11.6 sec in total
1.1 sec
10 sec
570 ms
Welcome to yellowsubmarine.co.jp homepage info - get ready to check Yellowsubmarine best content for Japan right away, or after learning these important things about yellowsubmarine.co.jp
イエローサブマリンでは、ボードゲーム・TRPG・TCG等アナログゲーム商品、プラモデル・フィギュア等ホビー商品の販売買取を行っています。委託販売や郵送買取についてもお気軽にお問い合せください。
Visit yellowsubmarine.co.jpWe analyzed Yellowsubmarine.co.jp page load time and found that the first response time was 1.1 sec and then it took 10.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
yellowsubmarine.co.jp performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value14.7 s
0/100
25%
Value17.9 s
0/100
10%
Value140 ms
96/100
30%
Value0.546
13/100
15%
Value12.5 s
14/100
10%
1056 ms
341 ms
368 ms
29 ms
460 ms
Our browser made a total of 159 requests to load all elements on the main page. We found that 77% of them (122 requests) were addressed to the original Yellowsubmarine.co.jp, 18% (29 requests) were made to Shop.yellowsubmarine.co.jp and 2% (3 requests) were made to J1.ax.xrea.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Yellowsubmarine.co.jp.
Page size can be reduced by 171.4 kB (5%)
3.4 MB
3.3 MB
In fact, the total size of Yellowsubmarine.co.jp main page is 3.4 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. 55% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.
Potential reduce by 35.0 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 8.4 kB, which is 20% 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 35.0 kB or 85% of the original size.
Potential reduce by 26.4 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. Yellowsubmarine images are well optimized though.
Potential reduce by 68.4 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 68.4 kB or 69% of the original size.
Potential reduce by 41.6 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. Yellowsubmarine.co.jp needs all CSS files to be minified and compressed as it can save up to 41.6 kB or 84% of the original size.
Number of requests can be reduced by 35 (22%)
158
123
The browser has sent 158 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yellowsubmarine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
yellowsubmarine.co.jp
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yellowsubmarine.co.jp 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
Image elements do not have [alt] attributes
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
yellowsubmarine.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
yellowsubmarine.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 doesn't use legible font sizes
Tap targets are not sized appropriately
JA
N/A
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yellowsubmarine.co.jp 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 Yellowsubmarine.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
yellowsubmarine.co.jp
Open Graph description is not detected on the main page of Yellowsubmarine. 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: