Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

habu.org

www.habu.org - The Online Blackbird Museum

Page Load Speed

432 ms in total

First Response

108 ms

Resources Loaded

179 ms

Page Rendered

145 ms

habu.org screenshot

About Website

Click here to check amazing Habu content for United States. Otherwise, check out these important facts you probably never knew about habu.org

Habu.Org - The Online Blackbird Museum. Inludes history and photos of nearly all 50 Lockheed Blackbirds (SR-71, A-12, M-21, and YF-12).

Visit habu.org

Key Findings

We analyzed Habu.org page load time and found that the first response time was 108 ms and then it took 324 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

habu.org performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value0.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

habu.org

108 ms

shayne-letsroll-sm.jpg

58 ms

habu-org-banner.jpg

41 ms

theonline.GIF

36 ms

blackbirdmuseum.GIF

42 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Habu.org and no external sources were called. The less responsive or slowest element that took the longest time to load (108 ms) belongs to the original domain Habu.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.9 kB (9%)

Content Size

54.3 kB

After Optimization

49.4 kB

In fact, the total size of Habu.org main page is 54.3 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 49.0 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 3.5 kB

  • Original 5.3 kB
  • After minification 5.3 kB
  • After compression 1.8 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 3.5 kB or 67% of the original size.

Image Optimization

-3%

Potential reduce by 1.4 kB

  • Original 49.0 kB
  • After minification 47.6 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. Habu images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Habu. According to our analytics all requests are already optimized.

Accessibility Review

habu.org accessibility score

58

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

habu.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

Serves images with low resolution

SEO Factors

habu.org 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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Habu.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 Habu.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

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