Tools & Wizards About Us

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

course.adarrc.org

Home - AdARRC

Page Load Speed

20.3 sec in total

First Response

36 ms

Resources Loaded

13.2 sec

Page Rendered

7.1 sec

About Website

Welcome to course.adarrc.org homepage info - get ready to check Course AdARRC best content right away, or after learning these important things about course.adarrc.org

Established in 2011, Advanced Academic Rheumatology Review Course (ADARRC) is an independent and the largest Rheumatology Review Course that provides the most comprehensive and intensive course in the...

Visit course.adarrc.org

Key Findings

We analyzed Course.adarrc.org page load time and found that the first response time was 36 ms and then it took 20.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

course.adarrc.org performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value18.3 s

0/100

25%

SI (Speed Index)

Value19.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.154

75/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

course.adarrc.org

36 ms

www.adarrc.org

2881 ms

wp-emoji-release.min.js

467 ms

layerslider.css

715 ms

swiper.css

720 ms

Our browser made a total of 272 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Course.adarrc.org, 60% (163 requests) were made to Adarrc.org and 28% (77 requests) were made to Fonts.bunny.net. The less responsive or slowest element that took the longest time to load (2.9 sec) relates to the external source Adarrc.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 443.8 kB (5%)

Content Size

8.4 MB

After Optimization

7.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Course.adarrc.org main page is 8.4 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. 80% 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 6.8 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 226.8 kB

  • Original 266.2 kB
  • After minification 262.2 kB
  • After compression 39.5 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. 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 226.8 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 118.7 kB

  • Original 6.8 MB
  • After minification 6.6 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. Course AdARRC images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 91.0 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 969.3 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

-3%

Potential reduce by 7.3 kB

  • Original 291.0 kB
  • After minification 290.9 kB
  • After compression 283.7 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. Course.adarrc.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 142 (79%)

Requests Now

179

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 179 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Course AdARRC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 113 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

course.adarrc.org accessibility score

76

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

course.adarrc.org 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

course.adarrc.org SEO score

77

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

High

Image elements do not have [alt] attributes

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 Course.adarrc.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 Course.adarrc.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 Course AdARRC. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: