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aviation-history.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

aviation-history.com

The Aviation History Online Museum

Page Load Speed

602 ms in total

First Response

138 ms

Resources Loaded

366 ms

Page Rendered

98 ms

aviation-history.com screenshot

About Website

Welcome to aviation-history.com homepage info - get ready to check Aviation History best content for United States right away, or after learning these important things about aviation-history.com

Browse through a selection of airplane photographs from the beginning of aviation history to the present day. Take a virtual tour of the Garber restoration facility, where historic aircraft are refurb...

Visit aviation-history.com

Key Findings

We analyzed Aviation-history.com page load time and found that the first response time was 138 ms and then it took 464 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

aviation-history.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value2,240 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.215

58/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

aviation-history.com

138 ms

style.css

30 ms

adsbygoogle.js

109 ms

urchin.js

13 ms

history-title.jpg

60 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 78% of them (18 requests) were addressed to the original Aviation-history.com, 9% (2 requests) were made to Google-analytics.com and 9% (2 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (158 ms) belongs to the original domain Aviation-history.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.9 kB (6%)

Content Size

260.4 kB

After Optimization

245.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aviation-history.com main page is 260.4 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. 20% of websites need less resources to load. Images take 184.4 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 3.3 kB

  • Original 5.3 kB
  • After minification 5.3 kB
  • After compression 2.0 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 3.3 kB or 62% of the original size.

Image Optimization

-6%

Potential reduce by 10.5 kB

  • Original 184.4 kB
  • After minification 173.9 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. Aviation History images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 998 B

  • Original 70.5 kB
  • After minification 70.5 kB
  • After compression 69.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-24%

Potential reduce by 37 B

  • Original 152 B
  • After minification 130 B
  • After compression 115 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. Aviation-history.com needs all CSS files to be minified and compressed as it can save up to 37 B or 24% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aviation History. According to our analytics all requests are already optimized.

Network Requests Diagram

aviation-history.com

aviation-history.com

138 ms

style.css

style.css

30 ms

adsbygoogle.js

adsbygoogle.js

109 ms

urchin.js

urchin.js

13 ms

history-title.jpg

history-title.jpg

60 ms

aircraft-3.jpg

aircraft-3.jpg

58 ms

engines-3.jpg

engines-3.jpg

55 ms

articles-3.jpg

articles-3.jpg

58 ms

airmen-3.jpg

airmen-3.jpg

58 ms

theory-3.jpg

theory-3.jpg

58 ms

ww1aero-4.jpg

ww1aero-4.jpg

87 ms

gallery-3.jpg

gallery-3.jpg

86 ms

models-3.jpg

models-3.jpg

86 ms

early-3.jpg

early-3.jpg

86 ms

video-3.jpg

video-3.jpg

84 ms

links-3.jpg

links-3.jpg

88 ms

about-4.jpg

about-4.jpg

115 ms

b29-14b.jpg

b29-14b.jpg

158 ms

widgets.js

widgets.js

40 ms

__utm.gif

__utm.gif

4 ms

grft-3.jpg

grft-3.jpg

87 ms

acyb-3.jpg

acyb-3.jpg

88 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

140 ms

Accessibility Review

aviation-history.com accessibility score

83

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

aviation-history.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

aviation-history.com SEO score

69

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aviation-history.com 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 Aviation-history.com main page’s claimed encoding is . 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

aviation-history.com

Open Graph description is not detected on the main page of Aviation History. 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: