Tools & Wizards About Us
varta-automotive.cz screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

varta-automotive.cz

Autobaterie VARTA® - získejte baterii od globální jedničky na trhu baterií.

Page Load Speed

1.9 sec in total

First Response

85 ms

Resources Loaded

1.4 sec

Page Rendered

383 ms

varta-automotive.cz screenshot

About Website

Click here to check amazing VARTA Automotive content for Czech Republic. Otherwise, check out these important facts you probably never knew about varta-automotive.cz

Nejlepší baterie pro osobní auta, motocykly, komerční vozidla, nákladní auta a sportovní vozidla. Baterie VARTA® je vždy nejlepším řešením.

Visit varta-automotive.cz

Key Findings

We analyzed Varta-automotive.cz page load time and found that the first response time was 85 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

varta-automotive.cz performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value3,180 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.667

8/100

15%

TTI (Time to Interactive)

Value36.1 s

0/100

10%

Network Requests Diagram

varta-automotive.cz

85 ms

cs-cz

393 ms

jquery.js

21 ms

varta.css

31 ms

modernizr.min.js

18 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 47% of them (17 requests) were addressed to the original Varta-automotive.cz, 42% (15 requests) were made to Dusj4r71pmvop.cloudfront.net and 6% (2 requests) were made to App.usercentrics.eu. The less responsive or slowest element that took the longest time to load (393 ms) belongs to the original domain Varta-automotive.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 691.4 kB (7%)

Content Size

10.1 MB

After Optimization

9.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Varta-automotive.cz main page is 10.1 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. Only a small number of websites need less resources to load. Images take 9.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 79.9 kB

  • Original 92.2 kB
  • After minification 60.7 kB
  • After compression 12.3 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. This page needs HTML code to be minified as it can gain 31.5 kB, which is 34% 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 79.9 kB or 87% of the original size.

Image Optimization

-6%

Potential reduce by 602.9 kB

  • Original 9.5 MB
  • After minification 8.9 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. VARTA Automotive images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 49 B

  • Original 370.7 kB
  • After minification 370.7 kB
  • After compression 370.6 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

-13%

Potential reduce by 8.5 kB

  • Original 67.1 kB
  • After minification 67.1 kB
  • After compression 58.6 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. Varta-automotive.cz needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (25%)

Requests Now

32

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VARTA Automotive. 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

varta-automotive.cz

varta-automotive.cz

85 ms

cs-cz

cs-cz

393 ms

jquery.js

jquery.js

21 ms

varta.css

varta.css

31 ms

modernizr.min.js

modernizr.min.js

18 ms

font-awesome.min.css

font-awesome.min.css

30 ms

loader.js

loader.js

98 ms

gtm.js

gtm.js

224 ms

gtm.js

gtm.js

244 ms

Background_Home.jpg

Background_Home.jpg

19 ms

VARTA_logo.png

VARTA_logo.png

17 ms

spritesheet.png

spritesheet.png

17 ms

CL-14983_VARTA_xEV_Campaign_Carousel_Banner_1920x650px_2023_02.jpg

CL-14983_VARTA_xEV_Campaign_Carousel_Banner_1920x650px_2023_02.jpg

220 ms

VARTA_Swoosh-Blue.jpg

VARTA_Swoosh-Blue.jpg

26 ms

Varta_ProMotiveAGM_on_blue_background_1920x650px.jpg

Varta_ProMotiveAGM_on_blue_background_1920x650px.jpg

221 ms

Varta_ProMotiveAGM_on_blue_background_1024x610px.jpg

Varta_ProMotiveAGM_on_blue_background_1024x610px.jpg

214 ms

MicrosoftTeams-image_3.jpg

MicrosoftTeams-image_3.jpg

218 ms

MicrosoftTeams-image_3.jpg

MicrosoftTeams-image_3.jpg

218 ms

VARTA_KV_1920x650px_EN.jpg

VARTA_KV_1920x650px_EN.jpg

213 ms

VARTA_KV_1024x610px_EN.jpg

VARTA_KV_1024x610px_EN.jpg

220 ms

Varta_Slider_1920x650.png

Varta_Slider_1920x650.png

228 ms

Varta_Slider_1024x610.png

Varta_Slider_1024x610.png

226 ms

battery_check_cz.png

battery_check_cz.png

222 ms

bundle_legacy.js

bundle_legacy.js

192 ms

Application_1_automotive_725x400.jpg

Application_1_automotive_725x400.jpg

205 ms

EFB_Truck_725x400.png

EFB_Truck_725x400.png

206 ms

Application_3_Powersports_725x400.jpg

Application_3_Powersports_725x400.jpg

207 ms

Application_4_lesiure_725x400.jpg

Application_4_lesiure_725x400.jpg

207 ms

global.app.js

global.app.js

11 ms

Clarios_Logo_Primary_Reverse_250x48.png

Clarios_Logo_Primary_Reverse_250x48.png

203 ms

jquery.cookie.js

jquery.cookie.js

20 ms

_Incapsula_Resource

_Incapsula_Resource

138 ms

fontcustom_14aabd4d3e8a2d777b1435db05b57b78.svg

fontcustom_14aabd4d3e8a2d777b1435db05b57b78.svg

248 ms

fontcustom_14aabd4d3e8a2d777b1435db05b57b78.woff

fontcustom_14aabd4d3e8a2d777b1435db05b57b78.woff

247 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

246 ms

_Incapsula_Resource

_Incapsula_Resource

179 ms

Accessibility Review

varta-automotive.cz accessibility score

67

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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.

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 valid value for its [lang] attribute.

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

varta-automotive.cz best practices score

83

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

SEO Factors

varta-automotive.cz SEO score

92

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

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 Varta-automotive.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 Varta-automotive.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

varta-automotive.cz

Open Graph data is detected on the main page of VARTA Automotive. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: