Tools & Wizards About Us
denker.cz screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

denker.cz

Americké automobily | dovoz automobilů a veteránů z USA a Kanady

Page Load Speed

6.7 sec in total

First Response

503 ms

Resources Loaded

5.2 sec

Page Rendered

965 ms

denker.cz screenshot

About Website

Visit denker.cz now to see the best up-to-date Denker content for Czech Republic and also check out these interesting facts you probably never knew about denker.cz

Dovoz automobilů, veteránů z USA a Kanady od r. 1992. RAM, Dodge, Chevrolet, Camaro, Corvette, Ford Raptor, GMC, Mustang, Lincoln, Toyota Sienna, Jeep, Cadillac

Visit denker.cz

Key Findings

We analyzed Denker.cz page load time and found that the first response time was 503 ms and then it took 6.2 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

denker.cz performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

denker.cz

503 ms

www.denker.cz

800 ms

ln4i.css

106 ms

lo2g.css

213 ms

ln4i.js

292 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 42% of them (13 requests) were addressed to the original Denker.cz, 35% (11 requests) were made to Mlmfyjeqseju.i.optimole.com and 6% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source Mlmfyjeqseju.i.optimole.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 83.7 kB (4%)

Content Size

2.3 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Denker.cz main page is 2.3 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. 35% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 57.7 kB

  • Original 73.7 kB
  • After minification 70.3 kB
  • After compression 15.9 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 57.7 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

  • Original 2.1 MB
  • After minification 2.1 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. Denker images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 177 B

  • Original 106.9 kB
  • After minification 106.9 kB
  • After compression 106.7 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

-62%

Potential reduce by 24.6 kB

  • Original 39.5 kB
  • After minification 15.0 kB
  • After compression 14.9 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. Denker.cz needs all CSS files to be minified and compressed as it can save up to 24.6 kB or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (43%)

Requests Now

28

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Denker. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

denker.cz

denker.cz

503 ms

www.denker.cz

www.denker.cz

800 ms

ln4i.css

ln4i.css

106 ms

lo2g.css

lo2g.css

213 ms

ln4i.js

ln4i.js

292 ms

ln4i.js

ln4i.js

392 ms

js

js

60 ms

css

css

35 ms

js

js

109 ms

css2

css2

53 ms

cdn.jsdelivr.net_npm_@popperjs_core@2_dist_umd_popper.min.js

cdn.jsdelivr.net_npm_@popperjs_core@2_dist_umd_popper.min.js

291 ms

cdn.jsdelivr.net_npm_bootstrap@5.0.0_dist_js_bootstrap.min.js

cdn.jsdelivr.net_npm_bootstrap@5.0.0_dist_js_bootstrap.min.js

386 ms

underscore.min.js

underscore.min.js

302 ms

wp-util.min.js

wp-util.min.js

311 ms

complianz.min.js

complianz.min.js

468 ms

optimole_lib.min.js

optimole_lib.min.js

189 ms

6bDP7zn.png

6bDP7zn.png

216 ms

pozadi-denker-6517e9cf14707.webp

pozadi-denker-6517e9cf14707.webp

1987 ms

logo-denker.webp

logo-denker.webp

350 ms

denkercz_heropicture_55.webp

denkercz_heropicture_55.webp

1610 ms

denkercz_heropicture_55_mobile.webp

denkercz_heropicture_55_mobile.webp

1004 ms

2023-Dodge-Durango-RT-St.Go-01.jpg

2023-Dodge-Durango-RT-St.Go-01.jpg

2470 ms

2020-Chevrolet-Corvette-Stingray-048.jpg

2020-Chevrolet-Corvette-Stingray-048.jpg

1992 ms

DSC_7774.jpg

DSC_7774.jpg

2550 ms

20231029_160830.jpg

20231029_160830.jpg

3524 ms

IMG-20240114-WA0016.jpg

IMG-20240114-WA0016.jpg

3009 ms

container.jpg

container.jpg

2571 ms

fotomajitel-300x300-1.webp

fotomajitel-300x300-1.webp

188 ms

4rlQbnj.png

4rlQbnj.png

213 ms

font

font

44 ms

fa-solid-900.ttf

fa-solid-900.ttf

529 ms

Accessibility Review

denker.cz accessibility score

98

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.

Best Practices

denker.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

denker.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

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Denker.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 Denker.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

denker.cz

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