Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

arrowsmithschool.org

Home | Arrowsmith

Page Load Speed

3.2 sec in total

First Response

251 ms

Resources Loaded

2.5 sec

Page Rendered

416 ms

arrowsmithschool.org screenshot

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 251 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

arrowsmithschool.org performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value1,340 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.447

20/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

arrowsmithschool.org

251 ms

p7DMM01.css

73 ms

p7affinity-1_05.css

156 ms

css

131 ms

p7EHCscripts.js

153 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 61% of them (25 requests) were addressed to the original Arrowsmithschool.org, 24% (10 requests) were made to Google.com and 7% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Arrowsmithschool.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 295.9 kB (38%)

Content Size

784.6 kB

After Optimization

488.7 kB

In fact, the total size of Arrowsmithschool.org main page is 784.6 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. 25% of websites need less resources to load. Images take 363.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 26.7 kB

  • Original 35.4 kB
  • After minification 33.2 kB
  • After compression 8.7 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 26.7 kB or 75% of the original size.

Image Optimization

-7%

Potential reduce by 25.2 kB

  • Original 363.6 kB
  • After minification 338.4 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

-59%

Potential reduce by 189.5 kB

  • Original 319.6 kB
  • After minification 301.1 kB
  • After compression 130.1 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 189.5 kB or 59% of the original size.

CSS Optimization

-83%

Potential reduce by 54.5 kB

  • Original 66.0 kB
  • After minification 49.0 kB
  • After compression 11.4 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. Arrowsmithschool.org needs all CSS files to be minified and compressed as it can save up to 54.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (61%)

Requests Now

38

After Optimization

15

The browser has sent 38 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 10 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

arrowsmithschool.org accessibility score

72

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

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

arrowsmithschool.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

arrowsmithschool.org SEO score

97

Search Engine Optimization Advices

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

    N/A

  • 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 neither this language nor any other was claimed in <html> or <meta> tags. 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 description is not detected on the main page of Arrowsmith School. 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: