5.8 sec in total
759 ms
4.7 sec
295 ms
Visit energy-f.com now to see the best up-to-date Energy F content and also check out these interesting facts you probably never knew about energy-f.com
型風力発電の風況調査、小型風力発電保険加入、太陽光発電所分譲のエネルギーファーム
Visit energy-f.comWe analyzed Energy-f.com page load time and found that the first response time was 759 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
energy-f.com performance score
name
value
score
weighting
Value5.6 s
6/100
10%
Value13.9 s
0/100
25%
Value11.4 s
5/100
10%
Value520 ms
56/100
30%
Value0
100/100
15%
Value12.0 s
16/100
10%
759 ms
1311 ms
685 ms
524 ms
558 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 96% of them (46 requests) were addressed to the original Energy-f.com, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Energy-f.com.
Page size can be reduced by 47.3 kB (8%)
568.9 kB
521.6 kB
In fact, the total size of Energy-f.com main page is 568.9 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 521.6 kB which makes up the majority of the site volume.
Potential reduce by 7.8 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 1.5 kB, which is 13% 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 7.8 kB or 70% of the original size.
Potential reduce by 24.6 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. Energy F images are well optimized though.
Potential reduce by 3.5 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 3.5 kB or 16% of the original size.
Potential reduce by 11.3 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. Energy-f.com needs all CSS files to be minified and compressed as it can save up to 11.3 kB or 81% of the original size.
We found no issues to fix!
46
46
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Energy F. According to our analytics all requests are already optimized.
energy-f.com
759 ms
www.energy-f.com
1311 ms
base.css
685 ms
logo.gif
524 ms
header_text.gif
558 ms
header_contact.gif
557 ms
header_tel.gif
589 ms
header_mail.gif
508 ms
main_150521.jpg
1415 ms
ms_06.jpg
885 ms
btn_detail.jpg
953 ms
efbatt_attention.gif
771 ms
top_03.jpg
1056 ms
top_04.jpg
1038 ms
top_img01.jpg
1560 ms
side_title.jpg
1061 ms
navi01_o.jpg
1138 ms
navi02.jpg
1211 ms
navi03.jpg
1252 ms
rollover.js
1067 ms
fdscroller.js
1155 ms
side_solar.jpg
1215 ms
navi04.jpg
1242 ms
navi05.jpg
1249 ms
side_catalog.jpg
1476 ms
pdf.gif
1340 ms
side_company.jpg
1385 ms
pagetop.gif
1416 ms
bg_main.jpg
1070 ms
top_01.jpg
1921 ms
point.gif
1210 ms
bg_topgreen.jpg
1230 ms
01_2.jpg
1244 ms
02_2.jpg
1246 ms
03_2.jpg
1328 ms
bg_side.jpg
1383 ms
bg_navi.gif
1414 ms
bg_sidenavi.gif
1418 ms
bg_sidenavibottom.gif
1416 ms
icon_link.gif
1523 ms
ga.js
9 ms
__utm.gif
11 ms
header_mail_o.gif
173 ms
btn_detail_o.jpg
355 ms
navi02_o.jpg
188 ms
navi03_o.jpg
389 ms
navi04_o.jpg
189 ms
navi05_o.jpg
395 ms
energy-f.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.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
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
energy-f.com 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
energy-f.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
Tap targets are not sized appropriately
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Energy-f.com 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 Energy-f.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.
energy-f.com
Open Graph description is not detected on the main page of Energy F. 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: