2.4 sec in total
470 ms
1.8 sec
106 ms
Visit us.navrcholu.cz now to see the best up-to-date Us NAVRCHOLU content for Czech Republic and also check out these interesting facts you probably never knew about us.navrcholu.cz
uživatelský systém Navrcholu.cz
Visit us.navrcholu.czWe analyzed Us.navrcholu.cz page load time and found that the first response time was 470 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster. This domain responded with an error, which can significantly jeopardize Us.navrcholu.cz rating and web reputation
us.navrcholu.cz performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value5.5 s
19/100
25%
Value4.4 s
73/100
10%
Value230 ms
87/100
30%
Value0
100/100
15%
Value4.5 s
82/100
10%
470 ms
180 ms
308 ms
648 ms
199 ms
Our browser made a total of 15 requests to load all elements on the main page. We found that 33% of them (5 requests) were addressed to the original Us.navrcholu.cz, 40% (6 requests) were made to I.iinfo.cz and 13% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (648 ms) belongs to the original domain Us.navrcholu.cz.
Page size can be reduced by 253.4 kB (73%)
348.9 kB
95.6 kB
In fact, the total size of Us.navrcholu.cz main page is 348.9 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. 25% of websites need less resources to load. Javascripts take 340.6 kB which makes up the majority of the site volume.
Potential reduce by 4.5 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 4.5 kB or 61% of the original size.
Potential reduce by 9 B
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. Us NAVRCHOLU images are well optimized though.
Potential reduce by 248.9 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 248.9 kB or 73% of the original size.
Number of requests can be reduced by 3 (30%)
10
7
The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Us NAVRCHOLU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
us.navrcholu.cz
470 ms
cssloader-110c08afb0ec-global.css
180 ms
cssloader-cea9d121de24-common.css
308 ms
jsloader-9804ea52514f.js
648 ms
73419978.js
199 ms
jsloader-79d0c947a738.js
423 ms
ga.js
71 ms
event
17 ms
logo.gif
367 ms
ico-info.png
482 ms
ico-highlight.png
599 ms
logo-iinfo.png
612 ms
reg_button.png
591 ms
corner_white_t.png
594 ms
__utm.gif
11 ms
us.navrcholu.cz accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
us.navrcholu.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
us.navrcholu.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Us.navrcholu.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 Us.navrcholu.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.
us.navrcholu.cz
Open Graph description is not detected on the main page of Us NAVRCHOLU. 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: