Report Summary

  • 6

    Performance

    Renders faster than
    30% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 73% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 93

    SEO

    Google-friendlier than
    88% of websites

osud.cz

OSUD.cz -

Page Load Speed

8.1 sec in total

First Response

1.1 sec

Resources Loaded

6.4 sec

Page Rendered

530 ms

osud.cz screenshot

About Website

Visit osud.cz now to see the best up-to-date OSUD content for Czech Republic and also check out these interesting facts you probably never knew about osud.cz

Visit osud.cz

Key Findings

We analyzed Osud.cz page load time and found that the first response time was 1.1 sec and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

osud.cz performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value30.0 s

0/100

10%

TBT (Total Blocking Time)

Value71,470 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.41

24/100

15%

TTI (Time to Interactive)

Value88.1 s

0/100

10%

Network Requests Diagram

osud.cz

1142 ms

www.osud.cz

2146 ms

css_202be6f256b50f6060c733201076f598.css

460 ms

js_7d2c1b569bb969124869616f68d45695.jsmin.js

587 ms

show_ads.js

5 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 65% of them (78 requests) were addressed to the original Osud.cz, 6% (7 requests) were made to Pagead2.googlesyndication.com and 5% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Pojdsnami.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 497.3 kB (48%)

Content Size

1.0 MB

After Optimization

532.8 kB

In fact, the total size of Osud.cz main page is 1.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Javascripts take 405.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 133.3 kB

  • Original 162.2 kB
  • After minification 146.8 kB
  • After compression 28.8 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 133.3 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 19.3 kB

  • Original 360.0 kB
  • After minification 340.7 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. OSUD images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 260.9 kB

  • Original 405.5 kB
  • After minification 396.3 kB
  • After compression 144.6 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 260.9 kB or 64% of the original size.

CSS Optimization

-82%

Potential reduce by 83.7 kB

  • Original 102.4 kB
  • After minification 99.1 kB
  • After compression 18.7 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. Osud.cz needs all CSS files to be minified and compressed as it can save up to 83.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (38%)

Requests Now

117

After Optimization

72

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSUD. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

osud.cz accessibility score

87

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

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

osud.cz best practices score

75

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

osud.cz SEO score

93

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

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 Osud.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 Osud.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 OSUD. 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: