Tools & Wizards About Us
sankoh-product.co.jp screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

sankoh-product.co.jp

関東でシェアNo.１！ダンパー専門メーカー株式会社三功工業所

Page Load Speed

4.1 sec in total

First Response

564 ms

Resources Loaded

3.2 sec

Page Rendered

347 ms

sankoh-product.co.jp screenshot

About Website

Welcome to sankoh-product.co.jp homepage info - get ready to check Sankoh Product best content right away, or after learning these important things about sankoh-product.co.jp

株式会社三功工業所の公式サイトです。三功工業所は［空調・防火ダンパーの専門メーカー］です。環境にやさしい「ものづくりの会社」を目指し、素材から加工し、成型、組立まで、すべて自社内で一貫生産しています。

Visit sankoh-product.co.jp

Key Findings

We analyzed Sankoh-product.co.jp page load time and found that the first response time was 564 ms and then it took 3.6 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

sankoh-product.co.jp performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value24.8 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value19.7 s

2/100

10%

Network Requests Diagram

sankoh-product.co.jp

564 ms

sankoh-product.co.jp

717 ms

bootstrap.min.css

177 ms

focus.css

349 ms

focus-responsive.css

511 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 94% of them (34 requests) were addressed to the original Sankoh-product.co.jp, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Sankoh-product.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 250.9 kB (21%)

Content Size

1.2 MB

After Optimization

943.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sankoh-product.co.jp main page is 1.2 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. 40% of websites need less resources to load. Images take 845.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 12.5 kB

  • Original 17.0 kB
  • After minification 14.9 kB
  • After compression 4.5 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 2.1 kB, which is 12% 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 12.5 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 2 B

  • Original 845.5 kB
  • After minification 845.5 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. Sankoh Product images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 134.3 kB

  • Original 204.0 kB
  • After minification 200.5 kB
  • After compression 69.7 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 134.3 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 104.1 kB

  • Original 127.4 kB
  • After minification 119.8 kB
  • After compression 23.3 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. Sankoh-product.co.jp needs all CSS files to be minified and compressed as it can save up to 104.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (29%)

Requests Now

34

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sankoh Product. 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.

Network Requests Diagram

sankoh-product.co.jp

sankoh-product.co.jp

564 ms

sankoh-product.co.jp

sankoh-product.co.jp

717 ms

bootstrap.min.css

bootstrap.min.css

177 ms

focus.css

focus.css

349 ms

focus-responsive.css

focus-responsive.css

511 ms

base.css

base.css

512 ms

jquery.bxslider.css

jquery.bxslider.css

560 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

959 ms

bootstrap.min.js

bootstrap.min.js

932 ms

focus.js

focus.js

932 ms

purl.js

purl.js

932 ms

jquery.cookie.js

jquery.cookie.js

932 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

954 ms

menu_logo.png

menu_logo.png

433 ms

top_menu_00.png

top_menu_00.png

434 ms

top_menu_07.png

top_menu_07.png

434 ms

top_menu_02.png

top_menu_02.png

436 ms

top_menu_04.png

top_menu_04.png

430 ms

nav_img_02_new.jpg

nav_img_02_new.jpg

668 ms

nav_img_01_new.jpg

nav_img_01_new.jpg

694 ms

nav_img_03_new.jpg

nav_img_03_new.jpg

654 ms

img-catalog2019.jpg

img-catalog2019.jpg

655 ms

top_menu_01.png

top_menu_01.png

655 ms

top_menu_08.png

top_menu_08.png

656 ms

top_menu_03.png

top_menu_03.png

685 ms

top_menu_09.png

top_menu_09.png

676 ms

main_image2_re.jpg

main_image2_re.jpg

1345 ms

main_image_re.jpg

main_image_re.jpg

1369 ms

main_image3_re.jpg

main_image3_re.jpg

1043 ms

main_copy.png

main_copy.png

863 ms

main_p.png

main_p.png

861 ms

kanariya.png

kanariya.png

1180 ms

bg_repeat.gif

bg_repeat.gif

1006 ms

analytics.js

analytics.js

154 ms

bx_loader.gif

bx_loader.gif

371 ms

collect

collect

34 ms

Accessibility Review

sankoh-product.co.jp accessibility score

95

Accessibility Issues

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

sankoh-product.co.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sankoh-product.co.jp SEO score

93

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

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 Sankoh-product.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 Sankoh-product.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

sankoh-product.co.jp

Open Graph description is not detected on the main page of Sankoh Product. 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: