Tools & Wizards About Us
zaif.jp screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zaif.jp

暗号資産・販売所 - Zaif

Page Load Speed

3.1 sec in total

First Response

297 ms

Resources Loaded

2 sec

Page Rendered

850 ms

zaif.jp screenshot

About Website

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

『暗号資産で資産形成ならZaif』 対象暗号資産の保有数量に応じて報酬を受け取れるステーキングや、1000円から始められるコイン積立、利用額に応じてBitcoinが還元されるZaifカードなど、独自のサービスで暗号資産の多様な資産形成手段をご提供しております。

Visit zaif.jp

Key Findings

We analyzed Zaif.jp page load time and found that the first response time was 297 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

zaif.jp performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value20.8 s

0/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value7.5 s

47/100

10%

Network Requests Diagram

zaif.jp

297 ms

zaif.jp

776 ms

gtm.js

102 ms

bootstrap.min.css

61 ms

typeahead.js-bootstrap.css

56 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Zaif.jp, 85% (62 requests) were made to D2p8taqyjofgrq.cloudfront.net and 4% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (776 ms) belongs to the original domain Zaif.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 541.7 kB (18%)

Content Size

3.0 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zaif.jp main page is 3.0 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 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 41.2 kB

  • Original 51.9 kB
  • After minification 40.8 kB
  • After compression 10.7 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 11.1 kB, which is 21% 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 41.2 kB or 79% of the original size.

Image Optimization

-17%

Potential reduce by 455.5 kB

  • Original 2.7 MB
  • After minification 2.2 MB

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. Obviously, Zaif needs image optimization as it can save up to 455.5 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 40.3 kB

  • Original 233.9 kB
  • After minification 224.4 kB
  • After compression 193.5 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 40.3 kB or 17% of the original size.

CSS Optimization

-10%

Potential reduce by 4.6 kB

  • Original 45.7 kB
  • After minification 45.5 kB
  • After compression 41.1 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. Zaif.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (42%)

Requests Now

66

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zaif. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zaif.jp

zaif.jp

297 ms

zaif.jp

zaif.jp

776 ms

gtm.js

gtm.js

102 ms

bootstrap.min.css

bootstrap.min.css

61 ms

typeahead.js-bootstrap.css

typeahead.js-bootstrap.css

56 ms

style.css

style.css

56 ms

baseaccount.css

baseaccount.css

54 ms

font-awesome.min.css

font-awesome.min.css

67 ms

swiper.min.css

swiper.min.css

70 ms

css2

css2

75 ms

index.css

index.css

69 ms

logo-Index.css

logo-Index.css

66 ms

animate.css

animate.css

65 ms

wow.min.js

wow.min.js

70 ms

css

css

89 ms

css

css

117 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

73 ms

jquery.cookie.js

jquery.cookie.js

70 ms

bootstrap.min.js

bootstrap.min.js

70 ms

typeahead.bundle.min.js

typeahead.bundle.min.js

70 ms

jquery.toaster.min.js

jquery.toaster.min.js

69 ms

assets.min.js

assets.min.js

77 ms

jquery.easing.js

jquery.easing.js

77 ms

swiper.min.js

swiper.min.js

79 ms

bundle.min.js

bundle.min.js

78 ms

bundle.tracing.min.js

bundle.tracing.min.js

79 ms

mathcontext.js

mathcontext.js

78 ms

bigdecimal.js

bigdecimal.js

82 ms

jquery.color.js

jquery.color.js

78 ms

swiper-bundle.min.js

swiper-bundle.min.js

82 ms

page-visibility.js

page-visibility.js

82 ms

currency_list.min.js

currency_list.min.js

82 ms

zaif_blue.svg

zaif_blue.svg

111 ms

qa.png

qa.png

105 ms

lang.png

lang.png

106 ms

fv_bg.jpg

fv_bg.jpg

117 ms

right_circle.svg

right_circle.svg

105 ms

mock_sp.png

mock_sp.png

113 ms

feature_1.jpg

feature_1.jpg

111 ms

feature_2.jpg

feature_2.jpg

114 ms

feature_3.jpg

feature_3.jpg

112 ms

sp_app.jpg

sp_app.jpg

117 ms

app_store_black_jp.png

app_store_black_jp.png

112 ms

google_play_store.png

google_play_store.png

115 ms

store_redirect_qr.png

store_redirect_qr.png

113 ms

zaif_card.jpg

zaif_card.jpg

118 ms

right_circle_blue.svg

right_circle_blue.svg

114 ms

xym_staking.png

xym_staking.png

118 ms

banner_zaif_card_2.png

banner_zaif_card_2.png

119 ms

banner_staking_appel2.png

banner_staking_appel2.png

118 ms

banner_app_202404.png

banner_app_202404.png

118 ms

banner_zaif_card_202404.png

banner_zaif_card_202404.png

119 ms

banner_otegaru_manga_202404.png

banner_otegaru_manga_202404.png

124 ms

banner_cs_notice_01.png

banner_cs_notice_01.png

121 ms

banner_cs_notice_02.png

banner_cs_notice_02.png

120 ms

prev.svg

prev.svg

119 ms

next.svg

next.svg

121 ms

step_1.png

step_1.png

122 ms

step_2.png

step_2.png

123 ms

step_3.png

step_3.png

122 ms

news_icon_info.png

news_icon_info.png

122 ms

service_1.svg

service_1.svg

124 ms

service_2.svg

service_2.svg

124 ms

service_3.svg

service_3.svg

126 ms

service_4.svg

service_4.svg

127 ms

service_5.svg

service_5.svg

126 ms

zaif-logo-white.png

zaif-logo-white.png

128 ms

icon-x.svg

icon-x.svg

129 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

86 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFCMj75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFCMj75s.ttf

192 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

217 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

33 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

34 ms

Accessibility Review

zaif.jp accessibility score

89

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

zaif.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zaif.jp SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zaif.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 English language. Our system also found out that Zaif.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

zaif.jp

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