4.8 sec in total
887 ms
3.8 sec
123 ms
Click here to check amazing Thunder Tepco content for Japan. Otherwise, check out these important facts you probably never knew about thunder.tepco.co.jp
Visit thunder.tepco.co.jpWe analyzed Thunder.tepco.co.jp page load time and found that the first response time was 887 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.
thunder.tepco.co.jp performance score
name
value
score
weighting
Value2.0 s
83/100
10%
Value10.3 s
0/100
25%
Value9.3 s
13/100
10%
Value10 ms
100/100
30%
Value0.308
38/100
15%
Value5.3 s
73/100
10%
887 ms
314 ms
71 ms
540 ms
427 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 94% of them (48 requests) were addressed to the original Thunder.tepco.co.jp, 4% (2 requests) were made to Tepco.co.jp and 2% (1 request) were made to A5.ogt.jp. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Thunder.tepco.co.jp.
Page size can be reduced by 376.0 kB (56%)
666.6 kB
290.6 kB
In fact, the total size of Thunder.tepco.co.jp main page is 666.6 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. 25% of websites need less resources to load. Javascripts take 362.6 kB which makes up the majority of the site volume.
Potential reduce by 17.7 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 3.0 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 17.7 kB or 76% of the original size.
Potential reduce by 44.0 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, Thunder Tepco needs image optimization as it can save up to 44.0 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 295.6 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 295.6 kB or 82% of the original size.
Potential reduce by 18.7 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. Thunder.tepco.co.jp needs all CSS files to be minified and compressed as it can save up to 18.7 kB or 82% of the original size.
Number of requests can be reduced by 5 (10%)
50
45
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thunder Tepco. 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.
thunder.tepco.co.jp
887 ms
style.css
314 ms
colorbox.css
71 ms
jquery-1.9.1.js
540 ms
jquery.colorbox.js
427 ms
jquery.parse.js
378 ms
common.js
404 ms
logo.png
443 ms
title_sp.png
651 ms
title_pc.png
734 ms
sel_handle.png
735 ms
han_ame.png
774 ms
han_kumo.png
805 ms
han_rai.png
935 ms
han_gose.png
1273 ms
btn_update.png
1050 ms
btn_update_sp.png
1086 ms
sp_detail_btn.png
1121 ms
han_ame_sp.png
1254 ms
han_kumo_sp.png
1344 ms
han_rai_sp.png
1399 ms
han_gose_sp.png
1414 ms
teiden.png
1447 ms
kakeibo.png
1581 ms
kouatsu.png
1637 ms
arrow_header.png
1354 ms
ame_on.png
1406 ms
kumo_off.png
1446 ms
rai_off.png
1472 ms
gose_off.png
1622 ms
sel_area.png
1792 ms
sel_tokyo.png
1902 ms
sel_kanagawa.png
1730 ms
sel_chiba.png
1774 ms
sel_tochigi.png
1791 ms
sel_gunma.png
1957 ms
sel_niigata.png
2085 ms
sel_fukushima.png
2107 ms
link_bg.png
2097 ms
area_select.png
2163 ms
text_bg.png
2149 ms
past_bg.png
2183 ms
btn_show.png
2344 ms
ss_tepco.js
275 ms
loading.gif
1927 ms
right_bg.png
2143 ms
right_bottom.png
2109 ms
right_top.png
2153 ms
arrow_right.png
2104 ms
ss_tepco_hm.js
60 ms
plog
524 ms
thunder.tepco.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
Image elements do not have [alt] attributes
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
thunder.tepco.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
thunder.tepco.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 Thunder.tepco.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 Thunder.tepco.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.
thunder.tepco.co.jp
Open Graph description is not detected on the main page of Thunder Tepco. 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: