ!!」". The length is acceptable, though it may be slightly truncated in some search result displays. The meta description is 89 characters (well-optimized): "未経験から１年で年収１千万以上稼ぎ続ける有名エンジニアが教える【どこよりも分かりやすく】学べ【どこよりも効率的】で【どこよりも実践的】な初心者向けプログラミング学習スクールとは？". Google typically displays up to 155-160 characters of the meta description in search results. A compelling meta description with a clear call-to-action can significantly improve click-through rates from search results. The canonical url is correctly set to https://webukatu.com/, preventing duplicate content issues, the page language is declared as ja, and a favicon is configured. Open Graph meta tags are configured with 4/4 recommended fields: OG title ("本気で収入を上げたい人のためのオンラインプログラミング学習スクール..."), OG description, OG image (social sharing thumbnail), OG type (website). These tags control how the page appears when shared on Facebook, LinkedIn, and other social media platforms that support the Open Graph protocol. A Twitter Card of type summary_large_image is configured, which controls how links appear when shared on Twitter/X. The "summary_large_image" type displays a large image preview, which typically generates higher engagement rates than the basic card type. The meta keywords tag contains 5 terms including プログラミング, スクール, 初心者, 入門, and 学習. Note: Google has officially confirmed that it does not use the meta keywords tag as a ranking signal. However, some other search engines (Bing, Yandex) may still reference it.