Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

cartop.co.jp

岡山の車買取・車査定・中古車探しならカートップ

Page Load Speed

9.7 sec in total

First Response

556 ms

Resources Loaded

7.6 sec

Page Rendered

1.5 sec

cartop.co.jp screenshot

About Website

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

岡山の車買取・車査定・中古車探しするならカートップへ!カートップの中古車買取は車に注いだこだわり・愛情・思い出を車買取価格にプラスしてどこよりも高く買い取り致します!

Visit cartop.co.jp

Key Findings

We analyzed Cartop.co.jp page load time and found that the first response time was 556 ms and then it took 9.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cartop.co.jp performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value1,770 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.526

14/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

Network Requests Diagram

cartop.co.jp

556 ms

cartop.co.jp

2595 ms

jquery-ui.css

98 ms

font-awesome.min.css

63 ms

slick.css

491 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 66% of them (70 requests) were addressed to the original Cartop.co.jp, 10% (11 requests) were made to Cdnjs.cloudflare.com and 5% (5 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Cartop.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 682.4 kB (7%)

Content Size

9.6 MB

After Optimization

8.9 MB

In fact, the total size of Cartop.co.jp main page is 9.6 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. 50% of websites need less resources to load. Images take 8.8 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 249.5 kB

  • Original 282.6 kB
  • After minification 229.8 kB
  • After compression 33.1 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 52.8 kB, which is 19% 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 249.5 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 194.7 kB

  • Original 8.8 MB
  • After minification 8.6 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. Cartop images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 57.5 kB

  • Original 294.2 kB
  • After minification 280.3 kB
  • After compression 236.7 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 57.5 kB or 20% of the original size.

CSS Optimization

-86%

Potential reduce by 180.8 kB

  • Original 210.3 kB
  • After minification 156.4 kB
  • After compression 29.5 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. Cartop.co.jp needs all CSS files to be minified and compressed as it can save up to 180.8 kB or 86% of the original size.

Requests Breakdown

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

Requests Now

99

After Optimization

54

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cartop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cartop.co.jp accessibility score

91

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

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

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

cartop.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cartop.co.jp SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Cartop.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 Cartop.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

Open Graph data is detected on the main page of Cartop. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: