13.6 sec in total
1.4 sec
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Welcome to dolphin-gt.co.jp homepage info - get ready to check Dolphin Gt best content for Japan right away, or after learning these important things about dolphin-gt.co.jp
Visit dolphin-gt.co.jpWe analyzed Dolphin-gt.co.jp page load time and found that the first response time was 1.4 sec and then it took 12.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
dolphin-gt.co.jp performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value10.1 s
0/100
25%
Value11.7 s
4/100
10%
Value570 ms
52/100
30%
Value0.221
56/100
15%
Value14.5 s
9/100
10%
1354 ms
201 ms
71 ms
399 ms
526 ms
Our browser made a total of 202 requests to load all elements on the main page. We found that 83% of them (168 requests) were addressed to the original Dolphin-gt.co.jp, 7% (15 requests) were made to Youtube.com and 4% (8 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Dolphin-gt.co.jp.
Page size can be reduced by 956.1 kB (10%)
9.8 MB
8.8 MB
In fact, the total size of Dolphin-gt.co.jp main page is 9.8 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. Only a small number of websites need less resources to load. Images take 8.6 MB which makes up the majority of the site volume.
Potential reduce by 209.8 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 209.8 kB or 89% of the original size.
Potential reduce by 710.0 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. Dolphin Gt images are well optimized though.
Potential reduce by 26.4 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. This website has mostly compressed JavaScripts.
Potential reduce by 9.9 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. Dolphin-gt.co.jp has all CSS files already compressed.
Number of requests can be reduced by 40 (20%)
199
159
The browser has sent 199 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dolphin Gt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
www.dolphin-gt.co.jp
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dolphin-gt.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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Definition list items are not wrapped in <dl> elements
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 valid value for its [lang] attribute.
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.
dolphin-gt.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
dolphin-gt.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
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
JP
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dolphin-gt.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed language. Our system also found out that Dolphin-gt.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.
dolphin-gt.co.jp
Open Graph description is not detected on the main page of Dolphin Gt. 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: