10.7 sec in total
600 ms
9.8 sec
283 ms
Click here to check amazing BSAC content. Otherwise, check out these important facts you probably never knew about bsac.co.jp
BSACは、世界で最も歴史と伝統のあるダイビングクラブです。スクーバダイビング指導団体として、Cカード(ダイビングライセンス)発行・ダイビングショップ(ダイブセンター)のご案内・インストラクターの指導と育成などを行っています。
Visit bsac.co.jpWe analyzed Bsac.co.jp page load time and found that the first response time was 600 ms and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
bsac.co.jp performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value11.8 s
0/100
25%
Value9.8 s
10/100
10%
Value180 ms
91/100
30%
Value0.183
66/100
15%
Value8.9 s
35/100
10%
600 ms
2310 ms
353 ms
360 ms
963 ms
Our browser made a total of 114 requests to load all elements on the main page. We found that 95% of them (108 requests) were addressed to the original Bsac.co.jp, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Bsac.co.jp.
Page size can be reduced by 313.0 kB (11%)
2.8 MB
2.5 MB
In fact, the total size of Bsac.co.jp main page is 2.8 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. 35% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.
Potential reduce by 38.6 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 38.6 kB or 81% of the original size.
Potential reduce by 171.5 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. BSAC images are well optimized though.
Potential reduce by 96.8 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 96.8 kB or 63% of the original size.
Potential reduce by 6.1 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. Bsac.co.jp needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 72% of the original size.
Number of requests can be reduced by 16 (14%)
112
96
The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BSAC. 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 as a result speed up the page load time.
bsac.co.jp
600 ms
www.bsac.co.jp
2310 ms
base.css
353 ms
top.css
360 ms
jQuery.1.9.1.js
963 ms
jQuery.easing.1.3.js
381 ms
base.js
381 ms
top.js
434 ms
ga.js
359 ms
header_logo.png
180 ms
key005.png
1746 ms
key004.png
1151 ms
key003.png
1524 ms
key002.png
1606 ms
key001-2.png
1522 ms
btn_header_contact.png
359 ms
btn_header_sitemap.png
538 ms
btn_header_english.png
717 ms
btn_twitter.png
895 ms
btn_facebook.png
1074 ms
01.png
1253 ms
02.png
1341 ms
03.png
1432 ms
04_e2.png
1531 ms
05.png
1610 ms
sidemenu_bottom.png
1711 ms
btn_member_login.png
1713 ms
sidemenu_top.png
1721 ms
btn_sidemenu_m01.png
1784 ms
btn_sidemenu_s101.png
1790 ms
btn_sidemenu_s102.png
1899 ms
btn_sidemenu_s103.png
1902 ms
btn_sidemenu_s104.png
1910 ms
btn_sidemenu_s105.png
1960 ms
btn_sidemenu_m02.png
1962 ms
btn_sidemenu_s201.png
1967 ms
btn_sidemenu_s202.png
2088 ms
btn_sidemenu_s203.png
2092 ms
btn_sidemenu_m03.png
2099 ms
btn_sidemenu_s302.png
2178 ms
btn_sidemenu_s303.png
2138 ms
btn_sidemenu_s304-2.png
2144 ms
btn_sidemenu_s305.png
2277 ms
btn_sidemenu_s306.png
2281 ms
analytics.js
10 ms
btn_sidemenu_s307.png
2266 ms
all.js
165 ms
collect
15 ms
btn_sidemenu_s308.png
2142 ms
38 ms
xd_arbiter.php
151 ms
xd_arbiter.php
277 ms
btn_sidemenu_s309.png
1969 ms
btn_sidemenu_s310.png
1861 ms
btn_sidemenu_s311.png
1754 ms
btn_sidemenu_s312.png
1580 ms
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1409 ms
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1349 ms
btn_sidemenu_s315.png
1253 ms
btn_sidemenu_m04_e2.png
1277 ms
1.png
1228 ms
2.png
1144 ms
3.png
1150 ms
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1146 ms
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1079 ms
6.png
1224 ms
7.png
1139 ms
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1142 ms
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1142 ms
10.png
1113 ms
11.png
1080 ms
btn_sidemenu_m05.png
1263 ms
btn_sidemenu_m07.png
1138 ms
btn_sidemenu_m06.png
1142 ms
btn_sidemenu_s602.png
1123 ms
btn_sidemenu_s603.png
1091 ms
btn_sidemenu_m08.png
1079 ms
btn_sidemenu_m09.png
1245 ms
btn_sidemenu_m10.png
1139 ms
btn_sidemenu_m11.png
1128 ms
bnr_reissue.png
1135 ms
bnr_crossover.png
1130 ms
bnr_recruit.png
1097 ms
bnr_shop.png
1214 ms
img_royallogo.png
1655 ms
title_bsac_news.png
1134 ms
news_arrow.png
1136 ms
title_center_news.png
1115 ms
title_spot_news.png
1162 ms
title_lets_diving.png
1173 ms
btn_lets_diving_01-2.png
3603 ms
btn_lets_diving_02.png
1527 ms
btn_lets_diving_03.png
1526 ms
btn_lets_diving_04.png
1210 ms
btn_lets_diving_05.png
1248 ms
title_about.png
1310 ms
img_rinen.png
1274 ms
title_btn_rinen.png
1480 ms
img_history.png
1443 ms
title_btn_history.png
1439 ms
title_blue.png
1508 ms
img_course.png
2158 ms
title_btn_course.png
1446 ms
img_center.png
1438 ms
title_btn_center.png
1507 ms
img_spot.png
2274 ms
title_btn_spot.png
1609 ms
footer_logo.png
1440 ms
footer_totop.png
1542 ms
footer_top.png
1611 ms
arrow_01.png
1607 ms
arrow_02.png
1746 ms
arrow_03.png
1778 ms
footer_copyright.png
1619 ms
bsac.co.jp accessibility score
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
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.
bsac.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
General
Impact
Issue
Detected JavaScript libraries
bsac.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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bsac.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 Bsac.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.
bsac.co.jp
Open Graph description is not detected on the main page of BSAC. 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: