dig.vkol.cz: VKOL - Digitální knihovna historických fondů
Digitální knihovna historických fondů. Archiv rukopisů, prvotisků a starých tisků digitalizovaných v rámci projektů VISK 2000-2003, RISK 1999 a Clavis.
Page load speed analysis
Total page load time
Original 21.4 kB
After minification 21.3 kB
After compression 6.2 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 15.2 kB or 71% of the original size.
Original 22.7 kB
After minification 19.1 kB
After compression 5.9 kB
Network requests diagram
Our browser made a total of 7 requests to load all elements on the main page. We found that 43% of them (3 requests) were addressed to the original Dig.vkol.cz, 29% (2 requests) were made to Google-analytics.com and 14% (1 request) were made to C1.navrcholu.cz. The less responsive or slowest element that took the longest time to load (742 ms) belongs to the original domain Dig.vkol.cz.
Additional info on dig.vkol.cz
Possible request optimization
Dig.vkol.cz uses IP address which is currently shared with 2 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.
Language and encoding
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dig.vkol.cz can be misinterpreted by Google and other search engines. Our service has detected that Latin is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dig.vkol.cz main page’s claimed encoding is iso-8859-2. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
Dig.vkol.cz has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.
Visitor World Map
Country of origin for 100% of all visits is Czech Republic. It’s good for Dig.vkol.cz that their server is also located in Czech Republic, as that enables the majority of their visitors to benefit from a much faster page load time.
Social Sharing Optimization
Open Graph description is not detected on the main page of Dig VKOL. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:
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