Report Summary

  • 5

    Performance

    Renders faster than
    20% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    61% of websites

averycoonley.org

Private Gifted Children School Downers Grove, IL | Elementary School for Gifted Kids: The Avery Coonley School

Page Load Speed

11.8 sec in total

First Response

854 ms

Resources Loaded

10.7 sec

Page Rendered

196 ms

averycoonley.org screenshot

About Website

Visit averycoonley.org now to see the best up-to-date Avery Coonley content for United States and also check out these interesting facts you probably never knew about averycoonley.org

If you’re in the Chicago metro area searching for a “gifted kids school near me” you’ve come to the right place. Offering gifted programs for elementary students from Pre-K through 8th grade, ACS is a...

Visit averycoonley.org

Key Findings

We analyzed Averycoonley.org page load time and found that the first response time was 854 ms and then it took 10.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

averycoonley.org performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value2,780 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value1.113

1/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

www.averycoonley.org

854 ms

combined.css

524 ms

container.css

22 ms

yahoo-dom-event.js

30 ms

dragdrop-min.js

80 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 54% of them (37 requests) were addressed to the original Averycoonley.org, 17% (12 requests) were made to Fonts.gstatic.com and 12% (8 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (7.5 sec) belongs to the original domain Averycoonley.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 219.2 kB (3%)

Content Size

6.6 MB

After Optimization

6.4 MB

In fact, the total size of Averycoonley.org main page is 6.6 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. 55% of websites need less resources to load. Images take 6.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 35.3 kB

  • Original 45.5 kB
  • After minification 43.4 kB
  • After compression 10.2 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 35.3 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 116.0 kB

  • Original 6.4 MB
  • After minification 6.3 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. Avery Coonley images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 64.3 kB

  • Original 132.1 kB
  • After minification 126.2 kB
  • After compression 67.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 64.3 kB or 49% of the original size.

CSS Optimization

-81%

Potential reduce by 3.7 kB

  • Original 4.5 kB
  • After minification 2.8 kB
  • After compression 841 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. Averycoonley.org needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (28%)

Requests Now

54

After Optimization

39

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Avery Coonley. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

averycoonley.org accessibility score

77

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-*] attributes do not match their roles

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

Best Practices

averycoonley.org 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

averycoonley.org SEO score

86

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Averycoonley.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 Averycoonley.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 description is not detected on the main page of Avery Coonley. 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: