Access mre.or.jp. MR認定センター

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value7.2 s

29/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

mre.or.jp

719 ms

base_1.css

346 ms

bg.gif

180 ms

header.gif

170 ms

spacer.gif

1954 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that all of those requests were addressed to Mre.or.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Mre.or.jp.

Content Size

246.4 kB

After Optimization

222.9 kB

In fact, the total size of Mre.or.jp main page is 246.4 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. Images take 217.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 12.3 kB

Original 16.5 kB
After minification 15.0 kB
After compression 4.2 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 12.3 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 453 B

Original 217.7 kB
After minification 217.2 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. Mre images are well optimized though.

CSS Optimization

-87%

Potential reduce by 10.7 kB

Original 12.2 kB
After minification 7.6 kB
After compression 1.5 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. Mre.or.jp needs all CSS files to be minified and compressed as it can save up to 10.7 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mre. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Issues

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

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

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 valid value for its [lang] attribute.

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

Search Engine Optimization Advices

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 Mre.or.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 Mre.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

mre.or.jp

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

MR認定センター

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

mre.or.jp

base_1.css

bg.gif

header.gif

spacer.gif

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

mre.or.jp

base_1.css

bg.gif

header.gif

spacer.gif

navi_m.gif

shadow.gif

nav_01.jpg

nav_02.jpg

nav_03.jpg

nav_04.jpg

nav_05.jpg

nav_06.jpg

nav_10.gif

nav_07.gif

nav_09.gif

nav_08.gif

100th_aniversary_btn.gif

divider.gif

top_photo_01.jpg

top_photo_02.jpg

top_photo_03.jpg

top_photo_06.jpg

top_photo_04.jpg

top_photo_05.jpg

btn_books.gif

btn_niko.gif

btn_mrmovie.gif

news.gif

navi_link.gif

footer.gif

nav_on_02.jpg

nav_on_01.jpg

nav_on_03.jpg

nav_on_04.jpg

nav_on_05.jpg

nav_on_06.jpg

nav_on_07.jpg

top_photo_on_06.jpg

top_photo_on_03.jpg

top_photo_on_04.jpg

book_banner_on.jpg

core_curriculam_btn_on.gif

nav_on_07.gif