From June 17, 2021, up until now, which is a period of 1 683 days, the availability of previo.cz has been checked 17 times. Previo.cz returned a code 200 and was reachable 16 times out of all conducted tests, the last time being on November 15, 2025. According to the checks, previo.cz experienced zero downtime as of January 26, 2026. 1 responses encountered errors, with code 403 being the most recent error received on December 21, 2025. On December 21, 2025, previo.cz had a 0.072 seconds response time, differing from its 1.103 seconds average.
| Russia | 100.00% | ||||||||
| 18:20 | |||||||||
| Site | Total Checks | Last Modified |
|---|---|---|
| 9 | June 29, 2021 | |
| 6 | January 17, 2025 | |
| 17 | June 17, 2021 | |
| 1 | January 26, 2026 | |
| 3 | November 20, 2024 |
Worldscientific.com | Previo.cz | ||||
|---|---|---|---|---|---|
| Page Title | Robots.txt files may reference URL paths influencing title standards, though explicit directives about title lengths per search requirement are rare, suggesting familiar self-education about the needed 60-character maximum remains universal. |
|---|---|
| Hotelový a rezervační systém pro ubytovatele | Previo Length: 75 characters | |
| Meta Description | Maintain consistency between your meta description and the actual page content; ensure the description accurately reflects what users will find when they click through, building trust and reducing bounce rates. |
| Kompletní hotelový software PREVIO: správa rezervací, housekeeping, fakturace i booking engine. Řešení pro hotely, penziony a apartmány. Length: 186 characters | |
| Meta Keywords | While meta keywords might offer marginal utility in extremely niche or less sophisticated search engines, relying on them for primary SEO is a risky and outdated approach, as leading platforms consistently ignore keyword tags in favor of more advanced ranking mechanisms. |
| no meta keywords data for previo.cz 2026-01-26T12:17:34+00:00 | |
| Page Content | Design page content with both user experience and search engine algorithms in mind, balancing keyword optimization with natural readability, fast-loading multimedia, and mobile responsiveness for optimal performance. |
| Web Page Content Length: 62958 characters | |
| H1 Heading | Ensure all H1 headers are correctly implemented in your website's HTML source code to avoid technical SEO errors that might prevent search engines from properly indexing your page content. |
| Nejrozšířenější hotelový systém na českém trhu. Přidejte se k 4 976 ubytovatelům. Count: 1 heading tag | |
| H2 Headings | For optimal SEO, ensure your H2 tags incorporate secondary long-tail keywords naturally related to your main page focus, enhancing semantic relevance and ranking potential. |
| Adventní kalendář Hotelový systém Virtuální recepční Alfred Weby pro hotely Channel manager Automatizace hotelů Klientská linka Rezervační systém Recepční software Rezervační portály Housekeeping aplikace Tvorba webových stránek Vždy jsme tu pro Vás Více rezervací, více času Spokojení hoteliéři Málem jsme zapomněli. Proč on-line hotelový systém? Proč od Previa? Count: 16 heading tag | |
| H3 Headings | Develop H3 headers that incorporate valuable keywords related to the specific subtopic they introduce, thereby improving your page's ranking potential for those niche terms and phrases. |
| Školení a technická podpora Bezpečnost a dostupnost Prověřený systém Máte další otázky? Užitečné odkazy Produkty Ceny O nás Count: 8 heading tag | |
| H4 Headings | H4 tags play a vital role in content segmentation, visually separating distinct ideas or steps within a longer-form article to maintain reader engagement and focus. |
| Klientská linka: Napište nám: Sledujte nás: Hlavní partneři: Count: 4 heading tag | |
| H5-H6 Headings | Ensure sufficient color contrast and font size differentiation for H5-H6 headers to meet WCAG accessibility standards, benefiting visually impaired users. |
| no h5-h6 headings data for previo.cz 2026-01-26T12:17:34+00:00 | |
| Image ALT Attributes | Always include descriptive alt text that accurately explains the image content for accessibility and SEO, helping screen readers convey meaningful information to visually impaired users while potentially incorporating relevant keywords naturally for improved search engine visibility without keyword stuffing. |
| https://previo.cz/wp-content/uploads/2025/01/previo_coloured.png Count: 1 images with ALT attributes | |
| Robots.txt | While `robots.txt` helps manage which pages are crawled, ensure your internal linking structure is robust so all crucial pages, especially newly created ones in `/news` or updated content in `/blog/`, are easily discoverable by search engine bots even if not explicitly allowed by your `robots.txt` rules for all user-agents. |
| file robots.txt was found on the website | |
| XML Sitemap | An XML sitemap can be strategically used to guide crawlers towards newly created content or sections under development, ensuring these important additions are indexed promptly, while also providing a mechanism to temporarily exclude URLs from crawling and indexing if they contain sensitive or non-public information. |
| no xml sitemap data for previo.cz 2026-01-26T12:17:34+00:00 | |
| Page Size | For optimal SEO performance, analyze your page speed metrics and prioritize reducing large file sizes, especially JavaScript bundles, to ensure swift rendering for crawlers and users. |
| page size: 61 kb | |
| Response Time | A key factor influencing website speed is the server's response time; prioritize migrating to a faster hosting environment, leveraging content delivery networks (CDNs), and optimizing static file delivery methods to lower latency significantly. |
| response time: 1.103 sec | |
| Minify CSS | Utilize modern CSS minification scripts or plugins to systematically eliminate all whitespace, line breaks, and debugging aids from your stylesheets, significantly reducing their download weight, accelerating page loads, improving Core Web Vitals scores like Lighthouse suggests, and consequently boosting search rankings. |
| Minified: https://previo.cz/wp-content/themes/previo/style.css https://previo.cz/wp-content/themes/previo/dist/css/blocks/support-widget.css https://previo.cz/wp-content/themes/previo/dist/css/blocks/contact-widget.css https://previo.cz/wp-content/themes/previo/dist/css/blocks/partners-widget.css https://previo.cz/wp-content/themes/previo/dist/css/blocks/slideshow.css https://previo.cz/wp-content/themes/previo/dist/css/blocks/previo-editor.css https://previo.cz/wp-content/themes/previo/dist/css/blocks/promo-products.css https://previo.cz/wp-content/themes/previo/dist/css/blocks/previo-button.css https://previo.cz/wp-content/themes/previo/dist/css/blocks/contact-bar.css https://previo.cz/wp-content/themes/previo/dist/css/blocks/info-tiles.css https://previo.cz/wp-content/themes/previo/dist/css/blocks/carousel.css https://previo.cz/wp-content/themes/previo/dist/css/blocks/services.css https://previo.cz/wp-includes/css/dist/block-library/style.min.css?ver=6.9 https://previo.cz/wp-content/plugins/complianz-gdpr/assets/css/cookieblocker.min.css?ver=1757049327 https://previo.cz/wp-content/themes/previo/dist/css/styles.css?ver=1.0.2 https://use.fontawesome.com/releases/v6.5.1/css/all.css https://use.fontawesome.com/releases/v6.5.1/css/v4-shims.css Unminified: https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Urbanist:ital,wght@0,100..900;1,100..900&display=swap included in the page | |
| Minify JavaScript | Integrating JavaScript minification into your development workflow is essential for optimizing website performance and SEO, as smaller scripts load quicker, parse faster, and contribute to faster overall page load speeds that search engines prioritize. |
| Minified: https://cdn.jsdelivr.net/npm/vue@3/dist/vue.global.prod.js https://previo.cz/wp-content/themes/previo/dist/js/bundle.js?ver=1.0.1 https://previo.cz/wp-content/plugins/complianz-gdpr/cookiebanner/js/complianz.min.js?ver=1757049332 detected during site scan | |
| Structured Data | Google actively uses structured markup to understand page content better. By adding schema to your website, you provide this vital context, which helps search engines categorize your content accurately and potentially surface it for specialized search features and queries related to your topic. |
| no structured data data for previo.cz 2026-01-26T12:17:34+00:00 | |
| CDN Usage | Configure your CDN's security headers, such as Strict-Transport-Security (HSTS) and Content Security Policy (CSP), through the platform settings to enhance site security, which is a crucial ranking factor for search engines like Google. |
| content is delivered via CDN | |
| SSL certificates | SSL certificates are no longer optional website extras; they represent a fundamental security baseline that all legitimate and reputable websites must adhere to, directly influencing user perception of your online business or organization's credibility and professionalism. |
| SSL is enabled on the website |