Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

card-book.biz

クレジットカード現金化口コミ比較【Cardbook】2024年優良店ランキング!

Page Load Speed

8.2 sec in total

First Response

450 ms

Resources Loaded

7.4 sec

Page Rendered

357 ms

card-book.biz screenshot

About Website

Visit card-book.biz now to see the best up-to-date Cardbook content for Japan and also check out these interesting facts you probably never knew about card-book.biz

困ったときに頼りになるクレジットカード現金化サービス。しかし、還元率やキャッシュバックまでのスピードは店舗によって大きく異なります。当サイトでは、実際にサービスを利用した方からの口コミを元に、現金化店舗をランキング形式で紹介しています!

Visit card-book.biz

Key Findings

We analyzed Card-book.biz page load time and found that the first response time was 450 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

card-book.biz performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

card-book.biz

450 ms

card-book.biz

1603 ms

layout.css

220 ms

index.css

438 ms

rollover.js

656 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 98% of them (101 requests) were addressed to the original Card-book.biz, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Card-book.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 48.5 kB (22%)

Content Size

218.3 kB

After Optimization

169.8 kB

In fact, the total size of Card-book.biz main page is 218.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 147.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 24.1 kB

  • Original 28.9 kB
  • After minification 27.3 kB
  • After compression 4.8 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 24.1 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 7.8 kB

  • Original 147.8 kB
  • After minification 140.0 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. Cardbook images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 381 B

  • Original 21.6 kB
  • After minification 21.6 kB
  • After compression 21.2 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.

CSS Optimization

-82%

Potential reduce by 16.3 kB

  • Original 20.0 kB
  • After minification 14.8 kB
  • After compression 3.7 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. Card-book.biz needs all CSS files to be minified and compressed as it can save up to 16.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (49%)

Requests Now

101

After Optimization

52

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cardbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

card-book.biz accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

card-book.biz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

card-book.biz SEO score

100

Search Engine Optimization Advices

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Card-book.biz 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 Card-book.biz 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

Open Graph description is not detected on the main page of Cardbook. 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: