Tools & Wizards About Us
professorkhalidkhan.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

professorkhalidkhan.com

Professor Khalid Khan | Lead Author of Systematic Reviews

Page Load Speed

7.8 sec in total

First Response

814 ms

Resources Loaded

6.7 sec

Page Rendered

265 ms

professorkhalidkhan.com screenshot

About Website

Click here to check amazing Professor Khalid Khan content. Otherwise, check out these important facts you probably never knew about professorkhalidkhan.com

Professor Khalid Khan is the lead author of Systematic Reviews to Support Evidence-based Medicine, which won a British Medical Association award.

Visit professorkhalidkhan.com

Key Findings

We analyzed Professorkhalidkhan.com page load time and found that the first response time was 814 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

professorkhalidkhan.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.2 s

0/100

25%

SI (Speed Index)

Value18.2 s

0/100

10%

TBT (Total Blocking Time)

Value330 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.843

4/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

Network Requests Diagram

professorkhalidkhan.com

814 ms

professorkhalidkhan.com

1106 ms

style.min.css

184 ms

styles.css

149 ms

style.css

151 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 88% of them (49 requests) were addressed to the original Professorkhalidkhan.com, 11% (6 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Professorkhalidkhan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (48%)

Content Size

4.4 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Professorkhalidkhan.com main page is 4.4 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. 50% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 47.0 kB

  • Original 58.9 kB
  • After minification 54.1 kB
  • After compression 11.9 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 47.0 kB or 80% of the original size.

Image Optimization

-19%

Potential reduce by 475.7 kB

  • Original 2.5 MB
  • After minification 2.0 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, Professor Khalid Khan needs image optimization as it can save up to 475.7 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 305.7 kB

  • Original 439.3 kB
  • After minification 438.8 kB
  • After compression 133.6 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 305.7 kB or 70% of the original size.

CSS Optimization

-88%

Potential reduce by 1.3 MB

  • Original 1.5 MB
  • After minification 1.4 MB
  • After compression 171.3 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. Professorkhalidkhan.com needs all CSS files to be minified and compressed as it can save up to 1.3 MB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (70%)

Requests Now

47

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Professor Khalid Khan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

professorkhalidkhan.com

professorkhalidkhan.com

814 ms

professorkhalidkhan.com

professorkhalidkhan.com

1106 ms

style.min.css

style.min.css

184 ms

styles.css

styles.css

149 ms

style.css

style.css

151 ms

owl.carousel.css

owl.carousel.css

203 ms

owl.theme.default.css

owl.theme.default.css

200 ms

js_composer.min.css

js_composer.min.css

1934 ms

plethora_icons.css

plethora_icons.css

412 ms

animate.min.css

animate.min.css

653 ms

style.min.css

style.min.css

1182 ms

style.css

style.css

409 ms

style.min.css

style.min.css

794 ms

style.min.css

style.min.css

1024 ms

style.min.css

style.min.css

652 ms

style.min.css

style.min.css

871 ms

style.min.css

style.min.css

872 ms

blocks.style.build.css

blocks.style.build.css

1856 ms

jquery.min.js

jquery.min.js

1338 ms

jquery-migrate.min.js

jquery-migrate.min.js

1105 ms

modernizr.custom.48287.js

modernizr.custom.48287.js

1242 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

1322 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

1380 ms

wp-polyfill.min.js

wp-polyfill.min.js

1929 ms

index.js

index.js

1557 ms

jquery.ui.totop.js

jquery.ui.totop.js

1572 ms

owl.carousel.min.js

owl.carousel.min.js

1570 ms

bootstrap.min.js

bootstrap.min.js

1853 ms

easing.min.js

easing.min.js

1882 ms

wow.min.js

wow.min.js

1899 ms

conformity.min.js

conformity.min.js

2112 ms

particles.min.js

particles.min.js

2112 ms

parallax.min.js

parallax.min.js

2113 ms

theme.js

theme.js

2115 ms

gutentor.min.js

gutentor.min.js

2123 ms

js_composer_front.min.js

js_composer_front.min.js

2122 ms

css

css

27 ms

medcon_logo_colore.png

medcon_logo_colore.png

122 ms

CONFERENCE-HALL_w-1.png

CONFERENCE-HALL_w-1.png

124 ms

MANAGEMET_w-1.png

MANAGEMET_w-1.png

123 ms

CREATIVE-BRIEF_w-1.png

CREATIVE-BRIEF_w-1.png

120 ms

COMMENT_w-1.png

COMMENT_w-1.png

122 ms

profile-1-wpp1625670495508-150x150.jpeg

profile-1-wpp1625670495508-150x150.jpeg

120 ms

slide_2.jpeg

slide_2.jpeg

274 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

72 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

81 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

105 ms

KFOkCnqEu92Fr1MmgVxIIzc.ttf

KFOkCnqEu92Fr1MmgVxIIzc.ttf

117 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

119 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

117 ms

FontAwesome.otf

FontAwesome.otf

1331 ms

c07789e1-994b-4fc2-bcef-a042f35d8952.jpg

c07789e1-994b-4fc2-bcef-a042f35d8952.jpg

354 ms

khalid-khan-workshop-teaching-www.png

khalid-khan-workshop-teaching-www.png

2559 ms

Khalid-Khan-book-signing-Ch.jpg

Khalid-Khan-book-signing-Ch.jpg

2012 ms

khalid-khan-giving-lecture-regarding-crown-www.png

khalid-khan-giving-lecture-regarding-crown-www.png

1776 ms

slider-arrows.png

slider-arrows.png

672 ms

Accessibility Review

professorkhalidkhan.com accessibility score

71

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

professorkhalidkhan.com best practices score

92

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

Page has valid source maps

SEO Factors

professorkhalidkhan.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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 Professorkhalidkhan.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 Professorkhalidkhan.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

professorkhalidkhan.com

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