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heos1.denon.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

heos1.denon.com

Denon™ Home Theater | Enhance the Entertainment Experience

Page Load Speed

4.2 sec in total

First Response

69 ms

Resources Loaded

3.7 sec

Page Rendered

475 ms

heos1.denon.com screenshot

About Website

Welcome to heos1.denon.com homepage info - get ready to check Heos 1 Denon best content for United States right away, or after learning these important things about heos1.denon.com

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

Visit heos1.denon.com

Key Findings

We analyzed Heos1.denon.com page load time and found that the first response time was 69 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

heos1.denon.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value5,870 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.068

96/100

15%

TTI (Time to Interactive)

Value36.3 s

0/100

10%

Network Requests Diagram

heos1.denon.com

69 ms

576 ms

denon.js

139 ms

main.js

59 ms

glider.min.js

53 ms

Our browser made a total of 134 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Heos1.denon.com, 85% (114 requests) were made to Denon.com and 1% (2 requests) were made to Denon.widget.custhelp.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Widgets-ssr.photorank.me.

Page Optimization Overview & Recommendations

Page size can be reduced by 162.4 kB (13%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Heos1.denon.com main page is 1.3 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. 75% 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 526.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 161.1 kB

  • Original 188.2 kB
  • After minification 187.7 kB
  • After compression 27.0 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 161.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 526.1 kB
  • After minification 526.1 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. Heos 1 Denon images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.3 kB

  • Original 436.0 kB
  • After minification 436.0 kB
  • After compression 434.6 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

-0%

Potential reduce by 0 B

  • Original 106.9 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.

Requests Breakdown

Number of requests can be reduced by 41 (32%)

Requests Now

130

After Optimization

89

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 130 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heos 1 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 26 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

heos1.denon.com

heos1.denon.com

69 ms

576 ms

denon.js

denon.js

139 ms

main.js

main.js

59 ms

glider.min.js

glider.min.js

53 ms

carousel.js

carousel.js

61 ms

campaignBanner.js

campaignBanner.js

47 ms

vcn.js

vcn.js

53 ms

loqatehelper.js

loqatehelper.js

76 ms

juj5fiw.css

juj5fiw.css

30 ms

global.css

global.css

97 ms

imageAndTextCommon.css

imageAndTextCommon.css

85 ms

mainBanner.css

mainBanner.css

95 ms

layout.css

layout.css

93 ms

textTile.css

textTile.css

113 ms

glider.min.css

glider.min.css

115 ms

carousel.css

carousel.css

125 ms

twoColumn.css

twoColumn.css

122 ms

columns.css

columns.css

120 ms

imageAndText.css

imageAndText.css

124 ms

moreEditorialRichText.css

moreEditorialRichText.css

149 ms

campaignBanner.css

campaignBanner.css

150 ms

tagmanager.js

tagmanager.js

155 ms

affirmstyle.css

affirmstyle.css

162 ms

skin.css

skin.css

163 ms

logo.svg

logo.svg

160 ms

home-theater-u32.png

home-theater-u32.png

242 ms

SubCategory_home-theater_540x385.jpg

SubCategory_home-theater_540x385.jpg

234 ms

SubCategory_multi-room-audio_540x385.jpg

SubCategory_multi-room-audio_540x385.jpg

233 ms

Nav_AV-Receivers_AVR-A1H.jpg

Nav_AV-Receivers_AVR-A1H.jpg

232 ms

Nav_AV-Receivers_X-Series.jpg

Nav_AV-Receivers_X-Series.jpg

232 ms

Nav_AV-Receivers_S-Series.jpg

Nav_AV-Receivers_S-Series.jpg

232 ms

help-me-choose.svg

help-me-choose.svg

288 ms

nav_avrecievers.jpg

nav_avrecievers.jpg

292 ms

Nav_Soundbar_Home550.jpg

Nav_Soundbar_Home550.jpg

287 ms

Nav_Soundbar_C210.jpg

Nav_Soundbar_C210.jpg

287 ms

Nav_Soundbar_S218.jpg

Nav_Soundbar_S218.jpg

287 ms

nav_soundbars.jpg

nav_soundbars.jpg

291 ms

Nav_Speakers_Wireless-Speakers.jpg

Nav_Speakers_Wireless-Speakers.jpg

297 ms

Nav_Speakers_Home-Theater-Systems.jpg

Nav_Speakers_Home-Theater-Systems.jpg

290 ms

Nav_Speakers_Multi-Room-Bundles.jpg

Nav_Speakers_Multi-Room-Bundles.jpg

289 ms

en_US

en_US

3001 ms

eesvcs.js

eesvcs.js

274 ms

klaviyo.js

klaviyo.js

28 ms

checkout.js

checkout.js

36 ms

gretel.min.js

gretel.min.js

28 ms

email-decode.min.js

email-decode.min.js

271 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

285 ms

cybersource-custom.js

cybersource-custom.js

284 ms

sensor.js

sensor.js

80 ms

dwanalytics-22.2.js

dwanalytics-22.2.js

285 ms

p.css

p.css

39 ms

dwac-21.7.js

dwac-21.7.js

283 ms

bookshelf-speakers-nav.jpg

bookshelf-speakers-nav.jpg

277 ms

center-channel-speakers-nav.jpg

center-channel-speakers-nav.jpg

272 ms

floor-standing-speakers-nav.jpg

floor-standing-speakers-nav.jpg

269 ms

css

css

35 ms

height-speakers-nav.jpg

height-speakers-nav.jpg

345 ms

subwoofers-nav.jpg

subwoofers-nav.jpg

250 ms

nav_speakers.jpg

nav_speakers.jpg

343 ms

Nav_Headphones_Over-Ear-Headphones.jpg

Nav_Headphones_Over-Ear-Headphones.jpg

338 ms

Nav_Perl.png

Nav_Perl.png

333 ms

Nav_Headphones_Wireless-Earbuds.jpg

Nav_Headphones_Wireless-Earbuds.jpg

333 ms

nav_katy-perry.jpg

nav_katy-perry.jpg

332 ms

gtm.js

gtm.js

140 ms

affirm.js

affirm.js

141 ms

Nav_Audio-Components_Amplifiers.jpg

Nav_Audio-Components_Amplifiers.jpg

305 ms

Nav_Audio-Components_CD-Players.jpg

Nav_Audio-Components_CD-Players.jpg

306 ms

Nav_Audio-Components_Mini-Systems.jpg

Nav_Audio-Components_Mini-Systems.jpg

299 ms

Nav_Audio-Components_Network-Audio-Players.jpg

Nav_Audio-Components_Network-Audio-Players.jpg

299 ms

Nav_Turntable-Cartridges.jpg

Nav_Turntable-Cartridges.jpg

253 ms

Nav_Audio-Components_Turntables.jpg

Nav_Audio-Components_Turntables.jpg

233 ms

nav_audio-components.jpg

nav_audio-components.jpg

230 ms

Nav_Specials_Sale.jpg

Nav_Specials_Sale.jpg

230 ms

Nav_AV-Receivers_Refurbished.jpg

Nav_AV-Receivers_Refurbished.jpg

229 ms

nav_specials.jpg

nav_specials.jpg

230 ms

why-denon.jpg

why-denon.jpg

255 ms

Nav_InsideDenon_TechStories.jpg

Nav_InsideDenon_TechStories.jpg

248 ms

icon-font.woff

icon-font.woff

200 ms

Nav_InsideDenon_HowTo.jpg

Nav_InsideDenon_HowTo.jpg

200 ms

Nav_InsideDenon_BuyingGuides.jpg

Nav_InsideDenon_BuyingGuides.jpg

198 ms

denon-home-labor-day-sale-mobile.jpg

denon-home-labor-day-sale-mobile.jpg

197 ms

PerLPro_Image_Front_1.png

PerLPro_Image_Front_1.png

235 ms

PerL_Image_ThreeQuarter_2.png

PerL_Image_ThreeQuarter_2.png

201 ms

xd.js

xd.js

468 ms

DHT-S517_scene-angle.png

DHT-S517_scene-angle.png

192 ms

DHT-S218_BuyStack_1_na.png

DHT-S218_BuyStack_1_na.png

192 ms

Denon_Home_150_Black_Angled.png

Denon_Home_150_Black_Angled.png

201 ms

DenonHome150NV_image_1.png

DenonHome150NV_image_1.png

207 ms

Denon-Home-Sub550+DENONHOMESUB-SpeakerBundle.png

Denon-Home-Sub550+DENONHOMESUB-SpeakerBundle.png

249 ms

AVR-S970H_scene-angle.png

AVR-S970H_scene-angle.png

182 ms

AVR-S770H_Image_Right_Buystack3.png

AVR-S770H_Image_Right_Buystack3.png

183 ms

Denon_avr_S670H_studioR_NA.png

Denon_avr_S670H_studioR_NA.png

225 ms

DenonWireless-Black_front1.png

DenonWireless-Black_front1.png

195 ms

DenonNoiseCancelling-Black_front1.png

DenonNoiseCancelling-Black_front1.png

200 ms

Denon-Home-350-black-angled.png

Denon-Home-350-black-angled.png

236 ms

Feature_Denon-AVR-X2800.jpg

Feature_Denon-AVR-X2800.jpg

237 ms

pptm.js

pptm.js

70 ms

HP_Tile_Home-Theater_AV-Receivers.jpg

HP_Tile_Home-Theater_AV-Receivers.jpg

140 ms

HP_Tile_Home-Theater_Wireless-Speakers%20(1).jpg

HP_Tile_Home-Theater_Wireless-Speakers%20(1).jpg

141 ms

HP_Tile_Home-Theater_Wireless-Sound-Bars.jpg

HP_Tile_Home-Theater_Wireless-Sound-Bars.jpg

157 ms

HP_Tile_Home-Theater_Turntable.jpg

HP_Tile_Home-Theater_Turntable.jpg

162 ms

HP_Tile_PerLPro.jpg

HP_Tile_PerLPro.jpg

209 ms

HP_Tile_Refurbished.jpg

HP_Tile_Refurbished.jpg

168 ms

110-years.svg

110-years.svg

164 ms

customer-support.svg

customer-support.svg

165 ms

handcrafted.svg

handcrafted.svg

176 ms

purpose.svg

purpose.svg

185 ms

Low--Denon_DenonxOJAS_DL-103O_Shirakawa_Tertiary_032.jpeg

Low--Denon_DenonxOJAS_DL-103O_Shirakawa_Tertiary_032.jpeg

227 ms

DL-103o_image_1.png

DL-103o_image_1.png

187 ms

3000NE_StudioR_NA.png

3000NE_StudioR_NA.png

221 ms

DP-450USB-Black_side-angle.png

DP-450USB-Black_side-angle.png

245 ms

DP-300F-Black_front-side.png

DP-300F-Black_front-side.png

189 ms

DP-400-Black_closed.png

DP-400-Black_closed.png

193 ms

Feature_choice.jpg

Feature_choice.jpg

232 ms

AVR-A1H_Audioholics.png

AVR-A1H_Audioholics.png

275 ms

AVR-X3800H_WhatHi-Fi_award_PLP.png

AVR-X3800H_WhatHi-Fi_award_PLP.png

225 ms

AVR-S760H_scene-angle.png

AVR-S760H_scene-angle.png

228 ms

AVR-X4800H_scene-angle.png

AVR-X4800H_scene-angle.png

228 ms

ts

ts

98 ms

HP_OurStory.jpeg

HP_OurStory.jpeg

234 ms

dark-sound-wave.png

dark-sound-wave.png

242 ms

DENON_Logo_White.svg

DENON_Logo_White.svg

213 ms

mastercard-logo.svg

mastercard-logo.svg

206 ms

visa-logo.svg

visa-logo.svg

207 ms

amex-logo.svg

amex-logo.svg

227 ms

discover-logo.svg

discover-logo.svg

239 ms

paypal-logo.svg

paypal-logo.svg

225 ms

affirm-logo.svg

affirm-logo.svg

235 ms

main.js

main.js

210 ms

11274Rmf-F6PAf0ziSauCCvouCI2EhVsrCfgu4kZ2pfaOMA550A

11274Rmf-F6PAf0ziSauCCvouCI2EhVsrCfgu4kZ2pfaOMA550A

309 ms

vsapi.js

vsapi.js

383 ms

vsopts.js

vsopts.js

533 ms

PAGE_LOAD

PAGE_LOAD

367 ms

Accessibility Review

heos1.denon.com accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements 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

heos1.denon.com best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

heos1.denon.com SEO score

54

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Heos1.denon.com 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 Heos1.denon.com 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

heos1.denon.com

Open Graph description is not detected on the main page of Heos 1 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: