Tools & Wizards About Us
chcidoo2.cz screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

chcidoo2.cz

O2 | Kariéra | Měň s námi svět k lepšímu

Page Load Speed

2.7 sec in total

First Response

353 ms

Resources Loaded

2.2 sec

Page Rendered

170 ms

chcidoo2.cz screenshot

About Website

Welcome to chcidoo2.cz homepage info - get ready to check Chcido O2 best content for Czech Republic right away, or after learning these important things about chcidoo2.cz

O2 Kariéra - Vyber si pozici podle svých představ. Prodejna, Zákaznické centrum, Centrála, IT & Technology nebo Sales. Máme práci pro každého, kdo chce víc.

Visit chcidoo2.cz

Key Findings

We analyzed Chcidoo2.cz page load time and found that the first response time was 353 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

chcidoo2.cz performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value1,510 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value11.0 s

20/100

10%

Network Requests Diagram

chcidoo2.cz

353 ms

www.chcidoo2.cz

752 ms

styles-main_css_bundle.css

335 ms

jquery.min.js

31 ms

376649_972832_tdi_bundle_1._7._7.js

275 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 59% of them (19 requests) were addressed to the original Chcidoo2.cz, 6% (2 requests) were made to Connect.facebook.net and 6% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (752 ms) belongs to the original domain Chcidoo2.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 405.0 kB (58%)

Content Size

693.2 kB

After Optimization

288.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chcidoo2.cz main page is 693.2 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. 35% of websites need less resources to load. Javascripts take 367.9 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 16.3 kB

  • Original 23.1 kB
  • After minification 22.4 kB
  • After compression 6.8 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 16.3 kB or 70% of the original size.

Image Optimization

-1%

Potential reduce by 978 B

  • Original 139.8 kB
  • After minification 138.9 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. Chcido O2 images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 257.6 kB

  • Original 367.9 kB
  • After minification 295.7 kB
  • After compression 110.3 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 257.6 kB or 70% of the original size.

CSS Optimization

-80%

Potential reduce by 130.1 kB

  • Original 162.3 kB
  • After minification 133.7 kB
  • After compression 32.3 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. Chcidoo2.cz needs all CSS files to be minified and compressed as it can save up to 130.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (47%)

Requests Now

30

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chcido O2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

chcidoo2.cz

chcidoo2.cz

353 ms

www.chcidoo2.cz

www.chcidoo2.cz

752 ms

styles-main_css_bundle.css

styles-main_css_bundle.css

335 ms

jquery.min.js

jquery.min.js

31 ms

376649_972832_tdi_bundle_1._7._7.js

376649_972832_tdi_bundle_1._7._7.js

275 ms

376778_973177_bootstrap.js

376778_973177_bootstrap.js

292 ms

376840_974674_drawers.js

376840_974674_drawers.js

289 ms

377486_975361_modal_dialog.js

377486_975361_modal_dialog.js

272 ms

331779_935330_modal_dialog_new.js

331779_935330_modal_dialog_new.js

240 ms

198829_458419_form_plugins.js

198829_458419_form_plugins.js

475 ms

376655_990262_modularEqualHeight.js

376655_990262_modularEqualHeight.js

502 ms

gtm.js

gtm.js

71 ms

412955_1083154_O2_Heart_Bubble_Trans_RGB.jpg

412955_1083154_O2_Heart_Bubble_Trans_RGB.jpg

277 ms

380991_983009_hp_konzultant.jpg

380991_983009_hp_konzultant.jpg

329 ms

380989_983008_hp_call.jpg

380989_983008_hp_call.jpg

339 ms

375051_1023438_page_big_visual.jpg

375051_1023438_page_big_visual.jpg

589 ms

375043_976089_chcidoo2_logo.png

375043_976089_chcidoo2_logo.png

331 ms

sdk.js

sdk.js

161 ms

298766_730420_opensans_regular_webfont_woff.woff

298766_730420_opensans_regular_webfont_woff.woff

497 ms

375057_968528_social_bg.png

375057_968528_social_bg.png

472 ms

298760_730414_opensans_light_webfont_woff.woff

298760_730414_opensans_light_webfont_woff.woff

653 ms

333189_874934_OpenSans_Semibold_webfont.woff

333189_874934_OpenSans_Semibold_webfont.woff

630 ms

dc.js

dc.js

29 ms

inpage_linkid.js

inpage_linkid.js

18 ms

__utm.gif

__utm.gif

17 ms

hotjar-31265.js

hotjar-31265.js

131 ms

fbevents.js

fbevents.js

52 ms

181 ms

xd_arbiter.php

xd_arbiter.php

264 ms

xd_arbiter.php

xd_arbiter.php

270 ms

187 ms

modules-043c1e6abe660c48857202e419ff9d8a.js

modules-043c1e6abe660c48857202e419ff9d8a.js

44 ms

Accessibility Review

chcidoo2.cz accessibility score

98

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.

Best Practices

chcidoo2.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

Page has valid source maps

SEO Factors

chcidoo2.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chcidoo2.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Chcidoo2.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

chcidoo2.cz

Open Graph data is detected on the main page of Chcido O2. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: