8.8 sec in total
650 ms
7.6 sec
522 ms
Visit jkj.co.jp now to see the best up-to-date Jkj content and also check out these interesting facts you probably never knew about jkj.co.jp
創業30年の老舗の住環境ジャパンが、住宅リフォーム・オール電化・太陽光発電をフルサポートいたします。
Visit jkj.co.jpWe analyzed Jkj.co.jp page load time and found that the first response time was 650 ms and then it took 8.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
jkj.co.jp performance score
name
value
score
weighting
Value19.5 s
0/100
10%
Value36.1 s
0/100
25%
Value39.6 s
0/100
10%
Value450 ms
63/100
30%
Value0
100/100
15%
Value25.7 s
0/100
10%
650 ms
17 ms
321 ms
350 ms
348 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 99% of them (81 requests) were addressed to the original Jkj.co.jp, 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Jkj.co.jp.
Page size can be reduced by 119.2 kB (10%)
1.2 MB
1.1 MB
In fact, the total size of Jkj.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. 30% of websites need less resources to load. Images take 1.1 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 77% of the original size.
Potential reduce by 30.1 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. Jkj images are well optimized though.
Potential reduce by 39.9 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 39.9 kB or 73% of the original size.
Potential reduce by 30.5 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. Jkj.co.jp needs all CSS files to be minified and compressed as it can save up to 30.5 kB or 80% of the original size.
Number of requests can be reduced by 29 (36%)
81
52
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jkj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
jkj.co.jp
650 ms
jquery.min.js
17 ms
base.css
321 ms
smart-base.css
350 ms
top.css
348 ms
smart-top.css
350 ms
smartRollover.js
351 ms
smoothscroll.js
364 ms
jquery.mousewheel-3.0.4.pack.js
656 ms
jquery.fancybox-1.3.4.pack.js
705 ms
fancybox.js
695 ms
jquery.fancybox-1.3.4.css
703 ms
jquery.cookie.js
708 ms
fontsize.js
708 ms
jquery.mobile-menu.js
1000 ms
Drawer_Slide_Menu.css
1039 ms
mmenu.js
1032 ms
jquery.flexslider-min.js
1202 ms
flexslider.css
1034 ms
top_news.js
1067 ms
bg.png
433 ms
logo.png
432 ms
search_bg.png
444 ms
search_btn.png
443 ms
fb.png
463 ms
btn_fontl.png
465 ms
btn_fontm.png
827 ms
btn_fonts.png
831 ms
mail.png
847 ms
tel.png
861 ms
arr01.png
872 ms
bg.png
879 ms
slideshow1.jpg
1819 ms
slideshow2.jpg
2125 ms
slideshow3.jpg
2383 ms
slideshow4.jpg
2339 ms
slideshow5.jpg
2347 ms
topicpath.png
1353 ms
cts01_bg.jpg
1762 ms
cts01_tit.png
2140 ms
detail_btn.png
2199 ms
top_company.png
2531 ms
top_cts_arr.png
2552 ms
cts02_bg.jpg
2565 ms
cts02_tit.png
2741 ms
top_service.png
2750 ms
cts03_bg.jpg
2755 ms
cts03_tit.png
2890 ms
top_result.png
2944 ms
news_bg.png
2921 ms
news.png
3139 ms
cate01.png
3137 ms
cate02.png
3129 ms
cate03.png
3299 ms
cate04.png
3310 ms
cate05.png
3295 ms
list_btn.png
3137 ms
top_news.png
3136 ms
ban01.jpg
3130 ms
ban02.jpg
3262 ms
ban03.jpg
3264 ms
ban04.jpg
3255 ms
ban05.jpg
3094 ms
ban06.jpg
3098 ms
sideban03.jpg
3104 ms
sideban07.jpg
3233 ms
sideban01.jpg
3239 ms
sideban02.jpg
3253 ms
sideban04.jpg
2934 ms
sideban05.jpg
2542 ms
pagetop.png
2480 ms
bg.png
2310 ms
arr02.png
2318 ms
arr03.png
2284 ms
mark.png
2272 ms
menu_btn.png
2292 ms
btn_fontm_ov.png
2285 ms
print.css
390 ms
on.png
336 ms
off.png
351 ms
arr_left.png
364 ms
arr_right.png
375 ms
jkj.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
jkj.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
jkj.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jkj.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 Jkj.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.
jkj.co.jp
Open Graph description is not detected on the main page of Jkj. 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: