Tools & Wizards About Us

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

ozona.jobs.cz

Jobs.cz – skvělá šance na skvělý job – nabídka práce, volná pracovní místa, brigády i vzdělávání a rozvoj

Page Load Speed

2.9 sec in total

First Response

14 ms

Resources Loaded

1.9 sec

Page Rendered

1 sec

About Website

Welcome to ozona.jobs.cz homepage info - get ready to check Ozo Na Jobs best content for Czech Republic right away, or after learning these important things about ozona.jobs.cz

Jobs.cz nabízí spojení s elitou českých i zahraničních zaměstnavatelů. Vyberte si z aktuální nabídky práce a brigád v ČR i v zahraničí. Načerpejte informace z rozsáhlé poradny, vyberte si vysokou škol...

Visit ozona.jobs.cz

Key Findings

We analyzed Ozona.jobs.cz page load time and found that the first response time was 14 ms and then it took 2.9 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

ozona.jobs.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value2,440 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.321

36/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

ozona.jobs.cz

14 ms

ozona.jobs.cz

414 ms

www.jobs.cz

703 ms

npu0sio.css

92 ms

css2

96 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Ozona.jobs.cz, 38% (29 requests) were made to Ijobs.cz and 32% (25 requests) were made to Aeqqktywno.cloudimg.io. The less responsive or slowest element that took the longest time to load (751 ms) relates to the external source Seduocz.educdn.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 168.3 kB (16%)

Content Size

1.1 MB

After Optimization

888.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ozona.jobs.cz main page is 1.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 424.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 157.3 kB

  • Original 204.1 kB
  • After minification 173.4 kB
  • After compression 46.9 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 30.8 kB, which is 15% 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 157.3 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 10.5 kB

  • Original 391.5 kB
  • After minification 381.0 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. Ozo Na Jobs images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 435 B

  • Original 424.2 kB
  • After minification 424.2 kB
  • After compression 423.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 142 B

  • Original 36.5 kB
  • After minification 36.5 kB
  • After compression 36.4 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. Ozona.jobs.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 38 (57%)

Requests Now

67

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ozo Na Jobs. 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ozona.jobs.cz accessibility score

74

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

ozona.jobs.cz best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ozona.jobs.cz SEO score

97

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 Ozona.jobs.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 Ozona.jobs.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 Ozo Na Jobs. 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: