Tools & Wizards About Us
derekcallan.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

derekcallan.com

Learn Business English Online - Derek Callan | English for Professionals

Page Load Speed

5.6 sec in total

First Response

932 ms

Resources Loaded

4.1 sec

Page Rendered

557 ms

derekcallan.com screenshot

About Website

Click here to check amazing Derek Callan content. Otherwise, check out these important facts you probably never knew about derekcallan.com

Improve your English online and get to the point of fluency. Short, engaging lessons allow you to learn in the most flexible way and become a more confident speaker.

Visit derekcallan.com

Key Findings

We analyzed Derekcallan.com page load time and found that the first response time was 932 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

derekcallan.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value6,030 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value27.0 s

0/100

10%

Network Requests Diagram

derekcallan.com

932 ms

wp-emoji-release.min.js

94 ms

layerslider.css

186 ms

style.min.css

271 ms

style-index.css

268 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 67% of them (62 requests) were addressed to the original Derekcallan.com, 21% (19 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Derekcallan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.2 kB (9%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Derekcallan.com main page is 1.4 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. 70% of websites need less resources to load. Javascripts take 602.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 96.6 kB

  • Original 118.8 kB
  • After minification 115.3 kB
  • After compression 22.2 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 96.6 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 2.5 kB

  • Original 462.4 kB
  • After minification 459.9 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. Derek Callan images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 10.0 kB

  • Original 602.3 kB
  • After minification 602.3 kB
  • After compression 592.3 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

-7%

Potential reduce by 16.2 kB

  • Original 232.2 kB
  • After minification 231.8 kB
  • After compression 216.0 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. Derekcallan.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 58 (83%)

Requests Now

70

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derek Callan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

derekcallan.com

derekcallan.com

932 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

94 ms

layerslider.css

layerslider.css

186 ms

style.min.css

style.min.css

271 ms

style-index.css

style-index.css

268 ms

styles.css

styles.css

274 ms

settings.css

settings.css

275 ms

cookieblocker.min.css

cookieblocker.min.css

274 ms

style.css

style.css

288 ms

style.css

style.css

356 ms

cesis_media_queries.css

cesis_media_queries.css

359 ms

cesis_plugins.css

cesis_plugins.css

371 ms

cesis_icons.css

cesis_icons.css

366 ms

css

css

42 ms

admin-ajax.php

admin-ajax.php

872 ms

elementor-icons.min.css

elementor-icons.min.css

379 ms

frontend.min.css

frontend.min.css

449 ms

swiper.min.css

swiper.min.css

447 ms

post-9758.css

post-9758.css

457 ms

frontend.min.css

frontend.min.css

831 ms

global.css

global.css

470 ms

js_composer.min.css

js_composer.min.css

900 ms

the-grid.min.css

the-grid.min.css

540 ms

font-awesome-social.css

font-awesome-social.css

549 ms

css

css

46 ms

css

css

60 ms

greensock.js

greensock.js

569 ms

jquery.min.js

jquery.min.js

33 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

635 ms

layerslider.transitions.js

layerslider.transitions.js

639 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

667 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

727 ms

adsbygoogle.js

adsbygoogle.js

116 ms

embed.php

embed.php

208 ms

animate.min.css

animate.min.css

758 ms

site_tracking.js

site_tracking.js

816 ms

index.js

index.js

821 ms

index.js

index.js

849 ms

cesis_collapse.js

cesis_collapse.js

974 ms

cesis_countup.js

cesis_countup.js

974 ms

cesis_easing.js

cesis_easing.js

975 ms

cesis_fittext.js

cesis_fittext.js

974 ms

fitvids.js

fitvids.js

891 ms

fonticonpicker.js

fonticonpicker.js

813 ms

lightgallery.js

lightgallery.js

794 ms

owlcarousel.js

owlcarousel.js

836 ms

scrollmagic.js

scrollmagic.js

939 ms

cesis_transition.js

cesis_transition.js

788 ms

jquery.smartmenus.min.js

jquery.smartmenus.min.js

800 ms

isotope.js

isotope.js

804 ms

waypoints.js

waypoints.js

752 ms

cesis_custom.js

cesis_custom.js

779 ms

effect.min.js

effect.min.js

785 ms

the-grid.min.js

the-grid.min.js

905 ms

complianz.min.js

complianz.min.js

804 ms

migrate.min.js

migrate.min.js

763 ms

js_composer_front.min.js

js_composer_front.min.js

795 ms

waypoints.min.js

waypoints.min.js

795 ms

ml-dca-logo_181208-grey.png

ml-dca-logo_181208-grey.png

293 ms

derek-callan-business-english-online-lessons-2019-1.jpg

derek-callan-business-english-online-lessons-2019-1.jpg

1317 ms

derek-callan-professional-english-lessons-3.jpg

derek-callan-professional-english-lessons-3.jpg

1235 ms

ml-dca-logo_181208-grey-symbol.png

ml-dca-logo_181208-grey-symbol.png

906 ms

icon-footer-ig.png

icon-footer-ig.png

906 ms

icon-footer-fb.png

icon-footer-fb.png

907 ms

icon-footer-yt.png

icon-footer-yt.png

906 ms

show_ads_impl.js

show_ads_impl.js

696 ms

zrt_lookup_nohtml.html

zrt_lookup_nohtml.html

41 ms

diffuser.js

diffuser.js

34 ms

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56 ms

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797 ms

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141 ms

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143 ms

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180 ms

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144 ms

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796 ms

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621 ms

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794 ms

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621 ms

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tticons.ttf

1123 ms

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795 ms

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prism.app-us1.com

107 ms

derekcallan.com

derekcallan.com

731 ms

the_grid.ttf

the_grid.ttf

145 ms

ads

ads

68 ms

Accessibility Review

derekcallan.com accessibility score

97

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

Best Practices

derekcallan.com best practices score

83

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

Page has valid source maps

SEO Factors

derekcallan.com SEO score

93

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

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 Derekcallan.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 Derekcallan.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

derekcallan.com

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