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firmware.denon.eu screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% 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

  • 84

    SEO

    Google-friendlier than
    52% of websites

firmware.denon.eu

Denon™ Home Theater | Enhance the Entertainment Experience

Page Load Speed

7.1 sec in total

First Response

1.5 sec

Resources Loaded

4.9 sec

Page Rendered

660 ms

firmware.denon.eu screenshot

About Website

Click here to check amazing Firmware Denon content for Germany. Otherwise, check out these important facts you probably never knew about firmware.denon.eu

Every detail of a Denon audio product is crafted with a single goal in mind: to enhance the entertainment experience. Build your home theater here.

Visit firmware.denon.eu

Key Findings

We analyzed Firmware.denon.eu page load time and found that the first response time was 1.5 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

firmware.denon.eu performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value32.1 s

0/100

25%

SI (Speed Index)

Value23.0 s

0/100

10%

TBT (Total Blocking Time)

Value7,780 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value33.8 s

0/100

10%

Network Requests Diagram

1493 ms

optimize.js

55 ms

jquery.min.js

110 ms

entry.js

185 ms

bv.js

326 ms

Our browser made a total of 163 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Firmware.denon.eu, 20% (32 requests) were made to S.amazon-adsystem.com and 4% (6 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Denon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 251.7 kB (45%)

Content Size

554.7 kB

After Optimization

303.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Firmware.denon.eu main page is 554.7 kB. 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. Javascripts take 376.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 92.1 kB

  • Original 116.1 kB
  • After minification 110.5 kB
  • After compression 24.0 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 92.1 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 346 B

  • Original 53.7 kB
  • After minification 53.4 kB

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. Firmware Denon images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 159.3 kB

  • Original 376.5 kB
  • After minification 376.5 kB
  • After compression 217.2 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 159.3 kB or 42% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 8.4 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.

Requests Breakdown

Number of requests can be reduced by 106 (72%)

Requests Now

148

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Firmware Denon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 56 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

1493 ms

optimize.js

optimize.js

55 ms

jquery.min.js

jquery.min.js

110 ms

entry.js

entry.js

185 ms

bv.js

bv.js

326 ms

tpf6ygm.css

tpf6ygm.css

90 ms

denon-style.css

denon-style.css

136 ms

w261g6lo33.jsonp

w261g6lo33.jsonp

154 ms

E-v1.js

E-v1.js

91 ms

rocket-loader.min.js

rocket-loader.min.js

96 ms

email-decode.min.js

email-decode.min.js

97 ms

denon-hmc.js

denon-hmc.js

142 ms

optimized-min.js

optimized-min.js

289 ms

optimized-min.js

optimized-min.js

285 ms

optimized-min.js

optimized-min.js

283 ms

optimized-min.js

optimized-min.js

286 ms

optimized-min.js

optimized-min.js

285 ms

optimized-min.js

optimized-min.js

295 ms

optimized-min.js

optimized-min.js

288 ms

optimized-min.js

optimized-min.js

294 ms

optimized-min.js

optimized-min.js

334 ms

optimized-min.js

optimized-min.js

534 ms

optimized-min.js

optimized-min.js

331 ms

optimized-min.js

optimized-min.js

331 ms

optimized-min.js

optimized-min.js

532 ms

optimized-min.js

optimized-min.js

535 ms

datavalidation.js

datavalidation.js

534 ms

plugins.min.js

plugins.min.js

534 ms

denon.min.js

denon.min.js

530 ms

custom.js

custom.js

538 ms

denon-common.js

denon-common.js

547 ms

custom-cms.js

custom-cms.js

542 ms

swatch

swatch

96 ms

denon-logo.svg

denon-logo.svg

498 ms

loadingbar.svg

loadingbar.svg

502 ms

home-banner-placeholder.png

home-banner-placeholder.png

506 ms

denon_truewireless_pdp_830black_2440x1560_carouselspot_listingimage.png

denon_truewireless_pdp_830black_2440x1560_carouselspot_listingimage.png

591 ms

price-match-tooltip-icon.svg

price-match-tooltip-icon.svg

590 ms

avr-s660h_listingimage_new.png

avr-s660h_listingimage_new.png

589 ms

bg_denon_home_150_01_v8.png

bg_denon_home_150_01_v8.png

590 ms

p.css

p.css

93 ms

denon_home_sound-bar-550_gallery_avs-n03_25062021_listingimage_13092022.png

denon_home_sound-bar-550_gallery_avs-n03_25062021_listingimage_13092022.png

637 ms

hmc-illustration.png

hmc-illustration.png

549 ms

delivery-icon-white.svg

delivery-icon-white.svg

650 ms

returns-icon-white.svg

returns-icon-white.svg

637 ms

social-icon1.svg

social-icon1.svg

733 ms

social-icon2.svg

social-icon2.svg

591 ms

social-icon3.svg

social-icon3.svg

727 ms

social-icon4.svg

social-icon4.svg

745 ms

custom.js

custom.js

347 ms

gtm.js

gtm.js

140 ms

d

d

124 ms

d

d

326 ms

d

d

327 ms

d

d

327 ms

card-logo-footer.png

card-logo-footer.png

697 ms

help-choose-icon1.svg

help-choose-icon1.svg

697 ms

help-choose-icon2.svg

help-choose-icon2.svg

697 ms

help-choose-icon3.svg

help-choose-icon3.svg

720 ms

help-choose-icon4.svg

help-choose-icon4.svg

689 ms

loader-img.svg

loader-img.svg

715 ms

d

d

248 ms

support-icon.svg

support-icon.svg

843 ms

search-icon-orange.svg

search-icon-orange.svg

847 ms

search-icon.svg

search-icon.svg

845 ms

account-icon.svg

account-icon.svg

808 ms

cart-icon2.svg

cart-icon2.svg

809 ms

close.svg

close.svg

806 ms

analytics.js

analytics.js

170 ms

bat.js

bat.js

461 ms

1774953858.js

1774953858.js

522 ms

conversion_async.js

conversion_async.js

494 ms

denon.jsp

denon.jsp

461 ms

ndp.js

ndp.js

742 ms

fbevents.js

fbevents.js

396 ms

aem.js

aem.js

489 ms

hotjar-3022245.js

hotjar-3022245.js

626 ms

denon.js

denon.js

489 ms

dtag.js

dtag.js

459 ms

pa-5f8ecb81dfb2d5001300009a.js

pa-5f8ecb81dfb2d5001300009a.js

486 ms

cnxtag-min.js

cnxtag-min.js

458 ms

fs.js

fs.js

529 ms

js

js

205 ms

denon_avr-x3800h.jpg

denon_avr-x3800h.jpg

666 ms

denon_avr-x3800h_m.jpg

denon_avr-x3800h_m.jpg

666 ms

dn_hpbanner_avr-s570bt_desktop.png

dn_hpbanner_avr-s570bt_desktop.png

707 ms

dn_hpbanner_avr-s570bt_mobile.png

dn_hpbanner_avr-s570bt_mobile.png

707 ms

dn_hpbanner_soundbar_desktop.png

dn_hpbanner_soundbar_desktop.png

846 ms

dn_hpbanner_soundbar_mobile.png

dn_hpbanner_soundbar_mobile.png

766 ms

dn_hpbanner_heos_desktop.png

dn_hpbanner_heos_desktop.png

1047 ms

denon_catbanner_heos_mobil.png

denon_catbanner_heos_mobil.png

1273 ms

1928 ms

pattern.png

pattern.png

787 ms

price-match-icon.svg

price-match-icon.svg

1180 ms

price-match-tooltip-icon.svg

price-match-tooltip-icon.svg

1112 ms

content-banner.png

content-banner.png

1195 ms

content-banner-mobile.jpg

content-banner-mobile.jpg

1229 ms

denon_home_350_white_1a-1_n.jpg

denon_home_350_white_1a-1_n.jpg

1352 ms

content-1mg2.jpg

content-1mg2.jpg

1388 ms

collect

collect

246 ms

collect

collect

308 ms

collect

collect

900 ms

identity.js

identity.js

116 ms

965830410547685

965830410547685

206 ms

collect

collect

258 ms

56323880.js

56323880.js

198 ms

collect

collect

235 ms

312 ms

bootstrap.js

bootstrap.js

269 ms

iu3

iu3

147 ms

56323880

56323880

672 ms

modules.cf44a0a6b448df1b035e.js

modules.cf44a0a6b448df1b035e.js

679 ms

ga-audiences

ga-audiences

793 ms

pr

pr

99 ms

ga-audiences

ga-audiences

820 ms

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

724 ms

https%3A%2F%2Fs.amazon-adsystem.com%2Fecm3%3Fex%3Dbidswitch.com%26id%3D%24%7BUUID%7D

https%3A%2F%2Fs.amazon-adsystem.com%2Fecm3%3Fex%3Dbidswitch.com%26id%3D%24%7BUUID%7D

791 ms

mw

mw

847 ms

z

z

723 ms

Serving

Serving

806 ms

v2

v2

746 ms

775 ms

TC-3673-1.gif

TC-3673-1.gif

697 ms

user-registering

user-registering

819 ms

747 ms

clarity.js

clarity.js

202 ms

ecm3

ecm3

132 ms

pixel

pixel

107 ms

ecm3

ecm3

161 ms

pixel

pixel

100 ms

ecm3

ecm3

153 ms

ecm3

ecm3

146 ms

ecm3

ecm3

139 ms

ecm3

ecm3

136 ms

ecm3

ecm3

121 ms

ecm3

ecm3

129 ms

ecm3

ecm3

127 ms

xuid

xuid

101 ms

ecm3

ecm3

113 ms

ecm3

ecm3

119 ms

ecm3

ecm3

104 ms

ecm3

ecm3

91 ms

ecm3

ecm3

81 ms

ecm3

ecm3

88 ms

ecm3

ecm3

82 ms

ecm3

ecm3

80 ms

ecm3

ecm3

81 ms

ecm3

ecm3

80 ms

ecm3

ecm3

35 ms

ecm3

ecm3

40 ms

ecm3

ecm3

34 ms

ecm3

ecm3

36 ms

ecm3

ecm3

37 ms

ecm3

ecm3

34 ms

ecm3

ecm3

31 ms

ecm3

ecm3

35 ms

ecm3

ecm3

35 ms

ecm3

ecm3

36 ms

ecm3

ecm3

31 ms

denon-hmc.js

denon-hmc.js

41 ms

collect

collect

13 ms

collect

collect

8 ms

optimized-min.js

optimized-min.js

88 ms

Accessibility Review

firmware.denon.eu accessibility score

90

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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>).

Best Practices

firmware.denon.eu 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

firmware.denon.eu SEO score

84

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Firmware.denon.eu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Firmware.denon.eu 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

firmware.denon.eu

Open Graph description is not detected on the main page of Firmware Denon. 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: