Tools & Wizards About Us
rsi.edu screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% 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

  • 86

    SEO

    Google-friendlier than
    60% of websites

rsi.edu

Trade School in Arizona | Refrigeration School, Inc. (RSI)

Page Load Speed

4.2 sec in total

First Response

55 ms

Resources Loaded

3.4 sec

Page Rendered

710 ms

rsi.edu screenshot

About Website

Visit rsi.edu now to see the best up-to-date RSI content for United States and also check out these interesting facts you probably never knew about rsi.edu

The Refrigeration School, Inc. provides HVAC & Refrigeration and Electrical & Mechanical Technologies training programs. Start your career journey!

Visit rsi.edu

Key Findings

We analyzed Rsi.edu page load time and found that the first response time was 55 ms 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

rsi.edu performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value6,980 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.556

13/100

15%

TTI (Time to Interactive)

Value21.2 s

1/100

10%

Network Requests Diagram

www.rsi.edu

55 ms

www.rsi.edu

340 ms

gtm.js

69 ms

wp-emoji-release.min.js

76 ms

index.css

71 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 79% of them (99 requests) were addressed to the original Rsi.edu, 2% (3 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Tools.luckyorange.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Rsi.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 644.3 kB (11%)

Content Size

6.0 MB

After Optimization

5.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rsi.edu main page is 6.0 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 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 624.4 kB

  • Original 840.0 kB
  • After minification 792.8 kB
  • After compression 215.6 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 624.4 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 16.4 kB

  • Original 4.1 MB
  • After minification 4.1 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. RSI images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 2.8 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 1.0 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

-1%

Potential reduce by 638 B

  • Original 56.7 kB
  • After minification 56.7 kB
  • After compression 56.0 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. Rsi.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 63 (57%)

Requests Now

111

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RSI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 29 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.rsi.edu

www.rsi.edu

55 ms

www.rsi.edu

www.rsi.edu

340 ms

gtm.js

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69 ms

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76 ms

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71 ms

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151 ms

PhoneReplacer.js

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collect

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44 ms

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26 ms

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96 ms

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956 ms

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Accessibility Review

rsi.edu accessibility score

76

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

Buttons do not have an accessible name

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

Best Practices

rsi.edu 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

rsi.edu SEO score

86

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

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 doesn't use legible font sizes

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 Rsi.edu 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 Rsi.edu 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

rsi.edu

Open Graph data is detected on the main page of RSI. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: