Tools & Wizards About Us
odposlech-mobilu.cz screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

odposlech-mobilu.cz

Zserver s.r.o. - specializovaný webhosting -  sdílená IP adresa

Page Load Speed

6.6 sec in total

First Response

2.3 sec

Resources Loaded

3.9 sec

Page Rendered

356 ms

odposlech-mobilu.cz screenshot

About Website

Click here to check amazing Odposlech Mobilu content. Otherwise, check out these important facts you probably never knew about odposlech-mobilu.cz

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Key Findings

We analyzed Odposlech-mobilu.cz page load time and found that the first response time was 2.3 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

odposlech-mobilu.cz performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

www.odposlech-mobilu.cz

2344 ms

47f689d0699c68e3d751e5fe0939903e_all.css

116 ms

7efbe1ab984e29eff6e1fa8e38a29fd3.js

341 ms

pluginDetect.js

229 ms

bg_header.png

113 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Odposlech-mobilu.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Odposlech-mobilu.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.7 kB (48%)

Content Size

389.9 kB

After Optimization

203.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Odposlech-mobilu.cz main page is 389.9 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. 25% of websites need less resources to load. Images take 175.6 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 16.4 kB

  • Original 23.1 kB
  • After minification 23.1 kB
  • After compression 6.7 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 16.4 kB or 71% of the original size.

Image Optimization

-19%

Potential reduce by 33.3 kB

  • Original 175.6 kB
  • After minification 142.3 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, Odposlech Mobilu needs image optimization as it can save up to 33.3 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 95.3 kB

  • Original 140.2 kB
  • After minification 140.2 kB
  • After compression 45.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 95.3 kB or 68% of the original size.

CSS Optimization

-82%

Potential reduce by 41.7 kB

  • Original 50.9 kB
  • After minification 50.4 kB
  • After compression 9.2 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. Odposlech-mobilu.cz needs all CSS files to be minified and compressed as it can save up to 41.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (38%)

Requests Now

29

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Odposlech Mobilu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

www.odposlech-mobilu.cz

www.odposlech-mobilu.cz

2344 ms

47f689d0699c68e3d751e5fe0939903e_all.css

47f689d0699c68e3d751e5fe0939903e_all.css

116 ms

7efbe1ab984e29eff6e1fa8e38a29fd3.js

7efbe1ab984e29eff6e1fa8e38a29fd3.js

341 ms

pluginDetect.js

pluginDetect.js

229 ms

bg_header.png

bg_header.png

113 ms

logo.jpg

logo.jpg

220 ms

searchbtn.png

searchbtn.png

120 ms

banner1.jpg

banner1.jpg

331 ms

banner2.jpg

banner2.jpg

331 ms

banner3.jpg

banner3.jpg

334 ms

banner4.jpg

banner4.jpg

350 ms

3.jpg

3.jpg

238 ms

universal-spy-pro.jpg

universal-spy-pro.jpg

330 ms

universal-spy.jpg

universal-spy.jpg

356 ms

odposlech-mobilu-symbian-pro.jpg

odposlech-mobilu-symbian-pro.jpg

439 ms

universal-spy-pro.jpg

universal-spy-pro.jpg

440 ms

universal-spy.jpg

universal-spy.jpg

440 ms

header_acc.png

header_acc.png

440 ms

header_cart.png

header_cart.png

460 ms

categories_bg.png

categories_bg.png

466 ms

categories_item.png

categories_item.png

539 ms

center_col_title.png

center_col_title.png

539 ms

featured_item.png

featured_item.png

542 ms

block_grad.png

block_grad.png

526 ms

block_top.png

block_top.png

554 ms

arrow_white_down.png

arrow_white_down.png

568 ms

arrow_white_up.png

arrow_white_up.png

633 ms

block_bottom.png

block_bottom.png

631 ms

btn_button.png

btn_button.png

634 ms

bg_footer.png

bg_footer.png

635 ms

Accessibility Review

odposlech-mobilu.cz accessibility score

60

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.

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

Best Practices

odposlech-mobilu.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

odposlech-mobilu.cz SEO score

69

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

Image elements do not have [alt] attributes

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 Odposlech-mobilu.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 Odposlech-mobilu.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

odposlech-mobilu.cz

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