Tools & Wizards About Us
doubtnut.app screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

doubtnut.app

Doubt Solutions - Maths, Science, CBSE, NCERT, IIT JEE, NEET

Page Load Speed

2.9 sec in total

First Response

46 ms

Resources Loaded

1.8 sec

Page Rendered

1.1 sec

doubtnut.app screenshot

About Website

Welcome to doubtnut.app homepage info - get ready to check Doubt Nut best content for United States right away, or after learning these important things about doubtnut.app

Doubt solutions for Maths, Science, CBSE, NCERT, IIT JEE, NEET & Class 6 to 12. Click, type question to get instant video answers solved by Doubtnut team.

Visit doubtnut.app

Key Findings

We analyzed Doubtnut.app page load time and found that the first response time was 46 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

doubtnut.app performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value5,780 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value24.3 s

0/100

10%

Network Requests Diagram

doubtnut.app

46 ms

doubtnut.app

28 ms

www.doubtnut.com

1631 ms

gtm.js

95 ms

e2665ff4d6de14c2.css

15 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Doubtnut.app, 48% (35 requests) were made to Doubtnut.com and 22% (16 requests) were made to D10lpgp6xz60nq.cloudfront.net. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Doubtnut.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 402.2 kB (31%)

Content Size

1.3 MB

After Optimization

894.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Doubtnut.app main page is 1.3 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. 70% of websites need less resources to load. HTML takes 600.2 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 330.5 kB

  • Original 600.2 kB
  • After minification 600.1 kB
  • After compression 269.7 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 330.5 kB or 55% of the original size.

Image Optimization

-9%

Potential reduce by 13.1 kB

  • Original 138.8 kB
  • After minification 125.7 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. Doubt Nut images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 34.9 kB

  • Original 466.4 kB
  • After minification 466.1 kB
  • After compression 431.5 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

-26%

Potential reduce by 23.7 kB

  • Original 91.4 kB
  • After minification 70.2 kB
  • After compression 67.6 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. Doubtnut.app needs all CSS files to be minified and compressed as it can save up to 23.7 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (57%)

Requests Now

70

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doubt Nut. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

doubtnut.app

doubtnut.app

46 ms

doubtnut.app

doubtnut.app

28 ms

www.doubtnut.com

www.doubtnut.com

1631 ms

gtm.js

gtm.js

95 ms

e2665ff4d6de14c2.css

e2665ff4d6de14c2.css

15 ms

fc361e7dc80c088f.css

fc361e7dc80c088f.css

20 ms

805ace0917a15167.css

805ace0917a15167.css

20 ms

polyfills-78c92fac7aa8fdd8.js

polyfills-78c92fac7aa8fdd8.js

27 ms

1266-7d93b0d698fa7911.js

1266-7d93b0d698fa7911.js

24 ms

7726.3b0968f14dbd797e.js

7726.3b0968f14dbd797e.js

25 ms

2801-f4dc02cce2ea8e82.js

2801-f4dc02cce2ea8e82.js

24 ms

248-6b91bc76767a822d.js

248-6b91bc76767a822d.js

27 ms

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26 ms

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1591.484573ae2a8c388f.js

26 ms

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2523.5766ef45a376c953.js

26 ms

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6317.87ecaacc2029f0bb.js

29 ms

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29 ms

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6142.f051a16db1386e45.js

28 ms

5414.35a024964b95b3ca.js

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28 ms

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7426.b3b077559d1b839f.js

28 ms

639.e3732461a4a480ff.js

639.e3732461a4a480ff.js

30 ms

8917.8db5e10046d5ac8c.js

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30 ms

4636.e815f68bd1f5d15f.js

4636.e815f68bd1f5d15f.js

31 ms

webpack-b05dc28dacd4a3e2.js

webpack-b05dc28dacd4a3e2.js

31 ms

framework-e51163eae4b843dc.js

framework-e51163eae4b843dc.js

30 ms

main-8a1f64d5a64890d8.js

main-8a1f64d5a64890d8.js

34 ms

_app-5b40f4ece403f514.js

_app-5b40f4ece403f514.js

34 ms

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34 ms

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34 ms

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32 ms

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45 ms

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44 ms

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44 ms

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44 ms

index-home-1b8327627c3b7aa9.js

index-home-1b8327627c3b7aa9.js

45 ms

_buildManifest.js

_buildManifest.js

44 ms

_ssgManifest.js

_ssgManifest.js

45 ms

default.webp

default.webp

40 ms

css

css

32 ms

maths.svg

maths.svg

27 ms

physics.svg

physics.svg

48 ms

chemistry.svg

chemistry.svg

46 ms

biology.svg

biology.svg

46 ms

english.svg

english.svg

50 ms

22C7A42E-AD8B-D41B-B543-FF93584A9995.webp

22C7A42E-AD8B-D41B-B543-FF93584A9995.webp

9 ms

en_badge_web_generic.png

en_badge_web_generic.png

89 ms

E_Apuwbny8c

E_Apuwbny8c

119 ms

videoseries

videoseries

522 ms

4D6D5BE6-3D00-D2D9-AA03-06E1F488DC39.webp

4D6D5BE6-3D00-D2D9-AA03-06E1F488DC39.webp

15 ms

instant-video-solutions.svg

instant-video-solutions.svg

31 ms

detailed-lectures.svg

detailed-lectures.svg

42 ms

largest-video-library.svg

largest-video-library.svg

72 ms

priyanshi-soni.jpeg

priyanshi-soni.jpeg

50 ms

kushagra-panday.jpeg

kushagra-panday.jpeg

49 ms

arpit-gangwar.jpeg

arpit-gangwar.jpeg

50 ms

ayushi_nandan.webp

ayushi_nandan.webp

50 ms

shubham_chaurasiya.webp

shubham_chaurasiya.webp

49 ms

aditi_kumari.webp

aditi_kumari.webp

63 ms

8379B44B-DE4E-C390-DE29-7B71F05B184B.webp

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63 ms

suman-rajasthan-12.webp

suman-rajasthan-12.webp

62 ms

4D6D5BE6-3D00-D2D9-AA03-06E1F488DC39.webp

4D6D5BE6-3D00-D2D9-AA03-06E1F488DC39.webp

17 ms

www-player.css

www-player.css

37 ms

www-embed-player.js

www-embed-player.js

35 ms

base.js

base.js

76 ms

ad_status.js

ad_status.js

298 ms

font

font

308 ms

p76BnsxaZQbjQVALEy0LXemQcblm_A_yFB8jTV8Ieao.js

p76BnsxaZQbjQVALEy0LXemQcblm_A_yFB8jTV8Ieao.js

279 ms

embed.js

embed.js

184 ms

d8gUxZiPjW9vHmGWgkIn8rzPmS5XCDC9pkl5JetbjZ2VF7n_oxywVu-HeMdciAvo32DfuSxtrVY=s68-c-k-c0x00ffffff-no-rj

d8gUxZiPjW9vHmGWgkIn8rzPmS5XCDC9pkl5JetbjZ2VF7n_oxywVu-HeMdciAvo32DfuSxtrVY=s68-c-k-c0x00ffffff-no-rj

63 ms

id

id

47 ms

Create

Create

101 ms

Create

Create

103 ms

Accessibility Review

doubtnut.app accessibility score

81

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 have valid values

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

doubtnut.app 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

High

Page has valid source maps

SEO Factors

doubtnut.app 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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doubtnut.app can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Doubtnut.app 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

doubtnut.app

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