7.1 sec in total
528 ms
6.3 sec
280 ms
Welcome to j-roomkan.com homepage info - get ready to check J Roomkan best content right away, or after learning these important things about j-roomkan.com
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Visit j-roomkan.comWe analyzed J-roomkan.com page load time and found that the first response time was 528 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
j-roomkan.com performance score
name
value
score
weighting
Value3.2 s
44/100
10%
Value15.2 s
0/100
25%
Value13.2 s
2/100
10%
Value21,000 ms
0/100
30%
Value0.168
71/100
15%
Value32.5 s
0/100
10%
528 ms
807 ms
315 ms
506 ms
496 ms
Our browser made a total of 148 requests to load all elements on the main page. We found that 46% of them (68 requests) were addressed to the original J-roomkan.com, 34% (50 requests) were made to Pbs.twimg.com and 4% (6 requests) were made to Tweetswind.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain J-roomkan.com.
Page size can be reduced by 703.1 kB (42%)
1.7 MB
990.4 kB
In fact, the total size of J-roomkan.com main page is 1.7 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. 65% of websites need less resources to load. Images take 893.6 kB which makes up the majority of the site volume.
Potential reduce by 24.8 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 3.6 kB, which is 11% 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 24.8 kB or 74% of the original size.
Potential reduce by 105.0 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, J Roomkan needs image optimization as it can save up to 105.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 331.2 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 331.2 kB or 69% of the original size.
Potential reduce by 242.2 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. J-roomkan.com needs all CSS files to be minified and compressed as it can save up to 242.2 kB or 84% of the original size.
Number of requests can be reduced by 31 (22%)
143
112
The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J Roomkan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.
j-roomkan.com
528 ms
www.j-roomkan.com
807 ms
main.css
315 ms
prototype.js
506 ms
jquery-1.2.2.min.js
496 ms
jquery.page-scroller.js
336 ms
rollover.js
336 ms
no_conflict.js
353 ms
util.js
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ga.js
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body-bk.jpg
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header-logo.png
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btn-contact.jpg
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btn-all.jpg
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btn-fg.jpg
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banner-blog.png
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facebook.jpg
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jasmac-party_2014_2.jpg
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banner-option.jpg
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btn-search.jpg
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banner-online.jpg
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title-howto.jpg
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iwau02.jpg
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happyou05.jpg
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all.js
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j-roomkan.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Form elements do not have associated labels
Links do not have a discernible name
j-roomkan.com 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
Page has valid source maps
j-roomkan.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
ZH
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise J-roomkan.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed Japanese language. Our system also found out that J-roomkan.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.
j-roomkan.com
Open Graph description is not detected on the main page of J Roomkan. 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: