4.6 sec in total
527 ms
3.9 sec
127 ms
Welcome to kotobuki-grp.co.jp homepage info - get ready to check Kotobuki Grp best content right away, or after learning these important things about kotobuki-grp.co.jp
消音・気密性能にこだわったウレタンフォーム加工・緩衝材なら愛知県岡崎市のことぶき株式会社へ。一工程の加工のみではなく、複数の工程・加工を合わせ、無数な形をご提供できるよう、設備も充実しております。
Visit kotobuki-grp.co.jpWe analyzed Kotobuki-grp.co.jp page load time and found that the first response time was 527 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
kotobuki-grp.co.jp performance score
name
value
score
weighting
Value2.5 s
66/100
10%
Value8.2 s
2/100
25%
Value6.2 s
44/100
10%
Value140 ms
95/100
30%
Value0.488
17/100
15%
Value7.6 s
46/100
10%
527 ms
456 ms
306 ms
1146 ms
345 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 95% of them (39 requests) were addressed to the original Kotobuki-grp.co.jp, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Kotobuki-grp.co.jp.
Page size can be reduced by 134.2 kB (21%)
648.0 kB
513.8 kB
In fact, the total size of Kotobuki-grp.co.jp main page is 648.0 kB. 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 443.0 kB which makes up the majority of the site volume.
Potential reduce by 5.9 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 5.9 kB or 71% of the original size.
Potential reduce by 0 B
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. Kotobuki Grp images are well optimized though.
Potential reduce by 107.2 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 107.2 kB or 63% of the original size.
Potential reduce by 21.1 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. Kotobuki-grp.co.jp needs all CSS files to be minified and compressed as it can save up to 21.1 kB or 83% of the original size.
Number of requests can be reduced by 10 (25%)
40
30
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kotobuki Grp. 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.
kotobuki-grp.co.jp
527 ms
style.css
456 ms
top.css
306 ms
jquery-1.9.0.min.js
1146 ms
jquery.mousewheel-3.0.6.pack.js
345 ms
jquery.fancybox.js
898 ms
jquery.fancybox.css
372 ms
jquery.fancybox-buttons.css
642 ms
jquery.fancybox-buttons.js
670 ms
jquery.fancybox-thumbs.css
763 ms
jquery.fancybox-thumbs.js
809 ms
jquery.fancybox-media.js
969 ms
logo_kotobuki.jpg
329 ms
h_c_navi01.jpg
338 ms
h_c_navi02.jpg
338 ms
h_c_navi03.jpg
370 ms
h_c_navi04.jpg
345 ms
h_c_navi05.jpg
365 ms
h_navi01.jpg
634 ms
h_navi02.jpg
685 ms
h_navi03.jpg
689 ms
h_navi04.jpg
668 ms
top_back.jpg
711 ms
t_lineup.jpg
714 ms
main_top01.jpg
1718 ms
main_top02.jpg
1509 ms
main_top03.jpg
1680 ms
main_top_navi01.jpg
1027 ms
main_top_navi02.jpg
1023 ms
main_top_navi03.jpg
1061 ms
main_top_line.jpg
1327 ms
main_top04.jpg
2087 ms
main_top05.jpg
2021 ms
main_top_navi04.jpg
1652 ms
main_top_navi05.jpg
1819 ms
f_navi01.jpg
2032 ms
f_navi02.jpg
2027 ms
f_navi03.jpg
2195 ms
pagetop.jpg
2251 ms
ga.js
9 ms
__utm.gif
12 ms
kotobuki-grp.co.jp accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<html> element does not have a [lang] attribute
kotobuki-grp.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
kotobuki-grp.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kotobuki-grp.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 Kotobuki-grp.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.
kotobuki-grp.co.jp
Open Graph description is not detected on the main page of Kotobuki Grp. 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: