7.5 sec in total
514 ms
6.9 sec
140 ms
Visit nippon-heater.co.jp now to see the best up-to-date Nippon Heater content for Japan and also check out these interesting facts you probably never knew about nippon-heater.co.jp
創業1924年以来、シーズヒーターをメインに産業用電気加熱システム製造一筋。豊富な実績と経験あり。規格品の他、多品種少量生産、一品物、短納期対応いたします。なお、当社は産業用・設備用(法人向け)の電気ヒーターメーカです。ご家庭でお使いのヒーターはお取り扱いしておりません。ホームページでは、製品紹介や設計指針を解説してい
Visit nippon-heater.co.jpWe analyzed Nippon-heater.co.jp page load time and found that the first response time was 514 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
nippon-heater.co.jp performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value9.2 s
1/100
25%
Value13.5 s
2/100
10%
Value60 ms
100/100
30%
Value0
100/100
15%
Value6.1 s
64/100
10%
514 ms
1693 ms
170 ms
339 ms
678 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 96% of them (76 requests) were addressed to the original Nippon-heater.co.jp, 3% (2 requests) were made to Ssl.google-analytics.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Nippon-heater.co.jp.
Page size can be reduced by 126.9 kB (8%)
1.7 MB
1.6 MB
In fact, the total size of Nippon-heater.co.jp main page is 1.7 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. 35% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 27.9 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 27.9 kB or 79% of the original size.
Potential reduce by 78.9 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. Nippon Heater images are well optimized though.
Potential reduce by 11.0 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. This website has mostly compressed JavaScripts.
Potential reduce by 9.1 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. Nippon-heater.co.jp needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 27% of the original size.
Number of requests can be reduced by 25 (32%)
77
52
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nippon Heater. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
nippon-heater.co.jp
514 ms
www.nippon-heater.co.jp
1693 ms
style.css
170 ms
sp.css
339 ms
jquery.js
678 ms
rollover.js
511 ms
scroll.js
510 ms
swfobject.js
508 ms
heightLine.js
508 ms
jquery.min.js
26 ms
sp.js
523 ms
style.min.css
679 ms
jquery.fancybox.1.3.21.min.css
676 ms
jquery.min.js
849 ms
jquery-migrate.min.js
680 ms
jquery.fancybox.1.3.21.min.js
697 ms
jquery.easing.1.4.1.min.js
845 ms
jquery.mousewheel.3.1.13.min.js
844 ms
reset.css
679 ms
base.css
681 ms
contents.css
703 ms
contents2.css
846 ms
body_bg.gif
169 ms
tel.png
171 ms
menu.png
171 ms
logo.gif
340 ms
gnavi01over.gif
172 ms
gnavi02.gif
174 ms
gnavi03.gif
337 ms
gnavi04.gif
339 ms
gnavi05.gif
339 ms
gnavi06.gif
340 ms
gnavi07.gif
349 ms
close.png
505 ms
a.jpg
1017 ms
halogen.jpg
1186 ms
b.jpg
849 ms
c.jpg
848 ms
d.jpg
1045 ms
e.jpg
1013 ms
f.jpg
1359 ms
g.jpg
1360 ms
lineup_bg.gif
1183 ms
lineup_ti.gif
1188 ms
lineup_bt1.gif
1220 ms
lineup_bt2.gif
1354 ms
lineup_bt3.gif
1356 ms
lineup_bt4.gif
1357 ms
lineup_bt5.gif
1395 ms
lineup_bt6.gif
1524 ms
news_bg.gif
1525 ms
news_ti.gif
1528 ms
news_bt.gif
1529 ms
sidebar_inquiry.gif
1529 ms
sidebar_inquiry_bt.gif
1570 ms
sidebar_envi.gif
1692 ms
sidebar_recruit.gif
1694 ms
ga.js
17 ms
footer_bg1.gif
1661 ms
__utm.gif
15 ms
footer_pagetop.gif
1532 ms
footer_ph.jpg
1531 ms
footer_bg2.gif
1576 ms
footer_ic1.gif
1693 ms
footer_ic2.gif
1693 ms
gnavi02over.gif
1532 ms
gnavi03over.gif
1529 ms
gnavi04over.gif
1530 ms
gnavi05over.gif
1582 ms
gnavi06over.gif
1692 ms
gnavi07over.gif
1687 ms
lineup_bt1over.gif
1533 ms
lineup_bt2over.gif
1197 ms
lineup_bt3over.gif
1196 ms
lineup_bt4over.gif
1083 ms
lineup_bt5over.gif
1185 ms
lineup_bt6over.gif
1160 ms
sidebar_inquiry_btover.gif
1023 ms
footer_pagetopover.gif
1027 ms
nippon-heater.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.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
nippon-heater.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
nippon-heater.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Nippon-heater.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 Nippon-heater.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.
nippon-heater.co.jp
Open Graph description is not detected on the main page of Nippon Heater. 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: