Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

airventuremuseum.org

EAA Aviation Museum | Oshkosh, Wisconsin

Page Load Speed

2.5 sec in total

First Response

86 ms

Resources Loaded

2.1 sec

Page Rendered

309 ms

airventuremuseum.org screenshot

About Website

Click here to check amazing Airventure Museum content. Otherwise, check out these important facts you probably never knew about airventuremuseum.org

Located in Oshkosh, Wisconsin, the EAA Aviation Museum is a year-round destination to explore world class aviation and aircraft displays and galleries.

Visit airventuremuseum.org

Key Findings

We analyzed Airventuremuseum.org page load time and found that the first response time was 86 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

airventuremuseum.org performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value31.9 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value600 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

airventuremuseum.org

86 ms

eaa-museum

311 ms

main.less

361 ms

home.less

97 ms

jquery.fancybox.css

86 ms

Our browser made a total of 166 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Airventuremuseum.org, 86% (143 requests) were made to Eaa.org and 2% (3 requests) were made to Fast.fonts.net. The less responsive or slowest element that took the longest time to load (843 ms) relates to the external source Eaa.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (40%)

Content Size

4.8 MB

After Optimization

2.8 MB

In fact, the total size of Airventuremuseum.org main page is 4.8 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. 70% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 94.9 kB

  • Original 115.5 kB
  • After minification 80.1 kB
  • After compression 20.6 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 35.4 kB, which is 31% 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 94.9 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 104.3 kB

  • Original 2.6 MB
  • After minification 2.4 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. Airventure Museum images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 1.5 MB

  • Original 1.8 MB
  • After minification 1.0 MB
  • After compression 328.2 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 1.5 MB or 82% of the original size.

CSS Optimization

-87%

Potential reduce by 255.1 kB

  • Original 293.9 kB
  • After minification 240.7 kB
  • After compression 38.8 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. Airventuremuseum.org needs all CSS files to be minified and compressed as it can save up to 255.1 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 105 (65%)

Requests Now

161

After Optimization

56

The browser has sent 161 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Airventure Museum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 90 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

airventuremuseum.org accessibility score

86

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

airventuremuseum.org 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

airventuremuseum.org SEO score

81

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

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Airventuremuseum.org can be misinterpreted by Google and other search engines. Our service has detected that English 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 Airventuremuseum.org 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 Airventure Museum. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: