Tools & Wizards About Us
zdravi-sport.cz screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

zdravi-sport.cz

Zdravi-Sport.cz - masážní přístroje, hubnutí, rehabilitační pomůcky, zdravotnické potřeby, zdravotní pomůcky, sportovní potřeby

Page Load Speed

3.7 sec in total

First Response

526 ms

Resources Loaded

2.8 sec

Page Rendered

358 ms

zdravi-sport.cz screenshot

About Website

Welcome to zdravi-sport.cz homepage info - get ready to check Zdravi Sport best content for Czech Republic right away, or after learning these important things about zdravi-sport.cz

Zdravotnické potřeby, sportovní potřeby, fitness, masážní přístroje, hubnutí, kosmetické přístroje, zdravotní pomůcky, posilovací stroje

Visit zdravi-sport.cz

Key Findings

We analyzed Zdravi-sport.cz page load time and found that the first response time was 526 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

zdravi-sport.cz performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

zdravi-sport.cz

526 ms

www.zdravi-sport.cz

294 ms

www.zdravi-sport.cz

545 ms

style_1_0.css

106 ms

script_1_0.js

307 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 83% of them (52 requests) were addressed to the original Zdravi-sport.cz, 5% (3 requests) were made to Connect.facebook.net and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (752 ms) belongs to the original domain Zdravi-sport.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.0 kB (19%)

Content Size

666.0 kB

After Optimization

538.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zdravi-sport.cz main page is 666.0 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. 45% of websites need less resources to load. Images take 484.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 73.3 kB

  • Original 87.7 kB
  • After minification 71.0 kB
  • After compression 14.4 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 16.7 kB, which is 19% 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 73.3 kB or 84% of the original size.

Image Optimization

-11%

Potential reduce by 53.7 kB

  • Original 484.8 kB
  • After minification 431.1 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. Obviously, Zdravi Sport needs image optimization as it can save up to 53.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 90.4 kB
  • After minification 90.4 kB
  • After compression 90.4 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

-31%

Potential reduce by 942 B

  • Original 3.1 kB
  • After minification 3.1 kB
  • After compression 2.1 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. Zdravi-sport.cz needs all CSS files to be minified and compressed as it can save up to 942 B or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (45%)

Requests Now

60

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zdravi Sport. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zdravi-sport.cz

zdravi-sport.cz

526 ms

www.zdravi-sport.cz

www.zdravi-sport.cz

294 ms

www.zdravi-sport.cz

www.zdravi-sport.cz

545 ms

style_1_0.css

style_1_0.css

106 ms

script_1_0.js

script_1_0.js

307 ms

conversion.js

conversion.js

99 ms

bg.png

bg.png

115 ms

gtm.js

gtm.js

113 ms

adv1.png

adv1.png

103 ms

adv3.png

adv3.png

103 ms

adv4.png

adv4.png

187 ms

slide.jpg

slide.jpg

288 ms

27.jpg

27.jpg

379 ms

26.jpg

26.jpg

281 ms

25.jpg

25.jpg

475 ms

control_active.png

control_active.png

296 ms

control.png

control.png

296 ms

bottom_line.png

bottom_line.png

374 ms

choosen_top.png

choosen_top.png

380 ms

omlazeni-pleti-neck-slim-small_product.jpg

omlazeni-pleti-neck-slim-small_product.jpg

395 ms

button.png

button.png

393 ms

zestihlujici-vibracni-masazni-pas-w102-small_product.jpg

zestihlujici-vibracni-masazni-pas-w102-small_product.jpg

468 ms

usni-naslouchatko-jh905-nabijeci-small_product.jpg

usni-naslouchatko-jh905-nabijeci-small_product.jpg

472 ms

profesionalni-ultrazvukovy-cistic-pleti-us-047-small_product.jpg

profesionalni-ultrazvukovy-cistic-pleti-us-047-small_product.jpg

474 ms

detoxikace-organismu-hydrosana-ast-63a-small_product.jpg

detoxikace-organismu-hydrosana-ast-63a-small_product.jpg

491 ms

flag-green.png

flag-green.png

491 ms

flag-blue.png

flag-blue.png

562 ms

samozahrivaci-turmalinove-masazni-ponozky-small_product.jpg

samozahrivaci-turmalinove-masazni-ponozky-small_product.jpg

566 ms

flag-red.png

flag-red.png

566 ms

digitalni-naslouchatko-za-ucho-zinbest-vhp-221t-small_product.jpg

digitalni-naslouchatko-za-ucho-zinbest-vhp-221t-small_product.jpg

567 ms

ch_control_active.png

ch_control_active.png

589 ms

1.jpg

1.jpg

590 ms

label_li.png

label_li.png

653 ms

3.jpg

3.jpg

658 ms

4.jpg

4.jpg

659 ms

5.jpg

5.jpg

659 ms

posts.jpg

posts.jpg

686 ms

zena.jpg

zena.jpg

686 ms

blank.gif

blank.gif

747 ms

25.jpg

25.jpg

752 ms

all.png

all.png

751 ms

heureka.png

heureka.png

752 ms

sdk.js

sdk.js

25 ms

logo.png

logo.png

744 ms

ga.js

ga.js

21 ms

sdk.js

sdk.js

33 ms

__utm.gif

__utm.gif

70 ms

tel.png

tel.png

690 ms

s_input.png

s_input.png

745 ms

95 ms

s_submit.png

s_submit.png

685 ms

login.png

login.png

666 ms

retargeting.js

retargeting.js

589 ms

basket.png

basket.png

572 ms

menu.png

menu.png

639 ms

menuli.png

menuli.png

629 ms

karty.png

karty.png

682 ms

shopsys.jpg

shopsys.jpg

606 ms

foot_logo.png

foot_logo.png

602 ms

99 ms

fbevents.js

fbevents.js

41 ms

print.css

print.css

97 ms

33 ms

Accessibility Review

zdravi-sport.cz accessibility score

71

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.

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

Best Practices

zdravi-sport.cz best practices score

67

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

High

Page has valid source maps

SEO Factors

zdravi-sport.cz SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Zdravi-sport.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 Zdravi-sport.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

zdravi-sport.cz

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