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

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.321

36/100

15%

TTI (Time to Interactive)

Value13.0 s

12/100

10%

www.jobs.cz

570 ms

npu0sio.css

72 ms

css2

36 ms

Foundation.7b6a3951.css

134 ms

Helpers.7b6282a5.css

149 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Cvonline.cz, 33% (25 requests) were made to Aeqqktywno.cloudimg.io and 12% (9 requests) were made to Jobs.cz. The less responsive or slowest element that took the longest time to load (898 ms) relates to the external source Aeqqktywno.cloudimg.io.

Content Size

1.2 MB

After Optimization

1.0 MB

In fact, the total size of Cvonline.cz main page is 1.2 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. 55% of websites need less resources to load. Images take 518.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 157.2 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 157.2 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 9.1 kB

Original 518.7 kB
After minification 509.6 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. Cvonline images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 487 B

Original 424.7 kB
After minification 424.7 kB
After compression 424.2 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. Cvonline.cz has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cvonline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

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.

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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/).

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 Cvonline.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 Cvonline.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

cvonline.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

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

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.jobs.cz

npu0sio.css

css2

Foundation.7b6a3951.css

Helpers.7b6282a5.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.jobs.cz

npu0sio.css

css2

Foundation.7b6a3951.css

Helpers.7b6282a5.css

Components.6de4695f.css

Utilities.40b989f9.css

6945.e7e0735c.css

HomepageEntry.bdaae66b.css

jquery.min.js

routing.js

deprecated-browser.js

p.css

a1a8ee4e-eb12-11ec-9d72-0242ac110006.jpg

120171-minar-google-worksspace.png:preview1x

GettyImages-1977387912-596x446.jpg

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GettyImages-1460419757-596x446.jpg

GettyImages-531548858-1-596x446.jpg

illustration-file-alt.svg

illustration-chart.svg

illustration-coins.svg

illustration-more-inspiration.svg

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25b21040-45bb-11ee-b27c-0242ac110019.jpg

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a4786426-3b2e-11ed-b049-0242ac110006.png

019ff380-5e53-11ec-9354-0242ac110014.png