5.1 sec in total
1 sec
3.9 sec
155 ms
Click here to check amazing Kenkyusha content for Japan. Otherwise, check out these important facts you probably never knew about kenkyusha.co.jp
株式会社研究社の公式サイト。英語を中心とする語学・文学に関する書籍、英和辞典、和英辞典などの二か国語辞典を発行。新刊案内、書籍検索、電子出版物に関する情報。Web英語青年。
Visit kenkyusha.co.jpWe analyzed Kenkyusha.co.jp page load time and found that the first response time was 1 sec and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
kenkyusha.co.jp performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value4.5 s
37/100
25%
Value10.5 s
7/100
10%
Value0 ms
100/100
30%
Value0.067
97/100
15%
Value4.5 s
82/100
10%
1046 ms
170 ms
337 ms
339 ms
675 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Kenkyusha.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Kenkyusha.co.jp.
Page size can be reduced by 46.7 kB (34%)
139.0 kB
92.3 kB
In fact, the total size of Kenkyusha.co.jp main page is 139.0 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. 15% of websites need less resources to load. Images take 89.5 kB which makes up the majority of the site volume.
Potential reduce by 11.2 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. 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 11.2 kB or 70% of the original size.
Potential reduce by 17.5 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, Kenkyusha needs image optimization as it can save up to 17.5 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 9.7 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 9.7 kB or 43% of the original size.
Potential reduce by 8.3 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. Kenkyusha.co.jp needs all CSS files to be minified and compressed as it can save up to 8.3 kB or 76% of the original size.
Number of requests can be reduced by 12 (38%)
32
20
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kenkyusha. 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 CSS and as a result speed up the page load time.
index.php
1046 ms
xoops.css
170 ms
common.css
337 ms
style.css
339 ms
ecl.js
675 ms
convEUC2JIS.js
351 ms
r_search.js
352 ms
index.php
714 ms
index.css
170 ms
left_search_top.gif
169 ms
left_search_btn.gif
178 ms
left_search_bg02.gif
177 ms
banner11.gif
172 ms
banner12.gif
170 ms
banner01.gif
191 ms
banner02.gif
337 ms
banner04.gif
339 ms
banner05.gif
341 ms
toeic_bn2.jpg
700 ms
banner06.gif
525 ms
side_line.jpg
350 ms
banner08.gif
504 ms
picBg01.gif
505 ms
Real_Phrase.jpg
675 ms
picBg03.gif
509 ms
body_bg.gif
633 ms
header.gif
802 ms
left_search_bg01.gif
631 ms
globalMenu.gif
662 ms
picBg02.gif
789 ms
titleLine01.gif
799 ms
icon01.gif
805 ms
footer.gif
835 ms
kenkyusha.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
Image elements do not have [alt] attributes
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
kenkyusha.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
kenkyusha.co.jp SEO score
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
JA
JA
EUC-JP
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kenkyusha.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 Kenkyusha.co.jp main page’s claimed encoding is euc-jp. 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.
kenkyusha.co.jp
Open Graph description is not detected on the main page of Kenkyusha. 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: