5 sec in total
749 ms
3.9 sec
353 ms
Visit high-voltage.tokyo now to see the best up-to-date High Voltage content for Japan and also check out these interesting facts you probably never knew about high-voltage.tokyo
Visit high-voltage.tokyoWe analyzed High-voltage.tokyo page load time and found that the first response time was 749 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
high-voltage.tokyo performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value10.2 s
0/100
25%
Value5.4 s
56/100
10%
Value40 ms
100/100
30%
Value0.236
53/100
15%
Value3.6 s
91/100
10%
749 ms
312 ms
851 ms
373 ms
371 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that all of those requests were addressed to High-voltage.tokyo and no external sources were called. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain High-voltage.tokyo.
Page size can be reduced by 105.8 kB (12%)
890.6 kB
784.8 kB
In fact, the total size of High-voltage.tokyo main page is 890.6 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. Only 10% of websites need less resources to load. Images take 756.5 kB which makes up the majority of the site volume.
Potential reduce by 5.9 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. This page needs HTML code to be minified as it can gain 1.1 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 5.9 kB or 65% of the original size.
Potential reduce by 12.6 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. High Voltage images are well optimized though.
Potential reduce by 68.2 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 68.2 kB or 66% of the original size.
Potential reduce by 19.2 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. High-voltage.tokyo needs all CSS files to be minified and compressed as it can save up to 19.2 kB or 87% of the original size.
We found no issues to fix!
21
21
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of High Voltage. According to our analytics all requests are already optimized.
high-voltage.tokyo
749 ms
basic.css
312 ms
jquery-1.8.3.min.js
851 ms
jquery.easing.1.3.js
373 ms
basic.js
371 ms
reset.css
188 ms
contents.css
324 ms
header_logo.png
186 ms
login_bg.png
320 ms
login_input_bg.png
322 ms
rogin_logo.png
362 ms
main_bg.jpg
1891 ms
race_name.png
601 ms
regist_bg.png
1501 ms
regist_ad_bg.png
642 ms
regist_btn.png
679 ms
regist_time_bg.png
699 ms
result_bg01.png
1339 ms
result_bg03.png
980 ms
lp_img01.png
2307 ms
result_bg02.png
1043 ms
result_bg04.png
1437 ms
high-voltage.tokyo accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
high-voltage.tokyo 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
high-voltage.tokyo SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise High-voltage.tokyo 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 High-voltage.tokyo 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.
high-voltage.tokyo
Open Graph description is not detected on the main page of High Voltage. 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: