Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

zcu.cz

Západočeská univerzita v Plzni

Page Load Speed

4.2 sec in total

First Response

322 ms

Resources Loaded

3.4 sec

Page Rendered

441 ms

zcu.cz screenshot

About Website

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

Západočeská univerzita v Plzni má více než 300 studijních programů na devíti fakultách. Spojte život s jednou z nich a rozhodněte se pro studium v Plzni.

Visit zcu.cz

Key Findings

We analyzed Zcu.cz page load time and found that the first response time was 322 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

zcu.cz performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.122

84/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

zcu.cz

322 ms

zcu.cz

450 ms

www.zcu.cz

546 ms

107 ms

index.html

179 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 98% of them (50 requests) were addressed to the original Zcu.cz, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (992 ms) belongs to the original domain Zcu.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.7 kB (4%)

Content Size

961.2 kB

After Optimization

924.5 kB

In fact, the total size of Zcu.cz main page is 961.2 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. 30% of websites need less resources to load. Images take 924.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 31.2 kB

  • Original 36.7 kB
  • After minification 27.8 kB
  • After compression 5.5 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. This page needs HTML code to be minified as it can gain 8.8 kB, which is 24% 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 31.2 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 5.5 kB

  • Original 924.5 kB
  • After minification 919.0 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. Zcu images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 36 (78%)

Requests Now

46

After Optimization

10

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zcu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zcu.cz accessibility score

100

Accessibility Issues

Best Practices

zcu.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zcu.cz SEO score

98

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zcu.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 Zcu.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Zcu. 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: