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cezonline.cez.cz: ČEZ ON-LINE

Page load speed analysis

  • 69/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    543 ms

  • Resources loaded

    2.9 sec

  • Page rendered

    133 ms

  • Total page load time

    3.6 sec

Visit cezonline.cez.cz now to see the best up-to-date Cezon LINE Cez content for Czech Republic and also check out these interesting facts you probably never knew about cezonline.cez.cz

We analyzed Cezonline.cez.cz page load time and found that the first response time was 543 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Page optimization

  • HTML 4.9 kB
    Images 9.6 kB
    Javascripts 101.0 kB
    CSS 504.5 kB

    In fact, the total size of Cezonline.cez.cz main page is 620.0 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. 20% of websites need less resources to load. CSS take 504.5 kB which makes up the majority of the site volume.

    • Original 4.9 kB
    • After minification 3.9 kB
    • After compression 1.5 kB

    HTML optimization

    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 1.0 kB, which is 21% 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 3.4 kB or 70% of the original size.

    • Original 9.6 kB
    • After optimization 7.9 kB

    Image optimization

    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. Obviously, Cezon LINE Cez needs image optimization as it can save up to 1.7 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 101.0 kB
    • After minification 99.0 kB
    • After compression 34.9 kB

    JavaScript optimization

    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 66.2 kB or 65% of the original size.

    • Original 504.5 kB
    • After minification 461.3 kB
    • After compression 63.1 kB

    CSS optimization

    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. Cezonline.cez.cz needs all CSS files to be minified and compressed as it can save up to 441.4 kB or 87% of the original size.

Network requests diagram

  • portal
  • ur_nn7.css
  • jsCookies.js
  • loginCol.js
  • style.css
  • main.css
  • not-logged.css
  • jquery-1.11.1.min.js
  • gemius.js
  • htmlbg.jpg
  • logobig.png
  • inputicons.png
  • redot.gif

Our browser made a total of 13 requests to load all elements on the main page. We found that 92% of them (12 requests) were addressed to the original Cezonline.cez.cz, 8% (1 request) were made to Cz.hit.gemius.pl. The less responsive or slowest element that took the longest time to load (841 ms) belongs to the original domain Cezonline.cez.cz.

Additional info on cezonline.cez.cz

Requests

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cezon LINE Cez. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

4

Javascripts

4

Images

4

CSS

12

All

Possible request optimization

1

Javascripts

4

Images

1

CSS

6

Optimized

6

All

Good result

IP address

This IP address is dedicated to Cezonline.cez.cz. This is the best domain hosting practice .

Normal result

IP Trace

cezonline.cez.cz

89.111.72.171

DNS records

Type Host Target/ip TTL Other
A

cezonline.cez.cz

89.111.72.171 599

Language and encoding

Poor result

Language

EN en language flag

Detected

N/A  language flag

Claimed

Encoding

ISO-8859-1

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cezonline.cez.cz can be misinterpreted by Google and other search engines. Our service has detected that English 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 Cezonline.cez.cz main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

HTTPS certificate

SSL Certificate

Cezonline.cez.cz has a valid and up-to-date SSL certificate that expires on June 1, 2018.

Good result

Visitor World Map

Country of origin for 94.5% of all visits is Czech Republic. It’s good for Cezonline.cez.cz that their server is also located in Czech Republic, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Cezon LINE Cez. 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:

cezonline.cez.cz

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