Tools & Wizards About Us
tax.co.jp screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

tax.co.jp

中古車買うなら実店舗のある中古車検索サイト TAX

Page Load Speed

12 sec in total

First Response

2 sec

Resources Loaded

8.8 sec

Page Rendered

1.2 sec

tax.co.jp screenshot

About Website

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

車種別の中古車検索や地域の中古車販売店探しなどの中古車購入をお考えなら、実店舗のある中古車検索サイトTAX（タックス）へ！中古車購入者の満足感が違います！ 個性のある中古車ディーラーが顧客志向のTAX理念に共感して集まった中古車ディーラーグループだから。

Visit tax.co.jp

Key Findings

We analyzed Tax.co.jp page load time and found that the first response time was 2 sec and then it took 10 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

tax.co.jp performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value500 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.135

80/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

tax.co.jp

1978 ms

index.css

318 ms

jquery-1.10.1.min.js

21 ms

script.js

317 ms

heightLine.js

317 ms

Our browser made a total of 145 requests to load all elements on the main page. We found that 74% of them (107 requests) were addressed to the original Tax.co.jp, 8% (11 requests) were made to Platform.twitter.com and 6% (8 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Tax.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 432.6 kB (5%)

Content Size

9.3 MB

After Optimization

8.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tax.co.jp main page is 9.3 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. 70% of websites need less resources to load. Images take 9.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 77.0 kB

  • Original 92.2 kB
  • After minification 62.1 kB
  • After compression 15.2 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 30.1 kB, which is 33% 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 77.0 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 242.0 kB

  • Original 9.0 MB
  • After minification 8.8 MB

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. TAX images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 93.1 kB

  • Original 145.9 kB
  • After minification 120.0 kB
  • After compression 52.9 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 93.1 kB or 64% of the original size.

CSS Optimization

-79%

Potential reduce by 20.6 kB

  • Original 26.2 kB
  • After minification 22.3 kB
  • After compression 5.6 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. Tax.co.jp needs all CSS files to be minified and compressed as it can save up to 20.6 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (31%)

Requests Now

143

After Optimization

99

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TAX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tax.co.jp

tax.co.jp

1978 ms

index.css

index.css

318 ms

jquery-1.10.1.min.js

jquery-1.10.1.min.js

21 ms

script.js

script.js

317 ms

heightLine.js

heightLine.js

317 ms

accordion.js

accordion.js

327 ms

slick.js

slick.js

662 ms

car_master_js_utf8.php

car_master_js_utf8.php

797 ms

search_1.js

search_1.js

645 ms

slick.css

slick.css

633 ms

js

js

56 ms

js

js

107 ms

base_module.css

base_module.css

331 ms

left_navi.css

left_navi.css

338 ms

widgets.js

widgets.js

87 ms

common.css

common.css

321 ms

gtm.js

gtm.js

74 ms

tag.js

tag.js

73 ms

thumb1_UJ0045055663_001L.JPG

thumb1_UJ0045055663_001L.JPG

895 ms

436333748_401570712718717_8476406912394523357_n.webp

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2255 ms

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893 ms

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1054 ms

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1369 ms

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1374 ms

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1371 ms

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1492 ms

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1494 ms

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1528 ms

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1836 ms

1847.jpg

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2165 ms

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2350 ms

top.jpg

top.jpg

2468 ms

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2192 ms

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2196 ms

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2476 ms

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2650 ms

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2672 ms

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3151 ms

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3301 ms

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2982 ms

411917611_694129679522860_2263637062541214605_n.webp

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3190 ms

bg_top.png

bg_top.png

983 ms

bg_header.gif

bg_header.gif

383 ms

lbg01.gif

lbg01.gif

384 ms

bg_btm.png

bg_btm.png

1829 ms

bg.png

bg.png

384 ms

cowcow202003.png

cowcow202003.png

503 ms

logo.gif

logo.gif

982 ms

gnavi01_off.png

gnavi01_off.png

1049 ms

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1043 ms

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1209 ms

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1525 ms

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1526 ms

rakusuru.jpg

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1682 ms

bannerDAMD.jpg

bannerDAMD.jpg

2590 ms

cowcow.jpg

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1957 ms

h2_tit01.gif

h2_tit01.gif

2110 ms

box01_tit01.png

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1990 ms

box01_tit02.png

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2150 ms

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2319 ms

box03_btn01.png

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2346 ms

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2351 ms

h2_tit02.gif

h2_tit02.gif

2498 ms

h2_tit03.gif

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2510 ms

box03_bnr01.jpg

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2638 ms

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2816 ms

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2841 ms

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2802 ms

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3005 ms

h2_tit04.gif

h2_tit04.gif

2920 ms

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3130 ms

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box04_tit02.png

3129 ms

h2_tit05.gif

h2_tit05.gif

3130 ms

box05_tit01.png

box05_tit01.png

3147 ms

box05_tit02.png

box05_tit02.png

3238 ms

top.jpg

top.jpg

3322 ms

top.jpg

top.jpg

3703 ms

gtm.js

gtm.js

110 ms

js

js

146 ms

analytics.js

analytics.js

139 ms

js

js

113 ms

analytics.js

analytics.js

124 ms

ytag.js

ytag.js

819 ms

collect

collect

203 ms

collect

collect

201 ms

collect

collect

209 ms

js

js

69 ms

collect

collect

173 ms

slick.woff

slick.woff

3082 ms

top.jpg

top.jpg

3421 ms

top.jpg

top.jpg

3375 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

57 ms

js

js

68 ms

collect

collect

14 ms

ga-audiences

ga-audiences

33 ms

h2_tit06.gif

h2_tit06.gif

3068 ms

ga-audiences

ga-audiences

25 ms

settings

settings

222 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

21 ms

TAXhonbu

TAXhonbu

979 ms

box06_img02.jpg

box06_img02.jpg

2669 ms

tit01.png

tit01.png

2797 ms

tit02.png

tit02.png

2847 ms

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box02_img01.png

2927 ms

box02_btn01.png

box02_btn01.png

2883 ms

tit03.png

tit03.png

2568 ms

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tit04.png

2568 ms

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tit05.png

2436 ms

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polyfills-3b821eda8863adcc4a4b.js

22 ms

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runtime-a697c5a1ae32bd7e4d42.js

42 ms

modules.20f98d7498a59035a762.js

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74 ms

main-fd9ef5eb169057cda26d.js

main-fd9ef5eb169057cda26d.js

64 ms

_app-88bf420a57d49e33be53.js

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76 ms

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

85 ms

_buildManifest.js

_buildManifest.js

89 ms

_ssgManifest.js

_ssgManifest.js

88 ms

tit06.png

tit06.png

2387 ms

box06_img02.jpg

box06_img02.jpg

2351 ms

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2417 ms

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box06_img04.jpg

2300 ms

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box06_img05.jpg

2263 ms

bnr03.png

bnr03.png

2272 ms

Instagram_Glyph_Gradient.png

Instagram_Glyph_Gradient.png

3541 ms

Instagram_logo.svg.png

Instagram_logo.svg.png

2435 ms

pgTop.png

pgTop.png

2213 ms

logo-black.png

logo-black.png

2692 ms

inst.png

inst.png

2627 ms

tit_foot01.gif

tit_foot01.gif

2274 ms

tit_foot02.gif

tit_foot02.gif

2212 ms

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tit_foot03.gif

2298 ms

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tit_foot04.gif

2406 ms

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2412 ms

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2413 ms

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2387 ms

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2392 ms

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2441 ms

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prev.png

2489 ms

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2510 ms

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ajax-loader.gif

2519 ms

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lbg.png

2377 ms

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2329 ms

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2321 ms

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2310 ms

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open.png

2395 ms

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2384 ms

Accessibility Review

tax.co.jp accessibility score

65

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

tax.co.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tax.co.jp SEO score

93

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tax.co.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 Tax.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

tax.co.jp

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