3.1 sec in total
734 ms
2.2 sec
242 ms
Welcome to jzdstudio.cz homepage info - get ready to check Jzdstudio best content right away, or after learning these important things about jzdstudio.cz
HTML A CSS KODÉR - JAN ZEMAN
Visit jzdstudio.czWe analyzed Jzdstudio.cz page load time and found that the first response time was 734 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
jzdstudio.cz performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value4.6 s
34/100
25%
Value6.0 s
46/100
10%
Value300 ms
79/100
30%
Value0.209
59/100
15%
Value5.0 s
76/100
10%
734 ms
530 ms
426 ms
215 ms
217 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 95% of them (39 requests) were addressed to the original Jzdstudio.cz, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (953 ms) belongs to the original domain Jzdstudio.cz.
Page size can be reduced by 50.4 kB (9%)
591.3 kB
540.9 kB
In fact, the total size of Jzdstudio.cz main page is 591.3 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 528.4 kB which makes up the majority of the site volume.
Potential reduce by 10.0 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. 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 10.0 kB or 76% of the original size.
Potential reduce by 4.7 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. Jzdstudio images are well optimized though.
Potential reduce by 11.8 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 11.8 kB or 58% of the original size.
Potential reduce by 23.9 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. Jzdstudio.cz needs all CSS files to be minified and compressed as it can save up to 23.9 kB or 81% of the original size.
We found no issues to fix!
36
36
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jzdstudio. According to our analytics all requests are already optimized.
jzdstudio.cz
734 ms
root.css
530 ms
shamDeathBox.js
426 ms
shamDeathBox.css
215 ms
noie6.css
217 ms
urchin.js
7 ms
bgblack.jpg
952 ms
all_bg.png
109 ms
alldin_bg.png
109 ms
bgmiddle-black.png
108 ms
middle_row_bez_left.gif
109 ms
none.png
211 ms
qwe_s.jpg
214 ms
broker08_s.jpg
213 ms
darek_s.jpg
214 ms
bgbiggreen.jpg
537 ms
kolanakrivo.png
838 ms
gonpk.gif
320 ms
bnpm_s.jpg
319 ms
eflowers_s.jpg
424 ms
designa09_s.jpg
427 ms
qwe_s.jpg
427 ms
finconsulting_s.jpg
530 ms
smart_s.jpg
532 ms
jeanshouse_s.jpg
533 ms
lunacity_s.jpg
635 ms
okinfo_s.jpg
637 ms
kiss_mm.jpg
743 ms
spectris_s.jpg
642 ms
fysio_s.jpg
739 ms
stocesovakytka_s.jpg
744 ms
pizza_s.jpg
749 ms
cinogroup_s.jpg
846 ms
culinaria_s.jpg
848 ms
grant_s.jpg
849 ms
ceridian_s.png
857 ms
headdder_bg.jpg
937 ms
logo.png
949 ms
allin%20_bg.png
953 ms
__utm.gif
3 ms
shamDeathLoader.gif
108 ms
jzdstudio.cz accessibility score
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
jzdstudio.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
jzdstudio.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jzdstudio.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Jzdstudio.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.
jzdstudio.cz
Open Graph description is not detected on the main page of Jzdstudio. 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: