Tools & Wizards About Us
derbyacademy.org screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

derbyacademy.org

Derby Academy | Pre-K – Grade 8 Private School | Hingham, MA

Page Load Speed

3.6 sec in total

First Response

110 ms

Resources Loaded

3.1 sec

Page Rendered

359 ms

derbyacademy.org screenshot

About Website

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

Derby Academy offers innovative learning experiences that prepare students in Pre-K – Grade 8 for academic success and develops their lifelong passion for learning.

Visit derbyacademy.org

Key Findings

We analyzed Derbyacademy.org page load time and found that the first response time was 110 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

derbyacademy.org performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.3 s

0/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value1,830 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

Network Requests Diagram

derbyacademy.org

110 ms

www.derbyacademy.org

1825 ms

gtm.js

98 ms

gtm.js

250 ms

application-8a6974b9ca597441c80ec02a3f2c0684264e54deb446923b33acaa969f229684.css

56 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 41% of them (12 requests) were addressed to the original Derbyacademy.org, 28% (8 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Derbyacademy.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 114.5 kB (12%)

Content Size

994.6 kB

After Optimization

880.1 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Derbyacademy.org main page is 994.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% 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. Javascripts take 745.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 111.4 kB

  • Original 130.2 kB
  • After minification 127.8 kB
  • After compression 18.8 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 111.4 kB or 86% of the original size.

JavaScript Optimization

-0%

Potential reduce by 232 B

  • Original 745.9 kB
  • After minification 745.9 kB
  • After compression 745.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 2.9 kB

  • Original 118.5 kB
  • After minification 118.5 kB
  • After compression 115.6 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. Derbyacademy.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (82%)

Requests Now

17

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derby Academy. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

derbyacademy.org

derbyacademy.org

110 ms

www.derbyacademy.org

www.derbyacademy.org

1825 ms

gtm.js

gtm.js

98 ms

gtm.js

gtm.js

250 ms

application-8a6974b9ca597441c80ec02a3f2c0684264e54deb446923b33acaa969f229684.css

application-8a6974b9ca597441c80ec02a3f2c0684264e54deb446923b33acaa969f229684.css

56 ms

styles.cfm

styles.cfm

124 ms

main.css

main.css

79 ms

in_layout_head-602a1b82d3fe83f66c01d9e7a465a9fc9d4ad042fab4987ea66c36ca3703cbf3.js

in_layout_head-602a1b82d3fe83f66c01d9e7a465a9fc9d4ad042fab4987ea66c36ca3703cbf3.js

120 ms

signup-form-widget.min.js

signup-form-widget.min.js

48 ms

application-8f235a259dfb98cfcb8b2c1d069be2d9d35066308cba9d06a2d2be4fb9454273.js

application-8f235a259dfb98cfcb8b2c1d069be2d9d35066308cba9d06a2d2be4fb9454273.js

120 ms

main.js

main.js

116 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

117 ms

fbevents.js

fbevents.js

228 ms

poweredby-7fe9cdfc8db6c2419477639e585e15f5fceee483b4a26452877dabab357cb391.svg

poweredby-7fe9cdfc8db6c2419477639e585e15f5fceee483b4a26452877dabab357cb391.svg

256 ms

underscore-min.js

underscore-min.js

131 ms

icomoon.woff

icomoon.woff

119 ms

webfontloader.js

webfontloader.js

109 ms

undefined

undefined

601 ms

api.js

api.js

86 ms

css

css

83 ms

main.js

main.js

12 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

17 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aXw.woff

35 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw5aXw.woff

69 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aXw.woff

88 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

88 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aXw.woff

88 ms

0QI6MX1D_JOuGQbT0gvTJPa787weuxJBkqs.woff

0QI6MX1D_JOuGQbT0gvTJPa787weuxJBkqs.woff

89 ms

JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R9WXh0oA.woff

JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R9WXh0oA.woff

87 ms

Accessibility Review

derbyacademy.org accessibility score

90

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

derbyacademy.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

derbyacademy.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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Derbyacademy.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 Derbyacademy.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

derbyacademy.org

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