3.9 sec in total
650 ms
2.8 sec
466 ms
Visit edu-network.jp now to see the best up-to-date Edu Network content for Japan and also check out these interesting facts you probably never knew about edu-network.jp
塾専用教材・学校教材を販売。塾専用教材オンラインストアで購入もできる。小学教材・中学教材・高校教材まで塾専用教材が豊富。塾向け教育情報動画、保護者会資料など塾で役立つツールも充実。エデュケーショナルネットワーク
Visit edu-network.jpWe analyzed Edu-network.jp page load time and found that the first response time was 650 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
edu-network.jp performance score
name
value
score
weighting
Value7.6 s
1/100
10%
Value11.2 s
0/100
25%
Value10.8 s
6/100
10%
Value130 ms
96/100
30%
Value0.365
29/100
15%
Value9.3 s
31/100
10%
650 ms
303 ms
1072 ms
492 ms
330 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 93% of them (26 requests) were addressed to the original Edu-network.jp, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Edu-network.jp.
Page size can be reduced by 631.2 kB (28%)
2.3 MB
1.6 MB
In fact, the total size of Edu-network.jp main page is 2.3 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. 25% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 27.9 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 18.3 kB, which is 55% 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 27.9 kB or 85% of the original size.
Potential reduce by 146.1 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. Edu Network images are well optimized though.
Potential reduce by 235.6 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 235.6 kB or 74% of the original size.
Potential reduce by 221.6 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. Edu-network.jp needs all CSS files to be minified and compressed as it can save up to 221.6 kB or 90% of the original size.
Number of requests can be reduced by 4 (15%)
27
23
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edu Network. 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 as a result speed up the page load time.
edu-network.jp
650 ms
normalize.css
303 ms
foundation.css
1072 ms
styles.css
492 ms
modernizr.js
330 ms
jquery.js
687 ms
foundation.min.js
1082 ms
script.js
307 ms
logo-e.png
191 ms
2014_allyear.png
467 ms
2016_spring.png
1178 ms
2016_shinsaku.png
1002 ms
2015_syougakueigokyouzai.png
1154 ms
educom_banner_big.jpg
266 ms
br_rika-yoko.png
631 ms
banner_long.png
419 ms
br_ritapri.jpg
572 ms
br-digital_spring.jpg
617 ms
br_getthrough.jpg
725 ms
d-shidousho_banner.jpg
772 ms
bn_mailmaga.jpg
784 ms
bannar_system-camp0105-0331.jpg
881 ms
bn_checksheet.jpg
925 ms
bn_tsuiseki.gif
937 ms
bn_hensyu.png
1032 ms
10860722_03_75_JP.gif
1077 ms
ga.js
16 ms
__utm.gif
12 ms
edu-network.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.
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
edu-network.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
edu-network.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 doesn't use legible font sizes
Tap targets are not sized appropriately
JA
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edu-network.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that Edu-network.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.
edu-network.jp
Open Graph description is not detected on the main page of Edu Network. 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: