Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

autism.gwu.edu

The GW Autism and Neurodevelopmental Disorders Institute | The George Washington University

Page Load Speed

1.8 sec in total

First Response

451 ms

Resources Loaded

896 ms

Page Rendered

419 ms

autism.gwu.edu screenshot

About Website

Welcome to autism.gwu.edu homepage info - get ready to check Autism GW U best content for United States right away, or after learning these important things about autism.gwu.edu

GW's Autism and Neurodevelopmental Disorders Institute will perform research and policy work to address the needs of people with autism across various life stages.

Visit autism.gwu.edu

Key Findings

We analyzed Autism.gwu.edu page load time and found that the first response time was 451 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

autism.gwu.edu performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.21

59/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

autism.gwu.edu

451 ms

css_uHQJ5FRxA8pAjYsSPbWL9k-I9SH1JU2oCHEq6GjsmWA.css

26 ms

css_KYlritVVBLjrnIPG9aLl_MJ7Em3xMjIpUdlj8lEA9gM.css

52 ms

css_AI89cRrN4uZDwuI4xXuu4sXRHT80_fB2aYDf9ce9Yko.css

33 ms

all.js

380 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 64% of them (23 requests) were addressed to the original Autism.gwu.edu, 14% (5 requests) were made to Use.typekit.net and 8% (3 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (451 ms) belongs to the original domain Autism.gwu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 42.1 kB (4%)

Content Size

1.1 MB

After Optimization

1.0 MB

In fact, the total size of Autism.gwu.edu main page is 1.1 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. 60% of websites need less resources to load. Javascripts take 925.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 36.4 kB

  • Original 49.2 kB
  • After minification 45.0 kB
  • After compression 12.8 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 36.4 kB or 74% of the original size.

Image Optimization

-6%

Potential reduce by 2.0 kB

  • Original 31.4 kB
  • After minification 29.5 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. Autism GW U images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 3.0 kB

  • Original 925.5 kB
  • After minification 925.5 kB
  • After compression 922.5 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

-1%

Potential reduce by 679 B

  • Original 63.5 kB
  • After minification 63.5 kB
  • After compression 62.8 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. Autism.gwu.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (68%)

Requests Now

25

After Optimization

8

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Autism GW U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

autism.gwu.edu accessibility score

89

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

autism.gwu.edu best practices score

75

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

Missing source maps for large first-party JavaScript

SEO Factors

autism.gwu.edu SEO score

92

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Autism.gwu.edu 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 Autism.gwu.edu 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 Autism GW U. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: