Report Summary

  • 16

    Performance

    Renders faster than
    31% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

bmw.cz

BMW Česká republika

Page Load Speed

3.4 sec in total

First Response

315 ms

Resources Loaded

2.6 sec

Page Rendered

521 ms

bmw.cz screenshot

About Website

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

Přehled modelů BMW

Visit bmw.cz

Key Findings

We analyzed Bmw.cz page load time and found that the first response time was 315 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

bmw.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value3,750 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

bmw.cz

315 ms

www.bmw.cz

101 ms

index.html

53 ms

searchfield.min.20151028-091045.min.css

27 ms

clientlib.min.20160129105820.min.css

39 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 89% of them (92 requests) were addressed to the original Bmw.cz, 6% (6 requests) were made to Assets.adobedtm.com and 2% (2 requests) were made to Bmwag.d3.sc.omtrdc.net. The less responsive or slowest element that took the longest time to load (453 ms) belongs to the original domain Bmw.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.2 MB (36%)

Content Size

8.8 MB

After Optimization

5.6 MB

In fact, the total size of Bmw.cz main page is 8.8 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. 85% 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 5.9 MB which makes up the majority of the site volume.

HTML Optimization

-96%

Potential reduce by 999.9 kB

  • Original 1.0 MB
  • After minification 891.5 kB
  • After compression 42.7 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 151.1 kB, which is 14% 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 999.9 kB or 96% of the original size.

Image Optimization

-12%

Potential reduce by 699.3 kB

  • Original 5.9 MB
  • After minification 5.2 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. Obviously, BMW needs image optimization as it can save up to 699.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 930.9 kB

  • Original 1.3 MB
  • After minification 1.2 MB
  • After compression 347.9 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 930.9 kB or 73% of the original size.

CSS Optimization

-90%

Potential reduce by 568.5 kB

  • Original 634.2 kB
  • After minification 630.3 kB
  • After compression 65.7 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. Bmw.cz needs all CSS files to be minified and compressed as it can save up to 568.5 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (26%)

Requests Now

97

After Optimization

72

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BMW. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bmw.cz accessibility score

81

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

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

bmw.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

bmw.cz SEO score

82

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bmw.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Bmw.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 BMW. 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: