Tools & Wizards About Us
buy-car.jp screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

buy-car.jp

922店舗から中古車を探せるバイカージャパン - 中古車情報検索

Page Load Speed

12.3 sec in total

First Response

544 ms

Resources Loaded

11.5 sec

Page Rendered

259 ms

buy-car.jp screenshot

About Website

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

豊富な情報 (最大55枚の写真)・簡単・早い中古車検索・中古車情報の総合サイト【バイ・カー・ジャパン】なら欲しい車が必ず見つかる！様々な条件で検索可能、さらに車買取機能で大手中古車買取業者へ車査定依頼ができる。もちろん24時間受付＆全国対応！

Visit buy-car.jp

Key Findings

We analyzed Buy-car.jp page load time and found that the first response time was 544 ms and then it took 11.7 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

buy-car.jp performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

buy-car.jp

544 ms

www.buy-car.jp

1226 ms

fordesign.css

385 ms

topMenu.css

538 ms

bookmarks.css

586 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 88% of them (84 requests) were addressed to the original Buy-car.jp, 6% (6 requests) were made to Apis.google.com and 2% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (6.6 sec) belongs to the original domain Buy-car.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 424.8 kB (45%)

Content Size

935.9 kB

After Optimization

511.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Buy-car.jp main page is 935.9 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. 45% of websites need less resources to load. Images take 438.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 150.1 kB

  • Original 175.9 kB
  • After minification 144.8 kB
  • After compression 25.7 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 31.1 kB, which is 18% 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 150.1 kB or 85% of the original size.

Image Optimization

-56%

Potential reduce by 244.3 kB

  • Original 438.1 kB
  • After minification 193.8 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, Buy Car needs image optimization as it can save up to 244.3 kB or 56% 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 25.6 kB

  • Original 287.0 kB
  • After minification 279.9 kB
  • After compression 261.4 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.

CSS Optimization

-14%

Potential reduce by 4.8 kB

  • Original 34.9 kB
  • After minification 34.9 kB
  • After compression 30.1 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. Buy-car.jp needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (60%)

Requests Now

91

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buy Car. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

buy-car.jp

buy-car.jp

544 ms

www.buy-car.jp

www.buy-car.jp

1226 ms

fordesign.css

fordesign.css

385 ms

topMenu.css

topMenu.css

538 ms

bookmarks.css

bookmarks.css

586 ms

country_selector.css

country_selector.css

628 ms

mainpage.css

mainpage.css

671 ms

multi_selector.css

multi_selector.css

713 ms

pref_selector.css

pref_selector.css

595 ms

special_cars.css

special_cars.css

750 ms

newcars.css

newcars.css

802 ms

information.css

information.css

806 ms

jquery-1.4.4.min.js

jquery-1.4.4.min.js

1062 ms

json.js

json.js

890 ms

jquery.autocomplete.js

jquery.autocomplete.js

974 ms

jquery.cookie.js

jquery.cookie.js

1012 ms

selection_v1.1.js

selection_v1.1.js

1060 ms

carsList_v1.0.js

carsList_v1.0.js

1015 ms

common.js

common.js

1104 ms

multipleSubmit_v1.3.js

multipleSubmit_v1.3.js

1193 ms

carDescription_v1.0.js

carDescription_v1.0.js

1228 ms

engine.js

engine.js

1566 ms

CounterService.js

CounterService.js

1415 ms

jquery.bookmark.js

jquery.bookmark.js

1327 ms

statistic.js

statistic.js

1370 ms

jquery.corner.js

jquery.corner.js

1414 ms

jquery.tinysort.min.js

jquery.tinysort.min.js

1452 ms

DD_roundies.uicornerfix.js

DD_roundies.uicornerfix.js

1541 ms

jquery-ui-1.8.2.custom.min.js

jquery-ui-1.8.2.custom.min.js

1925 ms

jquery-ui-1.8.2.custom.css

jquery-ui-1.8.2.custom.css

1710 ms

gui.js

gui.js

1667 ms

checkboxList.js

checkboxList.js

1748 ms

search.js

search.js

1812 ms

jquery.bgiframe.min.js

jquery.bgiframe.min.js

1780 ms

__System.pageLoaded.dwr

__System.pageLoaded.dwr

5707 ms

special.css

special.css

320 ms

bookmarks.png

bookmarks.png

5344 ms

spacer.gif

spacer.gif

5344 ms

photo.do

photo.do

5344 ms

photo.do

photo.do

5344 ms

photo.do

photo.do

5344 ms

photo.do

photo.do

5553 ms

photo.do

photo.do

5788 ms

valid-xhtml10.png

valid-xhtml10.png

5554 ms

vcss.gif

vcss.gif

5740 ms

menu-bg.png

menu-bg.png

5646 ms

top_bg2.png

top_bg2.png

5688 ms

navL.png

navL.png

5759 ms

navR.png

navR.png

5789 ms

bgnavL.png

bgnavL.png

5868 ms

bgnavR.png

bgnavR.png

5922 ms

bookmarks_button.png

bookmarks_button.png

5946 ms

plusone.js

plusone.js

5335 ms

car_typ_bg.png

car_typ_bg.png

5951 ms

special_cars_block.png

special_cars_block.png

6506 ms

flag_bg_selected.png

flag_bg_selected.png

6036 ms

flags_sprite.png

flags_sprite.png

6081 ms

bg_gray.png

bg_gray.png

6126 ms

manufacturers_sprite.gif

manufacturers_sprite.gif

6422 ms

wild_tab.png

wild_tab.png

6164 ms

tab.png

tab.png

6257 ms

ms_bg_lightgray.png

ms_bg_lightgray.png

6360 ms

bodies_sprite.png

bodies_sprite.png

6592 ms

prefectures_map_hovered.png

prefectures_map_hovered.png

1078 ms

prefectures_map.png

prefectures_map.png

1170 ms

repeatXBackgrounds.png

repeatXBackgrounds.png

1247 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

8 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

35 ms

fastbutton

fastbutton

31 ms

searchResultButtons.png

searchResultButtons.png

2100 ms

searchFormDelimiter.png

searchFormDelimiter.png

1311 ms

searchCBLeftImage.png

searchCBLeftImage.png

1352 ms

bull.gif

bull.gif

1389 ms

buts2.png

buts2.png

1437 ms

buts.png

buts.png

1481 ms

searchButtonChangeIndex.gif

searchButtonChangeIndex.gif

1503 ms

postmessageRelay

postmessageRelay

89 ms

title.png

title.png

1531 ms

bg.png

bg.png

1568 ms

arrows.png

arrows.png

1614 ms

photo.do

photo.do

1645 ms

photo.do

photo.do

1776 ms

ga.js

ga.js

42 ms

developers.google.com

developers.google.com

388 ms

3604799710-postmessagerelay.js

3604799710-postmessagerelay.js

26 ms

rpc:shindig_random.js

rpc:shindig_random.js

19 ms

__utm.gif

__utm.gif

13 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

photo.do

photo.do

1706 ms

photo.do

photo.do

1740 ms

trademark.png

trademark.png

2123 ms

r-side-rank-title.png

r-side-rank-title.png

1612 ms

crownz.png

crownz.png

1695 ms

central_bg.png

central_bg.png

1716 ms

ui-icons_72a7cf_256x240.png

ui-icons_72a7cf_256x240.png

1731 ms

Accessibility Review

buy-car.jp accessibility score

93

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

Links do not have a discernible name

Best Practices

buy-car.jp best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

buy-car.jp SEO score

99

Search Engine Optimization Advices

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Buy-car.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 Buy-car.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

buy-car.jp

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