5.4 sec in total
345 ms
4.8 sec
303 ms
Visit svist21.cz now to see the best up-to-date Svist 21 content and also check out these interesting facts you probably never knew about svist21.cz
Váš web na 1. místě. Tvorba www stránek na míru, optimalizace SEO a zvýšení efektivity prodeje přes internet.
Visit svist21.czWe analyzed Svist21.cz page load time and found that the first response time was 345 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
svist21.cz performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value5.6 s
17/100
25%
Value6.8 s
35/100
10%
Value180 ms
92/100
30%
Value0.017
100/100
15%
Value4.7 s
80/100
10%
345 ms
1819 ms
124 ms
719 ms
129 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Svist21.cz, 63% (17 requests) were made to Clyde.cz and 26% (7 requests) were made to Data.svist21.cz. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Data.svist21.cz.
Page size can be reduced by 47.0 kB (13%)
365.7 kB
318.7 kB
In fact, the total size of Svist21.cz main page is 365.7 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. 15% of websites need less resources to load. Images take 301.4 kB which makes up the majority of the site volume.
Potential reduce by 13.1 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. 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 13.1 kB or 75% of the original size.
Potential reduce by 10.2 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. Svist 21 images are well optimized though.
Potential reduce by 34 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 23.6 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. Svist21.cz needs all CSS files to be minified and compressed as it can save up to 23.6 kB or 80% of the original size.
Number of requests can be reduced by 7 (28%)
25
18
The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Svist 21. 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 CSS and as a result speed up the page load time.
svist21.cz
345 ms
www.clyde.cz
1819 ms
screen-clyde.css
124 ms
loader.js
719 ms
classes.css
129 ms
960.css
237 ms
960-mod.css
238 ms
jquery.fancybox.css
244 ms
jquery.fancybox-buttons.css
240 ms
jquery.fancybox-thumbs.css
250 ms
dropdown.css
353 ms
1.png
1162 ms
bg-nb.png
143 ms
frontpanel-top.png
144 ms
frontpanel-bot.png
140 ms
logo-cs.png
235 ms
menu-corners-l.png
144 ms
menu-corners-r.png
142 ms
triangels-d.png
463 ms
06-20-cs.png
724 ms
10-27-cs.png
720 ms
63.png
1175 ms
75.png
1824 ms
140.png
1800 ms
33.png
1289 ms
ga.js
98 ms
__utm.gif
15 ms
svist21.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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
svist21.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
svist21.cz SEO score
CS
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Svist21.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 Svist21.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.
svist21.cz
Open Graph description is not detected on the main page of Svist 21. 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: