Tools & Wizards About Us

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

arrowsmithschool.org

Home | Arrowsmith

Page Load Speed

2.2 sec in total

First Response

164 ms

Resources Loaded

1 sec

Page Rendered

976 ms

About Website

Click here to check amazing Arrowsmith School content for Canada. Otherwise, check out these important facts you probably never knew about arrowsmithschool.org

The Arrowsmith Program is grounded in research. Learn how we use neuroplasticity and cognitive enhancement to change the brain and improve lives.

Visit arrowsmithschool.org

Key Findings

We analyzed Arrowsmithschool.org page load time and found that the first response time was 164 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

arrowsmithschool.org performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value3,090 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.29

41/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

www.arrowsmith.ca

164 ms

module_111746408859_SR_Navigation_01.css

70 ms

module_98315329311_Two_Col_04.min.css

51 ms

module_114094959009_AS_Tabs_01.min.css

56 ms

module_98315329306_Two_Col_03.min.css

60 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Arrowsmithschool.org, 5% (3 requests) were made to 7385497.fs1.hubspotusercontent-na1.net and 5% (3 requests) were made to Cdn.userway.org. The less responsive or slowest element that took the longest time to load (489 ms) relates to the external source Arrowsmith.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 190.1 kB (16%)

Content Size

1.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Arrowsmithschool.org main page is 1.2 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. 45% of websites need less resources to load. Images take 878.2 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 178.8 kB

  • Original 206.6 kB
  • After minification 184.2 kB
  • After compression 27.8 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 22.4 kB, which is 11% 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 178.8 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 2.9 kB

  • Original 878.2 kB
  • After minification 875.3 kB

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. Arrowsmith School images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 7.0 kB

  • Original 120.5 kB
  • After minification 120.5 kB
  • After compression 113.4 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

-16%

Potential reduce by 1.4 kB

  • Original 8.4 kB
  • After minification 8.4 kB
  • After compression 7.0 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. Arrowsmithschool.org needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (47%)

Requests Now

62

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arrowsmith School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

arrowsmithschool.org accessibility score

74

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

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

High

[role]s are not contained by their required parent element

High

ARIA IDs are not unique

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

arrowsmithschool.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

SEO Factors

arrowsmithschool.org SEO score

93

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

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 Arrowsmithschool.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 Arrowsmithschool.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 data is detected on the main page of Arrowsmith School. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: