Tools & Wizards About Us
cngplus.cz screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

cngplus.cz

CNG+

Page Load Speed

3.4 sec in total

First Response

617 ms

Resources Loaded

2.5 sec

Page Rendered

256 ms

cngplus.cz screenshot

About Website

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

CNG+ je přehledný a denně aktualizovaný portál pro zájemce či uživatele vozů poháněných CNG či biometanem.

Visit cngplus.cz

Key Findings

We analyzed Cngplus.cz page load time and found that the first response time was 617 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

cngplus.cz performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.171

70/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

www.cngplus.cz

617 ms

stylesheet-1628664805.css

192 ms

app-1627036033.js

473 ms

jquery-ui.min.css

293 ms

jquery-ui.min.js

501 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 88% of them (35 requests) were addressed to the original Cngplus.cz, 8% (3 requests) were made to Connect.facebook.net and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (863 ms) belongs to the original domain Cngplus.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.2 kB (7%)

Content Size

2.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cngplus.cz main page is 2.2 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. 55% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 51.4 kB

  • Original 62.1 kB
  • After minification 53.9 kB
  • After compression 10.7 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. This page needs HTML code to be minified as it can gain 8.2 kB, which is 13% 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 51.4 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 95.7 kB

  • Original 2.0 MB
  • After minification 1.9 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. CNG Plus images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.3 kB

  • Original 146.7 kB
  • After minification 146.7 kB
  • After compression 145.4 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

-2%

Potential reduce by 804 B

  • Original 36.8 kB
  • After minification 36.8 kB
  • After compression 36.0 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. Cngplus.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (14%)

Requests Now

35

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CNG Plus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.cngplus.cz

www.cngplus.cz

617 ms

stylesheet-1628664805.css

stylesheet-1628664805.css

192 ms

app-1627036033.js

app-1627036033.js

473 ms

jquery-ui.min.css

jquery-ui.min.css

293 ms

jquery-ui.min.js

jquery-ui.min.js

501 ms

js

js

66 ms

logo-cngplus.svg

logo-cngplus.svg

113 ms

mapa.svg

mapa.svg

112 ms

kalkulacka.svg

kalkulacka.svg

111 ms

tabule.svg

tabule.svg

114 ms

graf.svg

graf.svg

202 ms

bubliny.svg

bubliny.svg

206 ms

karta.svg

karta.svg

207 ms

540x405-1716384997-size4-1671221803-podbabska-retus.jpg

540x405-1716384997-size4-1671221803-podbabska-retus.jpg

389 ms

540x405-1714836682-878a9993.jpg

540x405-1714836682-878a9993.jpg

484 ms

540x405-1713778199-size1-1579033048-img-0873.jpg

540x405-1713778199-size1-1579033048-img-0873.jpg

696 ms

size1-1481801710-img-20161215-113913.jpg

size1-1481801710-img-20161215-113913.jpg

699 ms

size1-1448441926-1448403697-pilsen-waycng-tankstellepreismast.jpg

size1-1448441926-1448403697-pilsen-waycng-tankstellepreismast.jpg

602 ms

size1-1485181885-foto-hodoni-n.jpg

size1-1485181885-foto-hodoni-n.jpg

702 ms

size1.jpg

size1.jpg

484 ms

fm-154590943031-img-20181009-174013.jpg

fm-154590943031-img-20181009-174013.jpg

673 ms

size1.jpg

size1.jpg

579 ms

fm-152958278692-img-20180618-125320.jpg

fm-152958278692-img-20180618-125320.jpg

770 ms

banner-bonett.jpg

banner-bonett.jpg

703 ms

EON_CNG_banner_271x271.jpg

EON_CNG_banner_271x271.jpg

767 ms

unidataz-250x250.png

unidataz-250x250.png

795 ms

SEFE_CNG_banner_271x271.jpg

SEFE_CNG_banner_271x271.jpg

797 ms

bonnetcng.png

bonnetcng.png

801 ms

eon-logo.svg

eon-logo.svg

802 ms

sefe-logo.png

sefe-logo.png

863 ms

all.js

all.js

61 ms

fbevents.js

fbevents.js

63 ms

sourcesanspro-light.woff

sourcesanspro-light.woff

814 ms

sourcesanspro-regular.woff

sourcesanspro-regular.woff

844 ms

sourcesanspro-bold.woff

sourcesanspro-bold.woff

845 ms

fontello.woff

fontello.woff

861 ms

fancybox-cz.js

fancybox-cz.js

858 ms

b-1715847850-878a0140.jpg

b-1715847850-878a0140.jpg

857 ms

all.js

all.js

29 ms

82 ms

Accessibility Review

cngplus.cz accessibility score

90

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

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

cngplus.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

cngplus.cz SEO score

98

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

High

Tap targets are not sized appropriately

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 Cngplus.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 Cngplus.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

cngplus.cz

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