Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

nusr.nagoya-u.ac.jp

名古屋大学シンクロトロン光研究センター – NUSR (Nagoya University Synchrotron Radiation Research Center)

Page Load Speed

3.7 sec in total

First Response

590 ms

Resources Loaded

2.4 sec

Page Rendered

659 ms

nusr.nagoya-u.ac.jp screenshot

About Website

Welcome to nusr.nagoya-u.ac.jp homepage info - get ready to check NUSR Nagoya U best content for Japan right away, or after learning these important things about nusr.nagoya-u.ac.jp

website description

Visit nusr.nagoya-u.ac.jp

Key Findings

We analyzed Nusr.nagoya-u.ac.jp page load time and found that the first response time was 590 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

nusr.nagoya-u.ac.jp performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

nusr.nagoya-u.ac.jp

590 ms

style.css

354 ms

modernizr-1.5.min.js

361 ms

jquery.min.js

925 ms

image_slide.js

451 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Nusr.nagoya-u.ac.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Nusr.nagoya-u.ac.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 82.4 kB (13%)

Content Size

628.5 kB

After Optimization

546.0 kB

In fact, the total size of Nusr.nagoya-u.ac.jp main page is 628.5 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. Only 10% of websites need less resources to load. Images take 519.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 9.4 kB

  • Original 12.7 kB
  • After minification 9.5 kB
  • After compression 3.3 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 3.2 kB, which is 25% 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 9.4 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 9.3 kB

  • Original 519.9 kB
  • After minification 510.5 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. NUSR Nagoya U images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 57.3 kB

  • Original 87.8 kB
  • After minification 86.8 kB
  • After compression 30.5 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 57.3 kB or 65% of the original size.

CSS Optimization

-79%

Potential reduce by 6.4 kB

  • Original 8.0 kB
  • After minification 6.9 kB
  • After compression 1.7 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. Nusr.nagoya-u.ac.jp needs all CSS files to be minified and compressed as it can save up to 6.4 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NUSR Nagoya U. According to our analytics all requests are already optimized.

Accessibility Review

nusr.nagoya-u.ac.jp accessibility score

98

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.

Best Practices

nusr.nagoya-u.ac.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nusr.nagoya-u.ac.jp SEO score

89

Search Engine Optimization Advices

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nusr.nagoya-u.ac.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 Nusr.nagoya-u.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

Open Graph description is not detected on the main page of NUSR Nagoya U. 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: