Tools & Wizards About Us
vnstherapy.co.uk screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

vnstherapy.co.uk

Vagus Nerve Stimulation VNS Therapy for Epilepsy | LivaNova UK

Page Load Speed

2.9 sec in total

First Response

264 ms

Resources Loaded

2 sec

Page Rendered

691 ms

vnstherapy.co.uk screenshot

About Website

Visit vnstherapy.co.uk now to see the best up-to-date VNS Therapy content and also check out these interesting facts you probably never knew about vnstherapy.co.uk

VNS Therapy™ for Epilepsy can lead to fewer, shorter seizures with better recovery after seizures. Discover more about the potential benefits.

Visit vnstherapy.co.uk

Key Findings

We analyzed Vnstherapy.co.uk page load time and found that the first response time was 264 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

vnstherapy.co.uk performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value1,680 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

en-gb

264 ms

main.css

87 ms

systemPageComponents.min.css

194 ms

jquery-3.6.0.min.js

237 ms

polyfills.js

336 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Vnstherapy.co.uk, 6% (4 requests) were made to Cdn-ukwest.onetrust.com and 6% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (891 ms) relates to the external source I.vimeocdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 582.8 kB (44%)

Content Size

1.3 MB

After Optimization

752.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vnstherapy.co.uk main page is 1.3 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. 65% of websites need less resources to load. HTML takes 534.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 454.9 kB

  • Original 534.0 kB
  • After minification 525.8 kB
  • After compression 79.1 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 454.9 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 7.8 kB

  • Original 189.6 kB
  • After minification 181.8 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. VNS Therapy images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 87.1 kB

  • Original 509.8 kB
  • After minification 509.8 kB
  • After compression 422.7 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 87.1 kB or 17% of the original size.

CSS Optimization

-33%

Potential reduce by 33.0 kB

  • Original 101.5 kB
  • After minification 101.5 kB
  • After compression 68.5 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. Vnstherapy.co.uk needs all CSS files to be minified and compressed as it can save up to 33.0 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (43%)

Requests Now

63

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VNS Therapy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

en-gb

en-gb

264 ms

main.css

main.css

87 ms

systemPageComponents.min.css

systemPageComponents.min.css

194 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

237 ms

polyfills.js

polyfills.js

336 ms

index.js

index.js

387 ms

otSDKStub.js

otSDKStub.js

54 ms

gtm.js

gtm.js

59 ms

gtm.js

gtm.js

143 ms

flag-au.png

flag-au.png

43 ms

flag-br.png

flag-br.png

130 ms

flag-ca.png

flag-ca.png

271 ms

flag-co.png

flag-co.png

141 ms

flag-de.png

flag-de.png

230 ms

flag-nl.png

flag-nl.png

230 ms

flag-pt.png

flag-pt.png

267 ms

flag-es.png

flag-es.png

300 ms

flag-se.png

flag-se.png

295 ms

flag-gb.png

flag-gb.png

358 ms

flag-en.png

flag-en.png

295 ms

774260378

774260378

360 ms

774309995

774309995

209 ms

774259636

774259636

360 ms

flag-GB.png

flag-GB.png

196 ms

epilepsy-logo.svg

epilepsy-logo.svg

244 ms

vns-therapy-logo-tm.svg

vns-therapy-logo-tm.svg

246 ms

breanna6764.jpg

breanna6764.jpg

283 ms

1-out-of-3-people-with-epilepsy.png

1-out-of-3-people-with-epilepsy.png

249 ms

Fewer-Seizures_2.png

Fewer-Seizures_2.png

249 ms

Shorter-Seizures_1.png

Shorter-Seizures_1.png

282 ms

Less-Severe-Seizures_1.png

Less-Severe-Seizures_1.png

283 ms

Seizure-Recovery.png

Seizure-Recovery.png

284 ms

improved-quality-of-life_1.png

improved-quality-of-life_1.png

357 ms

Mood.png

Mood.png

397 ms

hospital_1.png

hospital_1.png

391 ms

pattern-complex-white15.svg

pattern-complex-white15.svg

352 ms

seizure-reduction.png

seizure-reduction.png

343 ms

Gary-modified.png

Gary-modified.png

418 ms

normal-mode.png

normal-mode.png

375 ms

autostim.png

autostim.png

396 ms

Magnet.png

Magnet.png

395 ms

Scheduled-Programming-32.png

Scheduled-Programming-32.png

417 ms

day-night-programming_1.png

day-night-programming_1.png

427 ms

livanova-logo.svg

livanova-logo.svg

441 ms

3b4ab6ff-062d-4b1b-acea-de1f91b92a79.json

3b4ab6ff-062d-4b1b-acea-de1f91b92a79.json

143 ms

js

js

107 ms

js

js

180 ms

hotjar-1959936.js

hotjar-1959936.js

168 ms

jquery.min.js

jquery.min.js

79 ms

7410006.js

7410006.js

130 ms

main.css

main.css

409 ms

systemPageComponents.min.css

systemPageComponents.min.css

300 ms

location

location

83 ms

1553616700-be3e22b9e83fd69c0f21abdab7188d83cc3648c3e4a4557470f74aa41db49c16-d

1553616700-be3e22b9e83fd69c0f21abdab7188d83cc3648c3e4a4557470f74aa41db49c16-d

891 ms

otBannerSdk.js

otBannerSdk.js

41 ms

7410006.js

7410006.js

170 ms

fb.js

fb.js

86 ms

banner.js

banner.js

123 ms

conversations-embed.js

conversations-embed.js

90 ms

web-interactives-embed.js

web-interactives-embed.js

110 ms

modules.a4fd7e5489291affcf56.js

modules.a4fd7e5489291affcf56.js

46 ms

en.json

en.json

132 ms

1553619920-5292242b3a90656ed962cadeb7f23d2fc56be08d0dd2f209b39fc7fdecfc3f38-d

1553619920-5292242b3a90656ed962cadeb7f23d2fc56be08d0dd2f209b39fc7fdecfc3f38-d

68 ms

1553544927-669332a6a62bef686803deeb8b5251795eac10cc7018e85f7ff77b2e225594a0-d

1553544927-669332a6a62bef686803deeb8b5251795eac10cc7018e85f7ff77b2e225594a0-d

26 ms

Accessibility Review

vnstherapy.co.uk accessibility score

87

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

vnstherapy.co.uk 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

vnstherapy.co.uk SEO score

82

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

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

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 Vnstherapy.co.uk 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 Vnstherapy.co.uk 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

vnstherapy.co.uk

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