Access yadoyadaigaku.com. TOP

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.63

9/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

index.html

878 ms

top.css

502 ms

jquery.bxslider.css

513 ms

jquery.min.js

17 ms

jquery.easing.1.3.js

517 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 79% of them (94 requests) were addressed to the original Yadoyadaigaku.com, 6% (7 requests) were made to B.st-hatena.com and 5% (6 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Yadoyadaigaku.com.

Content Size

1.4 MB

After Optimization

1.2 MB

In fact, the total size of Yadoyadaigaku.com main page is 1.4 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 32.4 kB

Original 44.4 kB
After minification 40.0 kB
After compression 12.1 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 32.4 kB or 73% of the original size.

Image Optimization

-3%

Potential reduce by 34.0 kB

Original 1.1 MB
After minification 1.1 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. Yadoyadaigaku images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 68.8 kB

Original 199.0 kB
After minification 167.2 kB
After compression 130.3 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 68.8 kB or 35% of the original size.

CSS Optimization

-74%

Potential reduce by 15.6 kB

Original 21.2 kB
After minification 15.0 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. Yadoyadaigaku.com needs all CSS files to be minified and compressed as it can save up to 15.6 kB or 74% of the original size.

Requests Now

111

After Optimization

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yadoyadaigaku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

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 Yadoyadaigaku.com 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 Yadoyadaigaku.com 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

yadoyadaigaku.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

TOP - 宿屋大学

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

index.html

top.css

jquery.bxslider.css

jquery.min.js

jquery.easing.1.3.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

index.html

top.css

jquery.bxslider.css

jquery.min.js

jquery.easing.1.3.js

jquery.bxslider.js

top-import.css

bookmark_button.js

widgets.js

bookmark_button.js

1-default.css

top-layout.css

3-styles.css

4-clearfix.css

button-only.gif

body_back2.jpg

logo.jpg

Tel.jpg

header_link01.jpg

header_link02.jpg

header_link04.jpg

header_link03.jpg

globalNavi01.jpg

globalNavi02.jpg

globalNavi04.jpg

globalNavi03.jpg

globalNavi05.jpg

pic1.jpg

slider_gotosan.jpg

news.jpg

magazine.jpg

bnr_kansai.jpg

bnr_hokkaido.jpg

kenshuu.jpg

dvd.jpg

ondemandobanner.jpg

hoc_banner1.jpg

Linnk_banner.jpg

OBOGinterviewbanner.jpg

title.jpg

people01.jpg

people02.jpg

people03.jpg