Tools & Wizards About Us
jidoushazei.info screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

jidoushazei.info

自動車税info

Page Load Speed

3.4 sec in total

First Response

499 ms

Resources Loaded

2.7 sec

Page Rendered

254 ms

jidoushazei.info screenshot

About Website

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

自動車税など車の税金についてわかりやすく解説しています。 自動車重量税や自動車取得税に関する情報も掲載しています。

Visit jidoushazei.info

Key Findings

We analyzed Jidoushazei.info page load time and found that the first response time was 499 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

jidoushazei.info performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value15,610 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.0 s

1/100

10%

Network Requests Diagram

jidoushazei.info

499 ms

www.jidoushazei.info

530 ms

pc.css

313 ms

jquery-1.11.2.min.js

791 ms

pagetop.js

337 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 45% of them (13 requests) were addressed to the original Jidoushazei.info, 17% (5 requests) were made to Pagead2.googlesyndication.com and 17% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (791 ms) belongs to the original domain Jidoushazei.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.7 kB (40%)

Content Size

211.9 kB

After Optimization

126.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jidoushazei.info main page is 211.9 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. 35% of websites need less resources to load. Javascripts take 169.1 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 10.2 kB

  • Original 15.4 kB
  • After minification 15.4 kB
  • After compression 5.2 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. 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 10.2 kB or 66% of the original size.

Image Optimization

-4%

Potential reduce by 884 B

  • Original 20.1 kB
  • After minification 19.2 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. Jidoushazei images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 69.1 kB

  • Original 169.1 kB
  • After minification 168.9 kB
  • After compression 100.0 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 69.1 kB or 41% of the original size.

CSS Optimization

-75%

Potential reduce by 5.5 kB

  • Original 7.3 kB
  • After minification 5.9 kB
  • After compression 1.8 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. Jidoushazei.info needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (58%)

Requests Now

26

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jidoushazei. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jidoushazei.info

jidoushazei.info

499 ms

www.jidoushazei.info

www.jidoushazei.info

530 ms

pc.css

pc.css

313 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

791 ms

pagetop.js

pagetop.js

337 ms

tomenu.js

tomenu.js

337 ms

adsbygoogle.js

adsbygoogle.js

6 ms

logo_3.gif

logo_3.gif

312 ms

menu_1.gif

menu_1.gif

333 ms

link.gif

link.gif

356 ms

tomenu.gif

tomenu.gif

357 ms

pagetop.gif

pagetop.gif

357 ms

ca-pub-2823867441009651.js

ca-pub-2823867441009651.js

126 ms

zrt_lookup.html

zrt_lookup.html

137 ms

show_ads_impl.js

show_ads_impl.js

75 ms

ads

ads

254 ms

dcw.cgi

dcw.cgi

531 ms

osd.js

osd.js

18 ms

ads

ads

267 ms

m_js_controller.js

m_js_controller.js

49 ms

abg.js

abg.js

65 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

78 ms

5520463552168151436

5520463552168151436

25 ms

favicon

favicon

94 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

47 ms

s

s

32 ms

x_button_blue2.png

x_button_blue2.png

8 ms

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

4 ms

mobile.css

mobile.css

158 ms

Accessibility Review

jidoushazei.info accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Best Practices

jidoushazei.info 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

High

Browser errors were logged to the console

SEO Factors

jidoushazei.info SEO score

83

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

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 Jidoushazei.info 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 Jidoushazei.info 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

jidoushazei.info

Open Graph description is not detected on the main page of Jidoushazei. 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: