7 sec in total
1.3 sec
4.5 sec
1.2 sec
Visit jammarineclub.com now to see the best up-to-date Jammarineclub content and also check out these interesting facts you probably never knew about jammarineclub.com
沖縄ダイビングショップJAMマリンクラブは沖縄にあるダイビングショップです。一番人気の慶良間国立公園や人気の青の洞窟にご案内しております。
Visit jammarineclub.comWe analyzed Jammarineclub.com page load time and found that the first response time was 1.3 sec and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
jammarineclub.com performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value8.3 s
2/100
25%
Value10.1 s
9/100
10%
Value470 ms
61/100
30%
Value0
100/100
15%
Value4.7 s
80/100
10%
1347 ms
330 ms
330 ms
511 ms
339 ms
Our browser made a total of 119 requests to load all elements on the main page. We found that 66% of them (78 requests) were addressed to the original Jammarineclub.com, 19% (23 requests) were made to Angellip.sub.jp and 5% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Angellip.sub.jp.
Page size can be reduced by 334.3 kB (5%)
6.2 MB
5.9 MB
In fact, the total size of Jammarineclub.com main page is 6.2 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. 70% of websites need less resources to load. Images take 5.7 MB which makes up the majority of the site volume.
Potential reduce by 98.5 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 98.5 kB or 84% of the original size.
Potential reduce by 228.4 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. Jammarineclub images are well optimized though.
Potential reduce by 4.1 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. This website has mostly compressed JavaScripts.
Potential reduce by 3.3 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. Jammarineclub.com has all CSS files already compressed.
Number of requests can be reduced by 23 (21%)
112
89
The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jammarineclub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
jammarineclub.com
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jammarineclub.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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
jammarineclub.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
jammarineclub.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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jammarineclub.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 Jammarineclub.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.
jammarineclub.com
Open Graph description is not detected on the main page of Jammarineclub. 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: