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schoolofcode.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

schoolofcode.com

School of Code - Free Coding Bootcamp For Everyone | School of Code

Page Load Speed

3.3 sec in total

First Response

212 ms

Resources Loaded

2.7 sec

Page Rendered

359 ms

schoolofcode.com screenshot

About Website

Click here to check amazing School Of Code content. Otherwise, check out these important facts you probably never knew about schoolofcode.com

School of Code aims to get more and different types of people into tech. We run a free 16-week coding bootcamp open to everyone, and we have an online collaborative coding platform that makes learning...

Visit schoolofcode.com

Key Findings

We analyzed Schoolofcode.com page load time and found that the first response time was 212 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

schoolofcode.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value1,840 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

schoolofcode.com

212 ms

schoolofcode.com

418 ms

www.schoolofcode.com

278 ms

css

85 ms

email-decode.min.js

11 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 40% of them (17 requests) were addressed to the original Schoolofcode.com, 19% (8 requests) were made to D33wubrfki0l68.cloudfront.net and 14% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (654 ms) belongs to the original domain Schoolofcode.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 508.7 kB (21%)

Content Size

2.4 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Schoolofcode.com main page is 2.4 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 67.4 kB

  • Original 90.1 kB
  • After minification 90.1 kB
  • After compression 22.7 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 67.4 kB or 75% of the original size.

Image Optimization

-6%

Potential reduce by 105.2 kB

  • Original 1.8 MB
  • After minification 1.7 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. School Of Code images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 24.4 kB

  • Original 73.1 kB
  • After minification 73.1 kB
  • After compression 48.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 24.4 kB or 33% of the original size.

CSS Optimization

-85%

Potential reduce by 311.7 kB

  • Original 368.8 kB
  • After minification 368.6 kB
  • After compression 57.1 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. Schoolofcode.com needs all CSS files to be minified and compressed as it can save up to 311.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (37%)

Requests Now

38

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of School Of Code. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

schoolofcode.com

schoolofcode.com

212 ms

schoolofcode.com

schoolofcode.com

418 ms

www.schoolofcode.com

www.schoolofcode.com

278 ms

css

css

85 ms

email-decode.min.js

email-decode.min.js

11 ms

polyfill-a02570a256af19808a06.js

polyfill-a02570a256af19808a06.js

105 ms

e5797126cc3315536a1b63300789d2d6d5bb4f7d.js

e5797126cc3315536a1b63300789d2d6d5bb4f7d.js

134 ms

fbevents.js

fbevents.js

268 ms

gtm.js

gtm.js

325 ms

mvg3TDzaAHo

mvg3TDzaAHo

536 ms

analytics.js

analytics.js

318 ms

logo-51c754388b198e5bbb0d08a971ebbfa2.png

logo-51c754388b198e5bbb0d08a971ebbfa2.png

212 ms

dark_blobs-c22eb5b531c14020f4619332085d52e9.png

dark_blobs-c22eb5b531c14020f4619332085d52e9.png

242 ms

moon-792b06c46677c0d56dea368e48e11e60.png

moon-792b06c46677c0d56dea368e48e11e60.png

242 ms

planet_soc-936d90fa66f241adff76225618c37d0f.png

planet_soc-936d90fa66f241adff76225618c37d0f.png

314 ms

astronaut-2-37e4eba08e8d8534a214c4ebe2f1b2b1.png

astronaut-2-37e4eba08e8d8534a214c4ebe2f1b2b1.png

243 ms

dfe_funding-121d373c1a15742dc8bb8123bccb3a0f.jpg

dfe_funding-121d373c1a15742dc8bb8123bccb3a0f.jpg

314 ms

app-data.json

app-data.json

167 ms

page-data.json

page-data.json

173 ms

809374759780676

809374759780676

238 ms

1281477867.json

1281477867.json

222 ms

63159454.json

63159454.json

209 ms

www-player.css

www-player.css

101 ms

www-embed-player.js

www-embed-player.js

228 ms

base.js

base.js

369 ms

fetch-polyfill.js

fetch-polyfill.js

294 ms

stars.png

stars.png

654 ms

page-data.json

page-data.json

172 ms

page-data.json

page-data.json

626 ms

page-data.json

page-data.json

627 ms

embed.js

embed.js

622 ms

plan_for_jobs_blue.png

plan_for_jobs_blue.png

527 ms

transformation.png

transformation.png

526 ms

announcement.png

announcement.png

526 ms

collect

collect

272 ms

component---src-pages-course-js-f780f3ec216e17c06cee.js

component---src-pages-course-js-f780f3ec216e17c06cee.js

558 ms

ad_status.js

ad_status.js

343 ms

Y-zeT9jJ33tCNYTX0Kw8-3I-ogsAM9wZgys9W8554e8.js

Y-zeT9jJ33tCNYTX0Kw8-3I-ogsAM9wZgys9W8554e8.js

293 ms

embed.js

embed.js

155 ms

page-data.json

page-data.json

150 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

117 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

130 ms

id

id

60 ms

Accessibility Review

schoolofcode.com accessibility score

92

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.

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

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

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

schoolofcode.com 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

schoolofcode.com 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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schoolofcode.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 Schoolofcode.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

schoolofcode.com

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