Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

cartown.jp

中古車検索サイト!カータウン.jp 全国の中古車情報が満載!

Page Load Speed

6.5 sec in total

First Response

1.4 sec

Resources Loaded

4.9 sec

Page Rendered

216 ms

cartown.jp screenshot

About Website

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

【中古車検索サイト】カータウン.jp!全国最新の中古車情報が満載!あの人気車から高級車まで全ての情報がここに集約!メーカーや地域、タイプ、価格などから検索して、納得の中古車を見つけてください!

Visit cartown.jp

Key Findings

We analyzed Cartown.jp page load time and found that the first response time was 1.4 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

cartown.jp performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.339

33/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

cartown.jp

1401 ms

common.css

340 ms

jquery-1.7.2.min.js

928 ms

index.css

539 ms

index_prefecture.js

365 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 96% of them (104 requests) were addressed to the original Cartown.jp, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Text.j-a-net.jp. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Cartown.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 377.8 kB (38%)

Content Size

989.0 kB

After Optimization

611.2 kB

In fact, the total size of Cartown.jp main page is 989.0 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 529.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 60.3 kB

  • Original 74.1 kB
  • After minification 64.8 kB
  • After compression 13.7 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 9.3 kB, which is 13% 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 60.3 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 31.4 kB

  • Original 529.1 kB
  • After minification 497.7 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. Cartown images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 180.5 kB

  • Original 260.5 kB
  • After minification 247.9 kB
  • After compression 80.0 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 180.5 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 105.6 kB

  • Original 125.4 kB
  • After minification 102.7 kB
  • After compression 19.9 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. Cartown.jp needs all CSS files to be minified and compressed as it can save up to 105.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (45%)

Requests Now

106

After Optimization

58

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cartown. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cartown.jp accessibility score

54

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cartown.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cartown.jp SEO score

80

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

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cartown.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 Cartown.jp main page’s claimed encoding is euc-jp. 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 Cartown. 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: