Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

sinz.co.jp

シンズ | ペイントプロテクションフィルム施工 愛車を紫外線、汚れ、飛び石や風雨から守る!SINZは高い技術とノウハウで全車種に対応します。

Page Load Speed

7.2 sec in total

First Response

757 ms

Resources Loaded

5.6 sec

Page Rendered

817 ms

sinz.co.jp screenshot

About Website

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

愛車の塗装面を守る「ペイントプロテクションフィルム」 二重構造によりバンパーやボンネット、ナンバープレートなどへの飛び石や虫などによるキズや汚れを防ぎます。他、クリアセーバー、マットクリアフィルムの施工も承っております。|シンズ株式会社

Visit sinz.co.jp

Key Findings

We analyzed Sinz.co.jp page load time and found that the first response time was 757 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

sinz.co.jp performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value19.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,200 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value24.4 s

0/100

10%

Network Requests Diagram

sinz.co.jp

757 ms

styles.css

344 ms

styles_sub.css

361 ms

fadeshow.css

401 ms

colorbox.css

594 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 77% of them (27 requests) were addressed to the original Sinz.co.jp, 11% (4 requests) were made to Sinz.jp and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Sinz.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.0 kB (8%)

Content Size

1.3 MB

After Optimization

1.1 MB

In fact, the total size of Sinz.co.jp main page is 1.3 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. 20% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 8.8 kB

  • Original 12.9 kB
  • After minification 12.4 kB
  • After compression 4.1 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. 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 8.8 kB or 68% of the original size.

Image Optimization

-3%

Potential reduce by 31.2 kB

  • Original 1.1 MB
  • After minification 1.1 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. Sinz images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 44.5 kB

  • Original 70.8 kB
  • After minification 49.1 kB
  • After compression 26.3 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 44.5 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 18.5 kB

  • Original 22.8 kB
  • After minification 17.3 kB
  • After compression 4.3 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. Sinz.co.jp needs all CSS files to be minified and compressed as it can save up to 18.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (30%)

Requests Now

33

After Optimization

23

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sinz. 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.

Accessibility Review

sinz.co.jp accessibility score

85

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

sinz.co.jp best practices score

58

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sinz.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

    N/A

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sinz.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sinz.co.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 Sinz. 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: