Tools & Wizards About Us
drdavidjackclinic.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

drdavidjackclinic.com

Dr David Jack: Aesthetic Skin Care Clinics in London

Page Load Speed

3.4 sec in total

First Response

181 ms

Resources Loaded

1.9 sec

Page Rendered

1.4 sec

drdavidjackclinic.com screenshot

About Website

Click here to check amazing Dr David Jack Clinic content. Otherwise, check out these important facts you probably never knew about drdavidjackclinic.com

Dr David Jack Clinic provides cosmetic surgery, plastic surgery and non surgical procedures in Harley Street and Belgravia, London, UK.

Visit drdavidjackclinic.com

Key Findings

We analyzed Drdavidjackclinic.com page load time and found that the first response time was 181 ms and then it took 3.2 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

drdavidjackclinic.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.864

4/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

Network Requests Diagram

clinic

181 ms

js

75 ms

js

150 ms

jquery-1.12.0.min.js

44 ms

api.jquery-b0af070cfe3f5cf7c92f9e2a5da2665ee07ed2aad63bb408f8d6672f894a5996.js

38 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Drdavidjackclinic.com, 14% (8 requests) were made to Static.klaviyo.com and 9% (5 requests) were made to Cdn.shopify.com. The less responsive or slowest element that took the longest time to load (336 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 730.3 kB (51%)

Content Size

1.4 MB

After Optimization

707.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Drdavidjackclinic.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. HTML takes 804.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 671.7 kB

  • Original 804.2 kB
  • After minification 756.9 kB
  • After compression 132.5 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 671.7 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 14.1 kB

  • Original 236.5 kB
  • After minification 222.4 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. Dr David Jack Clinic images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 35.5 kB

  • Original 346.1 kB
  • After minification 346.1 kB
  • After compression 310.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-18%

Potential reduce by 9.0 kB

  • Original 50.9 kB
  • After minification 50.9 kB
  • After compression 41.9 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. Drdavidjackclinic.com needs all CSS files to be minified and compressed as it can save up to 9.0 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (73%)

Requests Now

56

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dr David Jack Clinic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

clinic

clinic

181 ms

js

js

75 ms

js

js

150 ms

jquery-1.12.0.min.js

jquery-1.12.0.min.js

44 ms

api.jquery-b0af070cfe3f5cf7c92f9e2a5da2665ee07ed2aad63bb408f8d6672f894a5996.js

api.jquery-b0af070cfe3f5cf7c92f9e2a5da2665ee07ed2aad63bb408f8d6672f894a5996.js

38 ms

easy-responsive-tabs.css

easy-responsive-tabs.css

43 ms

lazysizes.js

lazysizes.js

34 ms

vendor.js

vendor.js

33 ms

theme.js

theme.js

63 ms

styles.css

styles.css

61 ms

jQueryOT.min.js

jQueryOT.min.js

37 ms

klaviyo.js

klaviyo.js

46 ms

embed.js

embed.js

43 ms

cart.js

cart.js

71 ms

globo.formbuilder.index.js

globo.formbuilder.index.js

44 ms

application.scss

application.scss

32 ms

david-jack.css

david-jack.css

66 ms

jquery.bpopup.js

jquery.bpopup.js

63 ms

jquery.ajaxchimp.min.js

jquery.ajaxchimp.min.js

64 ms

new-style.css

new-style.css

63 ms

responsive-new.css

responsive-new.css

62 ms

responsive.css

responsive.css

64 ms

lush-icons.css

lush-icons.css

65 ms

custom.min.js

custom.min.js

65 ms

booster-page-speed-optimizer.js

booster-page-speed-optimizer.js

60 ms

Untitled_design_1_76d7d8d1-132f-40cd-98e2-8d5740e089f4_300x300.png

Untitled_design_1_76d7d8d1-132f-40cd-98e2-8d5740e089f4_300x300.png

86 ms

logo_icon_108e2d74-f9f7-454f-8d3f-07d75cb12ee5_300x300.png

logo_icon_108e2d74-f9f7-454f-8d3f-07d75cb12ee5_300x300.png

86 ms

Untitled_design_2_2207b9c7-de5a-4f5b-9967-1bcd26ba0d01_200x200.png

Untitled_design_2_2207b9c7-de5a-4f5b-9967-1bcd26ba0d01_200x200.png

201 ms

clinic_page_testimonia_Clinic_Page_Testimonia_600_x_800_px_600x.jpg

clinic_page_testimonia_Clinic_Page_Testimonia_600_x_800_px_600x.jpg

334 ms

logo_icon_7e9db53c-216c-44c0-ba63-5343a44e0ff2_177x177.png

logo_icon_7e9db53c-216c-44c0-ba63-5343a44e0ff2_177x177.png

87 ms

sca.freegift.css

sca.freegift.css

80 ms

option_selection-86cdd286ddf3be7e25d68b9fc5965d7798a3ff6228ff79af67b3f4e41d6a34be.js

option_selection-86cdd286ddf3be7e25d68b9fc5965d7798a3ff6228ff79af67b3f4e41d6a34be.js

82 ms

336 ms

js

js

246 ms

trekkie.storefront.64022fdadec5c8ec4be5f67dbeb0521916405ce3.min.js

trekkie.storefront.64022fdadec5c8ec4be5f67dbeb0521916405ce3.min.js

233 ms

shop_events_listener-a7c63dba65ccddc484f77541dc8ca437e60e1e9e297fe1c3faebf6523a0ede9b.js

shop_events_listener-a7c63dba65ccddc484f77541dc8ca437e60e1e9e297fe1c3faebf6523a0ede9b.js

233 ms

shopify-boomerang-1.0.0.min.js

shopify-boomerang-1.0.0.min.js

230 ms

next.png

next.png

134 ms

prev.png

prev.png

220 ms

link_arrow.png

link_arrow.png

222 ms

fender_analytics.739eafc699de20b4c3bb.js

fender_analytics.739eafc699de20b4c3bb.js

211 ms

static.047f24ade89e4aff54a9.js

static.047f24ade89e4aff54a9.js

209 ms

runtime.f0f0482b9dd21f54d9ed.js

runtime.f0f0482b9dd21f54d9ed.js

98 ms

sharedUtils.52f9c435f5e232af1a21.js

sharedUtils.52f9c435f5e232af1a21.js

187 ms

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.3ee75b12730991c4d04b.js

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.3ee75b12730991c4d04b.js

187 ms

vendors~signup_forms~onsite-triggering.3bd60bc0c4ae67cf36d4.js

vendors~signup_forms~onsite-triggering.3bd60bc0c4ae67cf36d4.js

186 ms

vendors~signup_forms.50492d1c54f7e5a4075a.js

vendors~signup_forms.50492d1c54f7e5a4075a.js

186 ms

default~signup_forms~onsite-triggering.ddf307d73959ae2a00ef.js

default~signup_forms~onsite-triggering.ddf307d73959ae2a00ef.js

207 ms

signup_forms.5828d30d7aa945da8745.js

signup_forms.5828d30d7aa945da8745.js

200 ms

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.3ee75b12730991c4d04b.js

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.3ee75b12730991c4d04b.js

209 ms

post_identification_sync.39cdd7baee564a8037ee.js

post_identification_sync.39cdd7baee564a8037ee.js

209 ms

Untitled_design_1_76d7d8d1-132f-40cd-98e2-8d5740e089f4_180x.png

Untitled_design_1_76d7d8d1-132f-40cd-98e2-8d5740e089f4_180x.png

54 ms

logo_icon_108e2d74-f9f7-454f-8d3f-07d75cb12ee5_180x.png

logo_icon_108e2d74-f9f7-454f-8d3f-07d75cb12ee5_180x.png

54 ms

img-1_540x.jpg

img-1_540x.jpg

306 ms

Skin_Analysis_Treatment_imageArtboard_1_copy_2_1296x.jpg

Skin_Analysis_Treatment_imageArtboard_1_copy_2_1296x.jpg

301 ms

50 ms

siteTagHandler.php

siteTagHandler.php

149 ms

Accessibility Review

drdavidjackclinic.com accessibility score

87

Accessibility Issues

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

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

drdavidjackclinic.com 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

drdavidjackclinic.com SEO score

79

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

High

Image elements do not have [alt] attributes

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 Drdavidjackclinic.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 Drdavidjackclinic.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

drdavidjackclinic.com

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