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donate.khanacademy.org screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

donate.khanacademy.org

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Page Load Speed

1.7 sec in total

First Response

409 ms

Resources Loaded

1.2 sec

Page Rendered

51 ms

donate.khanacademy.org screenshot

About Website

Welcome to donate.khanacademy.org homepage info - get ready to check Don Ate Khanacademy best content for United States right away, or after learning these important things about donate.khanacademy.org

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Key Findings

We analyzed Donate.khanacademy.org page load time and found that the first response time was 409 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

donate.khanacademy.org performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value7,570 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value26.9 s

0/100

10%

Network Requests Diagram

409 ms

main.css

93 ms

airgap.js

43 ms

js

84 ms

68 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 13% of them (2 requests) were addressed to the original Donate.khanacademy.org, 31% (5 requests) were made to Prod-frs.content.classy.org and 13% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (409 ms) belongs to the original domain Donate.khanacademy.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.1 kB (16%)

Content Size

910.7 kB

After Optimization

760.7 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Donate.khanacademy.org main page is 910.7 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. Javascripts take 570.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 150.1 kB

  • Original 193.8 kB
  • After minification 192.1 kB
  • After compression 43.7 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 150.1 kB or 77% of the original size.

JavaScript Optimization

-0%

Potential reduce by 17 B

  • Original 570.7 kB
  • After minification 570.7 kB
  • After compression 570.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 146.2 kB
  • After minification 146.2 kB
  • After compression 146.2 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. Donate.khanacademy.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (87%)

Requests Now

15

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Don Ate Khanacademy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

409 ms

main.css

main.css

93 ms

airgap.js

airgap.js

43 ms

js

js

84 ms

68 ms

link-initialize.js

link-initialize.js

74 ms

libs.min.js

libs.min.js

162 ms

module.min.js

module.min.js

195 ms

module.min.js

module.min.js

176 ms

paypal-js.legacy.min.js

paypal-js.legacy.min.js

59 ms

iframe-v3.min.js

iframe-v3.min.js

229 ms

rocket-loader.min.js

rocket-loader.min.js

25 ms

v84a3a4012de94ce1a686ba8c167c359c1696973893317

v84a3a4012de94ce1a686ba8c167c359c1696973893317

148 ms

js

js

30 ms

7 ms

libs.min.js

libs.min.js

58 ms

Accessibility Review

donate.khanacademy.org accessibility score

98

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.

Best Practices

donate.khanacademy.org best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

donate.khanacademy.org SEO score

85

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 Donate.khanacademy.org 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 Donate.khanacademy.org 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

donate.khanacademy.org

Open Graph description is not detected on the main page of Don Ate Khanacademy. 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: