8.2 sec in total
985 ms
6.9 sec
276 ms
Visit cesa.or.jp now to see the best up-to-date CESA content for Japan and also check out these interesting facts you probably never knew about cesa.or.jp
健全にゲームを遊ぶための研究・啓発活動、各種ガイドラインの策定、ゲーム白書の発刊などを行い、東京ゲームショウや開発者会議などを開催し、業界全体で様々な活動に取り組んでいます。
Visit cesa.or.jpWe analyzed Cesa.or.jp page load time and found that the first response time was 985 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
cesa.or.jp performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value14.7 s
0/100
25%
Value10.1 s
9/100
10%
Value340 ms
74/100
30%
Value0.929
3/100
15%
Value7.2 s
50/100
10%
985 ms
68 ms
1708 ms
1348 ms
31 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 76% of them (42 requests) were addressed to the original Cesa.or.jp, 9% (5 requests) were made to Google.com and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Cesa.or.jp.
Page size can be reduced by 1.9 MB (45%)
4.3 MB
2.4 MB
In fact, the total size of Cesa.or.jp main page is 4.3 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. 40% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.
Potential reduce by 22.0 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 22.0 kB or 76% of the original size.
Potential reduce by 1.7 MB
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, CESA needs image optimization as it can save up to 1.7 MB or 45% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 102.3 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 102.3 kB or 30% of the original size.
Potential reduce by 68.9 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. Cesa.or.jp needs all CSS files to be minified and compressed as it can save up to 68.9 kB or 76% of the original size.
Number of requests can be reduced by 18 (33%)
54
36
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CESA. 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 9 to 1 for CSS and as a result speed up the page load time.
cesa.or.jp
985 ms
gtm.js
68 ms
style.css
1708 ms
lightbox.css
1348 ms
jquery.min.js
31 ms
ofi.min.js
1361 ms
analytics.js
27 ms
collect
20 ms
collect
35 ms
js
64 ms
slick.css
188 ms
slick-theme.css
373 ms
slick.min.js
930 ms
script.js
1364 ms
lightbox.js
1179 ms
sp.css
383 ms
pc.css
374 ms
clearfix.css
189 ms
slide_gameawards2024.png
3959 ms
close.png
193 ms
loading.gif
189 ms
prev.png
191 ms
next.png
190 ms
logo.png
191 ms
arrow.png
375 ms
slide_tgs2024.png
747 ms
banner_cedec2024_1000_300.jpg
1365 ms
banner4.jpg
1094 ms
banner_howto.png
2082 ms
banner_taiken.png
2160 ms
banner_survey.png
2050 ms
banner_interview.png
2194 ms
banner_guideline.png
1946 ms
banner_admission.png
2707 ms
keizai_banner_111012.jpg
2237 ms
soudan_img_02.png
2269 ms
cse.js
65 ms
circlearrow.png
359 ms
arrow_blue.png
361 ms
icon_pdf.png
360 ms
pagetop.png
365 ms
cse_element__ja.js
22 ms
default+ja.css
67 ms
default.css
69 ms
async-ads.js
26 ms
branding.png
29 ms
clear.png
21 ms
arrow2.png
193 ms
slide_arrow_l_m.png
190 ms
slide_arrow_r_m.png
192 ms
toparrow.png
191 ms
slidethum_gameawards2023.jpg
190 ms
slidethum_tgs2024.png
188 ms
banner_cedec2024_thumb.jpg
192 ms
thumb_banner4.png
195 ms
cesa.or.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
cesa.or.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
Page has valid source maps
cesa.or.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 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 Cesa.or.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 Cesa.or.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.
cesa.or.jp
Open Graph description is not detected on the main page of CESA. 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: