Access rakuten-card.co.jp. 【公式】クレジットカードなら、楽天カード

Report Summary

About Website

Click here to check amazing Rakuten Card content for Japan. Otherwise, check out these important facts you probably never knew about rakuten-card.co.jp

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Visit rakuten-card.co.jp

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value19.7 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value2,390 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.109

87/100

15%

TTI (Time to Interactive)

Value21.2 s

1/100

10%

www.rakuten-card.co.jp

1374 ms

jquery-1.6.2.min.js

1238 ms

top.js

627 ms

jquery.fancybox-1.3.4.js

937 ms

tab.js

477 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rakuten-card.co.jp, 75% (97 requests) were made to Image.card.jp.rakuten-static.com and 12% (16 requests) were made to Static.card.jp.rakuten-static.com. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source Image.card.jp.rakuten-static.com.

Content Size

1.1 MB

After Optimization

784.9 kB

In fact, the total size of Rakuten-card.co.jp main page is 1.1 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. 35% of websites need less resources to load. Images take 692.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 57.0 kB

Original 70.6 kB
After minification 66.0 kB
After compression 13.6 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 57.0 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 22.4 kB

Original 692.4 kB
After minification 669.9 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. Rakuten Card images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 151.8 kB

Original 242.9 kB
After minification 223.1 kB
After compression 91.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 151.8 kB or 63% of the original size.

CSS Optimization

-85%

Potential reduce by 59.7 kB

Original 70.0 kB
After minification 54.2 kB
After compression 10.3 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. Rakuten-card.co.jp needs all CSS files to be minified and compressed as it can save up to 59.7 kB or 85% of the original size.

Requests Now

128

After Optimization

The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rakuten Card. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rakuten-card.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 Rakuten-card.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.

Social Sharing Optimization

rakuten-card.co.jp

Open Graph data is detected on the main page of Rakuten Card. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

【公式】クレジットカードなら、楽天カード

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)