Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

rbh.hdsb.ca

Robert Bateman High School

Page Load Speed

5.4 sec in total

First Response

1.3 sec

Resources Loaded

3.7 sec

Page Rendered

401 ms

rbh.hdsb.ca screenshot

About Website

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

Robert Bateman High School

Visit rbh.hdsb.ca

Key Findings

We analyzed Rbh.hdsb.ca page load time and found that the first response time was 1.3 sec and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

rbh.hdsb.ca performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value2,090 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

rbh.hdsb.ca

1342 ms

standard-css-lavenderpanel-ltr-ltr.css

11 ms

overlay.css

245 ms

allthemes-view.css

219 ms

jot_min_view__en.js

17 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 9% of them (11 requests) were addressed to the original Rbh.hdsb.ca, 24% (29 requests) were made to Pbs.twimg.com and 8% (10 requests) were made to Lh4.googleusercontent.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Rbh.hdsb.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 996.3 kB (12%)

Content Size

8.5 MB

After Optimization

7.5 MB

In fact, the total size of Rbh.hdsb.ca main page is 8.5 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. 85% 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. Images take 7.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 38.0 kB

  • Original 48.4 kB
  • After minification 48.4 kB
  • After compression 10.4 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 38.0 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 174.4 kB

  • Original 7.4 MB
  • After minification 7.2 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. Rbh Hdsb images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 166.2 kB

  • Original 344.9 kB
  • After minification 344.8 kB
  • After compression 178.6 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 166.2 kB or 48% of the original size.

CSS Optimization

-85%

Potential reduce by 617.7 kB

  • Original 728.5 kB
  • After minification 726.1 kB
  • After compression 110.8 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. Rbh.hdsb.ca needs all CSS files to be minified and compressed as it can save up to 617.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (38%)

Requests Now

118

After Optimization

73

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rbh Hdsb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rbh.hdsb.ca accessibility score

91

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

rbh.hdsb.ca best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

rbh.hdsb.ca SEO score

75

Search Engine Optimization Advices

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 Rbh.hdsb.ca 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 Rbh.hdsb.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 data is detected on the main page of Rbh Hdsb. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: