Tools & Wizards About Us
yubitoma.or.jp screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    35% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

yubitoma.or.jp

同窓会支援サイト -ゆびとま-

Page Load Speed

5.3 sec in total

First Response

535 ms

Resources Loaded

4.6 sec

Page Rendered

181 ms

yubitoma.or.jp screenshot

About Website

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

同窓会支援サイト -ゆびとま-

Visit yubitoma.or.jp

Key Findings

We analyzed Yubitoma.or.jp page load time and found that the first response time was 535 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

yubitoma.or.jp performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value2,750 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

yubitoma.or.jp

535 ms

yubitoma.or.jp

837 ms

import.css

500 ms

wordBreak.js

509 ms

jquery-1.2.6.js

1021 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 40% of them (24 requests) were addressed to the original Yubitoma.or.jp, 10% (6 requests) were made to Pagead2.googlesyndication.com and 10% (6 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Yubitoma.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 177.7 kB (18%)

Content Size

988.7 kB

After Optimization

811.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yubitoma.or.jp main page is 988.7 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. 45% of websites need less resources to load. Javascripts take 690.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 50.5 kB

  • Original 63.9 kB
  • After minification 54.7 kB
  • After compression 13.5 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 9.2 kB, which is 14% 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 50.5 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 1.8 kB

  • Original 225.9 kB
  • After minification 224.1 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. Yubitoma images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 123.0 kB

  • Original 690.9 kB
  • After minification 642.2 kB
  • After compression 567.9 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 123.0 kB or 18% of the original size.

CSS Optimization

-30%

Potential reduce by 2.4 kB

  • Original 8.0 kB
  • After minification 8.0 kB
  • After compression 5.6 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. Yubitoma.or.jp needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (63%)

Requests Now

56

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yubitoma. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

yubitoma.or.jp

yubitoma.or.jp

535 ms

yubitoma.or.jp

yubitoma.or.jp

837 ms

import.css

import.css

500 ms

wordBreak.js

wordBreak.js

509 ms

jquery-1.2.6.js

jquery-1.2.6.js

1021 ms

common.js

common.js

512 ms

adsbygoogle.js

adsbygoogle.js

106 ms

marquee.js

marquee.js

527 ms

adsbygoogle.js

adsbygoogle.js

197 ms

common.css

common.css

513 ms

layout.css

layout.css

525 ms

content.css

content.css

524 ms

btn.css

btn.css

521 ms

exmail.css

exmail.css

535 ms

jv50000_46860_1.png

jv50000_46860_1.png

1282 ms

all_bg.gif

all_bg.gif

587 ms

bg-top.png

bg-top.png

587 ms

yubitomalogo3.gif

yubitomalogo3.gif

595 ms

hiroba.20140131.gif

hiroba.20140131.gif

755 ms

login_180_50.gif

login_180_50.gif

598 ms

regist_180_50.gif

regist_180_50.gif

595 ms

map.jpg

map.jpg

2126 ms

new.gif

new.gif

1097 ms

help.gif

help.gif

1097 ms

pota_koukai_250x90.png

pota_koukai_250x90.png

1106 ms

twitter.gif

twitter.gif

1135 ms

show_ads_impl.js

show_ads_impl.js

380 ms

icon01.gif

icon01.gif

1222 ms

sdk.js

sdk.js

54 ms

analytics.js

analytics.js

41 ms

sdk.js

sdk.js

7 ms

45 ms

collect

collect

14 ms

collect

collect

30 ms

js

js

66 ms

ga-audiences

ga-audiences

35 ms

zrt_lookup.html

zrt_lookup.html

41 ms

ads

ads

507 ms

ads

ads

428 ms

ads

ads

425 ms

reactive_library.js

reactive_library.js

146 ms

ca-pub-2358883768778939

ca-pub-2358883768778939

73 ms

load_preloaded_resource.js

load_preloaded_resource.js

54 ms

icon.png

icon.png

43 ms

abg_lite.js

abg_lite.js

184 ms

s

s

41 ms

window_focus.js

window_focus.js

190 ms

qs_click_protection.js

qs_click_protection.js

55 ms

ufs_web_display.js

ufs_web_display.js

42 ms

bbcd6bf18c20baa1b2adeb195de9b551.js

bbcd6bf18c20baa1b2adeb195de9b551.js

222 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

174 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

203 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

215 ms

settings_grey600_24dp.png

settings_grey600_24dp.png

216 ms

css

css

88 ms

css

css

105 ms

sa30O7WeJNzu8x7oKdCcujxNj08-gvZudrea3FT7Uzc.js

sa30O7WeJNzu8x7oKdCcujxNj08-gvZudrea3FT7Uzc.js

10 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

87 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

91 ms

font

font

94 ms

Accessibility Review

yubitoma.or.jp accessibility score

74

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

yubitoma.or.jp best practices score

58

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

yubitoma.or.jp SEO score

54

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

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yubitoma.or.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 Yubitoma.or.jp main page’s claimed encoding is shift_jis. 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

yubitoma.or.jp

Open Graph data is detected on the main page of Yubitoma. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: