Tools & Wizards About Us
vx4power.com screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

vx4power.com

Vx4 | 磁気治療器、交流磁気治療器、美容関連機器のマルタカパルスでいつまでも健康と笑顔で美しく

Page Load Speed

7.5 sec in total

First Response

567 ms

Resources Loaded

5.6 sec

Page Rendered

1.3 sec

vx4power.com screenshot

About Website

Welcome to vx4power.com homepage info - get ready to check Vx4 Power best content right away, or after learning these important things about vx4power.com

磁気治療器、交流磁気治療器、美容関連機器ならマルタカパルス。磁気治療器を体験出来る健康サロンを各地に展開。Vx4はスポーツ選手にも人気。磁気の力で血行改善、肩凝り改善で健康で笑顔な毎日をご提供します。

Visit vx4power.com

Key Findings

We analyzed Vx4power.com page load time and found that the first response time was 567 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

vx4power.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.098

90/100

15%

TTI (Time to Interactive)

Value7.8 s

45/100

10%

Network Requests Diagram

vx4power.com

567 ms

vx4

555 ms

438 ms

gtm.js

66 ms

css

39 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Vx4power.com, 80% (39 requests) were made to Marutaka-p.co.jp and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Marutaka-p.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 641.3 kB (5%)

Content Size

11.8 MB

After Optimization

11.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vx4power.com main page is 11.8 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. 45% of websites need less resources to load. Images take 11.7 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 42.6 kB

  • Original 55.5 kB
  • After minification 50.3 kB
  • After compression 12.9 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. 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 42.6 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 557.7 kB

  • Original 11.7 MB
  • After minification 11.1 MB

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. Vx4 Power images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 33.9 kB

  • Original 62.5 kB
  • After minification 62.5 kB
  • After compression 28.6 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 33.9 kB or 54% of the original size.

CSS Optimization

-27%

Potential reduce by 7.1 kB

  • Original 26.3 kB
  • After minification 26.3 kB
  • After compression 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. Vx4power.com needs all CSS files to be minified and compressed as it can save up to 7.1 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (21%)

Requests Now

43

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vx4 Power. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vx4power.com

vx4power.com

567 ms

vx4

vx4

555 ms

438 ms

gtm.js

gtm.js

66 ms

css

css

39 ms

fontello.css

fontello.css

185 ms

style.css

style.css

361 ms

style.min.css

style.min.css

730 ms

classic-themes.min.css

classic-themes.min.css

542 ms

jquery-2.1.4.min.js

jquery-2.1.4.min.js

27 ms

common.js

common.js

534 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

654 ms

analytics.js

analytics.js

327 ms

header_logo.png

header_logo.png

464 ms

toonline3.png

toonline3.png

479 ms

facebook.png

facebook.png

637 ms

instagram.png

instagram.png

478 ms

twitter.png

twitter.png

479 ms

main-sitemap.jpg

main-sitemap.jpg

810 ms

Vx4_490x380-490x380-490x380.jpg

Vx4_490x380-490x380-490x380.jpg

653 ms

vx4mv.jpg

vx4mv.jpg

1642 ms

akune.png

akune.png

2204 ms

4v.png

4v.png

1159 ms

vx4_3.jpg

vx4_3.jpg

1511 ms

model_1.jpg

model_1.jpg

1378 ms

model_2.jpg

model_2.jpg

1681 ms

neo1.jpg

neo1.jpg

1526 ms

neo2.jpg

neo2.jpg

1562 ms

model_4.jpg

model_4.jpg

1694 ms

model_3.jpg

model_3.jpg

2067 ms

athlete-img1.png

athlete-img1.png

2096 ms

athlete-img2.png

athlete-img2.png

2039 ms

athlete-img3.png

athlete-img3.png

1863 ms

instalogo.png

instalogo.png

1870 ms

athlete-img4.png

athlete-img4.png

2047 ms

athlete-img5.png

athlete-img5.png

2224 ms

athlete-img6.png

athlete-img6.png

2262 ms

athlete-img7.png

athlete-img7.png

2411 ms

athlete-img8.png

athlete-img8.png

2434 ms

bg-forC.jpg

bg-forC.jpg

2273 ms

banner-online.png

banner-online.png

2393 ms

banner-fc.png

banner-fc.png

2399 ms

footer_logo.png

footer_logo.png

2455 ms

mtGk4-RGJqfMvt7P8FUr0Q1j-Hf1BkxdBidRMqp9.woff

mtGk4-RGJqfMvt7P8FUr0Q1j-Hf1BkxdBidRMqp9.woff

104 ms

mtGm4-RGJqfMvt7P8FUr0Q1j-Hf1DrpG4iNhNg.woff

mtGm4-RGJqfMvt7P8FUr0Q1j-Hf1DrpG4iNhNg.woff

126 ms

fontello.woff

fontello.woff

2150 ms

25b6.svg

25b6.svg

18 ms

collect

collect

14 ms

js

js

46 ms

Accessibility Review

vx4power.com accessibility score

68

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

vx4power.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vx4power.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vx4power.com 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 Vx4power.com 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.

Social Sharing Optimization

vx4power.com

Open Graph description is not detected on the main page of Vx4 Power. 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: