15.5 sec in total
791 ms
14 sec
664 ms
Click here to check amazing Denryoku content for Japan. Otherwise, check out these important facts you probably never knew about denryoku.com
電力.comは、家庭向けの様々な電気料金プランをわかりやすく解説し、比較するための情報を提供します。2016年の電力自由化によって、様々な電力会社の中から契約する電気料金のプランを選べるようになりますが、あなたのお困りごとやご要望にあった電気料金のプランを見つけるお手伝いをいたします。
Visit denryoku.comWe analyzed Denryoku.com page load time and found that the first response time was 791 ms and then it took 14.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
denryoku.com performance score
name
value
score
weighting
Value4.1 s
20/100
10%
Value4.5 s
36/100
25%
Value4.1 s
78/100
10%
Value290 ms
80/100
30%
Value0.079
94/100
15%
Value6.5 s
58/100
10%
791 ms
1312 ms
2498 ms
526 ms
1398 ms
Our browser made a total of 120 requests to load all elements on the main page. We found that 65% of them (78 requests) were addressed to the original Denryoku.com, 5% (6 requests) were made to C.betrad.com and 4% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Denryoku.com.
Page size can be reduced by 391.1 kB (31%)
1.3 MB
869.7 kB
In fact, the total size of Denryoku.com main page is 1.3 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. 60% of websites need less resources to load. Images take 773.5 kB which makes up the majority of the site volume.
Potential reduce by 51.3 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 12.6 kB, which is 20% 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 51.3 kB or 82% of the original size.
Potential reduce by 36.5 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. Denryoku images are well optimized though.
Potential reduce by 181.7 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 181.7 kB or 62% of the original size.
Potential reduce by 121.5 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. Denryoku.com needs all CSS files to be minified and compressed as it can save up to 121.5 kB or 92% of the original size.
Number of requests can be reduced by 48 (42%)
114
66
The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Denryoku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
denryoku.com
791 ms
1312 ms
www.denryoku.com
2498 ms
reset.css
526 ms
style.css
1398 ms
styles.css
586 ms
lightbox.min.css
591 ms
jquery-1.11.1.min.js
1218 ms
smartphone.js
638 ms
common.js
1102 ms
jquery.js
1839 ms
jquery-migrate.min.js
1120 ms
adsbygoogle.js
20 ms
wp-emoji-release.min.js
440 ms
analytics.js
107 ms
header_logo2.png
755 ms
header_btn03.png
856 ms
%E3%81%9B%E3%81%A4%E3%82%84%E3%81%8F%E3%82%93%E3%80%80%E3%82%A2%E3%82%A4%E3%82%AD%E3%83%A3%E3%83%83%E3%83%81.jpg
856 ms
open_date_icon2.png
849 ms
54.jpg
1226 ms
49.jpg
1297 ms
53.jpg
1613 ms
service_icon01.png
1498 ms
service_icon02.png
1506 ms
service_icon03.png
1505 ms
service_icon04.png
1707 ms
service_icon05.png
1828 ms
service_icon06.png
2088 ms
service_icon07.png
2101 ms
dictionary_bnr.jpg
2119 ms
usami_bnr.jpg
2639 ms
hiramatsu_bnr.jpg
3102 ms
setsuya_bnr.jpg
2975 ms
review-plan_title.png
2646 ms
map.png
2850 ms
news_title.png
2712 ms
more_icon.png
3179 ms
54-80x80.jpg
3280 ms
49-80x80.jpg
3265 ms
53-80x80.jpg
3397 ms
rate-plan_title.png
3530 ms
00-1-80x80.jpg
3637 ms
35-80x80.jpg
3728 ms
18-80x80.jpg
3828 ms
power-saving_title.png
3868 ms
02-80x80.jpg
3898 ms
01-80x80.jpg
4139 ms
00-80x80.jpg
4172 ms
eco_title.png
4255 ms
8-80x80.jpg
4452 ms
sdk.js
99 ms
widgets.js
74 ms
collect
52 ms
ca-pub-4479135687883242.js
98 ms
zrt_lookup.html
152 ms
show_ads_impl.js
164 ms
collect
473 ms
248 ms
xd_arbiter.php
216 ms
timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
39 ms
syndication
418 ms
605500945191936000
552 ms
ads
274 ms
osd.js
254 ms
ads
351 ms
7-80x80.jpg
3853 ms
m_js_controller.js
37 ms
abg.js
52 ms
favicon
56 ms
googlelogo_color_112x36dp.png
46 ms
nessie_icon_thin_arrow_big_white.png
39 ms
s
19 ms
x_button_blue2.png
7 ms
6-80x80.jpg
3710 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
15 ms
0_z1Bt97DI.jpg
288 ms
a.gif
69 ms
bcs0
79 ms
creative_add_on.js
287 ms
economy_title.png
3847 ms
43-80x80.jpg
3853 ms
00009-80x80.jpg
4064 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
3 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
7 ms
qfmKmh5Q_normal.png
385 ms
surly.js
154 ms
ba.html
69 ms
cms-2c.html
85 ms
00006-80x80.jpg
3852 ms
4.gif
84 ms
column_title.png
3785 ms
2532.js
133 ms
pixel
51 ms
match-result
37 ms
box_19_top-right.png
27 ms
ci.png
49 ms
jot
28 ms
08-80x80.jpg
3603 ms
0063-80x80.jpg
3691 ms
63-80x80.jpg
3815 ms
banner03.jpg
3859 ms
%E3%81%9B%E3%81%A4%E3%82%84%E3%81%8F%E3%82%93%E3%80%80%E3%82%A2%E3%82%A4%E3%82%AD%E3%83%A3%E3%83%83%E3%83%81-80x80.jpg
3920 ms
48-80x80.jpg
3834 ms
ranking_1.png
3598 ms
00-1.jpg
4032 ms
ranking_2.png
3779 ms
59.jpg
3820 ms
ranking_3.png
3546 ms
43.jpg
3732 ms
ranking_4.png
3422 ms
8.jpg
3652 ms
ranking_5.png
3671 ms
35.jpg
3952 ms
tag_icon.jpg
3561 ms
btn_footer_regist.png
3723 ms
btn_footer_contact.png
3603 ms
footer_contents01_02_link_icon.png
3673 ms
page_top.png
3708 ms
top_main_image_title.png
3700 ms
map_select.png
3711 ms
denryoku.com 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
denryoku.com 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
Browser errors were logged to the console
denryoku.com SEO score
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
EN
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Denryoku.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Japanese language. Our system also found out that Denryoku.com 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.
denryoku.com
Open Graph description is not detected on the main page of Denryoku. 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: