5.1 sec in total
761 ms
4.2 sec
156 ms
Welcome to vitamin-i.jp homepage info - get ready to check Vitamin I best content for Japan right away, or after learning these important things about vitamin-i.jp
ドキドキを、成長のちからに。ビタミンiファクトリーは、「へんしんバイク」や「自転車教室」などを通して、夢を叶えられる大人へ、社会へ変えていきます。
Visit vitamin-i.jpWe analyzed Vitamin-i.jp page load time and found that the first response time was 761 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
vitamin-i.jp performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value14.6 s
0/100
25%
Value11.9 s
4/100
10%
Value460 ms
62/100
30%
Value0.411
24/100
15%
Value10.2 s
25/100
10%
761 ms
343 ms
344 ms
519 ms
1217 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that 91% of them (31 requests) were addressed to the original Vitamin-i.jp, 3% (1 request) were made to J1.ax.xrea.com and 3% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Vitamin-i.jp.
Page size can be reduced by 112.1 kB (7%)
1.5 MB
1.4 MB
In fact, the total size of Vitamin-i.jp main page is 1.5 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. 25% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 6.2 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. This page needs HTML code to be minified as it can gain 1.9 kB, which is 21% 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 6.2 kB or 68% of the original size.
Potential reduce by 3.8 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. Vitamin I images are well optimized though.
Potential reduce by 61.0 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 61.0 kB or 56% of the original size.
Potential reduce by 41.0 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. Vitamin-i.jp needs all CSS files to be minified and compressed as it can save up to 41.0 kB or 88% of the original size.
Number of requests can be reduced by 10 (31%)
32
22
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vitamin I. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
vitamin-i.jp
761 ms
index.css
343 ms
smartRollover.js
344 ms
scrollsmoothly.js
519 ms
jquery.js
1217 ms
mainimage.js
348 ms
l.j
449 ms
main.css
187 ms
text.css
853 ms
extra.css
173 ms
table.css
180 ms
bg.jpg
187 ms
logo.png
174 ms
inq_off.png
171 ms
nav.jpg
175 ms
top_re_bb_links.jpg
687 ms
top_re_bb-fan_links.jpg
692 ms
top_re_hb_links.jpg
718 ms
top_re_gold_links.jpg
695 ms
top_re_guiness.jpg
1913 ms
top_re_neo_links.jpg
1300 ms
top_re_i-d_links.jpg
1201 ms
top_re_staff_links.jpg
1210 ms
bg.jpg
869 ms
01.jpg
889 ms
02.jpg
1044 ms
05.jpg
1060 ms
03.jpg
1218 ms
dc.js
37 ms
l134.f
540 ms
main_1.jpg
1340 ms
main_2.jpg
1827 ms
main_3.jpg
1500 ms
main_4.jpg
1513 ms
vitamin-i.jp 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
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
vitamin-i.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
vitamin-i.jp 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 doesn't use legible font sizes
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vitamin-i.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 Vitamin-i.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.
vitamin-i.jp
Open Graph description is not detected on the main page of Vitamin I. 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: