Access vbw.jp. バレーボールマガジン | 全日本バレー、Vリーグ、大学バレー、高校バレーの最新情報をお届けするバレーボールWebマガジン

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

vbw.jp

1693 ms

vbm.link

1600 ms

style.css

338 ms

EnhancingCSS.css

699 ms

jquery.js

1296 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Vbw.jp, 93% (71 requests) were made to Vbm.link and 3% (2 requests) were made to Ad.linksynergy.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Vbm.link.

Content Size

598.0 kB

After Optimization

362.2 kB

In fact, the total size of Vbw.jp main page is 598.0 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. 20% of websites need less resources to load. Images take 282.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 22.6 kB

Original 28.4 kB
After minification 27.1 kB
After compression 5.8 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 22.6 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 16.0 kB

Original 282.6 kB
After minification 266.6 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. Vbw images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 152.0 kB

Original 233.1 kB
After minification 231.1 kB
After compression 81.1 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 152.0 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 45.2 kB

Original 53.9 kB
After minification 44.3 kB
After compression 8.6 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. Vbw.jp needs all CSS files to be minified and compressed as it can save up to 45.2 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vbw. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

button, link, and menuitem elements do not have accessible names.

These are opportunities to improve the legibility of your content.

High

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

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.

High

<frame> or <iframe> elements do not have a title

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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/).

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 Vbw.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 Vbw.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.

Social Sharing Optimization

vbw.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

バレーボールマガジン | 全日本バレー、Vリーグ、大学バレー、高校バレーの最新情報をお届けするバレーボールWebマガジン

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

vbw.jp

vbm.link

style.css

EnhancingCSS.css

jquery.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

vbw.jp

vbm.link

style.css

EnhancingCSS.css

jquery.js

run.js

mod-common.css

mod-contents.css

widget.js

jquery.js

jquery-migrate.min.js

show

show

bg-headline.gif

sn01-sitemap.gif

sn01-contact.gif

bg-header.jpg

site-id.gif

bg-site-search.gif

bg-search-input.gif

btn-search01.gif

sn02-aboutvbw.gif

sn02-schedule.gif

bg-globalnav.gif

gn-home_h.gif

gn-gamerep_o.gif

gn-interview_o.gif

gn-presscomment_o.gif

gn-column_o.gif

gn-topics_o.gif

gn-photo_o.gif

bg-wrapper.gif

line-dotted02.gif

line-diagonal01.gif

icon-cate01-gamerep.png

5b409d23bbd832a7024db2fa009f8d92-445x296.jpg

icon-cate02-interview.png

IMAG0453-s-215x143.jpg

IMGP3826-001-215x143.jpg

line-dotted03.gif

icon-cate03-topics.gif

icon-cate03-interview.gif

IMGP3884-150x150.jpg