Tools & Wizards About Us
plainmath.net screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% 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

  • 100

    SEO

    Google-friendlier than
    94% of websites

plainmath.net

Free video lectures,Free Animations, Free Lecture Notes, Free Online Tests, Free Lecture Presentations

Page Load Speed

2.9 sec in total

First Response

137 ms

Resources Loaded

2.5 sec

Page Rendered

236 ms

plainmath.net screenshot

About Website

Click here to check amazing Plainmath content for United States. Otherwise, check out these important facts you probably never knew about plainmath.net

video lectures on physics,biology,chemistry,maths,computer science,engineering,medical,dentistry,accounting and management,literature,law,economics,philosophy,Communication,Astronomy,Science Animation...

Visit plainmath.net

Key Findings

We analyzed Plainmath.net page load time and found that the first response time was 137 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

plainmath.net performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value2,070 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

plainmath.net

137 ms

plainmath.org

2126 ms

common-css-8efa85ce.css

29 ms

index-page-css.css

33 ms

inner-page-css-3971868e.css

25 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Plainmath.net, 98% (116 requests) were made to Plainmath.org and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Plainmath.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (63%)

Content Size

1.7 MB

After Optimization

619.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Plainmath.net main page is 1.7 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. HTML takes 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 1.0 MB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 107.9 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 1.0 MB or 91% of the original size.

Image Optimization

-27%

Potential reduce by 312 B

  • Original 1.2 kB
  • After minification 863 B

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. Obviously, Plainmath needs image optimization as it can save up to 312 B or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 477.8 kB
  • After minification 477.8 kB
  • After compression 475.1 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

-2%

Potential reduce by 773 B

  • Original 36.7 kB
  • After minification 36.7 kB
  • After compression 35.9 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. Plainmath.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 108 (93%)

Requests Now

116

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Plainmath. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 99 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

plainmath.net

plainmath.net

137 ms

plainmath.org

plainmath.org

2126 ms

common-css-8efa85ce.css

common-css-8efa85ce.css

29 ms

index-page-css.css

index-page-css.css

33 ms

inner-page-css-3971868e.css

inner-page-css-3971868e.css

25 ms

email-decode.min.js

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13 ms

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61 ms

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60 ms

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search-icon-grey.0c444e02.svg

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64 ms

arrow-down-icon-black.7c88e06c.svg

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80 ms

clock-desktop.0d315a3f.webp

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pm_logo_w.png

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ask-icon-white.dbdb5264.svg

ask-icon-white.dbdb5264.svg

74 ms

Accessibility Review

plainmath.net 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.

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

plainmath.net 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

SEO Factors

plainmath.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

    EN

  • Encoding

    UTF-8

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

plainmath.net

Open Graph description is not detected on the main page of Plainmath. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: