Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

aiaa.org

Home | AIAA

Page Load Speed

1.5 sec in total

First Response

33 ms

Resources Loaded

1.1 sec

Page Rendered

429 ms

aiaa.org screenshot

About Website

Welcome to aiaa.org homepage info - get ready to check AIAA best content for China right away, or after learning these important things about aiaa.org

AIAA is the world’s largest aerospace technical society. With nearly 30,000 individual members from 85 countries, and 95 corporate members, AIAA brings together industry, academia, and government to a...

Visit aiaa.org

Key Findings

We analyzed Aiaa.org page load time and found that the first response time was 33 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

aiaa.org performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

45/100

10%

LCP (Largest Contentful Paint)

Value16.1 s

0/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value1,080 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value1.709

0/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

Network Requests Diagram

aiaa.org

33 ms

www.aiaa.org

59 ms

50bf9a8c-b123-410e-8fef-bfca2bd1b643

20 ms

all.css

53 ms

smart.js

52 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 68% of them (48 requests) were addressed to the original Aiaa.org, 4% (3 requests) were made to Use.fontawesome.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (357 ms) belongs to the original domain Aiaa.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.9 kB (7%)

Content Size

1.8 MB

After Optimization

1.7 MB

In fact, the total size of Aiaa.org main page is 1.8 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. 65% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 65.1 kB

  • Original 80.5 kB
  • After minification 65.3 kB
  • After compression 15.4 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 15.2 kB, which is 19% 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 65.1 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 56.5 kB

  • Original 1.6 MB
  • After minification 1.5 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. AIAA images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 11.2 kB

  • Original 143.5 kB
  • After minification 143.5 kB
  • After compression 132.3 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

-0%

Potential reduce by 0 B

  • Original 11.0 kB
  • After minification 11.0 kB
  • After compression 11.0 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. Aiaa.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 34 (56%)

Requests Now

61

After Optimization

27

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AIAA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

aiaa.org accessibility score

86

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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.

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

aiaa.org best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

aiaa.org SEO score

79

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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