Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

shinnihon-gas.co.jp

新日本ガス | 都市ガス・ガス機器販売・ガス工事の設計施工

Page Load Speed

9.3 sec in total

First Response

1.2 sec

Resources Loaded

7.8 sec

Page Rendered

250 ms

shinnihon-gas.co.jp screenshot

About Website

Welcome to shinnihon-gas.co.jp homepage info - get ready to check Shinnihon Gas best content right away, or after learning these important things about shinnihon-gas.co.jp

新日本ガス|埼玉県を中心とする都市ガス・ガス機器の販売・リフォーム事業

Visit shinnihon-gas.co.jp

Key Findings

We analyzed Shinnihon-gas.co.jp page load time and found that the first response time was 1.2 sec and then it took 8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

shinnihon-gas.co.jp performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.0 s

43/100

10%

Network Requests Diagram

www.shinnihon-gas.co.jp

1233 ms

jquery.js

996 ms

pngfix.js

335 ms

import.css

339 ms

jquery.min.js

7 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 93% of them (56 requests) were addressed to the original Shinnihon-gas.co.jp, 5% (3 requests) were made to Ajax.googleapis.com and 2% (1 request) were made to Job.mynavi.jp. The less responsive or slowest element that took the longest time to load (4.3 sec) belongs to the original domain Shinnihon-gas.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 294.5 kB (21%)

Content Size

1.4 MB

After Optimization

1.1 MB

In fact, the total size of Shinnihon-gas.co.jp main page is 1.4 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. 25% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 18.2 kB

  • Original 23.0 kB
  • After minification 20.1 kB
  • After compression 4.8 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. This page needs HTML code to be minified as it can gain 3.0 kB, which is 13% 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 18.2 kB or 79% of the original size.

Image Optimization

-5%

Potential reduce by 48.2 kB

  • Original 1.0 MB
  • After minification 981.8 kB

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. Shinnihon Gas images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 218.8 kB

  • Original 333.1 kB
  • After minification 330.3 kB
  • After compression 114.3 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 218.8 kB or 66% of the original size.

CSS Optimization

-76%

Potential reduce by 9.2 kB

  • Original 12.1 kB
  • After minification 10.4 kB
  • After compression 2.9 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. Shinnihon-gas.co.jp needs all CSS files to be minified and compressed as it can save up to 9.2 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (29%)

Requests Now

58

After Optimization

41

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shinnihon Gas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

shinnihon-gas.co.jp accessibility score

94

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.

Best Practices

shinnihon-gas.co.jp best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

shinnihon-gas.co.jp SEO score

77

Search Engine Optimization Advices

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 Shinnihon-gas.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 Shinnihon-gas.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 Shinnihon Gas. 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: