11.2 sec in total
551 ms
10.2 sec
453 ms
Welcome to sankosha.co.jp homepage info - get ready to check Sankosha best content for Japan right away, or after learning these important things about sankosha.co.jp
サンコーシヤのコーポレートサイトです。サンコーシヤは、SPD(避雷器・保安器)、GDT(セラミックアレスタ)、トランス、避雷針などの雷対策製品、端子板、光配線盤などの通信設備、航空障害灯などの製造・販売と、雷対策、接地の工事・コンサルティングを行っています。
Visit sankosha.co.jpWe analyzed Sankosha.co.jp page load time and found that the first response time was 551 ms and then it took 10.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
sankosha.co.jp performance score
name
value
score
weighting
Value8.6 s
0/100
10%
Value9.3 s
1/100
25%
Value11.2 s
5/100
10%
Value120 ms
97/100
30%
Value0.556
13/100
15%
Value10.6 s
23/100
10%
551 ms
879 ms
330 ms
328 ms
333 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 96% of them (72 requests) were addressed to the original Sankosha.co.jp, 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.4 sec) belongs to the original domain Sankosha.co.jp.
Page size can be reduced by 195.3 kB (12%)
1.6 MB
1.4 MB
In fact, the total size of Sankosha.co.jp main page is 1.6 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 1.4 MB which makes up the majority of the site volume.
Potential reduce by 18.6 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 18.6 kB or 74% of the original size.
Potential reduce by 70.2 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. Sankosha images are well optimized though.
Potential reduce by 90.5 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 90.5 kB or 58% of the original size.
Potential reduce by 15.9 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. Sankosha.co.jp needs all CSS files to be minified and compressed as it can save up to 15.9 kB or 80% of the original size.
Number of requests can be reduced by 26 (36%)
72
46
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sankosha. 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.
sankosha.co.jp
551 ms
www.sankosha.co.jp
879 ms
top.css
330 ms
jquery.kwicks.min.css
328 ms
mosaic.css
333 ms
flexslider.css
334 ms
jquery-1.8.3.min.js
1231 ms
smoothscroll.js
653 ms
opacity-rollover2.1.js
655 ms
jquery.flexslider-min.js
1020 ms
jquery.kwicks.min.js
677 ms
mosaic.1.0.1.min.js
685 ms
jquery.sticky.js
980 ms
404-file-not-found.html
347 ms
analytics.js
141 ms
header_bg_top.png
325 ms
logo.png
340 ms
header_tel.png
346 ms
header_contact.gif
347 ms
header_lang.png
351 ms
mainimage01.jpg
3336 ms
top_topics_bg.png
675 ms
top_topics_title.png
675 ms
top_topics_btn.png
676 ms
mainimage04.jpg
4710 ms
mainimage02.jpg
4423 ms
mainimage03.jpg
2996 ms
nav.gif
1010 ms
globalnav_onlineshop.gif
1032 ms
top_contents_bg01.gif
1357 ms
top_contents01_title.png
1365 ms
top_contents03_btn.gif
1847 ms
top_contents01_btn01.gif
1695 ms
top_contents01_left_img.jpg
2990 ms
top_contents01_left_title.png
2338 ms
overlay_bg.png
2674 ms
top_contents01_btn02.png
3012 ms
top_contents01_center_img.jpg
4724 ms
top_contents01_center_title.png
3514 ms
top_contents01_right_img.jpg
4418 ms
top_contents01_right_title2.png
4388 ms
top_contents02_title.gif
3873 ms
overlay_bg2.png
4232 ms
top_contents02_img01.jpg
5047 ms
top_contents02_img02.jpg
5536 ms
top_contents02_img03.jpg
5556 ms
top_contents02_img04.jpg
5405 ms
top_contents02_img05.jpg
5684 ms
top_contents02_img06.jpg
5211 ms
top_contents02_img07.jpg
6269 ms
top_contents02_img08.jpg
6357 ms
collect
14 ms
top_border.png
5418 ms
top_contents04_title.gif
5572 ms
top_contents04_btn.gif
5553 ms
arr03.gif
5679 ms
top_contents04_banner03.jpg
5888 ms
top_contents04_banner01.jpg
5894 ms
top_contents04_banner02.jpg
5919 ms
top_contents03_title.png
5686 ms
top_contents03_banner01.jpg
5899 ms
top_contents03_banner02.jpg
5920 ms
top_contents03_banner03.jpg
5712 ms
top_contents03_banner04.jpg
5694 ms
pagetop.gif
5200 ms
footer_border.gif
5102 ms
footer_logo.png
4885 ms
footer_banner01.jpg
4584 ms
footer_banner02.jpg
4284 ms
mainbtn_on.png
4289 ms
mainbtn_off.png
4399 ms
arr01.png
4093 ms
arr02.png
4039 ms
print.css
163 ms
collect
4 ms
sankosha.co.jp accessibility score
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
ARIA input 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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sankosha.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
sankosha.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sankosha.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 Sankosha.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.
sankosha.co.jp
Open Graph description is not detected on the main page of Sankosha. 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: