4.3 sec in total
1 sec
3 sec
265 ms
Welcome to scubaworld.co.jp homepage info - get ready to check Scuba World best content right away, or after learning these important things about scubaworld.co.jp
スクーバワールドは、ダイビングツアーのコンシェルジュとして、みなさまのご旅行を手配いたします。
Visit scubaworld.co.jpWe analyzed Scubaworld.co.jp page load time and found that the first response time was 1 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
scubaworld.co.jp performance score
name
value
score
weighting
Value2.6 s
64/100
10%
Value2.8 s
82/100
25%
Value4.2 s
78/100
10%
Value80 ms
99/100
30%
Value0.002
100/100
15%
Value3.1 s
95/100
10%
1036 ms
720 ms
335 ms
6 ms
359 ms
Our browser made a total of 104 requests to load all elements on the main page. We found that 25% of them (26 requests) were addressed to the original Scubaworld.co.jp, 22% (23 requests) were made to Maps.google.com and 18% (19 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Scubaworld.co.jp.
Page size can be reduced by 682.3 kB (53%)
1.3 MB
595.3 kB
In fact, the total size of Scubaworld.co.jp main page is 1.3 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. 70% of websites need less resources to load. Images take 751.3 kB which makes up the majority of the site volume.
Potential reduce by 32.3 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 32.3 kB or 83% of the original size.
Potential reduce by 326.9 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, Scuba World needs image optimization as it can save up to 326.9 kB or 44% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 314.7 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 314.7 kB or 66% 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. Scubaworld.co.jp needs all CSS files to be minified and compressed as it can save up to 8.3 kB or 84% of the original size.
Number of requests can be reduced by 36 (36%)
99
63
The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scuba World. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
scubaworld.co.jp
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styles-site.css
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loadswf.js
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urchin.js
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resort.jpg
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home.png
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tour_info.png
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top1.gif
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kishi_sw.jpg
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maps
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common.js
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map.js
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overlay.js
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util.js
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marker.js
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StaticMapService.GetMapImage
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onion.js
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ViewportInfoService.GetViewportInfo
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stats.js
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controls.js
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transparent.png
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css
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infowindow.js
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flag2.gif
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scubaworld.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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
<object> elements do not have alternate text
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
scubaworld.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
scubaworld.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
Document uses plugins
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scubaworld.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 Scubaworld.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.
scubaworld.co.jp
Open Graph description is not detected on the main page of Scuba World. 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: