Tools & Wizards About Us

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

coursereport-production-herokuapp-com.global.ssl.fastly.net

Compare The Best Coding Bootcamps of 2023 | Course Report

Page Load Speed

1.8 sec in total

First Response

324 ms

Resources Loaded

567 ms

Page Rendered

953 ms

About Website

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Key Findings

We analyzed Coursereport-production-herokuapp-com.global.ssl.fastly.net page load time and found that the first response time was 324 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

coursereport-production-herokuapp-com.global.ssl.fastly.net performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

coursereport-production-herokuapp-com.global.ssl.fastly.net

324 ms

vendors~application-5bc77ca8.chunk.css

45 ms

application-70b4bafb.chunk.css

28 ms

runtime~application-3e70846599c89608f7e0.js

33 ms

vendors~application-2daa905d15916623b5ae.chunk.js

71 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 49% of them (20 requests) were addressed to the original Coursereport-production-herokuapp-com.global.ssl.fastly.net, 51% (21 requests) were made to Coursereport-production.imgix.net. The less responsive or slowest element that took the longest time to load (324 ms) belongs to the original domain Coursereport-production-herokuapp-com.global.ssl.fastly.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.8 kB (34%)

Content Size

441.5 kB

After Optimization

291.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Coursereport-production-herokuapp-com.global.ssl.fastly.net main page is 441.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. HTML takes 184.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 141.9 kB

  • Original 184.3 kB
  • After minification 184.3 kB
  • After compression 42.4 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 141.9 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 7.2 kB

  • Original 172.0 kB
  • After minification 164.8 kB

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 Report Productionherokuappcom Global Ssl Fastly images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 63.8 kB
  • After minification 63.8 kB
  • After compression 63.8 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 717 B

  • Original 21.4 kB
  • After minification 21.4 kB
  • After compression 20.7 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. Coursereport-production-herokuapp-com.global.ssl.fastly.net has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

40

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Course Report Productionherokuappcom Global Ssl Fastly. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

coursereport-production-herokuapp-com.global.ssl.fastly.net accessibility score

83

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

[aria-*] attributes do not match their roles

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.

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

coursereport-production-herokuapp-com.global.ssl.fastly.net best practices score

92

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

Page has valid source maps

SEO Factors

coursereport-production-herokuapp-com.global.ssl.fastly.net SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coursereport-production-herokuapp-com.global.ssl.fastly.net 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 Coursereport-production-herokuapp-com.global.ssl.fastly.net 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 Report Productionherokuappcom Global Ssl Fastly. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: