blesk.cz

Insights into the domain "blesk.cz" reveal a website that is likely safe, with a trust score of 63. The domain's performance is notable, with a fast response time of 12,082ms and a 200 HTTP status code. The presence of HTTPS encryption, achieved through Let's Encrypt, further enhances its credibility.

Our analysis suggests that "blesk.cz" has a trust score of 63, indicating a high level of trustworthiness. This is attributed to its HTTPS encryption, which ensures secure data transmission. Additionally, the domain's 200 HTTP status code and fast response time contribute to its overall trustworthiness.

The domain "blesk.cz" utilizes a range of technologies to deliver its content. Our analysis reveals the presence of Vite, Google Tag Manager, Meta Pixel, Google Fonts, and jQuery, indicating a focus on performance, analytics, and user experience. The use of these technologies suggests a commitment to delivering high-quality content to its users.

blesk.cz delivers its homepage in 12082ms (server response time), which is considered slow by industry standards. The total page weight is 662 KB, and we detected 876 resource requests loading assets from 48 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: 2 out of 6 CSS files and 4 out of 15 JavaScript files are minified. Minifying the remaining 15 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 blesk.cz produces approximately 0.32g of CO₂, earning a carbon rating of C. This is an average carbon footprint. Optimizing images and reducing unnecessary scripts could further improve this score. For reference, the average web page produces about 0.5g of CO₂ per page view. The page weight of 662 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for blesk.cz. 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 infrastructure supporting "blesk.cz" is robust, with a server located at IP address 91.235.52.165. The domain is registered with the registrar Google Workspace, and its email infrastructure is protected by SPF and DMARC protocols. The presence of these security measures ensures that the domain is well-protected against spam and other online threats.

The homepage of blesk.cz contains 2,257 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 13 H2 headings, 7 H3 headings, 1 H4 headings, 1 H5, and 0 H6 headings. The page includes 227 images. 71 images (31%) 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 69% of images have proper alt text — we recommend adding descriptive alt attributes to all images. The link structure consists of 255 internal links pointing to other pages on the same domain and 293 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 15 external JavaScript files, 6 CSS stylesheets, and 2 iframes on the page. The site implements the following web standards and features: XML Sitemap (helps search engines discover all pages), robots.txt (controls search engine crawling behavior), Schema.org structured data (NewsMediaOrganization and PostalAddress), and Progressive Web App (PWA) manifest (enabling app-like installation). The website has social media presence across 5 platforms: Facebook (@Blesk.cz), Twitter (@Blesk24), Instagram (@blesk.cz), Youtube (@Blesk_CZ), and Tiktok (@blesk.cz). An active social media presence is a positive trust indicator and helps build brand awareness and customer engagement.

Our analysis reveals that "blesk.cz" has a strong focus on search engine optimization (SEO). The domain's title is well-crafted, with a total word count of 2,257 words and 227 images. The presence of Google Fonts and jQuery suggests a focus on delivering high-quality content that is optimized for search engines. Overall, "blesk.cz" appears to be well-optimized for search engines, which is likely to drive traffic to the domain.