Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

rajkumarbiology.weebly.com

Rajkumar Biology: A guide for 11th & 12th CBSE Students - Home

Page Load Speed

3.8 sec in total

First Response

184 ms

Resources Loaded

3.2 sec

Page Rendered

420 ms

rajkumarbiology.weebly.com screenshot

About Website

Click here to check amazing Rajkumar Biology Weebly content for United States. Otherwise, check out these important facts you probably never knew about rajkumarbiology.weebly.com

Rajkumar Biology is a perfect guide for CBSE higher secondary Biology students. It offers free notes, videos, assignments, Previous year Papers, tips and many other real-time student helpers.

Visit rajkumarbiology.weebly.com

Key Findings

We analyzed Rajkumarbiology.weebly.com page load time and found that the first response time was 184 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

rajkumarbiology.weebly.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

rajkumarbiology.weebly.com

184 ms

sites.css

5 ms

fancybox.css

20 ms

main_style.css

74 ms

jquery.min.js

26 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 23% of them (18 requests) were addressed to the original Rajkumarbiology.weebly.com, 18% (14 requests) were made to Static.xx.fbcdn.net and 17% (13 requests) were made to Scontent-iad3-1.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Counter7.freecounterstat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 352.1 kB (16%)

Content Size

2.2 MB

After Optimization

1.9 MB

In fact, the total size of Rajkumarbiology.weebly.com main page is 2.2 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 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 20.8 kB

  • Original 29.0 kB
  • After minification 28.4 kB
  • After compression 8.2 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 20.8 kB or 72% of the original size.

Image Optimization

-2%

Potential reduce by 24.6 kB

  • Original 1.5 MB
  • After minification 1.4 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. Rajkumar Biology Weebly images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 82.8 kB

  • Original 447.0 kB
  • After minification 446.8 kB
  • After compression 364.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 82.8 kB or 19% of the original size.

CSS Optimization

-74%

Potential reduce by 223.9 kB

  • Original 302.4 kB
  • After minification 300.9 kB
  • After compression 78.5 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. Rajkumarbiology.weebly.com needs all CSS files to be minified and compressed as it can save up to 223.9 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (47%)

Requests Now

72

After Optimization

38

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rajkumar Biology Weebly. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rajkumarbiology.weebly.com accessibility score

61

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

rajkumarbiology.weebly.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

rajkumarbiology.weebly.com SEO score

54

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Rajkumarbiology.weebly.com 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 Rajkumarbiology.weebly.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

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