Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

dafuku.com

ダーフク.com | How to & レビューブログ dafuku.com

Page Load Speed

7.2 sec in total

First Response

112 ms

Resources Loaded

6.3 sec

Page Rendered

710 ms

dafuku.com screenshot

About Website

Welcome to dafuku.com homepage info - get ready to check Dafuku best content for Japan right away, or after learning these important things about dafuku.com

福田修平(ダーフク)によるHow to & レビューブログです。Mac,カメラ,ギター,Amazonで買った物に関すること紹介!

Visit dafuku.com

Key Findings

We analyzed Dafuku.com page load time and found that the first response time was 112 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

dafuku.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value2,060 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.358

30/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

dafuku.com

112 ms

www.dafuku.com

486 ms

3375562265-css_bundle_v2.css

50 ms

authorization.css

101 ms

plusone.js

80 ms

Our browser made a total of 260 requests to load all elements on the main page. We found that 2% of them (4 requests) were addressed to the original Dafuku.com, 10% (26 requests) were made to Apis.google.com and 7% (18 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Cdn.logly.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 480.8 kB (22%)

Content Size

2.2 MB

After Optimization

1.7 MB

In fact, the total size of Dafuku.com main page is 2.2 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 198.4 kB

  • Original 238.1 kB
  • After minification 227.1 kB
  • After compression 39.8 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 198.4 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 50.7 kB

  • Original 1.4 MB
  • After minification 1.4 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. Dafuku images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 189.5 kB

  • Original 482.8 kB
  • After minification 479.0 kB
  • After compression 293.4 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 189.5 kB or 39% of the original size.

CSS Optimization

-71%

Potential reduce by 42.2 kB

  • Original 59.5 kB
  • After minification 49.5 kB
  • After compression 17.3 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. Dafuku.com needs all CSS files to be minified and compressed as it can save up to 42.2 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 136 (56%)

Requests Now

243

After Optimization

107

The browser has sent 243 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dafuku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 72 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dafuku.com accessibility score

85

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

dafuku.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dafuku.com SEO score

89

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

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 Dafuku.com 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 Dafuku.com 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 Dafuku. 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: