Access abrsm.org. Homepage

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value31.2 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value6,050 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value26.3 s

0/100

10%

abrsm.org

60 ms

www.abrsm.org

174 ms

en-us

192 ms

core.css

36 ms

controlgroup.css

42 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 96% of them (110 requests) were addressed to the original Abrsm.org, 1% (1 request) were made to Cdnjs.cloudflare.com and 1% (1 request) were made to Cdn.botframework.com. The less responsive or slowest element that took the longest time to load (430 ms) relates to the external source Cdn.jsdelivr.net.

Content Size

5.7 MB

After Optimization

5.2 MB

In fact, the total size of Abrsm.org main page is 5.7 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. Only a small number of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 270.5 kB

Original 304.0 kB
After minification 234.6 kB
After compression 33.5 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 69.5 kB, which is 23% 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 270.5 kB or 89% of the original size.

Image Optimization

-6%

Potential reduce by 267.8 kB

Original 4.2 MB
After minification 4.0 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. ABRSM images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 32 B

Original 1.1 MB
After minification 1.1 MB
After compression 1.1 MB

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

-6%

Potential reduce by 4.4 kB

Original 75.0 kB
After minification 73.9 kB
After compression 70.6 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. Abrsm.org has all CSS files already compressed.

Requests Now

105

After Optimization

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ABRSM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 45 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

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 Abrsm.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 Abrsm.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

abrsm.org

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Homepage | ABRSM

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

abrsm.org

www.abrsm.org

en-us

core.css

controlgroup.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

abrsm.org

www.abrsm.org

en-us

core.css

controlgroup.css

checkboxradio.css

resizable.css

button.css

dialog.css

ajax-progress.module.css

align.module.css

autocomplete-loading.module.css

fieldgroup.module.css

container-inline.module.css

clearfix.module.css

details.module.css

hidden.module.css

item-list.module.css

js.module.css

nowrap.module.css

position-container.module.css

progress.module.css

reset-appearance.module.css

resize.module.css

sticky-header.module.css

system-status-counter.css

system-status-report-counters.css

system-status-report-general-info.css

tabledrag.module.css

tablesort.module.css

tree-child.module.css

select2.min.css

views.module.css

oembed.formatter.css

all.min.css

ckeditor5.dialog.fix.css

theme.css

responsive_menu.css

mmenu.css

webchat.js

cdn.min.js

mmenu.bootstrap.css

social_media_links.theme.css