Tools & Wizards About Us
charlesinstitute.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

charlesinstitute.com

AHA Certified ACLS BLS Courses | Best Training Center | Charles Institute

Page Load Speed

9.2 sec in total

First Response

2.1 sec

Resources Loaded

5.9 sec

Page Rendered

1.2 sec

charlesinstitute.com screenshot

About Website

Visit charlesinstitute.com now to see the best up-to-date Charles Institute content and also check out these interesting facts you probably never knew about charlesinstitute.com

Best training Center for AHA Certified ACLS BLS PALS Courses in Mumbai | Pune | Kollam | Thiruvalla | Trivandrum | AED CPR BLS ACLS training

Visit charlesinstitute.com

Key Findings

We analyzed Charlesinstitute.com page load time and found that the first response time was 2.1 sec and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

charlesinstitute.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.2 s

0/100

25%

SI (Speed Index)

Value16.5 s

0/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.071

96/100

15%

TTI (Time to Interactive)

Value32.2 s

0/100

10%

Network Requests Diagram

charlesinstitute.com

2085 ms

frontend.css

197 ms

premium-addons.min.css

497 ms

cf7-builder.css

300 ms

font-awesome.min.css

301 ms

Our browser made a total of 142 requests to load all elements on the main page. We found that 79% of them (112 requests) were addressed to the original Charlesinstitute.com, 12% (17 requests) were made to Fonts.gstatic.com and 4% (5 requests) were made to Lh3.googleusercontent.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Charlesinstitute.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 340.0 kB (8%)

Content Size

4.2 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Charlesinstitute.com main page is 4.2 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. 75% 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 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 157.8 kB

  • Original 182.4 kB
  • After minification 172.5 kB
  • After compression 24.6 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 157.8 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 103.3 kB

  • Original 3.4 MB
  • After minification 3.3 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. Charles Institute images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 22.8 kB

  • Original 365.0 kB
  • After minification 365.0 kB
  • After compression 342.3 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

-20%

Potential reduce by 56.1 kB

  • Original 283.0 kB
  • After minification 254.4 kB
  • After compression 226.9 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. Charlesinstitute.com needs all CSS files to be minified and compressed as it can save up to 56.1 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 89 (74%)

Requests Now

120

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Charles Institute. 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 55 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

charlesinstitute.com

charlesinstitute.com

2085 ms

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Accessibility Review

charlesinstitute.com accessibility score

96

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

Best Practices

charlesinstitute.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

charlesinstitute.com SEO score

79

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

High

robots.txt is not valid

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

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 Charlesinstitute.com 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 Charlesinstitute.com 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

charlesinstitute.com

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