21.co.uk

The 21.co.uk domain, a top-rated online casino platform catering to UK players, boasts a trust score of 74, indicating a "Likely Safe" verdict. With a response time of 18,130ms, the site is moderately fast, but not exceptional. The use of TLS 1.3 encryption ensures secure connections.

The trust score of 74 is a testament to the domain's reputation and credibility. The presence of an SSL certificate issued by DigiCert Inc, a well-established and reputable certificate authority, adds to the trust factor. Additionally, the domain's use of SPF and DMARC records demonstrates a commitment to email security.

A closer look at the domain's technology stack reveals a mix of popular frameworks, including Next.js, Angular, React, Webpack, and Google Tag Manager. This diverse set of technologies suggests a well-planned and well-executed development strategy. The use of these frameworks also implies a high degree of customizability and flexibility.

21.co.uk delivers its homepage in 18130ms (server response time), which is considered slow by industry standards. The total page weight is 1140 KB, and we detected 528 resource requests loading assets from 14 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. The website uses Gzip compression for text-based assets, achieving an estimated 60.0% reduction in transfer size. This reduces bandwidth usage and improves page load times, especially for visitors on slower connections. Asset minification status: 0 out of 0 CSS files and 0 out of 134 JavaScript files are minified. Minifying the remaining 134 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. The site is served through a Content Delivery Network (CDN), which caches static assets at edge servers around the world. This means visitors from different geographic regions receive content from the nearest edge server, significantly reducing latency. CDN usage is particularly important for websites with a global audience, as it can reduce page load times by 40-60% for distant visitors. From an environmental perspective, each page view of 21.co.uk produces approximately 0.56g of CO₂, earning a carbon rating of D. The website's carbon footprint could be reduced by optimizing images, enabling compression, reducing third-party scripts, and leveraging caching. For reference, the average web page produces about 0.5g of CO₂ per page view. The page weight of 1140 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for 21.co.uk. 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.

The domain's IP address, 45.60.111.67, is registered to Google Workspace, a cloud-based productivity suite. This suggests a strong focus on scalability and reliability. The page size of 1,140KB is relatively moderate, indicating a well-balanced approach to content and design.

The homepage of 21.co.uk contains 2,447 words of visible text content. This is a substantial amount of content that provides good opportunities for search engine indexing. The page is structured with 15 H2 headings, 5 H3 headings, 3 H4 headings, 7 H5, and 18 H6 headings. The page includes 186 images. All images have proper alt text attributes ✓, which is excellent for both accessibility (screen readers) and SEO (search engines can understand image content). The link structure consists of 185 internal links pointing to other pages on the same domain and 17 external links pointing to third-party websites. The high number of internal links suggests a well-interconnected site structure, which helps search engines discover and crawl all pages efficiently. There are 134 external JavaScript files, 0 CSS stylesheets, and 0 iframes on the page. The site implements the following web standards and features: robots.txt (controls search engine crawling behavior) and Progressive Web App (PWA) manifest (enabling app-like installation). Notable missing features: XML Sitemap and Schema.org structured data. Adding these could improve search engine discoverability and rich result eligibility. We detected the following payment methods accepted on 21.co.uk: Visa, Mastercard, Discover, and Apple Pay. Offering multiple payment options including credit cards and digital wallets improves customer trust and can increase conversion rates. The website has social media presence across 4 platforms: Facebook (@21.co.uk), Twitter (@21couk), Instagram (@21.co.uk), and Youtube (@UCNwlz8k3VqPba8volHZ05xw). An active social media presence is a positive trust indicator and helps build brand awareness and customer engagement.

The domain's word count of 2,447 is substantial, suggesting a comprehensive approach to content creation. The 186 images used throughout the site are likely to enhance user engagement. The title "Top UK Casino Online | Play Online Casino Games at 21.co.uk" effectively conveys the site's purpose and target audience. Overall, the site appears well-designed for search engines, with a good balance of content and visuals.