Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

d41.org

Glen Ellyn School District 41 / Homepage

Page Load Speed

1.5 sec in total

First Response

76 ms

Resources Loaded

892 ms

Page Rendered

577 ms

d41.org screenshot

About Website

Click here to check amazing D 41 content for United States. Otherwise, check out these important facts you probably never knew about d41.org

District 41 is known for high academic achievement and a strong sense of community. We serve about 3,600 PreK-8 students from Carol Stream, Glendale Heights, Glen Ellyn, Lombard and Wheaton, IL.

Visit d41.org

Key Findings

We analyzed D41.org page load time and found that the first response time was 76 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

d41.org performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.823

4/100

15%

TTI (Time to Interactive)

Value25.6 s

0/100

10%

Network Requests Diagram

d41.org

76 ms

default.aspx

90 ms

OpenSans-Light.css

31 ms

OpenSans-Italic.css

30 ms

OpenSans-Regular.css

31 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 58% of them (49 requests) were addressed to the original D41.org, 8% (7 requests) were made to Fonts.gstatic.com and 7% (6 requests) were made to Extend.schoolwires.com. The less responsive or slowest element that took the longest time to load (345 ms) belongs to the original domain D41.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (32%)

Content Size

4.4 MB

After Optimization

3.0 MB

In fact, the total size of D41.org main page is 4.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 222.7 kB

  • Original 278.1 kB
  • After minification 274.0 kB
  • After compression 55.4 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. 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 222.7 kB or 80% of the original size.

Image Optimization

-24%

Potential reduce by 865.4 kB

  • Original 3.7 MB
  • After minification 2.8 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. Obviously, D 41 needs image optimization as it can save up to 865.4 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 159.3 kB

  • Original 248.1 kB
  • After minification 215.1 kB
  • After compression 88.7 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 159.3 kB or 64% of the original size.

CSS Optimization

-73%

Potential reduce by 187.7 kB

  • Original 256.0 kB
  • After minification 209.6 kB
  • After compression 68.4 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. D41.org needs all CSS files to be minified and compressed as it can save up to 187.7 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (63%)

Requests Now

70

After Optimization

26

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D 41. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

d41.org accessibility score

91

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.

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

Image elements do not have [alt] attributes

Best Practices

d41.org best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

d41.org SEO score

90

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

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 D41.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 D41.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 D 41. 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: