Tools & Wizards About Us
mito-keimei.ed.jp screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

mito-keimei.ed.jp

水戸啓明高等学校 – 水戸啓明高等学校のホームページです。KEIMEIワールドを存分にお楽しみ下さい。

Page Load Speed

5.1 sec in total

First Response

574 ms

Resources Loaded

4 sec

Page Rendered

497 ms

mito-keimei.ed.jp screenshot

About Website

Visit mito-keimei.ed.jp now to see the best up-to-date Mito Keimei content and also check out these interesting facts you probably never knew about mito-keimei.ed.jp

Visit mito-keimei.ed.jp

Key Findings

We analyzed Mito-keimei.ed.jp page load time and found that the first response time was 574 ms and then it took 4.5 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

mito-keimei.ed.jp performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.3 s

0/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

mito-keimei.ed.jp

574 ms

base.css

1089 ms

share.css

1087 ms

share.js

1118 ms

bg.jpg

2304 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Mito-keimei.ed.jp, 94% (15 requests) were made to Mito-eiko.ed.jp. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Mito-eiko.ed.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.4 kB (1%)

Content Size

747.2 kB

After Optimization

737.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mito-keimei.ed.jp main page is 747.2 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 742.1 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 1.8 kB

  • Original 2.7 kB
  • After minification 2.6 kB
  • After compression 906 B

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 1.8 kB or 67% of the original size.

Image Optimization

-1%

Potential reduce by 6.3 kB

  • Original 742.1 kB
  • After minification 735.8 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. Mito Keimei images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 254 B

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.

CSS Optimization

-63%

Potential reduce by 1.3 kB

  • Original 2.1 kB
  • After minification 1.6 kB
  • After compression 762 B

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. Mito-keimei.ed.jp needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 63% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mito Keimei. According to our analytics all requests are already optimized.

Network Requests Diagram

mito-keimei.ed.jp

mito-keimei.ed.jp

574 ms

base.css

base.css

1089 ms

share.css

share.css

1087 ms

share.js

share.js

1118 ms

bg.jpg

bg.jpg

2304 ms

line_bg.gif

line_bg.gif

352 ms

h1.jpg

h1.jpg

702 ms

link1.jpg

link1.jpg

1054 ms

link2.jpg

link2.jpg

1072 ms

link3.jpg

link3.jpg

1108 ms

link4.jpg

link4.jpg

1445 ms

link5.jpg

link5.jpg

1852 ms

link6.jpg

link6.jpg

2076 ms

notice.jpg

notice.jpg

1837 ms

footer_bg.gif

footer_bg.gif

1442 ms

fc.jpg

fc.jpg

2297 ms

Accessibility Review

mito-keimei.ed.jp accessibility score

93

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

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

mito-keimei.ed.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

mito-keimei.ed.jp SEO score

77

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

Mobile Friendly

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/).

Impact

Issue

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mito-keimei.ed.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 Mito-keimei.ed.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

mito-keimei.ed.jp

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