4.4 sec in total
490 ms
3.5 sec
398 ms
Visit zsjarose.cz now to see the best up-to-date Zsjarose content for Czech Republic and also check out these interesting facts you probably never knew about zsjarose.cz
Oficiální stránky ZŠ Kpt. Jaroše Třebíč poskytují aktzální informace o škole, ze života školy, pro rodiče, kontakty a další. Zjistěte více.
Visit zsjarose.czWe analyzed Zsjarose.cz page load time and found that the first response time was 490 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
zsjarose.cz performance score
name
value
score
weighting
Value6.0 s
4/100
10%
Value10.1 s
0/100
25%
Value7.3 s
29/100
10%
Value710 ms
42/100
30%
Value0.293
41/100
15%
Value9.8 s
28/100
10%
490 ms
438 ms
341 ms
243 ms
357 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 96% of them (68 requests) were addressed to the original Zsjarose.cz, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Zsjarose.cz.
Page size can be reduced by 157.3 kB (6%)
2.6 MB
2.5 MB
In fact, the total size of Zsjarose.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. 50% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 30.0 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 6.3 kB, which is 17% 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 30.0 kB or 82% of the original size.
Potential reduce by 28.7 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. Zsjarose images are well optimized though.
Potential reduce by 74.5 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 74.5 kB or 62% of the original size.
Potential reduce by 24.1 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. Zsjarose.cz needs all CSS files to be minified and compressed as it can save up to 24.1 kB or 84% of the original size.
Number of requests can be reduced by 24 (34%)
70
46
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zsjarose. 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 from 5 to 1 for CSS and as a result speed up the page load time.
490 ms
style.css
438 ms
menu.css
341 ms
poptip.js
243 ms
functions.js
357 ms
jquery-min.js
481 ms
colorbox.css
366 ms
jquery-1.3.2.min.js
903 ms
slideshow.css
471 ms
slideshow2.css
477 ms
jquery.colorbox.js
840 ms
slideshow.js
320 ms
slideshow2.js
248 ms
get_flash_player.gif
27 ms
bg_body.png
129 ms
bg.png
123 ms
bg_screen.png
244 ms
ico_facebook.png
115 ms
spoon_v1.png
125 ms
logo01_v1.png
364 ms
bg_menu_v1.png
226 ms
bg_menu_v2.png
238 ms
bg_menu_v3.png
245 ms
bg_menu_v4.png
249 ms
bg_menu_v5.png
338 ms
bg_menu_v6.png
354 ms
search01.png
366 ms
bg_search.png
367 ms
bg_title_v1.png
371 ms
bg_leftBar_news.png
448 ms
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1442 ms
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1585 ms
li02.png
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li03.png
1533 ms
180.png
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1671 ms
ga.js
14 ms
__utm.gif
16 ms
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bg_sectiontab.png
1601 ms
bg_sectionheader.png
1594 ms
li04.png
1598 ms
bg_meteoTitle.png
1693 ms
bg_meteoWind.png
1688 ms
bg_footerTop.png
1631 ms
bg_footer.png
1355 ms
loading.gif
1276 ms
controls.png
1247 ms
zsjarose.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
<frame> or <iframe> elements do not have a title
zsjarose.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
zsjarose.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 uses legible font sizes
Tap targets are not sized appropriately
CS
CS
ISO-8859-2
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zsjarose.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 Zsjarose.cz main page’s claimed encoding is iso-8859-2. 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.
zsjarose.cz
Open Graph description is not detected on the main page of Zsjarose. 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: