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9.8 sec
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Visit d-heaven.jp now to see the best up-to-date D Heaven content for Japan and also check out these interesting facts you probably never knew about d-heaven.jp
Visit d-heaven.jpWe analyzed D-heaven.jp page load time and found that the first response time was 578 ms and then it took 11.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
d-heaven.jp performance score
578 ms
191 ms
995 ms
181 ms
546 ms
Our browser made a total of 473 requests to load all elements on the main page. We found that 1% of them (4 requests) were addressed to the original D-heaven.jp, 10% (49 requests) were made to Fls-fe.amazon-adsystem.com and 10% (46 requests) were made to Ecx.images-amazon.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source File.amanogamidai.blog.shinobi.jp.
Page size can be reduced by 346.5 kB (15%)
2.3 MB
1.9 MB
In fact, the total size of D-heaven.jp main page is 2.3 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. 70% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 374 B
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 374 B or 37% of the original size.
Potential reduce by 81.4 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. D Heaven images are well optimized though.
Potential reduce by 240.4 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 240.4 kB or 57% of the original size.
Potential reduce by 24.4 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. D-heaven.jp needs all CSS files to be minified and compressed as it can save up to 24.4 kB or 89% of the original size.
Number of requests can be reduced by 244 (59%)
412
168
The browser has sent 412 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D Heaven. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
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d-heaven.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
<frame> or <iframe> elements do not have a title
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
d-heaven.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
d-heaven.jp SEO score
JA
N/A
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise D-heaven.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 D-heaven.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.
d-heaven.jp
Open Graph description is not detected on the main page of D Heaven. 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: