Tools & Wizards About Us
vnstherapy.co.uk screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% 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

2.7 sec in total

First Response

296 ms

Resources Loaded

1.5 sec

Page Rendered

838 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 296 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

vnstherapy.co.uk performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value2,830 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.195

63/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

en-gb

296 ms

index.css

217 ms

runtime.js

44 ms

index.js

272 ms

apps.js

175 ms

Our browser made a total of 55 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, 15% (8 requests) were made to Cdn-ukwest.onetrust.com and 5% (3 requests) were made to Player.vimeo.com. The less responsive or slowest element that took the longest time to load (341 ms) relates to the external source Player.vimeo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.7 kB (39%)

Content Size

376.6 kB

After Optimization

228.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vnstherapy.co.uk main page is 376.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. HTML takes 146.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 119.5 kB

  • Original 146.9 kB
  • After minification 138.1 kB
  • After compression 27.3 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 119.5 kB or 81% of the original size.

Image Optimization

-18%

Potential reduce by 5.5 kB

  • Original 30.1 kB
  • After minification 24.6 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. Obviously, VNS Therapy needs image optimization as it can save up to 5.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 2.9 kB

  • Original 123.6 kB
  • After minification 123.6 kB
  • After compression 120.6 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

-26%

Potential reduce by 19.7 kB

  • Original 76.0 kB
  • After minification 76.0 kB
  • After compression 56.3 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. Vnstherapy.co.uk needs all CSS files to be minified and compressed as it can save up to 19.7 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (11%)

Requests Now

54

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 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 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

en-gb

en-gb

296 ms

index.css

index.css

217 ms

runtime.js

runtime.js

44 ms

index.js

index.js

272 ms

apps.js

apps.js

175 ms

otSDKStub.js

otSDKStub.js

80 ms

systemPageComponents.min.css

systemPageComponents.min.css

266 ms

774260378

774260378

305 ms

774309995

774309995

339 ms

774259636

774259636

341 ms

flag-GB.png

flag-GB.png

66 ms

epilepsy-logo.svg

epilepsy-logo.svg

54 ms

vns-therapy-logo-tm.svg

vns-therapy-logo-tm.svg

50 ms

breanna6764.webp

breanna6764.webp

148 ms

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

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

107 ms

Fewer-Seizures_2.webp

Fewer-Seizures_2.webp

185 ms

Shorter-Seizures_1.webp

Shorter-Seizures_1.webp

93 ms

Less-Severe-Seizures_1.webp

Less-Severe-Seizures_1.webp

90 ms

Seizure-Recovery.webp

Seizure-Recovery.webp

106 ms

improved-quality-of-life_1.webp

improved-quality-of-life_1.webp

130 ms

Mood.webp

Mood.webp

154 ms

hospital_1.webp

hospital_1.webp

190 ms

pattern-complex-white15.svg

pattern-complex-white15.svg

190 ms

seizure-reduction.webp

seizure-reduction.webp

169 ms

Gary-modified.webp

Gary-modified.webp

228 ms

normal-mode.webp

normal-mode.webp

197 ms

autostim.webp

autostim.webp

207 ms

Magnet.webp

Magnet.webp

221 ms

Scheduled-Programming-32.webp

Scheduled-Programming-32.webp

228 ms

day-night-programming_1.webp

day-night-programming_1.webp

232 ms

livanova-logo.svg

livanova-logo.svg

246 ms

flag-au.png

flag-au.png

245 ms

flag-br.png

flag-br.png

261 ms

flag-ca.png

flag-ca.png

276 ms

flag-co.png

flag-co.png

268 ms

flag-de.png

flag-de.png

274 ms

flag-it.png

flag-it.png

286 ms

flag-nl.png

flag-nl.png

292 ms

flag-pt.png

flag-pt.png

308 ms

flag-es.png

flag-es.png

314 ms

flag-se.png

flag-se.png

318 ms

flag-jp.png

flag-jp.png

318 ms

flag-gb.png

flag-gb.png

324 ms

flag-us.png

flag-us.png

301 ms

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

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

45 ms

location

location

41 ms

otBannerSdk.js

otBannerSdk.js

25 ms

en.json

en.json

32 ms

otFlat.json

otFlat.json

26 ms

otPcPanel.json

otPcPanel.json

23 ms

otCookieSettingsButton.json

otCookieSettingsButton.json

128 ms

otCommonStyles.css

otCommonStyles.css

58 ms

1553619920-5292242b3a90656ed962cadeb7f23d2fc56be08d0dd2f209b39fc7fdecfc3f38-d

1553619920-5292242b3a90656ed962cadeb7f23d2fc56be08d0dd2f209b39fc7fdecfc3f38-d

276 ms

1553544927-669332a6a62bef686803deeb8b5251795eac10cc7018e85f7ff77b2e225594a0-d

1553544927-669332a6a62bef686803deeb8b5251795eac10cc7018e85f7ff77b2e225594a0-d

306 ms

1553616700-be3e22b9e83fd69c0f21abdab7188d83cc3648c3e4a4557470f74aa41db49c16-d

1553616700-be3e22b9e83fd69c0f21abdab7188d83cc3648c3e4a4557470f74aa41db49c16-d

309 ms

Accessibility Review

vnstherapy.co.uk accessibility score

94

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

vnstherapy.co.uk best practices score

67

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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

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: