9.9 sec in total
803 ms
8.3 sec
843 ms
Welcome to marinediving.com homepage info - get ready to check Marine Diving best content for Japan right away, or after learning these important things about marinediving.com
国内外の人気ダイビングエリアの最新情報から、スキル上達のコツ、事故予防&安全対策、ライセンス(Cカード)取得の方法まで、ダイビングを楽しむためのあらゆる情報を紹介します。非日常の感動いっぱいの海の世界を一緒に楽しみましょう!
Visit marinediving.comWe analyzed Marinediving.com page load time and found that the first response time was 803 ms and then it took 9.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
marinediving.com performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value8.4 s
2/100
25%
Value13.5 s
2/100
10%
Value70 ms
99/100
30%
Value0.212
59/100
15%
Value7.2 s
51/100
10%
803 ms
1494 ms
845 ms
294 ms
32 ms
Our browser made a total of 219 requests to load all elements on the main page. We found that 58% of them (127 requests) were addressed to the original Marinediving.com, 9% (19 requests) were made to Static.xx.fbcdn.net and 7% (15 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Marinediving.com.
Page size can be reduced by 393.0 kB (9%)
4.4 MB
4.0 MB
In fact, the total size of Marinediving.com main page is 4.4 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.0 MB which makes up the majority of the site volume.
Potential reduce by 63.2 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 63.2 kB or 78% of the original size.
Potential reduce by 219.2 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. Marine Diving images are well optimized though.
Potential reduce by 53.9 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 53.9 kB or 27% of the original size.
Potential reduce by 56.7 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. Marinediving.com needs all CSS files to be minified and compressed as it can save up to 56.7 kB or 80% of the original size.
Number of requests can be reduced by 70 (33%)
211
141
The browser has sent 211 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Marine Diving. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.
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marinediving.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
marinediving.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
marinediving.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Marinediving.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Marinediving.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.
marinediving.com
Open Graph data is detected on the main page of Marine Diving. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: