9.5 sec in total
539 ms
8.3 sec
627 ms
Visit jan39.com now to see the best up-to-date Jan 39 content for Japan and also check out these interesting facts you probably never knew about jan39.com
初心者OKのフリー雀荘や麻雀店を掲載している日本最大級の雀荘検索サイトです。お住まいの地域や最寄駅での検索はもちろん、激安店、禁煙雀荘、ノーレート雀荘などの情報も満載です!麻雀大会やイベント、求人情報などコンテンツも充実!
Visit jan39.comWe analyzed Jan39.com page load time and found that the first response time was 539 ms and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
jan39.com performance score
name
value
score
weighting
Value8.1 s
0/100
10%
Value18.2 s
0/100
25%
Value12.8 s
2/100
10%
Value5,080 ms
0/100
30%
Value0.367
29/100
15%
Value33.6 s
0/100
10%
539 ms
1299 ms
75 ms
143 ms
810 ms
Our browser made a total of 247 requests to load all elements on the main page. We found that 65% of them (160 requests) were addressed to the original Jan39.com, 6% (15 requests) were made to Cdnjs.cloudflare.com and 5% (13 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Jan39.com.
Page size can be reduced by 586.3 kB (20%)
3.0 MB
2.4 MB
In fact, the total size of Jan39.com main page is 3.0 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. 80% 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 1.8 MB which makes up the majority of the site volume.
Potential reduce by 189.9 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 31.2 kB, which is 14% 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 189.9 kB or 85% of the original size.
Potential reduce by 124.4 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. Jan 39 images are well optimized though.
Potential reduce by 208.3 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 208.3 kB or 25% of the original size.
Potential reduce by 63.7 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. Jan39.com needs all CSS files to be minified and compressed as it can save up to 63.7 kB or 72% of the original size.
Number of requests can be reduced by 63 (26%)
238
175
The browser has sent 238 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jan 39. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
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jan39.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.
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
ARIA IDs are not unique
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
Image elements do not have [alt] attributes
Links do not have a discernible name
jan39.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
jan39.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
Image elements do not have [alt] attributes
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
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jan39.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 Jan39.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.
{{og_description}}
jan39.com
Open Graph data is detected on the main page of Jan 39. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: