4.9 sec in total
360 ms
4.2 sec
353 ms
Click here to check amazing Zstaborska content for Czech Republic. Otherwise, check out these important facts you probably never knew about zstaborska.cz
Visit zstaborska.czWe analyzed Zstaborska.cz page load time and found that the first response time was 360 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
zstaborska.cz performance score
name
value
score
weighting
Value2.7 s
58/100
10%
Value2.7 s
84/100
25%
Value4.5 s
72/100
10%
Value190 ms
90/100
30%
Value0.181
67/100
15%
Value6.8 s
55/100
10%
360 ms
1749 ms
228 ms
241 ms
238 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 70% of them (48 requests) were addressed to the original Zstaborska.cz, 10% (7 requests) were made to Miniaplikace.blueboard.cz and 6% (4 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Zstaborska.cz.
Page size can be reduced by 332.1 kB (54%)
616.0 kB
284.0 kB
In fact, the total size of Zstaborska.cz main page is 616.0 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. 35% of websites need less resources to load. Javascripts take 297.9 kB which makes up the majority of the site volume.
Potential reduce by 30.7 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 5.0 kB, which is 12% 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 30.7 kB or 76% of the original size.
Potential reduce by 13.3 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. Zstaborska images are well optimized though.
Potential reduce by 184.5 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 184.5 kB or 62% of the original size.
Potential reduce by 103.5 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. Zstaborska.cz needs all CSS files to be minified and compressed as it can save up to 103.5 kB or 70% of the original size.
Number of requests can be reduced by 20 (31%)
65
45
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zstaborska. 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 5 to 1 for CSS and as a result speed up the page load time.
zstaborska.cz
360 ms
www.zstaborska.cz
1749 ms
prezentace.css
228 ms
design.css
241 ms
menu.css
238 ms
normal.js
242 ms
widget.php
8 ms
counter_0.php
334 ms
button1-bm.gif
40 ms
count.asp
217 ms
lista-prechod.png
127 ms
lista.gif
453 ms
uvod1.gif
233 ms
o-skole1.gif
235 ms
o-skole.gif
238 ms
ucitele1.gif
244 ms
ucitele.gif
357 ms
zaci1.gif
467 ms
zaci.gif
467 ms
skolni-druzina1.gif
472 ms
skolni-druzina.gif
468 ms
skolni-jidelna1.gif
592 ms
skolni-jidelna.gif
680 ms
rodice1.gif
706 ms
rodice.gif
706 ms
skolska-rada1.gif
706 ms
skolska-rada.gif
708 ms
lista-navig.gif
821 ms
search.gif
916 ms
search-button.gif
922 ms
budkym.jpg
950 ms
d8m.jpg
955 ms
recitacem.jpg
1075 ms
carom.jpg
1061 ms
ypsm.jpg
1162 ms
oppam.jpg
1164 ms
projekty.html_clip_imagecomenius.jpg
1195 ms
unplagged.jpg
1203 ms
projekty.html_clip_eTwinLogo.jpg
1416 ms
rodicevitanilogo.jpg
1320 ms
projekty.html_clip_imagezdravaskola.jpg
1396 ms
projekty.html_clip_image016.jpg
1398 ms
projekty.html_clip_image018.jpg
1429 ms
projekty.html_clip_imagegemini.jpg
1435 ms
klinika.jpg
1558 ms
88x9-blueboard-cz.gif
403 ms
core201.js
8 ms
CEDU_logo.jpg
1606 ms
widget020.top.svg.css
8 ms
sipicka.gif
1518 ms
counter_0.php
432 ms
britska-vlajka.jpg
1428 ms
new-window.gif
1441 ms
rss_icon.png
1449 ms
88x9-blueboard-cz.gif
436 ms
3.gif
227 ms
9.gif
233 ms
6.gif
233 ms
5.gif
241 ms
2.gif
239 ms
lista-dole.gif
1187 ms
ga.js
6 ms
like.php
96 ms
menu174.js
12 ms
__utm.gif
28 ms
sh200.html
16 ms
qeKvIRsJabD.js
287 ms
LVx-xkvaJ0b.png
324 ms
print.css
120 ms
zstaborska.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
Image elements do not have [alt] attributes
Links do not have a discernible name
zstaborska.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
zstaborska.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zstaborska.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 Zstaborska.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.
zstaborska.cz
Open Graph description is not detected on the main page of Zstaborska. 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: