Tools & Wizards About Us
zeebra.cz screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

zeebra.cz

Zeebra Recruitment Services

Page Load Speed

3.9 sec in total

First Response

385 ms

Resources Loaded

2.6 sec

Page Rendered

926 ms

zeebra.cz screenshot

About Website

Click here to check amazing Zeebra content for Czech Republic. Otherwise, check out these important facts you probably never knew about zeebra.cz

Zeebra are a Prague based IT recruitment consultancy offering 100's of IT jobs. We look for Programmers, Developers, Admins and other IT specialists.

Visit zeebra.cz

Key Findings

We analyzed Zeebra.cz page load time and found that the first response time was 385 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

zeebra.cz performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value5.3 s

57/100

10%

TBT (Total Blocking Time)

Value1,060 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

zeebra.cz

385 ms

zeebra.cz

504 ms

css

36 ms

bootstrap.css

190 ms

jquery.formstyler.css

283 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 77% of them (64 requests) were addressed to the original Zeebra.cz, 7% (6 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Zeebra.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 520.3 kB (26%)

Content Size

2.0 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zeebra.cz main page is 2.0 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. 60% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 170.8 kB

  • Original 183.8 kB
  • After minification 83.8 kB
  • After compression 13.0 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 100.0 kB, which is 54% 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 170.8 kB or 93% of the original size.

Image Optimization

-3%

Potential reduce by 33.1 kB

  • Original 1.2 MB
  • After minification 1.2 MB

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. Zeebra images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 197.2 kB

  • Original 478.0 kB
  • After minification 428.3 kB
  • After compression 280.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 197.2 kB or 41% of the original size.

CSS Optimization

-85%

Potential reduce by 119.2 kB

  • Original 140.4 kB
  • After minification 117.2 kB
  • After compression 21.2 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. Zeebra.cz needs all CSS files to be minified and compressed as it can save up to 119.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (33%)

Requests Now

70

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zeebra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zeebra.cz

zeebra.cz

385 ms

zeebra.cz

zeebra.cz

504 ms

css

css

36 ms

bootstrap.css

bootstrap.css

190 ms

jquery.formstyler.css

jquery.formstyler.css

283 ms

skin.css

skin.css

289 ms

style.css

style.css

385 ms

jquery-1.8.0.min.js

jquery-1.8.0.min.js

390 ms

bootstrap.js

bootstrap.js

292 ms

jquery.formstyler.js

jquery.formstyler.js

299 ms

jquery.jcarousel.js

jquery.jcarousel.js

378 ms

custom.js

custom.js

382 ms

api.js

api.js

38 ms

fbevents.js

fbevents.js

341 ms

box_main_page2.png

box_main_page2.png

725 ms

logo.png

logo.png

349 ms

icon_social_1.png

icon_social_1.png

349 ms

icon_social_2.png

icon_social_2.png

348 ms

icon_social_3.png

icon_social_3.png

347 ms

4finance.png

4finance.png

347 ms

NCR.png

NCR.png

452 ms

absa.png

absa.png

451 ms

attune.png

attune.png

451 ms

barclays.png

barclays.png

451 ms

csas.png

csas.png

451 ms

infor.png

infor.png

599 ms

pure.png

pure.png

599 ms

box_search.png

box_search.png

598 ms

search_bottom.png

search_bottom.png

600 ms

button_search.png

button_search.png

600 ms

box_skill.png

box_skill.png

632 ms

marker_select_2_green.png

marker_select_2_green.png

630 ms

marker_select_3_green.png

marker_select_3_green.png

630 ms

marker_list_right.png

marker_list_right.png

632 ms

tab_on_bottom.png

tab_on_bottom.png

640 ms

icon_software.png

icon_software.png

724 ms

icon_city.png

icon_city.png

725 ms

category_right.png

category_right.png

735 ms

hot.png

hot.png

726 ms

content_bottom_outsource.jpg

content_bottom_outsource.jpg

1136 ms

sri_lanka.png

sri_lanka.png

816 ms

tech_stack.png

tech_stack.png

817 ms

full_service.png

full_service.png

817 ms

experience.png

experience.png

821 ms

content_bottom.jpg

content_bottom.jpg

1295 ms

recIcon1.png

recIcon1.png

910 ms

recIcon2.png

recIcon2.png

910 ms

recIcon3.png

recIcon3.png

910 ms

recIcon4.png

recIcon4.png

914 ms

recaptcha__de.js

recaptcha__de.js

360 ms

box_aboutus.png

box_aboutus.png

941 ms

KFOmCnqEu92Fr1Mu5mxP.ttf

KFOmCnqEu92Fr1Mu5mxP.ttf

344 ms

KFOlCnqEu92Fr1MmSU5fABc9.ttf

KFOlCnqEu92Fr1MmSU5fABc9.ttf

373 ms

KFOlCnqEu92Fr1MmWUlfABc9.ttf

KFOlCnqEu92Fr1MmWUlfABc9.ttf

373 ms

KFOlCnqEu92Fr1MmYUtfABc9.ttf

KFOlCnqEu92Fr1MmYUtfABc9.ttf

408 ms

analytics.js

analytics.js

279 ms

Gotham-Light.woff

Gotham-Light.woff

661 ms

Gotham-Bold.woff

Gotham-Bold.woff

661 ms

Gotham-Book.woff

Gotham-Book.woff

671 ms

Gotham-Black.woff

Gotham-Black.woff

754 ms

Gotham-Medium.woff

Gotham-Medium.woff

754 ms

collect

collect

47 ms

fallback

fallback

66 ms

collect

collect

66 ms

js

js

92 ms

bgr-blue-end.png

bgr-blue-end.png

651 ms

logo-bigger.png

logo-bigger.png

663 ms

graph-aboutus.png

graph-aboutus.png

838 ms

contact-us-bgr.png

contact-us-bgr.png

838 ms

img_button_0.png

img_button_0.png

724 ms

fallback__ltr.css

fallback__ltr.css

10 ms

ga-audiences

ga-audiences

125 ms

css

css

18 ms

logo_48.png

logo_48.png

90 ms

img_button_1.png

img_button_1.png

608 ms

img_button_7.png

img_button_7.png

632 ms

img_button_2.png

img_button_2.png

690 ms

img_button_3.png

img_button_3.png

702 ms

img_button_6.png

img_button_6.png

729 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

5 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

4 ms

mask.png

mask.png

753 ms

buttons_carusel.png

buttons_carusel.png

752 ms

Accessibility Review

zeebra.cz accessibility score

74

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zeebra.cz best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zeebra.cz SEO score

74

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zeebra.cz can be misinterpreted by Google and other search engines. Our service has detected that English 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 Zeebra.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

zeebra.cz

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