Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

jiban-anshin.or.jp

一般社団法人 地盤安心住宅整備支援機構

Page Load Speed

5.5 sec in total

First Response

527 ms

Resources Loaded

4.8 sec

Page Rendered

225 ms

jiban-anshin.or.jp screenshot

About Website

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

地盤安心住宅整備支援機構は、地盤の調査・解析、及び地盤改良工事における技術向上及び普及に関する活動を行い、住宅建築における安全の確保に寄与することを目的とした社団法人です。

Visit jiban-anshin.or.jp

Key Findings

We analyzed Jiban-anshin.or.jp page load time and found that the first response time was 527 ms and then it took 5 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

jiban-anshin.or.jp performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

jiban-anshin.or.jp

527 ms

index.css

169 ms

jquery-1.4.2.min.js

4 ms

scroll.js

323 ms

swfobject.js

336 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 93% of them (42 requests) were addressed to the original Jiban-anshin.or.jp, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Jiban-anshin.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.7 kB (13%)

Content Size

861.3 kB

After Optimization

750.6 kB

In fact, the total size of Jiban-anshin.or.jp main page is 861.3 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. 30% of websites need less resources to load. Images take 768.5 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.6 kB

  • Original 13.7 kB
  • After minification 12.3 kB
  • After compression 4.1 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 9.6 kB or 70% of the original size.

Image Optimization

-6%

Potential reduce by 49.8 kB

  • Original 768.5 kB
  • After minification 718.6 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. Jiban Anshin images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 38.3 kB

  • Original 63.2 kB
  • After minification 62.9 kB
  • After compression 24.9 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 38.3 kB or 61% of the original size.

CSS Optimization

-81%

Potential reduce by 12.9 kB

  • Original 15.9 kB
  • After minification 12.5 kB
  • After compression 3.0 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. Jiban-anshin.or.jp needs all CSS files to be minified and compressed as it can save up to 12.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (7%)

Requests Now

44

After Optimization

41

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jiban Anshin. 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.

Accessibility Review

jiban-anshin.or.jp accessibility score

83

Accessibility Issues

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

Form elements do not have associated labels

Best Practices

jiban-anshin.or.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

jiban-anshin.or.jp SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jiban-anshin.or.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 Jiban-anshin.or.jp main page’s claimed encoding is shift_jis. 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 description is not detected on the main page of Jiban Anshin. 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: