3.8 sec in total
925 ms
2.7 sec
220 ms
Click here to check amazing Swistar content. Otherwise, check out these important facts you probably never knew about swistar.cz
Visit swistar.czWe analyzed Swistar.cz page load time and found that the first response time was 925 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
swistar.cz performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value8.0 s
2/100
25%
Value7.4 s
27/100
10%
Value90 ms
99/100
30%
Value0.163
72/100
15%
Value5.6 s
69/100
10%
925 ms
234 ms
362 ms
244 ms
245 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 90% of them (45 requests) were addressed to the original Swistar.cz, 4% (2 requests) were made to Apis.google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (925 ms) belongs to the original domain Swistar.cz.
Page size can be reduced by 291.1 kB (48%)
611.8 kB
320.7 kB
In fact, the total size of Swistar.cz main page is 611.8 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. 30% of websites need less resources to load. Javascripts take 303.3 kB which makes up the majority of the site volume.
Potential reduce by 30.8 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 30.8 kB or 79% of the original size.
Potential reduce by 33.1 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. Obviously, Swistar needs image optimization as it can save up to 33.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 204.6 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 204.6 kB or 67% of the original size.
Potential reduce by 22.6 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. Swistar.cz needs all CSS files to be minified and compressed as it can save up to 22.6 kB or 79% of the original size.
Number of requests can be reduced by 27 (55%)
49
22
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swistar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
swistar.cz
925 ms
oldbrows.css
234 ms
main.css
362 ms
global.css
244 ms
calendar.css
245 ms
scripts.js
245 ms
new_sniffer.js
367 ms
ajax.js
353 ms
ajax_fe.js
366 ms
mktree.js
369 ms
swistar.js
370 ms
plusone.js
179 ms
calendar.js
592 ms
calendar-cs.js
479 ms
calendar-setup.js
486 ms
jquery-pack.js
647 ms
jquery-ui-packed.js
768 ms
ui.datepicker-cs.js
484 ms
cb=gapi.loaded_0
46 ms
analytics.js
57 ms
bkg.gif
121 ms
logo.gif
126 ms
flag_cz.gif
121 ms
flag_en.gif
125 ms
menu_li.gif
125 ms
theme.jpg
402 ms
middle.gif
238 ms
h2_panel.gif
241 ms
li.gif
246 ms
vilaseca.gif
248 ms
1969v0_Doporucujeme.jpg
624 ms
2023v0_VEIKA_INK_DL.jpg
514 ms
2017v0_VEIKA_DECOJET_DL.jpg
600 ms
2011v0_nutec_INK_DL.jpg
487 ms
2029v0_KATZ_Board_DL.jpg
489 ms
2035v0_X_BOARD_DL.jpg
522 ms
2041v0_SKY_DL.jpg
624 ms
2047v0_ROLL_DL.jpg
731 ms
2053v0_EQ_DL.jpg
750 ms
2125v0_Kontakt_DL.jpg
650 ms
xanita.gif
686 ms
h2_content.gif
712 ms
bkg_button.gif
713 ms
middle_bottom.gif
739 ms
bkg_menu.gif
807 ms
menu_bottom.gif
819 ms
edge_top_l.gif
833 ms
edge_top_r.gif
833 ms
L.js
336 ms
collect
29 ms
swistar.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
Form elements do not have associated labels
Links do not have a discernible name
swistar.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
Browser errors were logged to the console
Page has valid source maps
swistar.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document uses plugins
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swistar.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 Swistar.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.
swistar.cz
Open Graph description is not detected on the main page of Swistar. 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: