Tools & Wizards About Us

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

arde.co.jp

大工道具・金物の専門通販アルデ

Page Load Speed

11 sec in total

First Response

639 ms

Resources Loaded

9 sec

Page Rendered

1.4 sec

About Website

Welcome to arde.co.jp homepage info - get ready to check Arde best content for Japan right away, or after learning these important things about arde.co.jp

大工道具・金物の専門通販アルデ｜どんな道具・金物も揃う！プロも納得の品揃えと品質の大工道具・金物の専門通販ショップです。大工道具や電動工具から建築・園芸・生活用品まで幅広い取り扱いをしています。

Visit arde.co.jp

Key Findings

We analyzed Arde.co.jp page load time and found that the first response time was 639 ms and then it took 10.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

arde.co.jp performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value1,500 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.407

24/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

arde.co.jp

639 ms

www.arde.co.jp

1841 ms

import.css

500 ms

jquery-1.11.1.min.js

1328 ms

jquery-migrate-1.2.1.min.js

572 ms

Our browser made a total of 161 requests to load all elements on the main page. We found that 91% of them (147 requests) were addressed to the original Arde.co.jp, 2% (3 requests) were made to Use.fontawesome.com and 1% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Arde.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 367.5 kB (15%)

Content Size

2.4 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Arde.co.jp main page is 2.4 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. 60% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 87.8 kB

  • Original 104.5 kB
  • After minification 87.9 kB
  • After compression 16.7 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 16.6 kB, which is 16% 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 87.8 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 19.7 kB

  • Original 1.9 MB
  • After minification 1.8 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. Arde images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 132.5 kB

  • Original 317.7 kB
  • After minification 303.2 kB
  • After compression 185.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 132.5 kB or 42% of the original size.

CSS Optimization

-83%

Potential reduce by 127.6 kB

  • Original 154.3 kB
  • After minification 72.6 kB
  • After compression 26.7 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. Arde.co.jp needs all CSS files to be minified and compressed as it can save up to 127.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (17%)

Requests Now

155

After Optimization

129

  • Images
  • JavaScript
  • CSS

The browser has sent 155 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arde. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

arde.co.jp accessibility score

80

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-hidden="true"] elements contain focusable descendents

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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>).

Best Practices

arde.co.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

arde.co.jp SEO score

91

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 Arde.co.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 Arde.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

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