Tools & Wizards About Us
digital.nelson.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

digital.nelson.com

Digital Learning Tools & Print Resources for K-12 Educators in Canada | Nelson

Page Load Speed

2.3 sec in total

First Response

73 ms

Resources Loaded

1.8 sec

Page Rendered

448 ms

digital.nelson.com screenshot

About Website

Click here to check amazing Digital Nelson content for Canada. Otherwise, check out these important facts you probably never knew about digital.nelson.com

Workbooks, textbooks, teacher resources, kits, ebooks, webinars, and other digital learning tools across math, science, social studies, literacy, professional learning, and psychoeducational assessmen...

Visit digital.nelson.com

Key Findings

We analyzed Digital.nelson.com page load time and found that the first response time was 73 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

digital.nelson.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value17.2 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.163

72/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

digital.nelson.com

73 ms

digital.nelson.com

99 ms

school.nelson.com

514 ms

bootstrap.min.css

87 ms

animate.min.css

97 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Digital.nelson.com, 34% (19 requests) were made to Cdn11.bigcommerce.com and 9% (5 requests) were made to Prodstore.nelsontechdev.com. The less responsive or slowest element that took the longest time to load (523 ms) relates to the external source School.nelson.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 410.5 kB (11%)

Content Size

3.9 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Digital.nelson.com main page is 3.9 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. 70% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 191.8 kB

  • Original 232.6 kB
  • After minification 183.9 kB
  • After compression 40.8 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. This page needs HTML code to be minified as it can gain 48.7 kB, which is 21% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 191.8 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 3.3 MB
  • After minification 3.3 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. Digital Nelson images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 218.7 kB

  • Original 311.9 kB
  • After minification 217.3 kB
  • After compression 93.2 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 218.7 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (48%)

Requests Now

48

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Digital Nelson. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

digital.nelson.com

digital.nelson.com

73 ms

digital.nelson.com

digital.nelson.com

99 ms

school.nelson.com

school.nelson.com

514 ms

bootstrap.min.css

bootstrap.min.css

87 ms

animate.min.css

animate.min.css

97 ms

icon

icon

104 ms

theme-e010c660-70e8-013c-2fcd-2aee00577d63.css

theme-e010c660-70e8-013c-2fcd-2aee00577d63.css

106 ms

css

css

123 ms

modernizr-custom.js

modernizr-custom.js

102 ms

jquery.min.js

jquery.min.js

94 ms

59553136e35a1

59553136e35a1

221 ms

acp-magento.js

acp-magento.js

124 ms

google_analytics4-9a468da7c21d2e9e41cd445d567f3f3a5a9b6759.js

google_analytics4-9a468da7c21d2e9e41cd445d567f3f3a5a9b6759.js

115 ms

fast-simon-autocomplete-init.umd.js

fast-simon-autocomplete-init.umd.js

365 ms

index.js

index.js

120 ms

theme-bundle.js

theme-bundle.js

114 ms

csrf-protection-header-5eeddd5de78d98d146ef4fd71b2aedce4161903e.js

csrf-protection-header-5eeddd5de78d98d146ef4fd71b2aedce4161903e.js

114 ms

visitor_stencil.js

visitor_stencil.js

108 ms

css

css

36 ms

index

index

238 ms

index.php

index.php

389 ms

selectors

selectors

392 ms

gtm.js

gtm.js

234 ms

fbevents.js

fbevents.js

135 ms

nelson-logo_1691603694__09772.original.png

nelson-logo_1691603694__09772.original.png

130 ms

edwinheader.png

edwinheader.png

325 ms

web_banner_easycbm4__32524.png

web_banner_easycbm4__32524.png

402 ms

ready_to_teach_banner3-1.png

ready_to_teach_banner3-1.png

348 ms

my_math_path_1-8_student_workbooks__70793.png

my_math_path_1-8_student_workbooks__70793.png

348 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

251 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

324 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

366 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

402 ms

flUhRq6tzZclQEJ-Vdg-IuiaDsNZ.ttf

flUhRq6tzZclQEJ-Vdg-IuiaDsNZ.ttf

398 ms

i9k7ehwwv9

i9k7ehwwv9

405 ms

cookie-notification

cookie-notification

257 ms

index.php

index.php

523 ms

productRestriction

productRestriction

198 ms

1376348069362276

1376348069362276

165 ms

product-edwin-hero-03.jpg

product-edwin-hero-03.jpg

182 ms

literacy-banner.jpg

literacy-banner.jpg

180 ms

math-3.jpg

math-3.jpg

181 ms

science.jpg

science.jpg

198 ms

social.jpg

social.jpg

199 ms

professional-learning-cover.png

professional-learning-cover.png

220 ms

underthesun.jpg

underthesun.jpg

197 ms

assessment-image.jpg

assessment-image.jpg

197 ms

analytics.js

analytics.js

120 ms

cart.php

cart.php

340 ms

nobot

nobot

92 ms

collect

collect

15 ms

js

js

56 ms

clarity.js

clarity.js

16 ms

pd.js

pd.js

25 ms

analytics

analytics

196 ms

c.gif

c.gif

8 ms

Accessibility Review

digital.nelson.com accessibility score

78

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-hidden="true"] elements contain focusable descendents

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

Form elements do not have associated labels

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

digital.nelson.com 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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

digital.nelson.com SEO score

75

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Digital.nelson.com 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 Digital.nelson.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

digital.nelson.com

Open Graph description is not detected on the main page of Digital Nelson. 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: