5.6 sec in total
1 sec
3.9 sec
603 ms
Visit jvranch.cz now to see the best up-to-date Jvranch content and also check out these interesting facts you probably never knew about jvranch.cz
úvod
Visit jvranch.czWe analyzed Jvranch.cz page load time and found that the first response time was 1 sec and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
jvranch.cz performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value7.4 s
4/100
25%
Value6.1 s
45/100
10%
Value200 ms
89/100
30%
Value0.019
100/100
15%
Value7.5 s
48/100
10%
1018 ms
672 ms
474 ms
399 ms
753 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 48% of them (22 requests) were addressed to the original Jvranch.cz, 20% (9 requests) were made to Jvranch.wbs.cz and 9% (4 requests) were made to Websnadno.cz. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Jvranch.cz.
Page size can be reduced by 217.8 kB (9%)
2.5 MB
2.3 MB
In fact, the total size of Jvranch.cz main page is 2.5 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. 30% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 20.9 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 20.9 kB or 75% of the original size.
Potential reduce by 101.8 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. Jvranch images are well optimized though.
Potential reduce by 89.6 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 89.6 kB or 67% of the original size.
Potential reduce by 5.5 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. Jvranch.cz needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 64% of the original size.
Number of requests can be reduced by 7 (20%)
35
28
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jvranch. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
jvranch.cz
1018 ms
www.jvranch.cz
672 ms
css.css
474 ms
direct_ajax[7].js
399 ms
jquery-1.7.1.min.js
753 ms
fancybox-1.3.4.js
527 ms
jquery.mousewheel-3.0.4.pack.js
414 ms
listovani.js
475 ms
fancybox-1.3.4.css
483 ms
auto_fancybox.js
484 ms
superfish.js
488 ms
css.css
126 ms
pattern.jpg
124 ms
logo_snimek_obrazovky_2015-12-03_v__11.21.37.png
254 ms
ustecky_2_150.png
1034 ms
dot.asp
211 ms
logo_pruhledny.png
251 ms
snimek_obrazovky_2015-11-12_v__18.51.46.png
252 ms
1236028_10200670487385373_2019659474_n.jpg
250 ms
1237789_10200670484385298_252306291_n.jpg
251 ms
37882_136149656418952_3638988_n.jpg
478 ms
67260_156809404352977_7219183_n.jpg
479 ms
tm_foto.jpg
480 ms
top50_150.png
1046 ms
mask.png
588 ms
h1.png
255 ms
menu_t.png
252 ms
menu.png
252 ms
hover.png
253 ms
menu_b.png
244 ms
content.jpg
361 ms
sdk.js
161 ms
widgets.jpg
308 ms
footer.jpg
311 ms
51 ms
xd_arbiter.php
138 ms
xd_arbiter.php
265 ms
ustecky_3_120.png
261 ms
1236028_10200670487385373_2019659474_n.jpg
364 ms
logo_pruhledny.png
935 ms
logo_snimek_obrazovky_2015-12-03_v__11.21.37.png
1179 ms
1237789_10200670484385298_252306291_n.jpg
486 ms
snimek_obrazovky_2015-11-12_v__18.51.46.png
1206 ms
37882_136149656418952_3638988_n.jpg
236 ms
67260_156809404352977_7219183_n.jpg
364 ms
tm_foto.jpg
467 ms
jvranch.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.
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
jvranch.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
jvranch.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 doesn't use legible font sizes
CS
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jvranch.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Jvranch.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.
jvranch.cz
Open Graph description is not detected on the main page of Jvranch. 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: