16.3 sec in total
2.8 sec
13.1 sec
333 ms
Welcome to kyoritsu-pub.co.jp homepage info - get ready to check Kyoritsu Pub best content for Japan right away, or after learning these important things about kyoritsu-pub.co.jp
大正15年創業の出版社です。理学,工学,医学,薬学等の自然科学書の出版および販売を行っています。新刊情報、刊行予定、おすすめ書籍などを掲載しています。
Visit kyoritsu-pub.co.jpWe analyzed Kyoritsu-pub.co.jp page load time and found that the first response time was 2.8 sec and then it took 13.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
kyoritsu-pub.co.jp performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value6.7 s
7/100
25%
Value9.3 s
13/100
10%
Value2,750 ms
3/100
30%
Value0.194
63/100
15%
Value17.8 s
4/100
10%
2819 ms
998 ms
336 ms
338 ms
345 ms
Our browser made a total of 100 requests to load all elements on the main page. We found that 87% of them (87 requests) were addressed to the original Kyoritsu-pub.co.jp, 4% (4 requests) were made to Platform.twitter.com and 4% (4 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (7 sec) belongs to the original domain Kyoritsu-pub.co.jp.
Page size can be reduced by 512.9 kB (30%)
1.7 MB
1.2 MB
In fact, the total size of Kyoritsu-pub.co.jp 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. 35% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 52.7 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 52.7 kB or 81% of the original size.
Potential reduce by 368.7 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, Kyoritsu Pub needs image optimization as it can save up to 368.7 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 77.8 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 77.8 kB or 58% of the original size.
Potential reduce by 13.6 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. Kyoritsu-pub.co.jp needs all CSS files to be minified and compressed as it can save up to 13.6 kB or 75% of the original size.
Number of requests can be reduced by 57 (58%)
99
42
The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kyoritsu Pub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
kyoritsu-pub.co.jp
2819 ms
jquery-1.6.4.min.js
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kyoritsu-pub.co.jp accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
kyoritsu-pub.co.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
Page has valid source maps
kyoritsu-pub.co.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kyoritsu-pub.co.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 Kyoritsu-pub.co.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.
kyoritsu-pub.co.jp
Open Graph description is not detected on the main page of Kyoritsu Pub. 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: