6.4 sec in total
924 ms
5.2 sec
274 ms
Welcome to 39n.jp homepage info - get ready to check 39 N best content for Japan right away, or after learning these important things about 39n.jp
シンプルな機能のメーリングリストサービス。メンバーのみが投稿可能なメーリングリストを簡単に作成・無料で開設可能
Visit 39n.jpWe analyzed 39n.jp page load time and found that the first response time was 924 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
39n.jp performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value6.0 s
13/100
25%
Value6.8 s
35/100
10%
Value1,390 ms
16/100
30%
Value0.273
45/100
15%
Value8.7 s
36/100
10%
924 ms
371 ms
1325 ms
527 ms
362 ms
Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to 39n.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain 39n.jp.
Page size can be reduced by 86.3 kB (15%)
584.5 kB
498.2 kB
In fact, the total size of 39n.jp main page is 584.5 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. Only 5% of websites need less resources to load. Images take 455.1 kB which makes up the majority of the site volume.
Potential reduce by 3.3 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 3.3 kB or 62% of the original size.
Potential reduce by 24 B
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. 39 N images are well optimized though.
Potential reduce by 68.9 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 68.9 kB or 65% of the original size.
Potential reduce by 14.0 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. 39n.jp needs all CSS files to be minified and compressed as it can save up to 14.0 kB or 82% of the original size.
We found no issues to fix!
14
14
The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 39 N. According to our analytics all requests are already optimized.
www.39n.jp
924 ms
index.css
371 ms
common.js
1325 ms
common.css
527 ms
index_header_bg.gif
362 ms
com_header_bg.gif
374 ms
com_header.gif
578 ms
null.gif
392 ms
com_gnavi.png
394 ms
eyecatch.jpg
1799 ms
index_eyecatch.png
1038 ms
index_img01.gif
1058 ms
index_btn01.gif
930 ms
index_img02.jpg
2278 ms
index_btn02.gif
1144 ms
com_pagetop.gif
1305 ms
39n.jp 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.
39n.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
Browser errors were logged to the console
39n.jp SEO score
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
SHIFT-JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 39n.jp 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 39n.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.
39n.jp
Open Graph description is not detected on the main page of 39 N. 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: