Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

sanwacompany.co.jp

javascript無効エラー|サンワカンパニー

Page Load Speed

12.4 sec in total

First Response

520 ms

Resources Loaded

9.5 sec

Page Rendered

2.4 sec

sanwacompany.co.jp screenshot

About Website

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

サンワカンパニーは、タイル、ウッドデッキなどの輸入建材を販売しています。キッチンや水廻りのリフォームをお考えの方や、フローリングや収納棚でお部屋の雰囲気を変えたい方に最適な商品を豊富にお取り扱いしております。

Visit sanwacompany.co.jp

Key Findings

We analyzed Sanwacompany.co.jp page load time and found that the first response time was 520 ms and then it took 11.9 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

sanwacompany.co.jp performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value36.2 s

0/100

25%

SI (Speed Index)

Value39.0 s

0/100

10%

TBT (Total Blocking Time)

Value57,660 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.413

24/100

15%

TTI (Time to Interactive)

Value86.4 s

0/100

10%

Network Requests Diagram

sanwacompany.co.jp

520 ms

default.aspx

1000 ms

style.css

316 ms

jquery-1.8.2.min.js

1099 ms

jquery.sliderkit.1.9.2.pack.js

677 ms

Our browser made a total of 156 requests to load all elements on the main page. We found that 76% of them (119 requests) were addressed to the original Sanwacompany.co.jp, 13% (21 requests) were made to Sub.sanwacompany.co.jp and 3% (4 requests) were made to Navicast.jp. The less responsive or slowest element that took the longest time to load (6.1 sec) relates to the external source Sub.sanwacompany.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (27%)

Content Size

4.3 MB

After Optimization

3.2 MB

In fact, the total size of Sanwacompany.co.jp main page is 4.3 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. 60% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 64.6 kB

  • Original 78.3 kB
  • After minification 73.0 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. 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 64.6 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 186.9 kB

  • Original 3.1 MB
  • After minification 2.9 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. Sanwacompany images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 475.1 kB

  • Original 640.9 kB
  • After minification 539.9 kB
  • After compression 165.8 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 475.1 kB or 74% of the original size.

CSS Optimization

-87%

Potential reduce by 429.2 kB

  • Original 496.0 kB
  • After minification 344.9 kB
  • After compression 66.8 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. Sanwacompany.co.jp needs all CSS files to be minified and compressed as it can save up to 429.2 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 91 (59%)

Requests Now

154

After Optimization

63

The browser has sent 154 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sanwacompany. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sanwacompany.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

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

sanwacompany.co.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

High

Browser errors were logged to the console

SEO Factors

sanwacompany.co.jp SEO score

70

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

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

High

Document doesn't have a valid hreflang

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

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 Sanwacompany.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 Sanwacompany.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 Sanwacompany. 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: