Tools & Wizards About Us

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

dinsgr.co.jp

大栄環境グループ

Page Load Speed

4.7 sec in total

First Response

574 ms

Resources Loaded

3.5 sec

Page Rendered

606 ms

About Website

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

廃棄物の収集運搬から、中間処理、無害化処理、リサイクル、最終処分まで一貫したサービスを行っています。

Visit dinsgr.co.jp

Key Findings

We analyzed Dinsgr.co.jp page load time and found that the first response time was 574 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

dinsgr.co.jp performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value69.7 s

0/100

25%

SI (Speed Index)

Value24.2 s

0/100

10%

TBT (Total Blocking Time)

Value2,330 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.281

43/100

15%

TTI (Time to Interactive)

Value83.9 s

0/100

10%

Network Requests Diagram

dinsgr.co.jp

574 ms

www.dinsgr.co.jp

256 ms

muk8xba.js

167 ms

style.css

15 ms

jquery.min.js

36 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 61% of them (53 requests) were addressed to the original Dinsgr.co.jp, 24% (21 requests) were made to Fonts.gstatic.com and 9% (8 requests) were made to Ssl4.eir-parts.net. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Dinsgr.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 283.1 kB (2%)

Content Size

13.5 MB

After Optimization

13.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dinsgr.co.jp main page is 13.5 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 13.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 24.0 kB

  • Original 30.7 kB
  • After minification 28.2 kB
  • After compression 6.7 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. 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 24.0 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 187.2 kB

  • Original 13.2 MB
  • After minification 13.1 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. Dinsgr images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 45.0 kB

  • Original 165.3 kB
  • After minification 165.3 kB
  • After compression 120.3 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 45.0 kB or 27% of the original size.

CSS Optimization

-43%

Potential reduce by 27.0 kB

  • Original 63.6 kB
  • After minification 63.6 kB
  • After compression 36.5 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. Dinsgr.co.jp needs all CSS files to be minified and compressed as it can save up to 27.0 kB or 43% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (42%)

Requests Now

64

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dinsgr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dinsgr.co.jp accessibility score

84

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

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.

Best Practices

dinsgr.co.jp 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dinsgr.co.jp SEO score

87

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

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