Tools & Wizards About Us
tax.co.jp screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% 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

16 sec in total

First Response

1.9 sec

Resources Loaded

13.1 sec

Page Rendered

980 ms

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 1.9 sec and then it took 14.1 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

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.227

55/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

www.tax.co.jp

1892 ms

index.css

446 ms

jquery-1.10.1.min.js

12 ms

script.js

400 ms

heightLine.js

448 ms

Our browser made a total of 131 requests to load all elements on the main page. We found that 94% of them (123 requests) were addressed to the original Tax.co.jp, 3% (4 requests) were made to Google-analytics.com and 2% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (9.9 sec) belongs to the original domain Tax.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.2 kB (4%)

Content Size

5.4 MB

After Optimization

5.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tax.co.jp main page is 5.4 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. 35% of websites need less resources to load. Images take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 69.8 kB

  • Original 83.7 kB
  • After minification 61.7 kB
  • After compression 13.9 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 22.1 kB, which is 26% 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 69.8 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 38.7 kB

  • Original 5.1 MB
  • After minification 5.1 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

-74%

Potential reduce by 93.0 kB

  • Original 124.9 kB
  • After minification 99.0 kB
  • After compression 31.9 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 93.0 kB or 74% of the original size.

CSS Optimization

-79%

Potential reduce by 20.7 kB

  • Original 26.2 kB
  • After minification 22.2 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 20.7 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (17%)

Requests Now

127

After Optimization

106

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 127 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 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.tax.co.jp

www.tax.co.jp

1892 ms

index.css

index.css

446 ms

jquery-1.10.1.min.js

jquery-1.10.1.min.js

12 ms

script.js

script.js

400 ms

heightLine.js

heightLine.js

448 ms

accordion.js

accordion.js

426 ms

slick.js

slick.js

868 ms

car_master_js_utf8.php

car_master_js_utf8.php

842 ms

search_1.js

search_1.js

807 ms

slick.css

slick.css

841 ms

base_module.css

base_module.css

404 ms

left_navi.css

left_navi.css

581 ms

common.css

common.css

401 ms

analytics.js

analytics.js

113 ms

bg_top.png

bg_top.png

1131 ms

bg_header.gif

bg_header.gif

386 ms

lbg01.gif

lbg01.gif

387 ms

bg_btm.png

bg_btm.png

9929 ms

bg.png

bg.png

387 ms

logo.gif

logo.gif

414 ms

bg_serch.png

bg_serch.png

747 ms

box03_btn01.png

box03_btn01.png

757 ms

gnavi01_off.png

gnavi01_off.png

751 ms

gnavi02_off.png

gnavi02_off.png

822 ms

gnavi03_off.png

gnavi03_off.png

1133 ms

gnavi04_off.png

gnavi04_off.png

1129 ms

gnavi05_off.png

gnavi05_off.png

1134 ms

soryokusai_b.jpg

soryokusai_b.jpg

1612 ms

h2_tit01.gif

h2_tit01.gif

1515 ms

box01_tit01.png

box01_tit01.png

1493 ms

box01_tit02.png

box01_tit02.png

1494 ms

box01_tit03.png

box01_tit03.png

1547 ms

box01_btn_serch.png

box01_btn_serch.png

1854 ms

h2_tit02.gif

h2_tit02.gif

1883 ms

thumb1_U00017083247_002L.JPG

thumb1_U00017083247_002L.JPG

1940 ms

thumb1_stk_525875_1.jpg

thumb1_stk_525875_1.jpg

1970 ms

thumb1_U00017530633_001L.JPG

thumb1_U00017530633_001L.JPG

2028 ms

thumb1_70004000743015072400500.jpg

thumb1_70004000743015072400500.jpg

2250 ms

thumb1_U00017405104_004L.JPG

thumb1_U00017405104_004L.JPG

2275 ms

thumb1_70007002853015100700100.jpg

thumb1_70007002853015100700100.jpg

2359 ms

thumb1_U00016230495_005L.JPG

thumb1_U00016230495_005L.JPG

2443 ms

thumb1_stk_517117_1.jpg

thumb1_stk_517117_1.jpg

2461 ms

thumb1_U00015573871_001L.JPG

thumb1_U00015573871_001L.JPG

2658 ms

thumb1_UZ0017251338_001L.JPG

thumb1_UZ0017251338_001L.JPG

2704 ms

h2_tit03.gif

h2_tit03.gif

2779 ms

box03_bnr01.jpg

box03_bnr01.jpg

2869 ms

box03_bnr02.jpg

box03_bnr02.jpg

3022 ms

box03_bnr03.jpg

box03_bnr03.jpg

3424 ms

box03_bnr04.jpg

box03_bnr04.jpg

3140 ms

box03_bnr05.jpg

box03_bnr05.jpg

3354 ms

collect

collect

137 ms

collect

collect

131 ms

collect

collect

131 ms

collect

collect

71 ms

collect

collect

88 ms

slick.woff

slick.woff

2902 ms

h2_tit04.gif

h2_tit04.gif

3056 ms

box04_tit01.png

box04_tit01.png

3589 ms

855.jpg

855.jpg

3750 ms

ga-audiences

ga-audiences

47 ms

854.jpg

854.jpg

3379 ms

box04_tit02.png

box04_tit02.png

2965 ms

top.jpg

top.jpg

3346 ms

top.jpg

top.jpg

3710 ms

h2_tit05.gif

h2_tit05.gif

3259 ms

box05_tit01.png

box05_tit01.png

3378 ms

box05_tit02.png

box05_tit02.png

3388 ms

top.jpg

top.jpg

3772 ms

top.jpg

top.jpg

3731 ms

top.jpg

top.jpg

3626 ms

top.jpg

top.jpg

3631 ms

h2_tit06.gif

h2_tit06.gif

3415 ms

box06_img01.jpg

box06_img01.jpg

3712 ms

box06_img02.jpg

box06_img02.jpg

3496 ms

box06_img03.jpg

box06_img03.jpg

3619 ms

box06_img04.jpg

box06_img04.jpg

3613 ms

box06_img05.jpg

box06_img05.jpg

3616 ms

tit01.png

tit01.png

3670 ms

tit02.png

tit02.png

3472 ms

box02_img01.png

box02_img01.png

3636 ms

box02_btn01.png

box02_btn01.png

3587 ms

tit03.png

tit03.png

3548 ms

tit04.png

tit04.png

3601 ms

tit05.png

tit05.png

3442 ms

thumb_U00016213264_002L.JPG

thumb_U00016213264_002L.JPG

3599 ms

thumb_04201000011000014696_01.jpg

thumb_04201000011000014696_01.jpg

3542 ms

thumb_U00016719326_001L.JPG

thumb_U00016719326_001L.JPG

3494 ms

thumb_70009001953016030900200.jpg

thumb_70009001953016030900200.jpg

3413 ms

thumb_U00017506769_001L.JPG

thumb_U00017506769_001L.JPG

3387 ms

tit06.png

tit06.png

3354 ms

box06_img01.jpg

box06_img01.jpg

3286 ms

box06_img02.jpg

box06_img02.jpg

3370 ms

box06_img03.jpg

box06_img03.jpg

3436 ms

box06_img04.jpg

box06_img04.jpg

3246 ms

box06_img05.jpg

box06_img05.jpg

3100 ms

bnr01.png

bnr01.png

3219 ms

bnr02.png

bnr02.png

3084 ms

bnr03.png

bnr03.png

3293 ms

bnr04.png

bnr04.png

2988 ms

list_img01.png

list_img01.png

2990 ms

list_img02.png

list_img02.png

3096 ms

list_img03.png

list_img03.png

3178 ms

list_img04.png

list_img04.png

3004 ms

box07_tit.png

box07_tit.png

2925 ms

box07_area_kanto.png.png

box07_area_kanto.png.png

2782 ms

box07_area_kinki.png

box07_area_kinki.png

2852 ms

box07_area_fukuoka.png

box07_area_fukuoka.png

2891 ms

box07_area_nagasaki.png

box07_area_nagasaki.png

2955 ms

box07_area_ooita.png

box07_area_ooita.png

2949 ms

pgTop.png

pgTop.png

2782 ms

icom_fb.gif

icom_fb.gif

2842 ms

icom_twt.gif

icom_twt.gif

2874 ms

tit_foot01.gif

tit_foot01.gif

2925 ms

tit_foot02.gif

tit_foot02.gif

2953 ms

tit_foot03.gif

tit_foot03.gif

2764 ms

tit_foot04.gif

tit_foot04.gif

2842 ms

tit_foot05.gif

tit_foot05.gif

2897 ms

box01_bg01.png

box01_bg01.png

2936 ms

lbg02.png

lbg02.png

2969 ms

box01_bgcar.png

box01_bgcar.png

2800 ms

box01_serch.png

box01_serch.png

2869 ms

prev.png

prev.png

2904 ms

next.png

next.png

2917 ms

ajax-loader.gif

ajax-loader.gif

2940 ms

lbg.png

lbg.png

2815 ms

box06_lbg.png

box06_lbg.png

2825 ms

bg_lnavi.png

bg_lnavi.png

2885 ms

close.png

close.png

2840 ms

open.png

open.png

2873 ms

box05_tit_bg01.png

box05_tit_bg01.png

2804 ms

other_window.png

other_window.png

2740 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

86

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: