5.3 sec in total
566 ms
4.4 sec
299 ms
Click here to check amazing Sinai content for Czech Republic. Otherwise, check out these important facts you probably never knew about sinai.cz
Vyrábíme skleněné posuvné dveře, skleněné stěny, skleněné zástěny, skleněné sprchové kouty a skleněné zábradlí. Na sklo používáme kvalitní německé kování.
Visit sinai.czWe analyzed Sinai.cz page load time and found that the first response time was 566 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
sinai.cz performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value12.0 s
0/100
25%
Value13.6 s
2/100
10%
Value12,930 ms
0/100
30%
Value0.163
72/100
15%
Value25.0 s
0/100
10%
566 ms
2091 ms
633 ms
521 ms
15 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 86% of them (32 requests) were addressed to the original Sinai.cz, 5% (2 requests) were made to C.imedia.cz and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Sinai.cz.
Page size can be reduced by 182.5 kB (40%)
460.4 kB
277.8 kB
In fact, the total size of Sinai.cz main page is 460.4 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 239.2 kB which makes up the majority of the site volume.
Potential reduce by 24.5 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 24.5 kB or 74% of the original size.
Potential reduce by 19.3 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. Sinai images are well optimized though.
Potential reduce by 101.1 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 101.1 kB or 71% of the original size.
Potential reduce by 37.7 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. Sinai.cz needs all CSS files to be minified and compressed as it can save up to 37.7 kB or 83% of the original size.
Number of requests can be reduced by 16 (46%)
35
19
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sinai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
sinai.cz
566 ms
www.sinai.cz
2091 ms
style.css
633 ms
colorbox.css
521 ms
jquery.min.js
15 ms
lightbox-gallery.css
811 ms
wp-emoji-release.min.js
447 ms
sinai_logo.gif
166 ms
plusitko.gif
166 ms
script.js
328 ms
jquery.jcarousel.min.js
658 ms
jquery.colorbox.js
989 ms
jquery.tooltip.js
452 ms
lightbox-gallery.js
471 ms
wp-embed.min.js
567 ms
retargeting.js
452 ms
sinai_backround.jpg
944 ms
lbg_1.gif
328 ms
sipka-left.gif
417 ms
sipka-right.gif
483 ms
vertline2.gif
522 ms
sipka-bw.gif
572 ms
Certifik%C3%A1t-Dorma-150x150.jpg
1384 ms
horizline2.gif
687 ms
sinai-logo-small.jpg
922 ms
dorma-logo.jpg
922 ms
astec-logo.jpg
1178 ms
frascio-logo.jpg
1469 ms
griffwerk-logo.jpg
1176 ms
klein-logo.jpg
1167 ms
pauli-logo.jpg
1093 ms
spodni_ousko.png
1409 ms
shop_button.png
1478 ms
analytics.js
227 ms
retargeting
230 ms
overlay.png
424 ms
collect
11 ms
sinai.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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
sinai.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
Missing source maps for large first-party JavaScript
sinai.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sinai.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 Sinai.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.
sinai.cz
Open Graph description is not detected on the main page of Sinai. 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: