Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

sato-kogyo.co.jp

ホーム | 佐藤工業株式会社

Page Load Speed

4.9 sec in total

First Response

1 sec

Resources Loaded

3.7 sec

Page Rendered

146 ms

sato-kogyo.co.jp screenshot

About Website

Welcome to sato-kogyo.co.jp homepage info - get ready to check Sato Kogyo best content right away, or after learning these important things about sato-kogyo.co.jp

佐藤工業は、福島県福島市と中心とした総合建設会社です。「人と自然に、地域社会と共に。」をスローガンとし、人々の暮らしの基盤づくりに、佐藤工業ならではの技術とソリューションを活かし貢献しております。

Visit sato-kogyo.co.jp

Key Findings

We analyzed Sato-kogyo.co.jp page load time and found that the first response time was 1 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sato-kogyo.co.jp performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

sato-kogyo.co.jp

1012 ms

AC_RunActiveContent.js

535 ms

top.png

687 ms

menu01.jpg

345 ms

menu02.jpg

516 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Sato-kogyo.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Sato-kogyo.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 34.8 kB (13%)

Content Size

265.7 kB

After Optimization

230.9 kB

In fact, the total size of Sato-kogyo.co.jp main page is 265.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 241.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 12.3 kB

  • Original 16.0 kB
  • After minification 15.1 kB
  • After compression 3.7 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 12.3 kB or 77% of the original size.

Image Optimization

-7%

Potential reduce by 16.0 kB

  • Original 241.6 kB
  • After minification 225.6 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. Sato Kogyo images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 6.4 kB

  • Original 8.0 kB
  • After minification 5.2 kB
  • After compression 1.6 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 6.4 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sato Kogyo. According to our analytics all requests are already optimized.

Accessibility Review

sato-kogyo.co.jp accessibility score

54

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

sato-kogyo.co.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

sato-kogyo.co.jp SEO score

58

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sato-kogyo.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 Sato-kogyo.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 Sato Kogyo. 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: