Tools & Wizards About Us
crefan.jp screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

crefan.jp

クレジットカードおすすめ比較はクレファン

Page Load Speed

5.7 sec in total

First Response

537 ms

Resources Loaded

4.2 sec

Page Rendered

976 ms

crefan.jp screenshot

About Website

Click here to check amazing Crefan content for Japan. Otherwise, check out these important facts you probably never knew about crefan.jp

クレジットカードの比較ならクレファン！独自サービスの審査合否情報やカードレビューはもちろん、作り方や使い方に至るまで、数千枚のクレジットカードデータベースの中から年会費・ポイント・マイル・ETC・付帯保険など、さまざまな視点から最適な一枚を探し出せます。

Visit crefan.jp

Key Findings

We analyzed Crefan.jp page load time and found that the first response time was 537 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

crefan.jp performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value1,710 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

crefan.jp

537 ms

crefan.jp

818 ms

bootstrap.css

345 ms

base.css

498 ms

common.css

509 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 71% of them (60 requests) were addressed to the original Crefan.jp, 7% (6 requests) were made to Pagead2.googlesyndication.com and 7% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Crefan.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 135.1 kB (22%)

Content Size

602.8 kB

After Optimization

467.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Crefan.jp main page is 602.8 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. 50% of websites need less resources to load. Javascripts take 328.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 81.7 kB

  • Original 96.0 kB
  • After minification 81.8 kB
  • After compression 14.3 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 14.1 kB, which is 15% 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 81.7 kB or 85% of the original size.

Image Optimization

-8%

Potential reduce by 9.9 kB

  • Original 126.3 kB
  • After minification 116.4 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. Crefan images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 28.5 kB

  • Original 328.5 kB
  • After minification 328.5 kB
  • After compression 300.0 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

-29%

Potential reduce by 15.0 kB

  • Original 52.0 kB
  • After minification 52.0 kB
  • After compression 37.0 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. Crefan.jp needs all CSS files to be minified and compressed as it can save up to 15.0 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (53%)

Requests Now

81

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crefan. 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 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

crefan.jp

crefan.jp

537 ms

crefan.jp

crefan.jp

818 ms

bootstrap.css

bootstrap.css

345 ms

base.css

base.css

498 ms

common.css

common.css

509 ms

show_ads.js

show_ads.js

88 ms

jquery.js

jquery.js

678 ms

popper.min.js

popper.min.js

587 ms

bootstrap.js

bootstrap.js

705 ms

common.js

common.js

600 ms

gtm.js

gtm.js

117 ms

logo.png

logo.png

228 ms

glyphicons-halflings.png

glyphicons-halflings.png

226 ms

glyphicons-halflings-white.png

glyphicons-halflings-white.png

222 ms

cf_icon_02.png

cf_icon_02.png

235 ms

adsbygoogle.js

adsbygoogle.js

362 ms

cf_icon_01.png

cf_icon_01.png

261 ms

cse.js

cse.js

46 ms

blocks

blocks

654 ms

cse_element__ja.js

cse_element__ja.js

26 ms

default+ja.css

default+ja.css

69 ms

default.css

default.css

71 ms

show_ads_impl.js

show_ads_impl.js

503 ms

00004404.jpg

00004404.jpg

172 ms

00001321.jpg

00001321.jpg

171 ms

00003796.jpg

00003796.jpg

171 ms

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00002946.jpg

175 ms

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00004254.jpg

165 ms

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176 ms

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330 ms

00003352.jpg

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338 ms

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338 ms

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00002228.jpg

341 ms

00001558.jpg

00001558.jpg

349 ms

00004431.jpg

00004431.jpg

351 ms

T_240310122351.jpg

T_240310122351.jpg

493 ms

T_230609102217.jpg

T_230609102217.jpg

506 ms

T_230609101950.jpg

T_230609101950.jpg

507 ms

T_230609101450.jpg

T_230609101450.jpg

513 ms

T_230609100547.jpg

T_230609100547.jpg

523 ms

00001044.jpg

00001044.jpg

525 ms

00000346.jpg

00000346.jpg

674 ms

00000702.jpg

00000702.jpg

679 ms

00000743.jpg

00000743.jpg

679 ms

00000098.jpg

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697 ms

00000426.jpg

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699 ms

00000241.jpg

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703 ms

00000122.jpg

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834 ms

00000541.jpg

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852 ms

00000152.jpg

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851 ms

00000139.jpg

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870 ms

00000176.jpg

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876 ms

2.jpg

2.jpg

878 ms

7.jpg

7.jpg

988 ms

33.jpg

33.jpg

1122 ms

73.jpg

73.jpg

1123 ms

32.jpg

32.jpg

1123 ms

20.jpg

20.jpg

1123 ms

4.jpg

4.jpg

1084 ms

zrt_lookup.html

zrt_lookup.html

53 ms

ads

ads

561 ms

3.jpg

3.jpg

989 ms

3.gif

3.gif

1018 ms

5.gif

5.gif

1018 ms

20.gif

20.gif

1044 ms

8.gif

8.gif

1055 ms

1.gif

1.gif

1057 ms

00004337.jpg

00004337.jpg

989 ms

00000449.jpg

00000449.jpg

1017 ms

00004052.jpg

00004052.jpg

1018 ms

14763004658117789537

14763004658117789537

166 ms

load_preloaded_resource.js

load_preloaded_resource.js

164 ms

abg_lite.js

abg_lite.js

163 ms

s

s

8 ms

window_focus.js

window_focus.js

34 ms

qs_click_protection.js

qs_click_protection.js

35 ms

ufs_web_display.js

ufs_web_display.js

29 ms

bbcd6bf18c20baa1b2adeb195de9b551.js

bbcd6bf18c20baa1b2adeb195de9b551.js

161 ms

icon.png

icon.png

24 ms

14763004658117789537

14763004658117789537

159 ms

css

css

30 ms

activeview

activeview

69 ms

WGg91BhL6Bhk3qTAPqmblqNZdzujbVjDoJfr3h8Q3EY.js

WGg91BhL6Bhk3qTAPqmblqNZdzujbVjDoJfr3h8Q3EY.js

73 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

205 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

206 ms

Accessibility Review

crefan.jp accessibility score

61

Accessibility Issues

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

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

These items highlight common accessibility best practices.

Impact

Issue

High

[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

High

Some elements have a [tabindex] value greater than 0

Best Practices

crefan.jp best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

crefan.jp SEO score

90

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Crefan.jp 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 Crefan.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

crefan.jp

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