Report Summary

  • 93

    Performance

    Renders faster than
    93% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

jaai.or.jp

一般財団法人 日本自動車査定協会 トップページ

Page Load Speed

5.9 sec in total

First Response

1.4 sec

Resources Loaded

4.2 sec

Page Rendered

203 ms

jaai.or.jp screenshot

About Website

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

ここにサイト説明を入れます

Visit jaai.or.jp

Key Findings

We analyzed Jaai.or.jp page load time and found that the first response time was 1.4 sec and then it took 4.4 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

jaai.or.jp performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

79/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

jaai.or.jp

1433 ms

swfobject_modified.js

331 ms

acctag.js

498 ms

title.js

1107 ms

title.js

928 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 95% of them (58 requests) were addressed to the original Jaai.or.jp, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Jaai.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.5 kB (16%)

Content Size

793.3 kB

After Optimization

664.8 kB

In fact, the total size of Jaai.or.jp main page is 793.3 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 730.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 33.8 kB

  • Original 42.0 kB
  • After minification 38.8 kB
  • After compression 8.1 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 33.8 kB or 81% of the original size.

Image Optimization

-13%

Potential reduce by 92.9 kB

  • Original 730.4 kB
  • After minification 637.5 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. Obviously, Jaai needs image optimization as it can save up to 92.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-9%

Potential reduce by 1.8 kB

  • Original 20.9 kB
  • After minification 20.4 kB
  • After compression 19.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 7 (12%)

Requests Now

59

After Optimization

52

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jaai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

jaai.or.jp accessibility score

60

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

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

jaai.or.jp best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

jaai.or.jp SEO score

58

Search Engine Optimization Advices

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

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 Jaai.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 Jaai.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 Jaai. 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: