3.1 sec in total
617 ms
2.3 sec
116 ms
Welcome to unesco-czech.cz homepage info - get ready to check UNESCO Czech best content for Czech Republic right away, or after learning these important things about unesco-czech.cz
Oficiální webové stránky sdružení České dědictví UNESCO představující památky v České republice zapsané do seznamu světového dědictví UNESCO a města, ve kterých se nacházejí.
Visit unesco-czech.czWe analyzed Unesco-czech.cz page load time and found that the first response time was 617 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
unesco-czech.cz performance score
name
value
score
weighting
Value7.5 s
1/100
10%
Value14.1 s
0/100
25%
Value11.3 s
5/100
10%
Value170 ms
93/100
30%
Value0.023
100/100
15%
Value9.9 s
27/100
10%
617 ms
229 ms
530 ms
766 ms
225 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 70% of them (21 requests) were addressed to the original Unesco-czech.cz, 17% (5 requests) were made to Google-analytics.com and 10% (3 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (766 ms) belongs to the original domain Unesco-czech.cz.
Page size can be reduced by 305.5 kB (64%)
476.4 kB
170.9 kB
In fact, the total size of Unesco-czech.cz main page is 476.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 381.4 kB which makes up the majority of the site volume.
Potential reduce by 31.0 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 31.0 kB or 81% of the original size.
Potential reduce by 1.9 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. UNESCO Czech images are well optimized though.
Potential reduce by 248.1 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 248.1 kB or 65% of the original size.
Potential reduce by 24.4 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Unesco-czech.cz needs all CSS files to be minified and compressed as it can save up to 24.4 kB or 82% of the original size.
Number of requests can be reduced by 18 (67%)
27
9
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UNESCO Czech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
www.unesco-czech.cz
617 ms
layout.css
229 ms
jquery.js
530 ms
jquery-ui.js
766 ms
scrollable.js
225 ms
zoommap.js
225 ms
embed.js
233 ms
formmap.js
333 ms
efdf562ce2fb0ad460fd8e9d33e57f571eaf3
136 ms
arrow.jpg
109 ms
980a875ff6ef9c2d75e74307cbf5d2051ef1b
458 ms
external2.gif
113 ms
map_circle.gif
115 ms
map.jpg
217 ms
analytics.js
13 ms
arrow_left_mainpage.gif
204 ms
arrow_right_mainpage.gif
211 ms
icon02.jpg
230 ms
icon03.jpg
308 ms
icon01.jpg
314 ms
dot.asp
215 ms
collect
31 ms
ga.js
6 ms
dc.js
31 ms
__utm.gif
12 ms
__utm.gif
3 ms
collect
61 ms
collect
59 ms
analyzer.php
124 ms
print.css
118 ms
unesco-czech.cz accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Links do not have a discernible name
unesco-czech.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
unesco-czech.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Unesco-czech.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Unesco-czech.cz main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
unesco-czech.cz
Open Graph data is detected on the main page of UNESCO Czech. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: