Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

global.jaxa.jp

JAXA | Japan Aerospace Exploration Agency

Page Load Speed

7.5 sec in total

First Response

1.2 sec

Resources Loaded

5.7 sec

Page Rendered

601 ms

global.jaxa.jp screenshot

About Website

Click here to check amazing Global JAXA content for Japan. Otherwise, check out these important facts you probably never knew about global.jaxa.jp

The Japan Aerospace Exploration Agency (JAXA) performs various activities related to aerospace as an organization, from basic research in the aerospace field to development and utilization.

Visit global.jaxa.jp

Key Findings

We analyzed Global.jaxa.jp page load time and found that the first response time was 1.2 sec and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

global.jaxa.jp performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value3,200 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.28

43/100

15%

TTI (Time to Interactive)

Value19.1 s

3/100

10%

Network Requests Diagram

global.jaxa.jp

1199 ms

base.css

403 ms

loader.js

375 ms

brand

19 ms

brand

33 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 94% of them (87 requests) were addressed to the original Global.jaxa.jp, 2% (2 requests) were made to Google.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Global.jaxa.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 564.2 kB (26%)

Content Size

2.1 MB

After Optimization

1.6 MB

In fact, the total size of Global.jaxa.jp main page is 2.1 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. 45% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 47.6 kB

  • Original 55.8 kB
  • After minification 48.4 kB
  • After compression 8.2 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. This page needs HTML code to be minified as it can gain 7.4 kB, which is 13% 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 47.6 kB or 85% of the original size.

Image Optimization

-8%

Potential reduce by 124.1 kB

  • Original 1.5 MB
  • After minification 1.4 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. Global JAXA images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 289.3 kB

  • Original 427.2 kB
  • After minification 411.6 kB
  • After compression 137.9 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 289.3 kB or 68% of the original size.

CSS Optimization

-88%

Potential reduce by 103.1 kB

  • Original 117.2 kB
  • After minification 95.1 kB
  • After compression 14.0 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. Global.jaxa.jp needs all CSS files to be minified and compressed as it can save up to 103.1 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (38%)

Requests Now

90

After Optimization

56

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Global JAXA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

global.jaxa.jp accessibility score

71

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

global.jaxa.jp best practices score

50

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

global.jaxa.jp SEO score

62

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Global.jaxa.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Global.jaxa.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 data is detected on the main page of Global JAXA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: