Tools & Wizards About Us
vitamine.jp screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

vitamine.jp

ビタミネ>>ビタミン、ミネラル

Page Load Speed

5.8 sec in total

First Response

547 ms

Resources Loaded

5.1 sec

Page Rendered

116 ms

vitamine.jp screenshot

About Website

Visit vitamine.jp now to see the best up-to-date Vitamine content for Japan and also check out these interesting facts you probably never knew about vitamine.jp

ビタミン、ミネラルを徹底解剖。知識をつけて商品を見分ける目を養おう！！

Visit vitamine.jp

Key Findings

We analyzed Vitamine.jp page load time and found that the first response time was 547 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

vitamine.jp performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value5,260 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.537

14/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

vitamine.jp

547 ms

vitamine.jp

939 ms

style.css

179 ms

accessb.js

371 ms

adsbygoogle.js

112 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 51% of them (27 requests) were addressed to the original Vitamine.jp, 11% (6 requests) were made to Pagead2.googlesyndication.com and 9% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Vitamine.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.1 kB (17%)

Content Size

575.6 kB

After Optimization

479.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vitamine.jp main page is 575.6 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 542.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 19.1 kB

  • Original 25.8 kB
  • After minification 25.7 kB
  • After compression 6.7 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. 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 19.1 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 83 B

  • Original 6.4 kB
  • After minification 6.3 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. Vitamine images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 76.8 kB

  • Original 542.1 kB
  • After minification 533.5 kB
  • After compression 465.3 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 76.8 kB or 14% of the original size.

CSS Optimization

-9%

Potential reduce by 124 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 1.2 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. Vitamine.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (63%)

Requests Now

51

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vitamine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vitamine.jp

vitamine.jp

547 ms

vitamine.jp

vitamine.jp

939 ms

style.css

style.css

179 ms

accessb.js

accessb.js

371 ms

adsbygoogle.js

adsbygoogle.js

112 ms

analytics.js

analytics.js

17 ms

collect

collect

13 ms

js

js

58 ms

btitle5.gif

btitle5.gif

181 ms

sora.jpg

sora.jpg

369 ms

vitau0.gif

vitau0.gif

370 ms

vitau5.gif

vitau5.gif

500 ms

vitau1.gif

vitau1.gif

540 ms

vitau2.gif

vitau2.gif

669 ms

vitau3.gif

vitau3.gif

670 ms

vitau4.gif

vitau4.gif

677 ms

ubar2.png

ubar2.png

690 ms

yaji4.gif

yaji4.gif

695 ms

bitatop1.gif

bitatop1.gif

716 ms

bitac1.gif

bitac1.gif

882 ms

bitac2.gif

bitac2.gif

885 ms

byaji.gif

byaji.gif

885 ms

bitac3.gif

bitac3.gif

885 ms

byaji1.gif

byaji1.gif

885 ms

daycount.cgi

daycount.cgi

1354 ms

daycount.cgi

daycount.cgi

3268 ms

daycount.cgi

daycount.cgi

3269 ms

banner.gif

banner.gif

1233 ms

vmpick3.png

vmpick3.png

1338 ms

show_ads_impl.js

show_ads_impl.js

233 ms

bten1.gif

bten1.gif

1247 ms

vmpick2.png

vmpick2.png

1261 ms

zrt_lookup.html

zrt_lookup.html

45 ms

ads

ads

363 ms

ads

ads

383 ms

ads

ads

392 ms

reactive_library.js

reactive_library.js

144 ms

ca-pub-2930901615889339

ca-pub-2930901615889339

72 ms

dvbs_src.js

dvbs_src.js

70 ms

m_js_controller.js

m_js_controller.js

69 ms

window_focus.js

window_focus.js

72 ms

qs_click_protection.js

qs_click_protection.js

76 ms

ufs_web_display.js

ufs_web_display.js

67 ms

abg_lite.js

abg_lite.js

87 ms

icon.png

icon.png

6 ms

dvbs_src_internal127.js

dvbs_src_internal127.js

6 ms

verify.js

verify.js

160 ms

dvbs_src.js

dvbs_src.js

4 ms

verify.js

verify.js

121 ms

globalpassback_160x600.gif

globalpassback_160x600.gif

290 ms

globalpassback_728x90.gif

globalpassback_728x90.gif

123 ms

activeview

activeview

62 ms

activeview

activeview

66 ms

Accessibility Review

vitamine.jp accessibility score

84

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

vitamine.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

vitamine.jp SEO score

87

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vitamine.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 Vitamine.jp main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

vitamine.jp

Open Graph description is not detected on the main page of Vitamine. 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: