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d91.net screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

d91.net

Milne-Kelvin Grove District 91

Page Load Speed

7.8 sec in total

First Response

144 ms

Resources Loaded

5.7 sec

Page Rendered

2 sec

d91.net screenshot

About Website

Click here to check amazing D 91 content for United States. Otherwise, check out these important facts you probably never knew about d91.net

Milne-Kelvin Grove District 91 serves the residents of Lockport, Illinois with two schools: Milne Grove Elementary (K-3) and Kelvin Grove Middle School (4-8).

Visit d91.net

Key Findings

We analyzed D91.net page load time and found that the first response time was 144 ms and then it took 7.7 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

d91.net performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value50.3 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value2,190 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.111

87/100

15%

TTI (Time to Interactive)

Value33.0 s

0/100

10%

Network Requests Diagram

d91.net

144 ms

www.d91.net

142 ms

sites.css

14 ms

fancybox.css

27 ms

main_style.css

114 ms

Our browser made a total of 175 requests to load all elements on the main page. We found that 35% of them (62 requests) were addressed to the original D91.net, 23% (41 requests) were made to Cdn.smore.com and 17% (29 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Cdn.smore.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (12%)

Content Size

11.8 MB

After Optimization

10.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of D91.net main page is 11.8 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. Only a small number of websites need less resources to load. Images take 10.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 92.0 kB

  • Original 110.1 kB
  • After minification 107.5 kB
  • After compression 18.1 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 92.0 kB or 84% of the original size.

Image Optimization

-9%

Potential reduce by 987.0 kB

  • Original 10.5 MB
  • After minification 9.5 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. D 91 images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 376.8 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 731.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 376.8 kB or 34% of the original size.

CSS Optimization

-21%

Potential reduce by 16.7 kB

  • Original 79.4 kB
  • After minification 64.4 kB
  • After compression 62.7 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. D91.net needs all CSS files to be minified and compressed as it can save up to 16.7 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (29%)

Requests Now

129

After Optimization

91

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D 91. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

d91.net

d91.net

144 ms

www.d91.net

www.d91.net

142 ms

sites.css

sites.css

14 ms

fancybox.css

fancybox.css

27 ms

main_style.css

main_style.css

114 ms

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28 ms

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26 ms

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26 ms

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24 ms

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78 ms

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Accessibility Review

d91.net accessibility score

84

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Best Practices

d91.net 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

d91.net SEO score

85

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

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

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 D91.net 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 D91.net 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

d91.net

Open Graph data is detected on the main page of D 91. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: