9.2 sec in total
775 ms
8 sec
407 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 775 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
bsac.co.jp performance score
name
value
score
weighting
Value4.7 s
13/100
10%
Value12.7 s
0/100
25%
Value14.1 s
1/100
10%
Value340 ms
74/100
30%
Value0.184
66/100
15%
Value11.1 s
20/100
10%
775 ms
1112 ms
61 ms
72 ms
538 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 88% of them (45 requests) were addressed to the original Bsac.co.jp, 6% (3 requests) were made to Googletagmanager.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Bsac.co.jp.
Page size can be reduced by 215.8 kB (4%)
5.2 MB
4.9 MB
In fact, the total size of Bsac.co.jp main page is 5.2 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 4.9 MB which makes up the majority of the site volume.
Potential reduce by 18.6 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. This page needs HTML code to be minified as it can gain 3.4 kB, which is 13% 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 18.6 kB or 72% of the original size.
Potential reduce by 1.3 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 35.4 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 35.4 kB or 44% of the original size.
Potential reduce by 160.5 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 160.5 kB or 84% of the original size.
Number of requests can be reduced by 17 (35%)
49
32
The browser has sent 49 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 from 5 to 1 for CSS and as a result speed up the page load time.
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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.
{{og_description}}
bsac.co.jp
Open Graph data is detected on the main page of BSAC. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: