4.8 sec in total
386 ms
4 sec
437 ms
Click here to check amazing Krytiny Strechy content for Czech Republic. Otherwise, check out these important facts you probably never knew about krytiny-strechy.cz
Informační portál o střešních krytinách a střešních materiálech, publikace informací o střechách a stavebnictví. Střešní tašky, šablony, plechové krytiny skládané a falcované, bitumenové šindele, vše ...
Visit krytiny-strechy.czWe analyzed Krytiny-strechy.cz page load time and found that the first response time was 386 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
krytiny-strechy.cz performance score
name
value
score
weighting
Value7.0 s
1/100
10%
Value8.9 s
1/100
25%
Value11.9 s
4/100
10%
Value2,050 ms
7/100
30%
Value0.013
100/100
15%
Value15.5 s
7/100
10%
386 ms
1931 ms
311 ms
217 ms
12 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 42% of them (35 requests) were addressed to the original Krytiny-strechy.cz, 27% (23 requests) were made to Data.krytinystrechy.cz and 7% (6 requests) were made to Gdecz.hit.gemius.pl. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Krytiny-strechy.cz.
Page size can be reduced by 435.2 kB (53%)
820.3 kB
385.1 kB
In fact, the total size of Krytiny-strechy.cz main page is 820.3 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. 40% of websites need less resources to load. Javascripts take 401.2 kB which makes up the majority of the site volume.
Potential reduce by 87.4 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 87.4 kB or 80% of the original size.
Potential reduce by 9.1 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. Krytiny Strechy images are well optimized though.
Potential reduce by 269.3 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 269.3 kB or 67% of the original size.
Potential reduce by 69.4 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. Krytiny-strechy.cz needs all CSS files to be minified and compressed as it can save up to 69.4 kB or 82% of the original size.
Number of requests can be reduced by 39 (49%)
79
40
The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Krytiny Strechy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
krytiny-strechy.cz
386 ms
www.krytiny-strechy.cz
1931 ms
default.css
311 ms
lightbox.css
217 ms
jquery.js
12 ms
AJS.js
330 ms
AJS_fx.js
215 ms
gb_scripts.js
221 ms
gb_styles.css
325 ms
jquery-1.11.0.min.js
10 ms
jquery-migrate-1.2.1.min.js
11 ms
monokai.min.css
11 ms
slick.css
323 ms
style.css
323 ms
font-awesome.css
9 ms
modernizr.min.js
12 ms
brand
17 ms
xgde.js
317 ms
brand
29 ms
highlight.min.js
25 ms
slick.js
254 ms
scripts.js
249 ms
data.php
567 ms
analytics.js
18 ms
hledamstrechu.png
301 ms
bg_body.gif
126 ms
bg_all.gif
127 ms
logo-crop.png
125 ms
bg_top.gif
123 ms
icon-hledej.png
157 ms
icon-krytiny.png
180 ms
icon-okna.png
214 ms
icon-prvky.png
217 ms
icon-firmy.png
220 ms
icon-check.png
219 ms
icon-clanky.png
260 ms
icon-prodej.png
290 ms
icon-prace.png
321 ms
icon-kontakt.png
326 ms
footer-separator.gif
328 ms
cp-wslogo.gif
331 ms
hledamradu.png
405 ms
hledamfirmu.png
511 ms
newsletter_a.png
616 ms
pruvodce2.png
514 ms
mandala.jpg
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km_beta_banner_160x600_v01.jpg
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google_custom_search_watermark.gif
71 ms
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bg_content.png
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fontawesome-webfont.woff
31 ms
data.php
244 ms
skorojasno.gif
120 ms
polojasno.gif
238 ms
oblacno.gif
239 ms
prehanky-dest.gif
241 ms
bg_footer.gif
112 ms
indicator.gif
215 ms
g_close.gif
104 ms
w_close.gif
110 ms
header_bg.gif
111 ms
slick.woff
108 ms
xgde.html
187 ms
gemius.js
96 ms
fpdata.js
94 ms
lsget.html
238 ms
inscreen_lib.js
183 ms
redot.js
100 ms
krytiny-strechy.cz accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
krytiny-strechy.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
Page has valid source maps
krytiny-strechy.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
Image elements do not have [alt] attributes
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 Krytiny-strechy.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 Krytiny-strechy.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.
krytiny-strechy.cz
Open Graph description is not detected on the main page of Krytiny Strechy. 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: