24.9 sec in total
1.1 sec
22.7 sec
1.1 sec
Visit tohan.jp now to see the best up-to-date Tohan content for Japan and also check out these interesting facts you probably never knew about tohan.jp
株式会社トーハンの公式WEBサイトです。トーハンは出版社と書店、読者を結ぶ出版流通ネットワークを構築しています。
Visit tohan.jpWe analyzed Tohan.jp page load time and found that the first response time was 1.1 sec and then it took 23.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 13 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
tohan.jp performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value29.5 s
0/100
25%
Value13.0 s
2/100
10%
Value390 ms
69/100
30%
Value0.158
74/100
15%
Value11.8 s
17/100
10%
1141 ms
62 ms
28 ms
496 ms
337 ms
Our browser made a total of 89 requests to load all elements on the main page. We found that 61% of them (54 requests) were addressed to the original Tohan.jp, 27% (24 requests) were made to Www1.e-hon.ne.jp and 4% (4 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Www1.e-hon.ne.jp.
Page size can be reduced by 321.8 kB (4%)
8.1 MB
7.8 MB
In fact, the total size of Tohan.jp main page is 8.1 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. Only a small number of websites need less resources to load. Images take 8.0 MB which makes up the majority of the site volume.
Potential reduce by 72.1 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 72.1 kB or 86% of the original size.
Potential reduce by 238.3 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. Tohan images are well optimized though.
Potential reduce by 561 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 10.8 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. Tohan.jp needs all CSS files to be minified and compressed as it can save up to 10.8 kB or 28% of the original size.
Number of requests can be reduced by 21 (30%)
69
48
The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tohan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
www.tohan.jp
1141 ms
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tohan.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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
tohan.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
tohan.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
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 Tohan.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 Tohan.jp 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.
tohan.jp
Open Graph data is detected on the main page of Tohan. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: