4.2 sec in total
747 ms
3.1 sec
274 ms
Welcome to nix.cz homepage info - get ready to check NIX best content for Czech Republic right away, or after learning these important things about nix.cz
Společnost sdružující české i zahraniční poskytovatele internetových služeb za účelem vzájemného propojení jejich sítí.
Visit nix.czWe analyzed Nix.cz page load time and found that the first response time was 747 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
nix.cz performance score
name
value
score
weighting
Value2.5 s
66/100
10%
Value9.5 s
0/100
25%
Value8.0 s
22/100
10%
Value6,280 ms
0/100
30%
Value0.116
85/100
15%
Value13.8 s
10/100
10%
747 ms
117 ms
112 ms
214 ms
216 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 80% of them (39 requests) were addressed to the original Nix.cz, 8% (4 requests) were made to Google.com and 4% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (940 ms) belongs to the original domain Nix.cz.
Page size can be reduced by 594.7 kB (48%)
1.2 MB
652.8 kB
In fact, the total size of Nix.cz main page is 1.2 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. 50% of websites need less resources to load. Images take 578.7 kB which makes up the majority of the site volume.
Potential reduce by 56.6 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 9.8 kB, which is 13% 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 56.6 kB or 77% of the original size.
Potential reduce by 52.6 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. NIX images are well optimized though.
Potential reduce by 336.9 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 336.9 kB or 80% of the original size.
Potential reduce by 148.6 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. Nix.cz needs all CSS files to be minified and compressed as it can save up to 148.6 kB or 86% of the original size.
Number of requests can be reduced by 21 (46%)
46
25
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NIX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
cs
747 ms
bootstrap.css
117 ms
style.css
112 ms
style-NIX.css
214 ms
lightbox.css
216 ms
responsive.css
217 ms
jquery.fancybox.css
217 ms
css
39 ms
fenix_logo_small.png
321 ms
video_thumb.png
324 ms
topology-nix.png
527 ms
jquery.js
544 ms
bootstrap.js
323 ms
lightbox-2.6.min.js
322 ms
jquery.scrollTo.js
425 ms
jquery.nav.js
429 ms
jquery.counters.min.js
429 ms
jQueryRotateCompressed.js
430 ms
common.js
531 ms
jquery.fancybox.js
567 ms
debounce.js
535 ms
jsapi
46 ms
searchIcon.png
308 ms
logo2.png
526 ms
bgWinter.png
940 ms
graphBackgroundWinter.png
527 ms
graphZoom.png
527 ms
icon_refresh.png
528 ms
icon_building.png
529 ms
icon_calendar.png
529 ms
icon_play.png
531 ms
IPv4logo.png
532 ms
icon_topology.png
532 ms
icon_contact.png
535 ms
icon_social.png
614 ms
logoEuro.png
622 ms
logoMono.png
623 ms
close.png
629 ms
loading.gif
635 ms
prev.png
719 ms
next.png
727 ms
hpORcvLZtemlH8gI-1S-7i3USBnSvpkopQaUR-2r7iU.ttf
54 ms
qhFtudkoEdJV__ba4WegbA.ttf
55 ms
ga.js
6 ms
21 ms
__utm.gif
12 ms
ui+en.css
4 ms
format+en,default+en,ui+en,corechart+en.I.js
30 ms
tooltip.css
259 ms
nix.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
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.
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
nix.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
nix.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
CS
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nix.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nix.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.
nix.cz
Open Graph description is not detected on the main page of NIX. 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: