Tools & Wizards About Us
learncomputerscienceonline.com screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    84% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

learncomputerscienceonline.com

Learn Computer Science | Free Computer Science Education Online

Page Load Speed

4.7 sec in total

First Response

381 ms

Resources Loaded

1.9 sec

Page Rendered

2.5 sec

learncomputerscienceonline.com screenshot

About Website

Visit learncomputerscienceonline.com now to see the best up-to-date Learn Computer Science Online content for India and also check out these interesting facts you probably never knew about learncomputerscienceonline.com

Learn Computer Science Online. Learn Free computer science education online. Get Free Computer Sciences Courses. Computer Fundamentals.

Visit learncomputerscienceonline.com

Key Findings

We analyzed Learncomputerscienceonline.com page load time and found that the first response time was 381 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

learncomputerscienceonline.com performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

www.learncomputerscienceonline.com

381 ms

autoptimize_single_14eb3f18e29cc55930d6f25326c13744.css

64 ms

autoptimize_single_c28c5547f87f41a9ad0b70be10cbd9e5.css

118 ms

autoptimize_single_e70a5fa5e4578d58de3029dad022b220.css

157 ms

autoptimize_single_077c2b222320b7d2712117e20868ad38.css

161 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 87% of them (52 requests) were addressed to the original Learncomputerscienceonline.com, 10% (6 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (454 ms) belongs to the original domain Learncomputerscienceonline.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 977.2 kB (24%)

Content Size

4.1 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Learncomputerscienceonline.com main page is 4.1 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. 60% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 713.2 kB

  • Original 842.1 kB
  • After minification 833.3 kB
  • After compression 128.9 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 713.2 kB or 85% of the original size.

Image Optimization

-8%

Potential reduce by 263.5 kB

  • Original 3.2 MB
  • After minification 3.0 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. Learn Computer Science Online images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 453 B

  • Original 5.4 kB
  • After minification 5.4 kB
  • After compression 5.0 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.

Requests Breakdown

Number of requests can be reduced by 5 (10%)

Requests Now

50

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learn Computer Science Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.learncomputerscienceonline.com

www.learncomputerscienceonline.com

381 ms

autoptimize_single_14eb3f18e29cc55930d6f25326c13744.css

autoptimize_single_14eb3f18e29cc55930d6f25326c13744.css

64 ms

autoptimize_single_c28c5547f87f41a9ad0b70be10cbd9e5.css

autoptimize_single_c28c5547f87f41a9ad0b70be10cbd9e5.css

118 ms

autoptimize_single_e70a5fa5e4578d58de3029dad022b220.css

autoptimize_single_e70a5fa5e4578d58de3029dad022b220.css

157 ms

autoptimize_single_077c2b222320b7d2712117e20868ad38.css

autoptimize_single_077c2b222320b7d2712117e20868ad38.css

161 ms

autoptimize_single_ab289969250739f697b6ad4d6594838d.css

autoptimize_single_ab289969250739f697b6ad4d6594838d.css

158 ms

front-end-free.js

front-end-free.js

227 ms

lazyload.min.js

lazyload.min.js

219 ms

webfont.js

webfont.js

93 ms

generatepress.woff

generatepress.woff

59 ms

css

css

51 ms

fa-solid-900.woff

fa-solid-900.woff

135 ms

fa-regular-400.woff

fa-regular-400.woff

103 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

64 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

127 ms

KFOlCnqEu92Fr1MmSU5fBBc-.woff

KFOlCnqEu92Fr1MmSU5fBBc-.woff

174 ms

KFOkCnqEu92Fr1MmgVxIIzQ.woff

KFOkCnqEu92Fr1MmgVxIIzQ.woff

175 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

175 ms

KFOlCnqEu92Fr1MmYUtfBBc-.woff

KFOlCnqEu92Fr1MmYUtfBBc-.woff

176 ms

cropped-Learn-Computer-Science-Site-Icon-LCSO.png

cropped-Learn-Computer-Science-Site-Icon-LCSO.png

122 ms

Learn-Computer-Science-.jpg

Learn-Computer-Science-.jpg

149 ms

Learn-Computer-Science.jpg

Learn-Computer-Science.jpg

118 ms

What-is-computer-science.jpg

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117 ms

Computer-Science-Jobs.jpg

Computer-Science-Jobs.jpg

169 ms

Learn-Computer-Science-And-Job-Market.jpg

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148 ms

Theoretical-Computer-Science-1.jpg

Theoretical-Computer-Science-1.jpg

149 ms

Applied-Computer-Science-1.jpg

Applied-Computer-Science-1.jpg

228 ms

Computer-Science-Degree-University-Credit-Points.jpg

Computer-Science-Degree-University-Credit-Points.jpg

226 ms

Database-1024x276.jpg

Database-1024x276.jpg

174 ms

How-to-Learn-Programming.jpg

How-to-Learn-Programming.jpg

184 ms

Software-Engineering.jpg

Software-Engineering.jpg

183 ms

Full-Stack-Developer-Web-Application-Architecture.jpg

Full-Stack-Developer-Web-Application-Architecture.jpg

279 ms

Web-Design-And-Development-Course.jpg

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234 ms

What-Is-RDBMS.jpg

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237 ms

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239 ms

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297 ms

Computer-Engineering-.jpg

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330 ms

Android-Development-1-2.jpg

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289 ms

History-Of-Java-Java-History-Java-Versions.jpg

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295 ms

Java-Programming-Basics-1-1.jpg

Java-Programming-Basics-1-1.jpg

292 ms

Computer-Science-Course-Online.jpg

Computer-Science-Course-Online.jpg

332 ms

Best-Seller-Computer-Science-Course.jpg

Best-Seller-Computer-Science-Course.jpg

343 ms

Best-Database-Design-Course-Online-.jpg

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345 ms

loader.gif

loader.gif

349 ms

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351 ms

Database-Management-System-Tutorial-.png

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385 ms

Computer-Science-Salary-1.jpg

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388 ms

SDLC-Software-Development-Life-Cycle.jpg

SDLC-Software-Development-Life-Cycle.jpg

399 ms

What-Is-CPU.jpg

What-Is-CPU.jpg

399 ms

Why-Computer-Use-Binary-Number-System-.jpg

Why-Computer-Use-Binary-Number-System-.jpg

405 ms

What-Is-Machine-Cycle.jpg

What-Is-Machine-Cycle.jpg

406 ms

What-Is-Computer-Program.jpg

What-Is-Computer-Program.jpg

438 ms

What-Is-Machine-Learning.jpg

What-Is-Machine-Learning.jpg

443 ms

What-Is-Web-Hosting-1-1.jpg

What-Is-Web-Hosting-1-1.jpg

452 ms

Full-Stack-Developer.jpg

Full-Stack-Developer.jpg

454 ms

How-To-Create-A-Blog.jpg

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350 ms

How-To-Make-Website-Create-A-Website.jpg

How-To-Make-Website-Create-A-Website.jpg

350 ms

Software-Engineering-Skills-.jpg

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382 ms

Computer-Science-Fields-Of-Study.jpg

Computer-Science-Fields-Of-Study.jpg

358 ms

Learn-To-Code-1-1.jpg

Learn-To-Code-1-1.jpg

373 ms

Accessibility Review

learncomputerscienceonline.com accessibility score

94

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

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

<object> elements do not have alternate text

Best Practices

learncomputerscienceonline.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

SEO Factors

learncomputerscienceonline.com SEO score

93

Search Engine Optimization Advices

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

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 Learncomputerscienceonline.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 Learncomputerscienceonline.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

learncomputerscienceonline.com

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