13.6 sec in total
2.1 sec
11.2 sec
308 ms
Click here to check amazing Ten Tokyo Shoseki content for Japan. Otherwise, check out these important facts you probably never knew about ten.tokyo-shoseki.co.jp
東書Eネットは、東京書籍株式会社が提供する、先生のための教育資料・教育情報配信サイトです。
Visit ten.tokyo-shoseki.co.jpWe analyzed Ten.tokyo-shoseki.co.jp page load time and found that the first response time was 2.1 sec and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
ten.tokyo-shoseki.co.jp performance score
name
value
score
weighting
Value7.4 s
1/100
10%
Value11.6 s
0/100
25%
Value18.0 s
0/100
10%
Value150 ms
94/100
30%
Value0.898
3/100
15%
Value14.6 s
8/100
10%
2113 ms
628 ms
634 ms
498 ms
503 ms
Our browser made a total of 153 requests to load all elements on the main page. We found that 93% of them (142 requests) were addressed to the original Ten.tokyo-shoseki.co.jp, 3% (4 requests) were made to Stats.g.doubleclick.net and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Ten.tokyo-shoseki.co.jp.
Page size can be reduced by 279.1 kB (26%)
1.1 MB
783.1 kB
In fact, the total size of Ten.tokyo-shoseki.co.jp main page is 1.1 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. 40% of websites need less resources to load. Images take 841.8 kB which makes up the majority of the site volume.
Potential reduce by 56.2 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 13.9 kB, which is 20% 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 56.2 kB or 81% of the original size.
Potential reduce by 127.3 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. Obviously, Ten Tokyo Shoseki needs image optimization as it can save up to 127.3 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 70.1 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 70.1 kB or 59% of the original size.
Potential reduce by 25.6 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. Ten.tokyo-shoseki.co.jp needs all CSS files to be minified and compressed as it can save up to 25.6 kB or 80% of the original size.
Number of requests can be reduced by 73 (48%)
152
79
The browser has sent 152 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ten Tokyo Shoseki. 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 from 7 to 1 for CSS and as a result speed up the page load time.
ten.tokyo-shoseki.co.jp
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common130430.css
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style1.css
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style.css
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menu2.css
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slideshow.css
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thickbox.css
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jquery.min.js
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function.js
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common130430.js
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timer.js
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slideshow.js
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analytics_ten.js
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1938 ms
ten.tokyo-shoseki.co.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.
ten.tokyo-shoseki.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
ten.tokyo-shoseki.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
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ten.tokyo-shoseki.co.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 Ten.tokyo-shoseki.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.
ten.tokyo-shoseki.co.jp
Open Graph description is not detected on the main page of Ten Tokyo Shoseki. 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: