Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 91

    SEO

    Google-friendlier than
    76% of websites

ujep.cz

UJEP | Univerzita J. E. Purkyně - Univerzita Jana Evangelisty Purkyně v Ústí nad Labem meta desc en

Page Load Speed

4.4 sec in total

First Response

436 ms

Resources Loaded

2.8 sec

Page Rendered

1.2 sec

ujep.cz screenshot

About Website

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

UJEP – Tvoříme příležitosti tam, kde nechybí nadšení. 10 000 studentů na 1 000 000 příležitostí

Visit ujep.cz

Key Findings

We analyzed Ujep.cz page load time and found that the first response time was 436 ms and then it took 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.

Performance Metrics

ujep.cz performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.8 s

45/100

10%

Network Requests Diagram

ujep.cz

436 ms

styles.css

117 ms

highslide-with-gallery.js

581 ms

highslide.css

238 ms

header.css

122 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 88% of them (65 requests) were addressed to the original Ujep.cz, 4% (3 requests) were made to S.ytimg.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Ujep.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 447.0 kB (46%)

Content Size

974.3 kB

After Optimization

527.4 kB

In fact, the total size of Ujep.cz main page is 974.3 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. 60% of websites need less resources to load. Images take 394.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 20.7 kB

  • Original 26.3 kB
  • After minification 25.3 kB
  • After compression 5.6 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. 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 20.7 kB or 79% of the original size.

Image Optimization

-5%

Potential reduce by 21.0 kB

  • Original 394.1 kB
  • After minification 373.0 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. UJEP images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 188.2 kB

  • Original 291.8 kB
  • After minification 275.5 kB
  • After compression 103.6 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 188.2 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 217.0 kB

  • Original 262.1 kB
  • After minification 257.6 kB
  • After compression 45.1 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. Ujep.cz needs all CSS files to be minified and compressed as it can save up to 217.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (38%)

Requests Now

69

After Optimization

43

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UJEP. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ujep.cz accessibility score

96

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

ujep.cz best practices score

67

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

ujep.cz SEO score

91

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

    EN

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ujep.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Czech language. Our system also found out that Ujep.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

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