7 sec in total
1.1 sec
5.5 sec
460 ms
Welcome to nack-audio.com homepage info - get ready to check Nack Audio best content for Japan right away, or after learning these important things about nack-audio.com
中古オーディオ専門店のナックオーディオ
Visit nack-audio.comWe analyzed Nack-audio.com page load time and found that the first response time was 1.1 sec and then it took 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.
nack-audio.com performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value5.7 s
16/100
25%
Value6.1 s
44/100
10%
Value180 ms
92/100
30%
Value1.45
0/100
15%
Value9.4 s
31/100
10%
1066 ms
514 ms
514 ms
755 ms
1076 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 85% of them (71 requests) were addressed to the original Nack-audio.com, 4% (3 requests) were made to S.ytimg.com and 2% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Nack-audio.com.
Page size can be reduced by 435.3 kB (49%)
883.6 kB
448.3 kB
In fact, the total size of Nack-audio.com main page is 883.6 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. 35% of websites need less resources to load. Images take 303.2 kB which makes up the majority of the site volume.
Potential reduce by 18.2 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 18.2 kB or 75% of the original size.
Potential reduce by 12.7 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. Nack Audio images are well optimized though.
Potential reduce by 166.1 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 166.1 kB or 61% of the original size.
Potential reduce by 238.3 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. Nack-audio.com needs all CSS files to be minified and compressed as it can save up to 238.3 kB or 84% of the original size.
Number of requests can be reduced by 22 (27%)
81
59
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nack Audio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
nack-audio.com
1066 ms
top_common.css
514 ms
index.js
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logo.gif
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kyoka.gif
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icatch12.jpg
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ljrfOf8KoLE
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blog6-2-a.jpg
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160128.jpg
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look.gif
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new2.gif
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banner_beginner.jpg
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banner_stock.jpg
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sub_title2.gif
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www-embed-player-vflQrT_sR.css
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www-embed-player.js
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base.js
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title-buy.gif
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text.gif
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no-1.gif
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no-2.gif
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text-andmore.gif
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photo1.jpg
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form-tel-50.gif
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mail.gif
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look_deli.gif
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look_taku.gif
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menu-title.gif
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banner_beginner70.jpg
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satei_3.jpg
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6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js
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ad_status.js
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menu_header.css
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cart_base.css
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dc.js
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main.css
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zN7GBFwfMP4uA6AR0HCoLQ.ttf
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RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
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form.gif
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banner_media.jpg
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info2.gif
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blog3.jpg
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blog1.jpg
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banner_2020.jpg
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pta.js
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bgh3.gif
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titlegb.gif
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bg_title-buy.gif
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sub_title_bg.jpg
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bg_delivery.gif
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bg_takuhai.gif
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menu1_o.gif
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menu2.gif
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menu3.gif
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menu4.gif
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menu5.gif
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bg_banner.jpg
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1e210aa3.js
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pn
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nack-audio.com accessibility score
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
<frame> or <iframe> elements do not have a title
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.
nack-audio.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Page has valid source maps
nack-audio.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nack-audio.com 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 Nack-audio.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.
nack-audio.com
Open Graph description is not detected on the main page of Nack Audio. 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: