4.5 sec in total
344 ms
2.2 sec
1.9 sec
Click here to check amazing Vltava Run content for Czech Republic. Otherwise, check out these important facts you probably never knew about vltavarun.cz
Visit vltavarun.czWe analyzed Vltavarun.cz page load time and found that the first response time was 344 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
vltavarun.cz performance score
name
value
score
weighting
Value2.8 s
56/100
10%
Value16.8 s
0/100
25%
Value5.9 s
48/100
10%
Value730 ms
40/100
30%
Value0.057
98/100
15%
Value14.5 s
8/100
10%
344 ms
303 ms
23 ms
91 ms
175 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 47% of them (28 requests) were addressed to the original Vltavarun.cz, 20% (12 requests) were made to Scontent.cdninstagram.com and 5% (3 requests) were made to C.imedia.cz. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Vltavarun.cz.
Page size can be reduced by 658.7 kB (11%)
6.0 MB
5.3 MB
In fact, the total size of Vltavarun.cz main page is 6.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 5.3 MB which makes up the majority of the site volume.
Potential reduce by 13.0 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 13.0 kB or 68% of the original size.
Potential reduce by 136.8 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. Vltava Run images are well optimized though.
Potential reduce by 280.8 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 280.8 kB or 63% of the original size.
Potential reduce by 228.1 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. Vltavarun.cz needs all CSS files to be minified and compressed as it can save up to 228.1 kB or 83% of the original size.
Number of requests can be reduced by 19 (35%)
55
36
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vltava Run. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
vltavarun.cz
344 ms
index
303 ms
css
23 ms
web.css
91 ms
web-768.css
175 ms
web-992.css
180 ms
web-1382.css
178 ms
modernizr-2.0.6.min.js
179 ms
jquery.js
271 ms
netteForms.js
216 ms
main.js
261 ms
jquery.fancybox.css
264 ms
jquery.fancybox.js
265 ms
jquery.cycle.lite.js
264 ms
instafeed.min.js
268 ms
retargeting.js
326 ms
print.css
177 ms
dc.js
43 ms
45974s.png
857 ms
1s.png
881 ms
1s.png
890 ms
retargeting
142 ms
enflag.png
138 ms
kolaz.jpg
669 ms
logo-bg.png
137 ms
sipka.png
137 ms
facebook.png
137 ms
instagram.png
166 ms
runchat.png
193 ms
nbg.jpg
588 ms
logo-razitko.png
193 ms
NikeLunarEpic.jpg
1178 ms
N%C3%A1plavn%C3%AD_1.jpg
1171 ms
triko2016potisk.jpg
446 ms
recent
387 ms
__utm.gif
50 ms
uHdSqkEFmjs
94 ms
analytics.js
25 ms
retargeting
140 ms
counter.png
134 ms
collect
13 ms
www-embed-player-vflfNyN_r.css
52 ms
www-embed-player.js
102 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
86 ms
ad_status.js
184 ms
2UX7WLTfW3W8TclTUvlFyQ.woff
156 ms
RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff
181 ms
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161 ms
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155 ms
vltavarun.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.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
vltavarun.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
vltavarun.cz SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vltavarun.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Vltavarun.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.
vltavarun.cz
Open Graph description is not detected on the main page of Vltava Run. 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: