Tools & Wizards About Us
zoohoo.cz screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

zoohoo.cz

ZooHoo

Page Load Speed

3.6 sec in total

First Response

434 ms

Resources Loaded

2.9 sec

Page Rendered

322 ms

zoohoo.cz screenshot

About Website

Visit zoohoo.cz now to see the best up-to-date Zoo Hoo content for India and also check out these interesting facts you probably never knew about zoohoo.cz

Časopis ZooHoo - vaše nejlepší průvodce světem zvířat a přírody. Zábavné a poučné články, fotogalerie, novinky ze zoologických zahrad. Připojte se k nám!

Visit zoohoo.cz

Key Findings

We analyzed Zoohoo.cz page load time and found that the first response time was 434 ms and then it took 3.2 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

zoohoo.cz performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value3,930 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

zoohoo.cz

434 ms

zoohoo.cz

488 ms

styles.css

167 ms

skin.css

229 ms

adsbygoogle.js

111 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 35% of them (18 requests) were addressed to the original Zoohoo.cz, 23% (12 requests) were made to Googleads.g.doubleclick.net and 12% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (793 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.5 kB (9%)

Content Size

439.0 kB

After Optimization

399.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zoohoo.cz main page is 439.0 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. 50% of websites need less resources to load. Javascripts take 386.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 37.9 kB

  • Original 46.3 kB
  • After minification 46.2 kB
  • After compression 8.3 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 37.9 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 18 B

  • Original 1.1 kB
  • After minification 1.1 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. Zoo Hoo images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 756 B

  • Original 386.8 kB
  • After minification 386.8 kB
  • After compression 386.0 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

-16%

Potential reduce by 788 B

  • Original 4.9 kB
  • After minification 4.9 kB
  • After compression 4.1 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. Zoohoo.cz needs all CSS files to be minified and compressed as it can save up to 788 B or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (35%)

Requests Now

48

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zoo Hoo. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zoohoo.cz

zoohoo.cz

434 ms

zoohoo.cz

zoohoo.cz

488 ms

styles.css

styles.css

167 ms

skin.css

skin.css

229 ms

adsbygoogle.js

adsbygoogle.js

111 ms

zoohoo-small.webp

zoohoo-small.webp

337 ms

show_ads_impl.js

show_ads_impl.js

364 ms

hypoteka-nebo-uver-ze-stavebniho-sporeni-co-je-lepsi-small.webp

hypoteka-nebo-uver-ze-stavebniho-sporeni-co-je-lepsi-small.webp

175 ms

jaderna-energetika-v-cesku-i-ve-svete-small.webp

jaderna-energetika-v-cesku-i-ve-svete-small.webp

178 ms

3d-tiskarny-nejsou-pouze-zalezitosti-profesionalu-small.webp

3d-tiskarny-nejsou-pouze-zalezitosti-profesionalu-small.webp

290 ms

g37f3534ee2c4f479f332e465fc462c72e7be1ac95e8eb10ca57c7d592baa530c0d125c80383ebb2770913fbfd29b0fa47ca4cbaeceed16f19e33657557516c84-1280-large.webp

g37f3534ee2c4f479f332e465fc462c72e7be1ac95e8eb10ca57c7d592baa530c0d125c80383ebb2770913fbfd29b0fa47ca4cbaeceed16f19e33657557516c84-1280-large.webp

409 ms

usetrene-penize-large.webp

usetrene-penize-large.webp

408 ms

3d-tiskarny-nejsou-pouze-zalezitosti-profesionalu-large.webp

3d-tiskarny-nejsou-pouze-zalezitosti-profesionalu-large.webp

451 ms

hypoteka-nebo-uver-ze-stavebniho-sporeni-co-je-lepsi-large.webp

hypoteka-nebo-uver-ze-stavebniho-sporeni-co-je-lepsi-large.webp

564 ms

mistrovstvi-sveta-silnicnich-motocyklu-do-detailu-large.webp

mistrovstvi-sveta-silnicnich-motocyklu-do-detailu-large.webp

458 ms

akcie-mohou-prinest-velice-zajimavy-zisk-large.webp

akcie-mohou-prinest-velice-zajimavy-zisk-large.webp

515 ms

ios-je-oblibenym-mobilnim-systemem-large.webp

ios-je-oblibenym-mobilnim-systemem-large.webp

530 ms

intel-je-technologickym-gigantem-sveta-large.webp

intel-je-technologickym-gigantem-sveta-large.webp

655 ms

jaderna-energetika-v-cesku-i-ve-svete-large.webp

jaderna-energetika-v-cesku-i-ve-svete-large.webp

693 ms

android-je-popularni-a-oblibeny-mobilni-system-large.webp

android-je-popularni-a-oblibeny-mobilni-system-large.webp

589 ms

css2

css2

26 ms

zrt_lookup.html

zrt_lookup.html

35 ms

ads

ads

441 ms

ads

ads

511 ms

reactive_library.js

reactive_library.js

297 ms

ca-pub-6122204646002237

ca-pub-6122204646002237

73 ms

3b0c1a1c8750041eb27603629860e89a.js

3b0c1a1c8750041eb27603629860e89a.js

80 ms

load_preloaded_resource.js

load_preloaded_resource.js

79 ms

f11bfab4e3c942216447974439595ef6.js

f11bfab4e3c942216447974439595ef6.js

97 ms

abg_lite.js

abg_lite.js

112 ms

window_focus.js

window_focus.js

118 ms

qs_click_protection.js

qs_click_protection.js

119 ms

ufs_web_display.js

ufs_web_display.js

74 ms

bbae3fd3506d8d9338f85d10ea9db8af.js

bbae3fd3506d8d9338f85d10ea9db8af.js

116 ms

ads

ads

299 ms

ads

ads

793 ms

ads

ads

210 ms

ads

ads

289 ms

ads

ads

288 ms

ads

ads

179 ms

ads

ads

281 ms

icon.png

icon.png

175 ms

s

s

153 ms

css

css

31 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

12 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

46 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

52 ms

settings_grey600_24dp.png

settings_grey600_24dp.png

48 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

59 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

59 ms

activeview

activeview

82 ms

kTHMZx0cHIYckq4LfdquT7z-vs9NpzV_z4TqTqTEE8o.js

kTHMZx0cHIYckq4LfdquT7z-vs9NpzV_z4TqTqTEE8o.js

4 ms

Accessibility Review

zoohoo.cz accessibility score

88

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

zoohoo.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Page has valid source maps

SEO Factors

zoohoo.cz SEO score

100

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 Zoohoo.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 Zoohoo.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

zoohoo.cz

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