6.4 sec in total
1.6 sec
4.6 sec
180 ms
Click here to check amazing Tznj content for Czech Republic. Otherwise, check out these important facts you probably never knew about tznj.cz
Visit tznj.czWe analyzed Tznj.cz page load time and found that the first response time was 1.6 sec and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
tznj.cz performance score
name
value
score
weighting
Value21.5 s
0/100
10%
Value50.9 s
0/100
25%
Value51.7 s
0/100
10%
Value7,090 ms
0/100
30%
Value0.057
98/100
15%
Value55.3 s
0/100
10%
1592 ms
719 ms
611 ms
609 ms
615 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 94% of them (46 requests) were addressed to the original Tznj.cz, 4% (2 requests) were made to Solicad.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Tznj.cz.
Page size can be reduced by 216.6 kB (18%)
1.2 MB
961.1 kB
In fact, the total size of Tznj.cz main page is 1.2 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 983.3 kB which makes up the majority of the site volume.
Potential reduce by 36.2 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 36.2 kB or 81% of the original size.
Potential reduce by 68.9 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. Tznj images are well optimized though.
Potential reduce by 82.1 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 82.1 kB or 72% of the original size.
Potential reduce by 29.4 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. Tznj.cz needs all CSS files to be minified and compressed as it can save up to 29.4 kB or 83% of the original size.
Number of requests can be reduced by 25 (53%)
47
22
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tznj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
tznj.cz
1592 ms
style.css
719 ms
cssverticalmenu.css
611 ms
settings.css
609 ms
cssverticalmenu.js
615 ms
stylesheet_combined_6dd806fdfe5a09530e62f584aebfe89a.css
645 ms
jquery.js
840 ms
jquery.js
44 ms
jquery.themepunch.plugins.min.js
867 ms
jquery.themepunch.kenburn.min.js
1003 ms
kreslime-ve-2d-3d-progecad-01.png
797 ms
background.png
160 ms
line.png
150 ms
logo.png
267 ms
1_seceni.jpg
472 ms
2_cnc_strojar.jpg
690 ms
3_laborator.jpg
695 ms
4_truhlar.jpg
524 ms
4a_botanika.jpg
621 ms
5_zednik.jpg
612 ms
msk-logo.png
606 ms
r_grey.png
690 ms
s_grey.png
742 ms
i_grey.png
747 ms
m_grey.png
745 ms
g-grey.png
819 ms
p_grey.png
827 ms
h_grey.png
822 ms
k-grey.png
876 ms
z_grey.png
876 ms
j_grey.png
875 ms
facebook-icon24.png
979 ms
United-Kingdom-icon.png
982 ms
Germany-icon.png
981 ms
ctverec_ok_gesto_blue.jpg
1026 ms
facebook_najdete.gif
1023 ms
ctverec_student.jpg
1450 ms
ctverec_pasco.jpg
1323 ms
logo_upol_nazev.jpg
1128 ms
ctverec_firma.jpg
1126 ms
line_blue%20%E2%80%93%20kopie.png
1164 ms
arrow.gif
1157 ms
vertiline.gif
1242 ms
preloader.gif
1217 ms
www.tznj.cz
2147 ms
thumbshadow_left.png
1281 ms
thumbshadow_repeat.png
1339 ms
thumbshadow_right.png
1285 ms
kreslime-ve-2d-3d-progecad-01.png
290 ms
tznj.cz accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
button, link, and menuitem elements do not have accessible names.
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
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>).
tznj.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
tznj.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 Tznj.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 Tznj.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.
tznj.cz
Open Graph description is not detected on the main page of Tznj. 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: