Khanacademy.org

Content Category: Kids and Teens/School Time/Math/Homework Help

Adult Content: No

Type: Page

$383,659,740.00 DOMAIN VALUE

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How many visitors are reaching your site, how often they come and how long they stay.

339 RANK
148.0m Monthly Unique Visitors
1,184.1m Monthly pageviews
$237k Revenue Per Day

Top 5 Countries By Traffic

Country Code Rank Page Views Users
US 99 60.4% 69.1%
IN 629 7.0% 4.4%
GB 122 3.2% 4.2%
MX 305 2.0% 2.2%
CA 355 2.1% 2.0%

Measuring the strength of your website’s page load time

87/100 Google PageSpeed Score
74/100 YSlow Score
2.91 Page Size [megabytes]
0.9 Page Load Time [s]
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task.
Click here to learn how to optimize this
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles.
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URL Size [Bytes] Potential Savings
https://cdn.kastatic.org/genwebpack/prod/en/javascript/app-shell-package/app-entry~./stylesheets/shared-minimal-package/shared-minimal.8bfdebefaeec3e0e48dc.css 13428 270

Overall Saving: 240[ms]

Time to interactive is the amount of time it takes for the page to become fully interactive.
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First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input.
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Speed Index shows how quickly the contents of a page are visibly populated.
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A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow).
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Statistic Element Value
Total DOM Elements --- 851
Maximum DOM Depth --- 24
Maximum Child Elements --- 45
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy.
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Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.
Click here to learn how to optimize this
URL Total CPU Time Script Evaluation Script Parse
Other 735.21 248.69 0.84
https://cdn.kastatic.org/genwebpack/prod/en/bibliotron.7432673b49791a9fe1ab.js 639.47 600.12 9.59
https://cdn.kastatic.org/genwebpack/prod/en/javascript/app-shell-package/app-entry.63d1633bf383b02df27e.js 191.22 187.08 4.14
https://cdn.kastatic.org/genwebpack/prod/en/corelibs-legacy.5ceb6263a1f19fe94b05.js 90.64 81.32 8.06
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.
Click here to learn how to optimize this
Category Time Spent
Script Evaluation 1204.58
Other 210.39
Style & Layout 202.36
Script Parsing & Compilation 97.15
Garbage Collection 41.32
Rendering 41.25
Parse HTML & CSS 21.62
First Meaningful Paint measures when the primary content of a page is visible.
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First Contentful Paint marks the time at which the first text or image is painted.
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A long cache lifetime can speed up repeat visits to your page.
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URL Cache TTL [duration] Size [kb]
https://www.google-analytics.com/analytics.js 7200000 19103
https://px.airpr.com/airpr.js 43200000 2671
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive.
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URL Size [Bytes] Potential Savings [Bytes]
https://cdn.kastatic.org/images/lohp/v1-anjali-2x.png 25752 25752
https://cdn.kastatic.org/images/supporters-logos/[email protected] 4112 4112
https://cdn.kastatic.org/images/supporters-logos/[email protected] 3549 3549
https://cdn.kastatic.org/images/supporters-logos/[email protected] 2568 2568
https://cdn.kastatic.org/images/supporters-logos/[email protected] 2473 2473

Overall Saving: 40[ms], 38454[Bytes]

Serve images that are appropriately-sized to save cellular data and improve load time.
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URL Size [Bytes] Potential Savings [Bytes]
https://cdn.kastatic.org/images/lohp/v1-anjali-2x.png 25752 18701
https://cdn.kastatic.org/images/supporters-logos/[email protected] 4112 3107
https://cdn.kastatic.org/images/supporters-logos/[email protected] 3549 2691

Overall Saving: 40[ms], 24499[Bytes]

Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings [Bytes]
https://cdn.kastatic.org/images/lohp/v1-anjali-2x.png 25752 14364

Overall Saving: 40[ms], 14364[Bytes]

Large network payloads cost users real money and are highly correlated with long load times.
Click here to learn how to optimize this
URL Size
https://cdn.kastatic.org/genwebpack/prod/en/corelibs.e1e10ef56c5ba8bf278a.js 270784
https://cdn.kastatic.org/genwebpack/prod/en/corelibs-legacy.5ceb6263a1f19fe94b05.js 164102
https://cdn.kastatic.org/genwebpack/prod/en/bibliotron.7432673b49791a9fe1ab.js 132042
https://cdn.kastatic.org/genwebpack/prod/en/shared-components.f3302847e5f946a04d81.js 99652
https://cdn.kastatic.org/genwebpack/prod/en/shared.dfe5580197c8b1709612.js 66053
https://cdn.kastatic.org/genwebpack/prod/en/6a106b25393c14847feeb1832be3bde9.7a1083f22653382f014e.js 61701
https://cdn.kastatic.org/genwebpack/prod/en/wonder-blocks.95991964a9ad969af296.js 56800
https://cdn.kastatic.org/images/lohp/student_mobile_v31.jpeg 51545
https://cdn.kastatic.org/fonts/LatoLatin-Italic.woff2 46482
https://cdn.kastatic.org/fonts/LatoLatin-Bold.woff2 45472
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings [Bytes]
https://cdn.kastatic.org/genwebpack/prod/en/javascript/app-shell-package/app-entry~./stylesheets/shared-minimal-package/shared-minimal.8bfdebefaeec3e0e48dc.css 13428 13175

Overall Saving: 0[ms], 13175[Bytes]

Consider using `` to prioritize fetching resources that are currently requested later in page load.
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Overall Saving: 0[ms]

Minifying JavaScript files can reduce payload sizes and script parse time.
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Overall Saving: 0[ms], 0[Bytes]

Redirects introduce additional delays before the page can be loaded.
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Overall Saving: 0[ms]

Time To First Byte identifies the time at which your server sends a response.
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Overall Saving: -323.665[ms]

Optimized images load faster and consume less cellular data.
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Overall Saving: 0[ms], 0[Bytes]

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes.
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Overall Saving: 0[ms], 0[Bytes]

Minifying CSS files can reduce network payload sizes.
Click here to learn how to optimize this
URL Size [Bytes] Potential Savings [Bytes]
https://cdn.kastatic.org/genwebpack/prod/en/javascript/app-shell-package/app-entry~./stylesheets/shared-minimal-package/shared-minimal.8bfdebefaeec3e0e48dc.css 13428 2727

Overall Saving: 0[ms], 2727[Bytes]

doc

# of requests: 1
Size: 37608 bytes

css

# of requests: 1
Size: 141733 bytes

js

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Size: 2803041 bytes

cssimage

# of requests: 1
Size: 17906 bytes

image

# of requests: 17
Size: 55794 bytes

favicon

# of requests: 1
Size: -1 bytes

doc

# of requests: 1
Size: 37608 bytes

css

# of requests: 1
Size: 0 bytes

js

# of requests: 21
Size: 334144 bytes

cssimage

# of requests: 1
Size: 0 bytes

image

# of requests: 17
Size: 0 bytes
Type Url Size Response time Gzip Expires
doc https://www.khanacademy.org/ 212749 426 37608 2020/5/26
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js https://www.googletagmanager.com/gtm.js?id=GTM-WSX5PBP 133088 483 16383 2020/5/26
js https://www.google-analytics.com/analytics.js 45892 437 1158 2020/5/26
js https://cdn.kastatic.org/genwebpack/prod/en/runtime.f604d61012264217bff6.js 53662 580 --- 2020/5/26
js https://cdn.kastatic.org/genwebpack/prod/en/corelibs.e1e10ef56c5ba8bf278a.js 964891 632 --- 2020/5/26
js https://cdn.kastatic.org/genwebpack/prod/en/shared-intl.9bb98d0516641426ac20.js 170073 601 --- 2020/5/26
js https://cdn.kastatic.org/genwebpack/prod/en/shared.dfe5580197c8b1709612.js 264099 598 --- 2020/5/26
js https://cdn.kastatic.org/genwebpack/prod/en/shared-components.f3302847e5f946a04d81.js 476858 618 --- 2020/5/26
js https://cdn.kastatic.org/genwebpack/prod/en/wonder-blocks.95991964a9ad969af296.js 269482 588 --- 2020/5/26
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js https://cdn.kastatic.org/genwebpack/prod/en/e998fe2ded6d0b3626dd430891cc0f28.0e052c04a8670cc011c2.js 5148 583 --- 2020/5/26
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js https://cdn.kastatic.org/genwebpack/prod/en/javascript/app-shell-package/app-entry~./stylesheets/shared-minimal-package/shared-minimal.826f69ddc3743768e75d.js 335 597 --- 2020/5/26
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cssimage https://cdn.kastatic.org/images/marketing-content/button-background-orange.png 17906 24 --- 2020/5/26
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image https://cdn.kastatic.org/images/supporters-logos/[email protected] 1865 609 --- 2020/5/26
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favicon https://www.khanacademy.org/favicon.ico?logo 4260 17 -1 2020/5/26

Detected Technologies

Google Tag Manager
Google Tag Manager

Whois

Created n/a
Changed n/a
Sponsor n/a
Name Server n/a

How well your site increases the quality and quantity of search engine results through organic traffic.

92 Domain Authority
21.7m Unique Domain Links
3.0m Outgong Links
16.8m External Links
2 Spam Score

Top Pages

Ranking the most visited pages on your website.

# Link
1 www.khanacademy.org/
2 www.khanacademy.org/sat
3 www.khanacademy.org/math
4 www.khanacademy.org/computing/computer-programming
5 www.khanacademy.org/about
6 www.khanacademy.org/math/algebra
7 www.khanacademy.org/partner-content/pixar
8 www.khanacademy.org/college-careers-more/college-admissions/paying-for-college/work-study/v/working-during-college
9 www.khanacademy.org/science/chemistry
10 www.khanacademy.org/cs

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