3.1 sec in total
984 ms
1.8 sec
268 ms
Visit denon.jp now to see the best up-to-date Denon content for Japan and also check out these interesting facts you probably never knew about denon.jp
【Denon公式製品サイト】Denonは1910年創業のオーディオブランドです。高品質を追求したAVアンプ、スピーカー、ヘッドホン等のオーディオ製品のご紹介や、その他製品カタログのご請求、修理のご依頼なども承っております。
Visit denon.jpWe analyzed Denon.jp page load time and found that the first response time was 984 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster. This domain responded with an error, which can significantly jeopardize Denon.jp rating and web reputation
denon.jp performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value8.4 s
2/100
25%
Value16.6 s
0/100
10%
Value3,080 ms
2/100
30%
Value0.883
3/100
15%
Value25.0 s
0/100
10%
984 ms
21 ms
43 ms
9 ms
35 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 56% of them (47 requests) were addressed to the original Denon.jp, 37% (31 requests) were made to Assets.denon.com and 2% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (984 ms) belongs to the original domain Denon.jp.
Page size can be reduced by 1.8 MB (53%)
3.3 MB
1.6 MB
In fact, the total size of Denon.jp main page is 3.3 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 1.5 MB which makes up the majority of the site volume.
Potential reduce by 107.3 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 107.3 kB or 74% of the original size.
Potential reduce by 455.6 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. Obviously, Denon needs image optimization as it can save up to 455.6 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 988.4 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 988.4 kB or 71% of the original size.
Potential reduce by 201.8 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. Denon.jp needs all CSS files to be minified and compressed as it can save up to 201.8 kB or 84% of the original size.
Number of requests can be reduced by 27 (35%)
78
51
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 20 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
jp
984 ms
init.js
21 ms
ScriptResource.axd
43 ms
blank.js
9 ms
ScriptResource.axd
35 ms
layout.css
31 ms
layoutResponsive.css
30 ms
jquery-ui-1.10.4.css
82 ms
jquery-1.9.1.min.js
34 ms
jquery_002.js
36 ms
addthis_widget.js
28 ms
WebResource.axd
76 ms
layout_jp.css
35 ms
lightGallery.css
34 ms
search_rest.js
73 ms
jquery_002.js
73 ms
lightGallery.min.js
34 ms
home_slider.css
324 ms
jquery.masonry.min.js
51 ms
jquery.dd.js
47 ms
easing.js.min.js
47 ms
custom.js
47 ms
dd.css
34 ms
form.css
36 ms
extra.css
32 ms
EL_avrx7200wa_jp_bk_fr_cl.jpg
445 ms
Blu-ray-Players.png
271 ms
EL_dhtt100_e2_bk_fr_JP.png
274 ms
Amplifiers_SubCategory.png
275 ms
SACDCD-Players.png
272 ms
Cat_EL_dnp730re_jp_sp_fr.png
275 ms
USB-DA.png
270 ms
Turntable.png
273 ms
Speaker%20Systems_EL_SCC33SG_D.png
435 ms
F%20Series_EL_dnpf109_e2_sp_fr.png
275 ms
M%20Series_EL_rcdm39_jp_sp_fr.png
425 ms
N%20Series_EL_rcdn8_jp_wt_fr.png
436 ms
131112-DSB200_WT-product-front-right_angled-packaging.jpg
433 ms
Classic%20Over%20On-Ear_EL_AH-D510_black.png
428 ms
Classic%20-In-Ear_EL_AH-C560K_JP.png
428 ms
Wireless_EL_AH-W200.png
441 ms
Headphone%20Amplifier_EL_da300usb_e2_fr-h.png
430 ms
Critical-Listening.png
433 ms
Sports.png
435 ms
Travel.png
434 ms
CARTRIDGES_EL_DL-110_D.png
553 ms
blank28x9.png
435 ms
AVR_X-Series_JP_Callout.jpg
441 ms
AVR-X2200W_WHATHF_Callout_310x260.jpg
448 ms
AH-MM400_JP_Callout.jpg
602 ms
D-M40_WHF_310x260.jpg
437 ms
Denon-Design-Series_JP_Callout.jpg
445 ms
Denon_Support_Full_Fixed.jpg
443 ms
Denon_DealorLocator_Full_Fixed.jpg
449 ms
News_DefaultImage.jpg
448 ms
spcommon.png
88 ms
newCallOutBlank.png
14 ms
bookmarkIcon.png
82 ms
oshirase_blog-1.png
82 ms
social_Facebook.png
82 ms
social_Twitter.png
83 ms
social_YouTube.png
84 ms
arrowTop.png
84 ms
logo.jpg
338 ms
sprite.png
336 ms
progress.gif
342 ms
Home-page-scroll.png
186 ms
home-bg.jpg
336 ms
analytics.js
323 ms
SX11_series_hero_banner_JP.jpg
477 ms
text-bg.png
176 ms
flagssprite_small.png
179 ms
29E682_2_0.woff
171 ms
29E682_3_0.woff
172 ms
29E682_1_0.woff
174 ms
29E682_0_0.woff
175 ms
300lo.json
143 ms
layoutPrint.css
98 ms
sh.7c7179124ea24ac6ba46caac.html
139 ms
collect
60 ms
collect
72 ms
initstrings.js
7 ms
strings.js
11 ms
core.js
18 ms
denon.jp accessibility score
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
[role] values are not valid
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
denon.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
denon.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Denon.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Denon.jp 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.
denon.jp
Open Graph description is not detected on the main page of 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: