Access bunseki.ac.jp. 日本分析化学専門学校

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value20.8 s

0/100

10%

TBT (Total Blocking Time)

Value21,250 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value42.7 s

0/100

10%

bunseki.ac.jp

566 ms

www.bunseki.ac.jp

1517 ms

gtm.js

63 ms

css2

37 ms

jquery.fancybox.css

528 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 59% of them (78 requests) were addressed to the original Bunseki.ac.jp, 14% (18 requests) were made to Platform.twitter.com and 5% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Bunseki.ac.jp.

Content Size

3.6 MB

After Optimization

2.8 MB

In fact, the total size of Bunseki.ac.jp main page is 3.6 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. Only a small number of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 52.5 kB

Original 69.3 kB
After minification 65.6 kB
After compression 16.9 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 52.5 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 201.6 kB

Original 2.6 MB
After minification 2.4 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. Bunseki images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 460.3 kB

Original 720.7 kB
After minification 525.8 kB
After compression 260.4 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 460.3 kB or 64% of the original size.

CSS Optimization

-52%

Potential reduce by 82.2 kB

Original 159.0 kB
After minification 139.9 kB
After compression 76.8 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. Bunseki.ac.jp needs all CSS files to be minified and compressed as it can save up to 82.2 kB or 52% of the original size.

Requests Now

124

After Optimization

The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bunseki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 15 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

[aria-hidden="true"] elements contain focusable descendents

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

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

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 Bunseki.ac.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 Bunseki.ac.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

bunseki.ac.jp

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

日本分析化学専門学校

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

bunseki.ac.jp

www.bunseki.ac.jp

gtm.js

css2

jquery.fancybox.css

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

bunseki.ac.jp

www.bunseki.ac.jp

gtm.js

css2

jquery.fancybox.css

top.css

jquery-1.11.0.js

heightLine.js

jquery.easing.1.3.js

slick.min.js

jquery.heightLine.js

jquery.matchHeight.js

jquery.cookie.min.js

common2016.js

common.js

jquery.fancybox.js

top.js

css

fpAnalysis.js

9f3is71.js

fpAnalysis.js

widgets.js

ojs

reset.css

global.css

slick.css

top-body.css

media-queries.css

media-top.css

font-awesome.min.css

0.jpg

search_btn.png

btn_vw3.svg

btn_vw1.svg

side-banner02.png

side-banner03.png

side-banner04.png

side-banner05.png

side-banner18.png

side-banner07.png

side-banner12.png

side-banner11.png

bnr_vw.jpg