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car-airmuseum.com screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

car-airmuseum.com

河口湖自動車博物館･飛行舘

Page Load Speed

5.1 sec in total

First Response

587 ms

Resources Loaded

4.3 sec

Page Rendered

163 ms

car-airmuseum.com screenshot

About Website

Welcome to car-airmuseum.com homepage info - get ready to check Car Airmuseum best content for Japan right away, or after learning these important things about car-airmuseum.com

河口湖自動車博物館・飛行舘 - Kawaguchiko Motor Museum・ZeroFighter Museum - の公式サイトです。毎年8月のみ開館

Visit car-airmuseum.com

Key Findings

We analyzed Car-airmuseum.com page load time and found that the first response time was 587 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

car-airmuseum.com performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

car-airmuseum.com

587 ms

car-airmuseum.com

717 ms

import.css

182 ms

skitter.styles.css

361 ms

jquery.js

840 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 95% of them (39 requests) were addressed to the original Car-airmuseum.com, 2% (1 request) were made to Google.com and 2% (1 request) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Car-airmuseum.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 267.6 kB (3%)

Content Size

8.5 MB

After Optimization

8.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Car-airmuseum.com main page is 8.5 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. 30% of websites need less resources to load. Images take 8.2 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 5.6 kB

  • Original 8.0 kB
  • After minification 7.1 kB
  • After compression 2.4 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 879 B, which is 11% 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 5.6 kB or 70% of the original size.

Image Optimization

-1%

Potential reduce by 71.9 kB

  • Original 8.2 MB
  • After minification 8.1 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. Car Airmuseum images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 162.4 kB

  • Original 226.3 kB
  • After minification 190.0 kB
  • After compression 63.9 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 162.4 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 27.6 kB

  • Original 33.7 kB
  • After minification 25.4 kB
  • After compression 6.1 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. Car-airmuseum.com needs all CSS files to be minified and compressed as it can save up to 27.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (22%)

Requests Now

36

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Car Airmuseum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

car-airmuseum.com

car-airmuseum.com

587 ms

car-airmuseum.com

car-airmuseum.com

717 ms

import.css

import.css

182 ms

skitter.styles.css

skitter.styles.css

361 ms

jquery.js

jquery.js

840 ms

jsapi

jsapi

9 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

510 ms

jquery.skitter.js

jquery.skitter.js

1036 ms

loader.js

loader.js

18 ms

reset.css

reset.css

346 ms

common.css

common.css

359 ms

top.css

top.css

507 ms

contents.css

contents.css

525 ms

bg_body01.jpg

bg_body01.jpg

183 ms

bg_header.jpg

bg_header.jpg

176 ms

logo.png

logo.png

177 ms

btn_lang02.png

btn_lang02.png

181 ms

btn_lang01.png

btn_lang01.png

183 ms

g_menu01.jpg

g_menu01.jpg

603 ms

bg_body02.jpg

bg_body02.jpg

348 ms

keyvisual11.png

keyvisual11.png

1198 ms

keyvisual12.png

keyvisual12.png

1050 ms

keyvisual13.png

keyvisual13.png

1575 ms

keyvisual14.png

keyvisual14.png

1405 ms

keyvisual15.png

keyvisual15.png

1190 ms

keyvisual16.png

keyvisual16.png

1607 ms

keyvisual17.png

keyvisual17.png

1401 ms

keyvisual18.png

keyvisual18.png

1528 ms

keyvisual19.png

keyvisual19.png

1543 ms

keyvisual20.png

keyvisual20.png

1585 ms

top_none.gif

top_none.gif

1585 ms

bnr_car.png

bnr_car.png

1703 ms

bnr_airplane_2022.png

bnr_airplane_2022.png

1720 ms

whitebox_top.png

whitebox_top.png

1754 ms

whitebox_btm.png

whitebox_btm.png

1765 ms

whitebox_in.png

whitebox_in.png

1763 ms

icon_01.gif

icon_01.gif

1811 ms

pagetop.jpg

pagetop.jpg

1874 ms

copyright.jpg

copyright.jpg

1893 ms

sprite-clean.png

sprite-clean.png

1932 ms

ajax-loader.gif

ajax-loader.gif

1939 ms

Accessibility Review

car-airmuseum.com accessibility score

67

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

car-airmuseum.com 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

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

car-airmuseum.com SEO score

58

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

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

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 Car-airmuseum.com 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 Car-airmuseum.com 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

car-airmuseum.com

Open Graph description is not detected on the main page of Car Airmuseum. 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: