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is.czu.cz: University information system CULS

University information system CULS

Page load speed analysis

  • 61/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    484 ms

  • Resources loaded

    1.9 sec

  • Page rendered

    141 ms

  • Total page load time

    2.5 sec

Welcome to is.czu.cz homepage info - get ready to check Is Czu best content for Czech Republic right away, or after learning these important things about is.czu.cz

We analyzed Is.czu.cz page load time and found that the first response time was 484 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Page optimization

  • HTML 9.6 kB
    Images 0 B
    Javascripts 133.6 kB
    CSS 14.3 kB

    In fact, the total size of Is.czu.cz main page is 157.6 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. Javascripts take 133.6 kB which makes up the majority of the site volume.

    • Original 9.6 kB
    • After minification 9.4 kB
    • After compression 2.6 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. 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 7.1 kB or 73% of the original size.

    • Original 133.6 kB
    • After minification 127.4 kB
    • After compression 47.2 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 86.4 kB or 65% of the original size.

    • Original 14.3 kB
    • After minification 11.1 kB
    • After compression 3.5 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. Is.czu.cz needs all CSS files to be minified and compressed as it can save up to 10.8 kB or 75% of the original size.

Network requests diagram

  • is.czu.cz
  • menitka.css
  • base.css
  • img.pl
  • jquery.js
  • uis.js
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • img.pl
  • analytics.js
  • collect

Our browser made a total of 23 requests to load all elements on the main page. We found that 91% of them (21 requests) were addressed to the original Is.czu.cz, 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (815 ms) belongs to the original domain Is.czu.cz.

Additional info on is.czu.cz

Requests

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Is Czu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

3

Javascripts

16

Images

3

CSS

22

All

Possible request optimization

3

Javascripts

8

Images

3

CSS

8

Optimized

14

All

Good result

IP address

This IP address is dedicated to Is.czu.cz. This is the best domain hosting practice .

Normal result

IP Trace

is.czu.cz

193.84.47.120

DNS records

Type Host Target/ip TTL Other
A

is.czu.cz

193.84.47.120 3600

Language and encoding

Normal result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

ISO-8859-2

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Is.czu.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Is.czu.cz main page’s claimed encoding is iso-8859-2. 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

Is.czu.cz has a valid and up-to-date SSL certificate that expires on June 15, 2018.

Good result

Visitor World Map

Country of origin for 83.8% of all visits is Czech Republic. It’s good for Is.czu.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 Is Czu. 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:

is.czu.cz

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