Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

sja.ca

Saving Lives at Work, Home and Play | St. John Ambulance

Page Load Speed

1.4 sec in total

First Response

17 ms

Resources Loaded

648 ms

Page Rendered

784 ms

sja.ca screenshot

About Website

Visit sja.ca now to see the best up-to-date Sja content for Canada and also check out these interesting facts you probably never knew about sja.ca

As Canadian’s leading first aid charity, St. John Ambulance empowers all Canadians to save lives by providing first aid training, supplies, and event support, running volunteer programs and organizing...

Visit sja.ca

Key Findings

We analyzed Sja.ca page load time and found that the first response time was 17 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

sja.ca performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

43/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value8,340 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value34.0 s

0/100

10%

Network Requests Diagram

sja.ca

17 ms

sja.ca

25 ms

en

33 ms

addresscomplete-2.40.min.css

241 ms

css_sNM0KqzW3pxNh4ag-Jwfb9xJ_YBsfccNxxSvo5Fi3jU.css

14 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 84% of them (52 requests) were addressed to the original Sja.ca, 5% (3 requests) were made to Static.addtoany.com and 3% (2 requests) were made to Ws1.postescanada-canadapost.ca. The less responsive or slowest element that took the longest time to load (241 ms) relates to the external source Ws1.postescanada-canadapost.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 276.6 kB (21%)

Content Size

1.3 MB

After Optimization

1.0 MB

In fact, the total size of Sja.ca main page is 1.3 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. 55% of websites need less resources to load. Images take 928.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 77.6 kB

  • Original 95.2 kB
  • After minification 86.8 kB
  • After compression 17.6 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 77.6 kB or 81% of the original size.

Image Optimization

-16%

Potential reduce by 145.5 kB

  • Original 928.2 kB
  • After minification 782.7 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. Obviously, Sja needs image optimization as it can save up to 145.5 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 21.4 kB

  • Original 173.1 kB
  • After minification 173.1 kB
  • After compression 151.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 21.4 kB or 12% of the original size.

CSS Optimization

-26%

Potential reduce by 32.2 kB

  • Original 123.5 kB
  • After minification 123.5 kB
  • After compression 91.2 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. Sja.ca needs all CSS files to be minified and compressed as it can save up to 32.2 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (53%)

Requests Now

59

After Optimization

28

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sja. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sja.ca accessibility score

80

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

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

sja.ca best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

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

sja.ca SEO score

84

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

High

Tap targets are not sized appropriately

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 Sja.ca 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 Sja.ca 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 Sja. 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: