Tools & Wizards About Us
knowit.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

knowit.com

Learn the Latest Tech Skills; Advance Your Career | Udacity

Page Load Speed

96.8 sec in total

First Response

152 ms

Resources Loaded

7.8 sec

Page Rendered

88.9 sec

knowit.com screenshot

About Website

Welcome to knowit.com homepage info - get ready to check Knowit best content right away, or after learning these important things about knowit.com

Learn online and advance your career with courses in programming, data science, artificial intelligence, digital marketing, and more. Gain in-demand technical skills. Join today!

Visit knowit.com

Key Findings

We analyzed Knowit.com page load time and found that the first response time was 152 ms and then it took 96.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

knowit.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value13,570 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.124

83/100

15%

TTI (Time to Interactive)

Value35.6 s

0/100

10%

Network Requests Diagram

knowit.com

152 ms

www.udacity.com

43 ms

www.udacity.com

663 ms

7f2523fe9e19d89e.css

132 ms

76c8ccc82bdb1369.css

140 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Knowit.com, 61% (66 requests) were made to Cdn.sanity.io and 28% (31 requests) were made to Udacity.com. The less responsive or slowest element that took the longest time to load (5 sec) relates to the external source Cdn.sanity.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.0 MB (42%)

Content Size

331.2 MB

After Optimization

191.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Knowit.com main page is 331.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 329.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 1.4 MB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 358.3 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 1.4 MB or 79% of the original size.

Image Optimization

-42%

Potential reduce by 138.6 MB

  • Original 329.5 MB
  • After minification 190.8 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. Obviously, Knowit needs image optimization as it can save up to 138.6 MB or 42% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 54.2 kB
  • After minification 54.2 kB
  • After compression 54.2 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 71 B

  • Original 3.4 kB
  • After minification 3.4 kB
  • After compression 3.4 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. Knowit.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (22%)

Requests Now

106

After Optimization

83

  • Images
  • JavaScript
  • CSS

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knowit. 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 JavaScripts and as a result speed up the page load time.

Network Requests Diagram

knowit.com

knowit.com

152 ms

www.udacity.com

www.udacity.com

43 ms

www.udacity.com

www.udacity.com

663 ms

7f2523fe9e19d89e.css

7f2523fe9e19d89e.css

132 ms

76c8ccc82bdb1369.css

76c8ccc82bdb1369.css

140 ms

polyfills-78c92fac7aa8fdd8.js

polyfills-78c92fac7aa8fdd8.js

116 ms

airgap.js

airgap.js

129 ms

webpack-68b42e1e0eeae497.js

webpack-68b42e1e0eeae497.js

100 ms

framework-511a18a757f331df.js

framework-511a18a757f331df.js

131 ms

main-21ca4d967e834de1.js

main-21ca4d967e834de1.js

111 ms

_app-d78bcc01fd3bd6a9.js

_app-d78bcc01fd3bd6a9.js

174 ms

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6103-b8a5acbf2ba03cbf.js

202 ms

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180 ms

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180 ms

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180 ms

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7334-04ccdcb4a9ea2a88.js

206 ms

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198 ms

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203 ms

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5504-a09a74e0cdf9709e.js

197 ms

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2034-6afb5928306b9c63.js

201 ms

1002-0e80f8ccbdcd38aa.js

1002-0e80f8ccbdcd38aa.js

328 ms

variant_b-05a1136ee8c88c0e.js

variant_b-05a1136ee8c88c0e.js

328 ms

_buildManifest.js

_buildManifest.js

329 ms

_ssgManifest.js

_ssgManifest.js

330 ms

school-data-sci-one.svg

school-data-sci-one.svg

193 ms

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1342 ms

image

image

284 ms

image

image

281 ms

image

image

329 ms

image

image

307 ms

udacity-accenture-logo.svg

udacity-accenture-logo.svg

313 ms

facebook.svg

facebook.svg

312 ms

twitter.svg

twitter.svg

310 ms

linkedin.svg

linkedin.svg

306 ms

instagram.svg

instagram.svg

336 ms

school-programming-one.svg

school-programming-one.svg

279 ms

school-ai-one.svg

school-ai-one.svg

345 ms

school-business-one.svg

school-business-one.svg

346 ms

school-autonomous-sys-one.svg

school-autonomous-sys-one.svg

337 ms

school-product-mgt-one.svg

school-product-mgt-one.svg

329 ms

school-cloud-computing-one.svg

school-cloud-computing-one.svg

341 ms

avatar-one.svg

avatar-one.svg

308 ms

avatar-three.svg

avatar-three.svg

352 ms

avatar-two.svg

avatar-two.svg

371 ms

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1662 ms

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405 ms

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453 ms

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403 ms

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384 ms

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678 ms

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709 ms

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768 ms

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486 ms

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830 ms

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960 ms

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1161 ms

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874 ms

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980 ms

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1287 ms

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1312 ms

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1727 ms

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1477 ms

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1644 ms

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1628 ms

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1912 ms

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2431 ms

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2749 ms

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1734 ms

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1843 ms

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2332 ms

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2639 ms

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2514 ms

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2705 ms

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2970 ms

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2975 ms

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3473 ms

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3393 ms

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3500 ms

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3638 ms

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3047 ms

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3102 ms

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3711 ms

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3670 ms

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3506 ms

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3448 ms

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3367 ms

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3580 ms

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4339 ms

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3654 ms

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4000 ms

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3692 ms

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4180 ms

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3994 ms

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3943 ms

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4801 ms

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4010 ms

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4477 ms

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4043 ms

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4389 ms

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4462 ms

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4982 ms

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4903 ms

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4989 ms

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4002 ms

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3907 ms

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4001 ms

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3884 ms

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3844 ms

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4097 ms

Accessibility Review

knowit.com accessibility score

94

Accessibility Issues

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

Image elements do not have [alt] attributes

Best Practices

knowit.com best practices score

75

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

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

knowit.com SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Knowit.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 Knowit.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

knowit.com

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