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devlibrary.in screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

devlibrary.in

Dev Library - All Book, NCERT, Niketan & Assam Board Question Answer - Dev Library

Page Load Speed

1.8 sec in total

First Response

211 ms

Resources Loaded

1.2 sec

Page Rendered

402 ms

devlibrary.in screenshot

About Website

Click here to check amazing Dev Library content for India. Otherwise, check out these important facts you probably never knew about devlibrary.in

Dev Library - Get here study material for all books, Board, NCERT, CBSC, NEET, JEE, regional language books, and entrance exams.

Visit devlibrary.in

Key Findings

We analyzed Devlibrary.in page load time and found that the first response time was 211 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

devlibrary.in performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

68/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

devlibrary.in

211 ms

devlibrary.in

627 ms

cropped-devlibrary.in-Android-219x78.png

26 ms

facebook.svg

136 ms

cover_photo.jpg

8 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 20% of them (2 requests) were addressed to the original Devlibrary.in, 40% (4 requests) were made to Devlibrary.b-cdn.net and 30% (3 requests) were made to Papayacoderscdn9118.b-cdn.net. The less responsive or slowest element that took the longest time to load (627 ms) belongs to the original domain Devlibrary.in.

Page Optimization Overview & Recommendations

Page size can be reduced by 264.8 kB (73%)

Content Size

363.6 kB

After Optimization

98.9 kB

  • HTML
  • Images

In fact, the total size of Devlibrary.in main page is 363.6 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. Only 5% of websites need less resources to load. HTML takes 312.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 262.9 kB

  • Original 312.6 kB
  • After minification 312.3 kB
  • After compression 49.8 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 262.9 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 1.9 kB

  • Original 51.0 kB
  • After minification 49.1 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. Dev Library images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev Library. According to our analytics all requests are already optimized.

Network Requests Diagram

devlibrary.in

devlibrary.in

211 ms

devlibrary.in

devlibrary.in

627 ms

cropped-devlibrary.in-Android-219x78.png

cropped-devlibrary.in-Android-219x78.png

26 ms

facebook.svg

facebook.svg

136 ms

cover_photo.jpg

cover_photo.jpg

8 ms

whatsapp.svg

whatsapp.svg

142 ms

new_icon.gif

new_icon.gif

4 ms

dmca-badge-w200-5x1-06.png

dmca-badge-w200-5x1-06.png

18 ms

google_play_store.png

google_play_store.png

5 ms

instagram.svg

instagram.svg

170 ms

Accessibility Review

devlibrary.in accessibility score

90

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.

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 IDs are not unique

Best Practices

devlibrary.in 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

devlibrary.in SEO score

90

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

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

High

Tap targets are not sized appropriately

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 Devlibrary.in 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 Devlibrary.in 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

devlibrary.in

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