Tools & Wizards About Us
csnonline.unmz.cz screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    88% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

csnonline.unmz.cz

ČSN online pro jednotlivě registrované uživatele

Page Load Speed

2.8 sec in total

First Response

336 ms

Resources Loaded

2.3 sec

Page Rendered

156 ms

csnonline.unmz.cz screenshot

About Website

Click here to check amazing Csn Online Unmz content for Czech Republic. Otherwise, check out these important facts you probably never knew about csnonline.unmz.cz

Visit csnonline.unmz.cz

Key Findings

We analyzed Csnonline.unmz.cz page load time and found that the first response time was 336 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

csnonline.unmz.cz performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value4.9 s

64/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

csnonline.unmz.cz

336 ms

default.aspx

662 ms

layout.css

208 ms

jquery-1.10.2.min.js

515 ms

body.gif

104 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Csnonline.unmz.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (662 ms) belongs to the original domain Csnonline.unmz.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.7 kB (57%)

Content Size

186.2 kB

After Optimization

79.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csnonline.unmz.cz main page is 186.2 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. Only 10% of websites need less resources to load. Javascripts take 93.1 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 7.4 kB

  • Original 10.6 kB
  • After minification 9.7 kB
  • After compression 3.2 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 7.4 kB or 70% of the original size.

Image Optimization

-10%

Potential reduce by 3.9 kB

  • Original 40.3 kB
  • After minification 36.4 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. Csn Online Unmz images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 60.1 kB

  • Original 93.1 kB
  • After minification 93.1 kB
  • After compression 33.0 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 60.1 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 35.3 kB

  • Original 42.3 kB
  • After minification 35.3 kB
  • After compression 7.0 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. Csnonline.unmz.cz needs all CSS files to be minified and compressed as it can save up to 35.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (68%)

Requests Now

25

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csn Online Unmz. 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.

Network Requests Diagram

csnonline.unmz.cz

csnonline.unmz.cz

336 ms

default.aspx

default.aspx

662 ms

layout.css

layout.css

208 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

515 ms

body.gif

body.gif

104 ms

logo.png

logo.png

210 ms

cudlik.png

cudlik.png

206 ms

posta.gif

posta.gif

307 ms

vstup-bg.png

vstup-bg.png

310 ms

login-bg.png

login-bg.png

316 ms

email.png

email.png

310 ms

heslo.png

heslo.png

317 ms

login-sb.png

login-sb.png

316 ms

bodyhlava.png

bodyhlava.png

390 ms

hlava.png

hlava.png

602 ms

menu1.png

menu1.png

394 ms

bg-menu.png

bg-menu.png

398 ms

ul.gif

ul.gif

399 ms

ul1.gif

ul1.gif

401 ms

bg-menu-end.png

bg-menu-end.png

491 ms

stred-bg-top.png

stred-bg-top.png

494 ms

stred-bg.png

stred-bg.png

498 ms

aktualnehlava.png

aktualnehlava.png

500 ms

ul-akt.gif

ul-akt.gif

501 ms

aktualnepata.gif

aktualnepata.gif

593 ms

stred-bg-bottom.png

stred-bg-bottom.png

596 ms

layoutprint.css

layoutprint.css

105 ms

Accessibility Review

csnonline.unmz.cz accessibility score

89

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

<html> element does not have a [lang] attribute

Best Practices

csnonline.unmz.cz best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

csnonline.unmz.cz SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csnonline.unmz.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 Csnonline.unmz.cz main page’s claimed encoding is windows-1250. 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.

Social Sharing Optimization

csnonline.unmz.cz

Open Graph description is not detected on the main page of Csn Online Unmz. 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: