Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

dtsupplier.jp

天然石の卸販売|天然石直送市場

Page Load Speed

66.5 sec in total

First Response

1.5 sec

Resources Loaded

62.8 sec

Page Rendered

2.2 sec

About Website

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

工場・産地から直送！世界各地からの天然石、パワーストーンを産地、加工工場より直送して卸販売しております。天然石ビーズ、パワーストーンブレスレット、誕生石ブレスレットなど20万点以上の品揃えで種類豊富です。

Visit dtsupplier.jp

Key Findings

We analyzed Dtsupplier.jp page load time and found that the first response time was 1.5 sec and then it took 65.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

dtsupplier.jp performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value1,970 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

www.dtsupplier.jp

1493 ms

colormekit.css

739 ms

colormekit-responsive.css

720 ms

index.css

177 ms

top.css

809 ms

Our browser made a total of 1129 requests to load all elements on the main page. We found that 1% of them (11 requests) were addressed to the original Dtsupplier.jp, 93% (1054 requests) were made to Img15.shop-pro.jp and 4% (41 requests) were made to Img.shop-pro.jp. The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source Img15.shop-pro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 MB (18%)

Content Size

15.2 MB

After Optimization

12.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dtsupplier.jp main page is 15.2 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. Only a small number of websites need less resources to load. Images take 12.9 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 1.5 MB

  • Original 1.6 MB
  • After minification 1.0 MB
  • After compression 127.6 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 591.3 kB, which is 37% 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 1.5 MB or 92% of the original size.

Image Optimization

-7%

Potential reduce by 940.4 kB

  • Original 12.9 MB
  • After minification 12.0 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. Dtsupplier images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 233.0 kB

  • Original 649.1 kB
  • After minification 648.6 kB
  • After compression 416.1 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 233.0 kB or 36% of the original size.

CSS Optimization

-73%

Potential reduce by 32.2 kB

  • Original 44.0 kB
  • After minification 34.4 kB
  • After compression 11.8 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. Dtsupplier.jp needs all CSS files to be minified and compressed as it can save up to 32.2 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (5%)

Requests Now

1128

After Optimization

1074

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 1128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dtsupplier. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dtsupplier.jp accessibility score

79

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.

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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>).

Best Practices

dtsupplier.jp best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

dtsupplier.jp SEO score

84

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

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

    N/A

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dtsupplier.jp can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Dtsupplier.jp main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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