10.4 sec in total
378 ms
9.6 sec
465 ms
Welcome to truesleeper.jp homepage info - get ready to check Truesleeper best content for Japan right away, or after learning these important things about truesleeper.jp
睡眠時の腰の負担を軽減!人気のマットレス「トゥルースリーパー」の公式サイトです。低・中・高反発マットレスからふとん・枕・カバー類まで豊富なラインアップを取り揃えています。ショップジャパン公式通販サイト
Visit truesleeper.jpWe analyzed Truesleeper.jp page load time and found that the first response time was 378 ms and then it took 10 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
truesleeper.jp performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value9.5 s
1/100
25%
Value8.5 s
18/100
10%
Value4,780 ms
1/100
30%
Value0
100/100
15%
Value16.3 s
6/100
10%
378 ms
864 ms
54 ms
1555 ms
724 ms
Our browser made a total of 198 requests to load all elements on the main page. We found that 38% of them (75 requests) were addressed to the original Truesleeper.jp, 7% (14 requests) were made to B97.yahoo.co.jp and 5% (10 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source B97.yahoo.co.jp.
Page size can be reduced by 1.6 MB (38%)
4.1 MB
2.5 MB
In fact, the total size of Truesleeper.jp main page is 4.1 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. 45% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 76.0 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. This page needs HTML code to be minified as it can gain 17.2 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 76.0 kB or 82% of the original size.
Potential reduce by 47.3 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. Truesleeper images are well optimized though.
Potential reduce by 1.3 MB
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 1.3 MB or 73% of the original size.
Potential reduce by 168.3 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. Truesleeper.jp needs all CSS files to be minified and compressed as it can save up to 168.3 kB or 90% of the original size.
Number of requests can be reduced by 101 (59%)
172
71
The browser has sent 172 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Truesleeper. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
truesleeper.jp
378 ms
www.truesleeper.jp
864 ms
satelliteLib-62748b318d3efe2095bbbaba0a0b4fdd54c30b6c.js
54 ms
jquery.js
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DLPO.js
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tabmenu.js
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import.css
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index.css
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jquery.imageNavigation.js
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satellite-55763e8b3737640017ec0b00.js
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target.js
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conversion.js
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common.css
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layout.css
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convert.js
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footer_logo_privacy.gif
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top-body_bg.jpg
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body_bg_footer.png
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mainimage_bg.jpg
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arrow_01.gif
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single_w260.jpg
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mattress_excellent_single_w260.jpg
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comfort_w260.jpg
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ga.js
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s58434024639427
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cookie_enabled_get.html
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bl_track.cgi
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jdma.jpg
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fbds.js
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beacon.html
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pb.js
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analyze.php
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activityi;src=4477142;type=rtg650;cat=micro000;ord=0164070852
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analytics.js
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flipdesk_chat.js
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conversion.js
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flipdesk.min.js
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chat_loading.gif
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flipdesk.css
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setting
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truesleeper.jp 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.
truesleeper.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
General
Impact
Issue
Detected JavaScript libraries
Issues were logged in the Issues panel in Chrome Devtools
truesleeper.jp 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
Tap targets are not sized appropriately
JA
N/A
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Truesleeper.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Truesleeper.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
truesleeper.jp
Open Graph description is not detected on the main page of Truesleeper. 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: