Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

isouteze.upol.cz

I-soutěže: hlavní stránka

Page Load Speed

5.7 sec in total

First Response

2.4 sec

Resources Loaded

3.2 sec

Page Rendered

153 ms

isouteze.upol.cz screenshot

About Website

Click here to check amazing Isouteze Upol content for Czech Republic. Otherwise, check out these important facts you probably never knew about isouteze.upol.cz

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Key Findings

We analyzed Isouteze.upol.cz page load time and found that the first response time was 2.4 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

isouteze.upol.cz performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

isouteze.upol.cz

2367 ms

is.css

332 ms

upsign.gif

354 ms

lastmod.js

356 ms

isouteze

446 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 82% of them (9 requests) were addressed to the original Isouteze.upol.cz, 9% (1 request) were made to Pocitadlo.co.cz and 9% (1 request) were made to W3.org. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Isouteze.upol.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.0 kB (70%)

Content Size

12.8 kB

After Optimization

3.9 kB

In fact, the total size of Isouteze.upol.cz main page is 12.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 6.4 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 4.0 kB

  • Original 6.4 kB
  • After minification 5.7 kB
  • After compression 2.4 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 741 B, which is 12% 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 4.0 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 346 B
  • After minification 346 B

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. Isouteze Upol images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 527 B

  • Original 825 B
  • After minification 701 B
  • After compression 298 B

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 527 B or 64% of the original size.

CSS Optimization

-84%

Potential reduce by 4.4 kB

  • Original 5.3 kB
  • After minification 3.8 kB
  • After compression 841 B

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. Isouteze.upol.cz needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isouteze Upol. According to our analytics all requests are already optimized.

Accessibility Review

isouteze.upol.cz accessibility score

96

Accessibility Issues

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

isouteze.upol.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

isouteze.upol.cz SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    ISO-8859-2

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

Social Sharing Optimization

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