Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

aahs-online.org

American Aviation Historical Society

Page Load Speed

8.2 sec in total

First Response

190 ms

Resources Loaded

8 sec

Page Rendered

83 ms

aahs-online.org screenshot

About Website

Welcome to aahs-online.org homepage info - get ready to check Aahs Online best content right away, or after learning these important things about aahs-online.org

AAHS is dedicated to the preservation and dissemination of the rich heritage of American aviation. Our purpose is to collect, preserve and promote the written and visual record of planes, people, plac...

Visit aahs-online.org

Key Findings

We analyzed Aahs-online.org page load time and found that the first response time was 190 ms and then it took 8.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

aahs-online.org performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

aahs-online.org

190 ms

aahs-online.org

7332 ms

aahs.css

70 ms

aahs_logo_90x90_t.gif

135 ms

search.png

199 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 Aahs-online.org and no external sources were called. The less responsive or slowest element that took the longest time to load (7.3 sec) belongs to the original domain Aahs-online.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.1 kB (8%)

Content Size

392.5 kB

After Optimization

361.4 kB

In fact, the total size of Aahs-online.org main page is 392.5 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 381.4 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 6.4 kB

  • Original 9.7 kB
  • After minification 8.9 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. 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 6.4 kB or 66% of the original size.

Image Optimization

-6%

Potential reduce by 24.0 kB

  • Original 381.4 kB
  • After minification 357.4 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. Aahs Online images are well optimized though.

CSS Optimization

-47%

Potential reduce by 632 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 708 B

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. Aahs-online.org needs all CSS files to be minified and compressed as it can save up to 632 B or 47% 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 Aahs Online. According to our analytics all requests are already optimized.

Accessibility Review

aahs-online.org accessibility score

78

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.

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

Form elements do not have associated labels

Best Practices

aahs-online.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

aahs-online.org SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aahs-online.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 Aahs-online.org main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Aahs Online. 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: