Tools & Wizards About Us

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

ghg-santeikohyo.env.go.jp

環境省_ホーム |「温室効果ガス排出量 算定・報告・公表制度」ウェブサイト

Page Load Speed

5.4 sec in total

First Response

553 ms

Resources Loaded

4.7 sec

Page Rendered

119 ms

About Website

Welcome to ghg-santeikohyo.env.go.jp homepage info - get ready to check Ghg Santeikohyo Env best content for Japan right away, or after learning these important things about ghg-santeikohyo.env.go.jp

H18.4.1から、特定排出者に自らの温室効果ガスの排出量を算定し国に報告することが義務付けられます。ここでは、制度概要の説明や必要な様式のダウンロードや関連資料が参照できます

Visit ghg-santeikohyo.env.go.jp

Key Findings

We analyzed Ghg-santeikohyo.env.go.jp page load time and found that the first response time was 553 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

ghg-santeikohyo.env.go.jp performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value1

2/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

ghg-santeikohyo.env.go.jp

553 ms

style.css

499 ms

DropDownMenu.css

343 ms

navi.js

344 ms

DropDownMenu.js

352 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 98% of them (54 requests) were addressed to the original Ghg-santeikohyo.env.go.jp, 2% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Ghg-santeikohyo.env.go.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 258.2 kB (74%)

Content Size

348.2 kB

After Optimization

90.0 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Ghg-santeikohyo.env.go.jp main page is 348.2 kB. 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 10% of websites need less resources to load. Javascripts take 304.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.7 kB

  • Original 11.9 kB
  • After minification 10.6 kB
  • After compression 3.2 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 1.3 kB, which is 11% 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 8.7 kB or 73% of the original size.

JavaScript Optimization

-72%

Potential reduce by 219.8 kB

  • Original 304.4 kB
  • After minification 296.9 kB
  • After compression 84.6 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 219.8 kB or 72% of the original size.

CSS Optimization

-93%

Potential reduce by 29.7 kB

  • Original 31.9 kB
  • After minification 9.4 kB
  • After compression 2.2 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. Ghg-santeikohyo.env.go.jp needs all CSS files to be minified and compressed as it can save up to 29.7 kB or 93% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (50%)

Requests Now

54

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ghg Santeikohyo Env. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ghg-santeikohyo.env.go.jp accessibility score

96

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

ghg-santeikohyo.env.go.jp best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ghg-santeikohyo.env.go.jp SEO score

98

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 Ghg-santeikohyo.env.go.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 Ghg-santeikohyo.env.go.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 Ghg Santeikohyo Env. 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: