Tools & Wizards About Us
aviationhistory.org screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

aviationhistory.org

Aviation History - Books, Facts, News, Photos / Art Gallery

Page Load Speed

1 sec in total

First Response

101 ms

Resources Loaded

722 ms

Page Rendered

203 ms

aviationhistory.org screenshot

About Website

Visit aviationhistory.org now to see the best up-to-date Aviation History content and also check out these interesting facts you probably never knew about aviationhistory.org

Milestones from the Wright Brothers through the Space Shuttle. Feast your eyes on aviation art history and photo galleries galore. Discover the histories of aviation personalities and the aircraft the...

Visit aviationhistory.org

Key Findings

We analyzed Aviationhistory.org page load time and found that the first response time was 101 ms and then it took 925 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

aviationhistory.org performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

74/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

aviationhistory.org

101 ms

aviation_history.jpg

53 ms

US_FLAG.gif

54 ms

lineye.gif

63 ms

aviation_history.gif

62 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 78% of them (38 requests) were addressed to the original Aviationhistory.org, 8% (4 requests) were made to Qksrv.net and 4% (2 requests) were made to M1.nedstatbasic.net. The less responsive or slowest element that took the longest time to load (344 ms) relates to the external source M1.nedstatbasic.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 47.8 kB (39%)

Content Size

122.2 kB

After Optimization

74.4 kB

  • HTML
  • Images

In fact, the total size of Aviationhistory.org main page is 122.2 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 66.3 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 45.6 kB

  • Original 55.9 kB
  • After minification 49.5 kB
  • After compression 10.3 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. This page needs HTML code to be minified as it can gain 6.4 kB, 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 45.6 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 2.2 kB

  • Original 66.3 kB
  • After minification 64.0 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.

Requests Breakdown

Number of requests can be reduced by 12 (31%)

Requests Now

39

After Optimization

27

  • AJAX
  • Images

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aviation History. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

aviationhistory.org

aviationhistory.org

101 ms

aviation_history.jpg

aviation_history.jpg

53 ms

US_FLAG.gif

US_FLAG.gif

54 ms

lineye.gif

lineye.gif

63 ms

aviation_history.gif

aviation_history.gif

62 ms

milesource.gif

milesource.gif

55 ms

rtyellow.gif

rtyellow.gif

95 ms

bump.gif

bump.gif

68 ms

2balls.gif

2balls.gif

75 ms

ball.gif

ball.gif

81 ms

magazania.gif

magazania.gif

85 ms

1e-9viy

1e-9viy

103 ms

image-1052951-10273658

image-1052951-10273658

100 ms

b24_liberator.gif

b24_liberator.gif

74 ms

image-1052951-10273888

image-1052951-10273888

100 ms

image-1052951-10273690

image-1052951-10273690

101 ms

guestbook.gif

guestbook.gif

87 ms

bookmark.gif

bookmark.gif

88 ms

NY_Firefighters_911_Disaster_Relief_Fund.gif

NY_Firefighters_911_Disaster_Relief_Fund.gif

89 ms

000066.gif

000066.gif

96 ms

landing_page_optimized.jpg

landing_page_optimized.jpg

108 ms

New_Horizons_Mission_2.jpg

New_Horizons_Mission_2.jpg

109 ms

Airbus_A380_crew.jpg

Airbus_A380_crew.jpg

109 ms

ap.gif

ap.gif

108 ms

audio_listen.gif

audio_listen.gif

108 ms

Global_Flyer_1a.jpg

Global_Flyer_1a.jpg

115 ms

Airbus_A380_1.jpg

Airbus_A380_1.jpg

144 ms

Burt_Rutan_1.jpg

Burt_Rutan_1.jpg

121 ms

b17_p51_b.gif

b17_p51_b.gif

134 ms

wb.gif

wb.gif

128 ms

Amelia_Earhart.jpg

Amelia_Earhart.jpg

114 ms

arrow1_side.gif

arrow1_side.gif

124 ms

arrow2_side.gif

arrow2_side.gif

140 ms

arrow3_side.gif

arrow3_side.gif

129 ms

james_bradley.jpg

james_bradley.jpg

138 ms

36_team_logo.gif

36_team_logo.gif

141 ms

basic.js

basic.js

275 ms

4l117g04tzxIKJOLSOKIRSPQQJ

4l117g04tzxIKJOLSOKIRSPQQJ

33 ms

msheart1.gif

msheart1.gif

141 ms

msheart2.gif

msheart2.gif

160 ms

msheart3.gif

msheart3.gif

151 ms

msheart4.gif

msheart4.gif

177 ms

image-1052951-10275096

image-1052951-10275096

86 ms

stluis.gif

stluis.gif

156 ms

896770-1417736355904

896770-1417736355904

8 ms

image-1052951-8262057

image-1052951-8262057

107 ms

guestbook.gif

guestbook.gif

62 ms

8262057-1585821718421

8262057-1585821718421

57 ms

basic.js

basic.js

344 ms

Accessibility Review

aviationhistory.org accessibility score

54

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

aviationhistory.org best practices score

50

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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

aviationhistory.org SEO score

62

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

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aviationhistory.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 Aviationhistory.org main page’s claimed encoding is iso-8859-1. 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

aviationhistory.org

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: