Tools & Wizards About Us
tokai4-bb.jp screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

tokai4-bb.jp

東海大学付属第四高等学校 男子バスケットボール部OB会オフィシャルサイト 東海クラブ

Page Load Speed

3.5 sec in total

First Response

751 ms

Resources Loaded

2.6 sec

Page Rendered

165 ms

tokai4-bb.jp screenshot

About Website

Visit tokai4-bb.jp now to see the best up-to-date Tokai 4 Bb content and also check out these interesting facts you probably never knew about tokai4-bb.jp

このホームページは東海大学付属第四高等学校 男子バスケットボール部　OB会のオフィシャルサイトです。

Visit tokai4-bb.jp

Key Findings

We analyzed Tokai4-bb.jp page load time and found that the first response time was 751 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

tokai4-bb.jp performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

tokai4-bb.jp

751 ms

common.css

375 ms

index.css

378 ms

navigation.css

384 ms

jquery.js

753 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 92% of them (34 requests) were addressed to the original Tokai4-bb.jp, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Tokai4-bb.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.7 kB (43%)

Content Size

160.8 kB

After Optimization

92.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tokai4-bb.jp main page is 160.8 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 82.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 14.5 kB

  • Original 18.1 kB
  • After minification 12.3 kB
  • After compression 3.6 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 5.8 kB, which is 32% 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 14.5 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 967 B

  • Original 48.5 kB
  • After minification 47.5 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. Tokai 4 Bb images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 44.2 kB

  • Original 82.4 kB
  • After minification 78.8 kB
  • After compression 38.2 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 44.2 kB or 54% of the original size.

CSS Optimization

-77%

Potential reduce by 9.1 kB

  • Original 11.8 kB
  • After minification 9.6 kB
  • After compression 2.7 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. Tokai4-bb.jp needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (8%)

Requests Now

36

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tokai 4 Bb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tokai4-bb.jp

tokai4-bb.jp

751 ms

common.css

common.css

375 ms

index.css

index.css

378 ms

navigation.css

navigation.css

384 ms

jquery.js

jquery.js

753 ms

yuga.js

yuga.js

379 ms

js

js

129 ms

ga.js

ga.js

67 ms

header_logo_01.gif

header_logo_01.gif

249 ms

header_logo_02.gif

header_logo_02.gif

304 ms

header_logo_03.gif

header_logo_03.gif

250 ms

g_navi_01.gif

g_navi_01.gif

251 ms

g_navi_02.gif

g_navi_02.gif

195 ms

g_navi_03.gif

g_navi_03.gif

193 ms

g_navi_04.gif

g_navi_04.gif

606 ms

g_navi_05.gif

g_navi_05.gif

486 ms

g_navi_06.gif

g_navi_06.gif

446 ms

g_navi_07.gif

g_navi_07.gif

445 ms

main_visual_bg.gif

main_visual_bg.gif

501 ms

main_visual.jpg

main_visual.jpg

707 ms

head_bg.gif

head_bg.gif

632 ms

member_banner.gif

member_banner.gif

642 ms

agreement_banner.gif

agreement_banner.gif

806 ms

parents_banner.gif

parents_banner.gif

838 ms

homelos_banner01.gif

homelos_banner01.gif

838 ms

top_banner_ishizaki.gif

top_banner_ishizaki.gif

1006 ms

top_banner_marketing.gif

top_banner_marketing.gif

829 ms

footer_bg.gif

footer_bg.gif

894 ms

link_mark.gif

link_mark.gif

993 ms

g_navi_01_on.gif

g_navi_01_on.gif

1025 ms

g_navi_02_on.gif

g_navi_02_on.gif

1024 ms

g_navi_03_on.gif

g_navi_03_on.gif

1030 ms

g_navi_04_on.gif

g_navi_04_on.gif

1077 ms

g_navi_05_on.gif

g_navi_05_on.gif

1180 ms

g_navi_06_on.gif

g_navi_06_on.gif

1191 ms

g_navi_07_on.gif

g_navi_07_on.gif

1210 ms

__utm.gif

__utm.gif

10 ms

Accessibility Review

tokai4-bb.jp accessibility score

88

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

Links do not have a discernible name

Best Practices

tokai4-bb.jp best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tokai4-bb.jp SEO score

75

Search Engine Optimization Advices

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 Tokai4-bb.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 Tokai4-bb.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

tokai4-bb.jp

Open Graph description is not detected on the main page of Tokai 4 Bb. 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: