Tools & Wizards About Us
classnotes.com.ng screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

classnotes.com.ng

JSS1 - SS3 Comprehensive Class Notes for All Subjects - Home | ClassNotes

Page Load Speed

6.6 sec in total

First Response

1.7 sec

Resources Loaded

3.8 sec

Page Rendered

1.1 sec

classnotes.com.ng screenshot

About Website

Visit classnotes.com.ng now to see the best up-to-date Class Notes content and also check out these interesting facts you probably never knew about classnotes.com.ng

Get comprehensive and high-quality class notes on a wide range of subjects at ClassNotes.com.ng. Our platform offers in-depth and well-organized notes that will help you excel in your studies. Explore...

Visit classnotes.com.ng

Key Findings

We analyzed Classnotes.com.ng page load time and found that the first response time was 1.7 sec and then it took 4.9 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

classnotes.com.ng performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

48/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value3,190 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.231

54/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

classnotes.com.ng

1745 ms

css

43 ms

owl.carousel.css

55 ms

fontawesome-all.css

50 ms

flaticon.css

53 ms

Our browser made a total of 136 requests to load all elements on the main page. We found that 21% of them (28 requests) were addressed to the original Classnotes.com.ng, 74% (101 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Classnotes.com.ng.

Page Optimization Overview & Recommendations

Page size can be reduced by 74.0 kB (19%)

Content Size

380.8 kB

After Optimization

306.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Classnotes.com.ng main page is 380.8 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. 65% of websites need less resources to load. Images take 182.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 69.8 kB

  • Original 87.3 kB
  • After minification 87.3 kB
  • After compression 17.5 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 69.8 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 3.6 kB

  • Original 182.4 kB
  • After minification 178.8 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. Class Notes images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 76 B

  • Original 33.7 kB
  • After minification 33.7 kB
  • After compression 33.6 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

-1%

Potential reduce by 589 B

  • Original 77.5 kB
  • After minification 77.4 kB
  • After compression 76.9 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. Classnotes.com.ng has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (58%)

Requests Now

31

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Class Notes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

classnotes.com.ng

classnotes.com.ng

1745 ms

css

css

43 ms

owl.carousel.css

owl.carousel.css

55 ms

fontawesome-all.css

fontawesome-all.css

50 ms

flaticon.css

flaticon.css

53 ms

meanmenu.css

meanmenu.css

91 ms

bootstrap.min.css

bootstrap.min.css

34 ms

video.min.css

video.min.css

75 ms

lightbox.css

lightbox.css

56 ms

progess.css

progess.css

113 ms

animate.min.css

animate.min.css

91 ms

frontend.css

frontend.css

67 ms

responsive.css

responsive.css

72 ms

switch.css

switch.css

77 ms

intlTelInput.css

intlTelInput.css

79 ms

1615504984-logo-1.svg

1615504984-logo-1.svg

64 ms

alertify.min.css

alertify.min.css

26 ms

monokai.css

monokai.css

100 ms

rocket-loader.min.js

rocket-loader.min.js

65 ms

school1.jpg

school1.jpg

100 ms

book-1.jpg

book-1.jpg

114 ms

all.css

all.css

120 ms

css2

css2

17 ms

color-2.css

color-2.css

69 ms

1615590256-bg2.svg

1615590256-bg2.svg

33 ms

close.png

close.png

60 ms

loading.gif

loading.gif

48 ms

prev.png

prev.png

12 ms

next.png

next.png

48 ms

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Accessibility Review

classnotes.com.ng accessibility score

85

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

High

Links do not have a discernible name

Best Practices

classnotes.com.ng best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

classnotes.com.ng SEO score

91

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

High

Tap targets are not sized appropriately

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 Classnotes.com.ng 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 Classnotes.com.ng 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

classnotes.com.ng

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