5.9 sec in total
955 ms
4.8 sec
156 ms
Visit stavebniny-cerny.cz now to see the best up-to-date Stavebniny Cerny content for Czech Republic and also check out these interesting facts you probably never knew about stavebniny-cerny.cz
● ● ● ● ● Stavebniny Černý Profesionální služby v oblasti stavebnictví, Stavebniny Černý - profesionál v oblasti stavebnictví
Visit stavebniny-cerny.czWe analyzed Stavebniny-cerny.cz page load time and found that the first response time was 955 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
stavebniny-cerny.cz performance score
name
value
score
weighting
Value1.4 s
96/100
10%
Value3.4 s
68/100
25%
Value4.0 s
81/100
10%
Value70 ms
99/100
30%
Value0.132
81/100
15%
Value3.1 s
95/100
10%
955 ms
344 ms
764 ms
1043 ms
221 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 58% of them (29 requests) were addressed to the original Stavebniny-cerny.cz, 36% (18 requests) were made to Eshop.stavebniny-cerny.cz and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Stavebniny-cerny.cz.
Page size can be reduced by 748.1 kB (43%)
1.8 MB
1.0 MB
In fact, the total size of Stavebniny-cerny.cz main page is 1.8 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. 20% of websites need less resources to load. Images take 841.1 kB which makes up the majority of the site volume.
Potential reduce by 9.0 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 9.0 kB or 72% of the original size.
Potential reduce by 31.1 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. Stavebniny Cerny images are well optimized though.
Potential reduce by 578.6 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 578.6 kB or 77% of the original size.
Potential reduce by 129.5 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. Stavebniny-cerny.cz needs all CSS files to be minified and compressed as it can save up to 129.5 kB or 84% of the original size.
Number of requests can be reduced by 30 (61%)
49
19
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stavebniny Cerny. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
www.stavebniny-cerny.cz
955 ms
924e743e3f.css.gzip
344 ms
c65d466a3b.js.gzip
764 ms
zpravodaj
1043 ms
red-gradient.png
221 ms
logo.png
336 ms
grey-gradient.gif
231 ms
search-iko.gif
233 ms
glider-shandows.png
349 ms
zima_1_kopie.png
1121 ms
co_nemame_to_dodame.jpg
998 ms
pomoc_pri_stavbe.jpg
1124 ms
head-map-new.png
463 ms
cyhlacek.png
789 ms
zub-top.png
569 ms
box-bg.png
696 ms
iko_doprava.png
804 ms
more-bg.png
934 ms
iko_akce.png
1023 ms
iko_pujcovna.png
1035 ms
iko_servis.png
1152 ms
zub-bot.png
1232 ms
w-odr.png
1247 ms
platba-kartou.png
1501 ms
eu-dotace.png
1452 ms
Vzdelavame-se-s-TC.png
1475 ms
ga.js
6 ms
__utm.gif
12 ms
zima_1_kopie.png
2285 ms
loading.gif
1534 ms
pagination.png
1431 ms
styles.css
779 ms
widgets.css
225 ms
vertnav.css
229 ms
prototype.js
934 ms
ccard.js
238 ms
validation.js
703 ms
builder.js
457 ms
effects.js
810 ms
dragdrop.js
814 ms
controls.js
1042 ms
slider.js
1052 ms
js.js
1266 ms
form.js
1160 ms
menu.js
1048 ms
translate.js
1164 ms
cookies.js
1273 ms
print.css
120 ms
__utm.gif
4 ms
50444efca7.css.gzip
235 ms
stavebniny-cerny.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
Links do not have a discernible name
stavebniny-cerny.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
General
Impact
Issue
Detected JavaScript libraries
stavebniny-cerny.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stavebniny-cerny.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 Stavebniny-cerny.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.
stavebniny-cerny.cz
Open Graph description is not detected on the main page of Stavebniny Cerny. 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: