4.5 sec in total
593 ms
3.8 sec
122 ms
Click here to check amazing Green Energynet content. Otherwise, check out these important facts you probably never knew about green-energynet.jp
地球環境に対して負荷の少ない自然界のエネルギーである「再生可能エネルギー」の導入を検討されている方向けのポータルサイトです。補助金、導入促進制度、税制のような支援制度から再生可能エネルギーの固定価格買取制度 に関する情報を集めたページです。再生エネルギーに関するニュースなど最新動向をお伝えします。
Visit green-energynet.jpWe analyzed Green-energynet.jp page load time and found that the first response time was 593 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
green-energynet.jp performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value3.9 s
51/100
25%
Value5.5 s
55/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value3.8 s
90/100
10%
593 ms
711 ms
365 ms
370 ms
1348 ms
Our browser made a total of 13 requests to load all elements on the main page. We found that 92% of them (12 requests) were addressed to the original Green-energynet.jp, 8% (1 request) were made to Enecho.meti.go.jp. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Green-energynet.jp.
Page size can be reduced by 213.6 kB (70%)
303.9 kB
90.3 kB
In fact, the total size of Green-energynet.jp main page is 303.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 193.8 kB which makes up the majority of the site volume.
Potential reduce by 2.2 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 2.2 kB or 58% of the original size.
Potential reduce by 14.3 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. Obviously, Green Energynet needs image optimization as it can save up to 14.3 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 158.3 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 158.3 kB or 82% of the original size.
Potential reduce by 38.8 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. Green-energynet.jp needs all CSS files to be minified and compressed as it can save up to 38.8 kB or 84% of the original size.
Number of requests can be reduced by 5 (50%)
10
5
The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Green Energynet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
green-energynet.jp
593 ms
main01.css
711 ms
main.js
365 ms
lightbox.css
370 ms
prototype.js
1348 ms
scriptaculous.js
375 ms
lightbox.js
779 ms
page.css
729 ms
effects.js
937 ms
builder.js
376 ms
web-template.jpg
817 ms
loading.gif
375 ms
closelabel.gif
392 ms
green-energynet.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
green-energynet.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
green-energynet.jp SEO score
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Green-energynet.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 Green-energynet.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.
green-energynet.jp
Open Graph description is not detected on the main page of Green Energynet. 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: