Tools & Wizards About Us
sciencemuseum.jp screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

sciencemuseum.jp

新潟県立自然科学館

Page Load Speed

11.6 sec in total

First Response

1 sec

Resources Loaded

9.8 sec

Page Rendered

744 ms

sciencemuseum.jp screenshot

About Website

Visit sciencemuseum.jp now to see the best up-to-date Sciencemuseum content for Japan and also check out these interesting facts you probably never knew about sciencemuseum.jp

新潟県立自然科学館ではプラネタリウムをはじめ、イベントや実験、展示物を通して科学にたくさん触れることができる施設です。夏休みの自由研究にも…

Visit sciencemuseum.jp

Key Findings

We analyzed Sciencemuseum.jp page load time and found that the first response time was 1 sec and then it took 10.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sciencemuseum.jp performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.568

12/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

www.sciencemuseum.jp

1021 ms

import.css

196 ms

style.css

389 ms

respond.src.js

529 ms

jquery.min.js

24 ms

Our browser made a total of 143 requests to load all elements on the main page. We found that 85% of them (122 requests) were addressed to the original Sciencemuseum.jp, 6% (9 requests) were made to Scontent-itm1-1.cdninstagram.com and 3% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source Scontent-itm1-1.cdninstagram.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (17%)

Content Size

6.1 MB

After Optimization

5.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sciencemuseum.jp main page is 6.1 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. 60% of websites need less resources to load. Images take 5.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 72.0 kB

  • Original 91.3 kB
  • After minification 85.7 kB
  • After compression 19.2 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 72.0 kB or 79% of the original size.

Image Optimization

-8%

Potential reduce by 444.5 kB

  • Original 5.2 MB
  • After minification 4.8 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. Sciencemuseum images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 401.0 kB

  • Original 657.0 kB
  • After minification 636.3 kB
  • After compression 256.0 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 401.0 kB or 61% of the original size.

CSS Optimization

-80%

Potential reduce by 101.4 kB

  • Original 126.3 kB
  • After minification 98.4 kB
  • After compression 24.9 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. Sciencemuseum.jp needs all CSS files to be minified and compressed as it can save up to 101.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (38%)

Requests Now

142

After Optimization

88

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 142 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciencemuseum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.sciencemuseum.jp

www.sciencemuseum.jp

1021 ms

import.css

import.css

196 ms

style.css

style.css

389 ms

respond.src.js

respond.src.js

529 ms

jquery.min.js

jquery.min.js

24 ms

common.js

common.js

529 ms

jquery.cookie.js

jquery.cookie.js

566 ms

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jquery.easing.1.3.min.js

569 ms

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571 ms

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578 ms

js

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62 ms

home.css

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880 ms

calendar.css

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707 ms

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755 ms

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759 ms

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952 ms

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770 ms

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883 ms

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945 ms

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1138 ms

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961 ms

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1058 ms

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1409 ms

reset.css

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945 ms

layout.css

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1141 ms

print.css

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960 ms

analytics.js

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25 ms

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collect

14 ms

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61 ms

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201 ms

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187 ms

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200 ms

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951 ms

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771 ms

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580 ms

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892 ms

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1153 ms

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1063 ms

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1070 ms

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1140 ms

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1154 ms

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1248 ms

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1330 ms

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1345 ms

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1418 ms

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68 ms

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1383 ms

get_news

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1637 ms

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26 ms

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112 ms

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117 ms

get_instagram_media.php

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2790 ms

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1644 ms

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1345 ms

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1401 ms

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1408 ms

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65 ms

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13 ms

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25 ms

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1380 ms

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1419 ms

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1397 ms

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1540 ms

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1564 ms

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1428 ms

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1431 ms

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1319 ms

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1352 ms

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1362 ms

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1366 ms

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1318 ms

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1348 ms

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1350 ms

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194 ms

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180 ms

Accessibility Review

sciencemuseum.jp accessibility score

79

Accessibility Issues

ARIA

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.

Impact

Issue

High

ARIA input fields do not have accessible names

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sciencemuseum.jp best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sciencemuseum.jp SEO score

91

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

Image elements do not have [alt] attributes

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sciencemuseum.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 Sciencemuseum.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

sciencemuseum.jp

Open Graph data is detected on the main page of Sciencemuseum. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: