Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

rotas.co.jp

キャンピングカー・パーツセンター・車中泊・車内泊用品・移動販売車|ロータス・RVパーツセンター / TOPページ|

Page Load Speed

1.9 sec in total

First Response

562 ms

Resources Loaded

1.2 sec

Page Rendered

85 ms

rotas.co.jp screenshot

About Website

Click here to check amazing Rotas content for Japan. Otherwise, check out these important facts you probably never knew about rotas.co.jp

車中泊,車内泊,キャンピングカー用パーツセンター。内装品、外装品、充電器など自作用部品の販売、移動販売車など特装車両の製作は株式会社ロータスへ。

Visit rotas.co.jp

Key Findings

We analyzed Rotas.co.jp page load time and found that the first response time was 562 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

rotas.co.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value18.2 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.293

41/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

rotas.co.jp

562 ms

2.css

319 ms

fcs.js

339 ms

other.css

315 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Rotas.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (562 ms) belongs to the original domain Rotas.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.5 kB (71%)

Content Size

6.3 kB

After Optimization

1.9 kB

In fact, the total size of Rotas.co.jp main page is 6.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 3.6 kB which makes up the majority of the site volume.

HTML Optimization

-44%

Potential reduce by 512 B

  • Original 1.2 kB
  • After minification 1.2 kB
  • After compression 661 B

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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 512 B or 44% of the original size.

JavaScript Optimization

-82%

Potential reduce by 1.3 kB

  • Original 1.5 kB
  • After minification 1.1 kB
  • After compression 275 B

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 1.3 kB or 82% of the original size.

CSS Optimization

-74%

Potential reduce by 2.7 kB

  • Original 3.6 kB
  • After minification 3.0 kB
  • After compression 920 B

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. Rotas.co.jp needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 74% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rotas. According to our analytics all requests are already optimized.

Accessibility Review

rotas.co.jp accessibility score

67

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

rotas.co.jp best practices score

83

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

rotas.co.jp SEO score

92

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

    SHIFT_JIS

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