8.9 sec in total
572 ms
8.1 sec
186 ms
Click here to check amazing Kagaku Adv content for Japan. Otherwise, check out these important facts you probably never knew about kagaku-adv.com
科学アドベンチャーシリーズの最新情報をお知らせする「科学アドベンチャーシリーズポータルサイト」
Visit kagaku-adv.comWe analyzed Kagaku-adv.com page load time and found that the first response time was 572 ms and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
kagaku-adv.com performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value12.4 s
0/100
25%
Value14.1 s
1/100
10%
Value540 ms
54/100
30%
Value0.479
18/100
15%
Value18.1 s
3/100
10%
572 ms
955 ms
407 ms
933 ms
457 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 91% of them (60 requests) were addressed to the original Kagaku-adv.com, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Kagaku-adv.com.
Page size can be reduced by 157.7 kB (15%)
1.0 MB
867.1 kB
In fact, the total size of Kagaku-adv.com main page is 1.0 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 831.4 kB which makes up the majority of the site volume.
Potential reduce by 14.8 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 14.8 kB or 77% of the original size.
Potential reduce by 27.5 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. Kagaku Adv images are well optimized though.
Potential reduce by 109.8 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 109.8 kB or 66% of the original size.
Potential reduce by 5.6 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. Kagaku-adv.com needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 79% of the original size.
Number of requests can be reduced by 10 (16%)
61
51
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kagaku Adv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
kagaku-adv.com
572 ms
www.kagaku-adv.com
955 ms
import.css
407 ms
jquery-1.10.1.min.js
933 ms
simpleSlide.js
457 ms
init.js
450 ms
easySlider1.5.js
450 ms
default.css
340 ms
style.css
372 ms
module.css
384 ms
base.css
415 ms
logo.gif
390 ms
slidebtn_left.png
350 ms
img_robotics.jpg
1223 ms
img_sgfdxbox.jpg
1411 ms
img_sgpsp.jpg
1494 ms
img_chnpsp.jpg
1158 ms
slidebtn_right.png
714 ms
bn_chaoschild.jpg
1064 ms
bn_sgphe.jpg
1453 ms
bn_sgvita.jpg
1626 ms
bn_sgfdvita.jpg
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bn_chnps3.jpg
1912 ms
bn_chlccps3.jpg
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bn_robotics_.jpg
2196 ms
bn_sgps3.jpg
2029 ms
bn_sgfdps3.jpg
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bn_sgfdpsp.jpg
2593 ms
bn_chlccplatinum.jpg
2608 ms
bn_sg8bit2.jpg
2767 ms
bn_sgplatinum.jpg
2850 ms
bn_sgfdxbox.jpg
2959 ms
bn_sgpsp.jpg
2875 ms
bn_chnpsp.jpg
3344 ms
bn_chlccpsp.jpg
3306 ms
bn_sgwin.jpg
3510 ms
bn_chlccxbox.jpg
3545 ms
bn_sgxbox.jpg
3570 ms
bn_chnxbox.jpg
3653 ms
bn_chwin.jpg
4001 ms
bn_twitter.png
3865 ms
bn_rainetmanual.png
3869 ms
movie.gif
4414 ms
bn_kagakuadvblog_small.gif
4127 ms
btn_5pb.png
4013 ms
btn_nitroplus.png
4225 ms
gtm.js
30 ms
copyright.png
4402 ms
analytics.js
4 ms
conversion_async.js
15 ms
collect
24 ms
40 ms
35 ms
main_back.gif
4004 ms
header_back.gif
4495 ms
cm_back.gif
4905 ms
cm_back.png
3525 ms
lineup_back.gif
3892 ms
topics_back.gif
3725 ms
box2_back.jpg
3595 ms
news_back.gif
3675 ms
movie_back.gif
3954 ms
blog_back.gif
3887 ms
footer_top.png
3491 ms
lineup_btn_prv.gif
3489 ms
lineup_btn_next.gif
3468 ms
kagaku-adv.com 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
kagaku-adv.com 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
Page has valid source maps
kagaku-adv.com 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 Kagaku-adv.com 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 Kagaku-adv.com 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.
kagaku-adv.com
Open Graph description is not detected on the main page of Kagaku Adv. 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: