7.4 sec in total
1.7 sec
4.1 sec
1.6 sec
Click here to check amazing Gnb content for Czech Republic. Otherwise, check out these important facts you probably never knew about gnb.cz
Visit gnb.czWe analyzed Gnb.cz page load time and found that the first response time was 1.7 sec and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
gnb.cz performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value7.9 s
3/100
25%
Value9.6 s
11/100
10%
Value6,260 ms
0/100
30%
Value0.049
99/100
15%
Value16.1 s
6/100
10%
1704 ms
361 ms
253 ms
257 ms
566 ms
Our browser made a total of 113 requests to load all elements on the main page. We found that 95% of them (107 requests) were addressed to the original Gnb.cz, 4% (5 requests) were made to Img10.rajce.idnes.cz and 1% (1 request) were made to Gymplroku.cz. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Gnb.cz.
Page size can be reduced by 330.7 kB (13%)
2.6 MB
2.2 MB
In fact, the total size of Gnb.cz main page is 2.6 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. 35% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 126.1 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. This page needs HTML code to be minified as it can gain 79.9 kB, which is 56% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 126.1 kB or 88% of the original size.
Potential reduce by 37.3 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. Gnb images are well optimized though.
Potential reduce by 125.8 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 125.8 kB or 69% of the original size.
Potential reduce by 41.5 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. Gnb.cz needs all CSS files to be minified and compressed as it can save up to 41.5 kB or 87% of the original size.
Number of requests can be reduced by 19 (17%)
112
93
The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gnb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
gnb.cz
1704 ms
style.css
361 ms
ddsmoothmenu.css
253 ms
jquery.fancybox-1.3.1.css
257 ms
jquery.min.js
566 ms
ddsmoothmenu.js
455 ms
menu.js
364 ms
contentslider.js
400 ms
cufon-yui.js
490 ms
Tahoma_400-Tahoma_700.font.js
711 ms
jquery.fancybox-1.3.1.js
526 ms
lightbox.js
562 ms
animatedcollapse.js
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collapse.js
633 ms
banner.js
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topban15.jpg
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content_bg.gif
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black.png
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arrow_white.png
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buttonone.gif
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logo-khk.gif
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FP-2016-chemie-min.jpg
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comment.gif
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futsal2016-min.jpg
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rakosnicek.jpg
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brusleni-zaci-2016-min.jpg
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cambridge-certifikat-2015-min.jpg
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matrix2015-min.jpg
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bygoviny-logo.gif
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logo-uhk.jpg
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logo-eucentrum.jpg
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logo-datwyler-2.jpg
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logognb4.gif
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header_bg2.png
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nav_bg.png
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down.png
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dropdown_shadow.png
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staff.gif
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student.gif
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video_bg3.gif
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download_icon.gif
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tick.png
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grey_bg.gif
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arrow_black.gif
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shadow.gif
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affiliation.gif
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footer.gif
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top.gif
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gnb.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
Links do not have a discernible name
<object> elements do not have alternate text
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
gnb.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
gnb.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
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
WINDOWS-1250
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gnb.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 Gnb.cz main page’s claimed encoding is windows-1250. 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.
gnb.cz
Open Graph description is not detected on the main page of Gnb. 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: