Report Summary

  • 1

    Performance

    Renders faster than
    29% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 100

    SEO

    Google-friendlier than
    96% of websites

mercedes-benz.cz

Osobní vozy Mercedes-Benz

Page Load Speed

4.3 sec in total

First Response

288 ms

Resources Loaded

3.7 sec

Page Rendered

249 ms

mercedes-benz.cz screenshot

About Website

Welcome to mercedes-benz.cz homepage info - get ready to check Mercedes Benz best content for Czech Republic right away, or after learning these important things about mercedes-benz.cz

Kombinace luxusu, sportovního stylu a výkonu. Ať je to sedan, kombi, kupé, kabriolet, roadster, SUV a další. Vyzkoušejte vozy od Mercedes-Benz.

Visit mercedes-benz.cz

Key Findings

We analyzed Mercedes-benz.cz page load time and found that the first response time was 288 ms and then it took 4 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

mercedes-benz.cz performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value8,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.029

2/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

mercedes-benz.cz

288 ms

www.mercedes-benz.cz

586 ms

passengercars.html

447 ms

modernizr.js

87 ms

ms_css_min.19684.css

732 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 82% of them (64 requests) were addressed to the original Mercedes-benz.cz, 9% (7 requests) were made to Emb-cda.mercedes-benz.com and 4% (3 requests) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Mercedes-benz.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (23%)

Content Size

4.3 MB

After Optimization

3.3 MB

In fact, the total size of Mercedes-benz.cz main page is 4.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 137.0 kB

  • Original 155.3 kB
  • After minification 154.8 kB
  • After compression 18.2 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 137.0 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 69.3 kB

  • Original 3.1 MB
  • After minification 3.0 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. Mercedes Benz images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 472.4 kB

  • Original 663.6 kB
  • After minification 621.3 kB
  • After compression 191.2 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 472.4 kB or 71% of the original size.

CSS Optimization

-76%

Potential reduce by 334.8 kB

  • Original 438.5 kB
  • After minification 429.0 kB
  • After compression 103.7 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. Mercedes-benz.cz needs all CSS files to be minified and compressed as it can save up to 334.8 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (15%)

Requests Now

74

After Optimization

63

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mercedes Benz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

mercedes-benz.cz accessibility score

91

Accessibility Issues

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

mercedes-benz.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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

mercedes-benz.cz SEO score

100

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

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 Mercedes-benz.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 Mercedes-benz.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

Open Graph description is not detected on the main page of Mercedes Benz. 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: