Tools & Wizards About Us
mereni-vykonu.cz screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

mereni-vykonu.cz

100% legální chiptuning pro zvýšení výkonu motoru

Page Load Speed

6.6 sec in total

First Response

311 ms

Resources Loaded

5.6 sec

Page Rendered

631 ms

mereni-vykonu.cz screenshot

About Website

Click here to check amazing Mereni Vykonu content for Czech Republic. Otherwise, check out these important facts you probably never knew about mereni-vykonu.cz

Využijte skryté možnosti vašeho vozidla. Atestovaný chiptuning s možností zápisu do technického průkazu.

Visit mereni-vykonu.cz

Key Findings

We analyzed Mereni-vykonu.cz page load time and found that the first response time was 311 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

mereni-vykonu.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.538

14/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

mereni-vykonu.cz

311 ms

www.mereni-vykonu.cz

830 ms

cssloader-f6fa31870e12.css

329 ms

css

35 ms

jsloader-ef5ac8614c97-jquery-1.9.1.min.js

309 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 71% of them (67 requests) were addressed to the original Mereni-vykonu.cz, 8% (8 requests) were made to Apis.google.com and 3% (3 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Mereni-vykonu.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (55%)

Content Size

3.4 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mereni-vykonu.cz main page is 3.4 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. 70% of websites need less resources to load. Javascripts take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 268.0 kB

  • Original 326.0 kB
  • After minification 320.4 kB
  • After compression 58.0 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. 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 268.0 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 58.6 kB

  • Original 1.1 MB
  • After minification 1.0 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. Mereni Vykonu images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 1.3 MB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 403.1 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 1.3 MB or 77% of the original size.

CSS Optimization

-86%

Potential reduce by 241.0 kB

  • Original 280.9 kB
  • After minification 259.6 kB
  • After compression 39.9 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. Mereni-vykonu.cz needs all CSS files to be minified and compressed as it can save up to 241.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (64%)

Requests Now

83

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mereni Vykonu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

mereni-vykonu.cz

mereni-vykonu.cz

311 ms

www.mereni-vykonu.cz

www.mereni-vykonu.cz

830 ms

cssloader-f6fa31870e12.css

cssloader-f6fa31870e12.css

329 ms

css

css

35 ms

jsloader-ef5ac8614c97-jquery-1.9.1.min.js

jsloader-ef5ac8614c97-jquery-1.9.1.min.js

309 ms

jsloader-190da586939a-jquery-ui-1.10.3.custom.min.js

jsloader-190da586939a-jquery-ui-1.10.3.custom.min.js

430 ms

jsloader-dc02788ceb3a-jquery-ui-1.10.3.custom.datepickeronly.min.js

jsloader-dc02788ceb3a-jquery-ui-1.10.3.custom.datepickeronly.min.js

213 ms

jsloader-bf75ff6d320b-gmap3.min.js

jsloader-bf75ff6d320b-gmap3.min.js

214 ms

jsloader-aaa9e37b2896-modernizr.custom.13031.js

jsloader-aaa9e37b2896-modernizr.custom.13031.js

211 ms

jsloader-e9c3fb9233ce-jquery.iosslider.js

jsloader-e9c3fb9233ce-jquery.iosslider.js

322 ms

jsloader-81b9a5b9f994-jquery.selectbox-0.2.js

jsloader-81b9a5b9f994-jquery.selectbox-0.2.js

322 ms

jsloader-09f794ecf455-jQueryRotateCompressed.js

jsloader-09f794ecf455-jQueryRotateCompressed.js

325 ms

jsloader-c28f4543db19-jquery.livequery.js

jsloader-c28f4543db19-jquery.livequery.js

408 ms

jsloader-d76378b1e24f-live-form-validation.js

jsloader-d76378b1e24f-live-form-validation.js

471 ms

jsloader-01b61049f994-jquery.nette.js

jsloader-01b61049f994-jquery.nette.js

470 ms

jsloader-3b81298689a7-bootstrap.min.js

jsloader-3b81298689a7-bootstrap.min.js

473 ms

jsloader-e15c4868cd90-jquery.color.js

jsloader-e15c4868cd90-jquery.color.js

472 ms

jsloader-e8e79a7aac19-highcharts.js

jsloader-e8e79a7aac19-highcharts.js

613 ms

jsloader-15c764a5076d-cufon-yui.js

jsloader-15c764a5076d-cufon-yui.js

533 ms

jsloader-5ddfd1d6a563-Exo.js

jsloader-5ddfd1d6a563-Exo.js

860 ms

jsloader-a95e909487d6-jquery-ajax-forms-nette.js

jsloader-a95e909487d6-jquery-ajax-forms-nette.js

534 ms

jsloader-61501cb5becd-jquery.plugin.js

jsloader-61501cb5becd-jquery.plugin.js

541 ms

jsloader-54479f511dfd-jquery.countdown.js

jsloader-54479f511dfd-jquery.countdown.js

543 ms

jsloader-53644eeddf49-functions.js

jsloader-53644eeddf49-functions.js

639 ms

jsloader-49ada181a8aa-analytics.js

jsloader-49ada181a8aa-analytics.js

640 ms

jsloader-77e0af83754e-underscore-min.js

jsloader-77e0af83754e-underscore-min.js

648 ms

platform.js

platform.js

63 ms

conversion.js

conversion.js

14 ms

retargeting.js

retargeting.js

379 ms

html-bg.png

html-bg.png

302 ms

ga.js

ga.js

134 ms

body-bg.png

body-bg.png

742 ms

header-bg.png

header-bg.png

131 ms

ico-phone.png

ico-phone.png

129 ms

menu-bg.png

menu-bg.png

129 ms

logo.png

logo.png

130 ms

menu-hover-bg.png

menu-hover-bg.png

127 ms

iso.png

iso.png

240 ms

medium.png

medium.png

317 ms

medium.png

medium.png

726 ms

medium.png

medium.png

322 ms

tacho-winter.png

tacho-winter.png

752 ms

tacho-bg2.png

tacho-bg2.png

199 ms

tacho-bg1.png

tacho-bg1.png

405 ms

tacho-arrow.png

tacho-arrow.png

304 ms

tacho-point.png

tacho-point.png

303 ms

tacho-numbers.png

tacho-numbers.png

409 ms

iso-bg.png

iso-bg.png

415 ms

more-arrow.png

more-arrow.png

510 ms

step-point-bg.png

step-point-bg.png

525 ms

points.png

points.png

688 ms

boxes2.png

boxes2.png

615 ms

strike-price.png

strike-price.png

629 ms

shadow-bg.png

shadow-bg.png

1586 ms

icon-clock.png

icon-clock.png

727 ms

icon-performence.png

icon-performence.png

724 ms

footer-repeat-bg.png

footer-repeat-bg.png

736 ms

footer-bg.png

footer-bg.png

789 ms

footer-menu-bg.png

footer-menu-bg.png

832 ms

footer-7interactive-logo.png

footer-7interactive-logo.png

832 ms

footer-campperformance-logo.png

footer-campperformance-logo.png

841 ms

400.woff

400.woff

855 ms

200.woff

200.woff

895 ms

700.woff

700.woff

933 ms

900.woff

900.woff

1792 ms

700-italic.woff

700-italic.woff

956 ms

400-italic.woff

400-italic.woff

971 ms

200-italic.woff

200-italic.woff

1007 ms

59 ms

__utm.gif

__utm.gif

41 ms

retargeting

retargeting

113 ms

all.js

all.js

279 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

18 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

40 ms

fastbutton

fastbutton

122 ms

ajax.gif

ajax.gif

937 ms

66 ms

postmessageRelay

postmessageRelay

41 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

44 ms

rpc:shindig_random.js

rpc:shindig_random.js

46 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

23 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

22 ms

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

34 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

14 ms

92 ms

xd_arbiter.php

xd_arbiter.php

220 ms

xd_arbiter.php

xd_arbiter.php

431 ms

step-box-center.png

step-box-center.png

122 ms

scroll-top-bg.png

scroll-top-bg.png

110 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

114 ms

like.php

like.php

101 ms

share_button.php

share_button.php

115 ms

h5Lp5Et_eC4.js

h5Lp5Et_eC4.js

487 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

362 ms

h5Lp5Et_eC4.js

h5Lp5Et_eC4.js

490 ms

Accessibility Review

mereni-vykonu.cz accessibility score

69

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

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

mereni-vykonu.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

mereni-vykonu.cz SEO score

92

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

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 Mereni-vykonu.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 Mereni-vykonu.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

mereni-vykonu.cz

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