Tools & Wizards About Us
optimalvision.co.uk screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

optimalvision.co.uk

Optimal Vision Eye Clinic London | Expert Eye Care & Surgery

Page Load Speed

3.9 sec in total

First Response

70 ms

Resources Loaded

2.8 sec

Page Rendered

1 sec

optimalvision.co.uk screenshot

About Website

Click here to check amazing Optimal Vision content for India. Otherwise, check out these important facts you probably never knew about optimalvision.co.uk

Optimal Vision Eye Clinic in London provides expert eye care and eye surgery for various ophthalmology diseases and conditions. Book a consultation today!

Visit optimalvision.co.uk

Key Findings

We analyzed Optimalvision.co.uk page load time and found that the first response time was 70 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

optimalvision.co.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value6.2 s

42/100

10%

TBT (Total Blocking Time)

Value1,860 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.119

85/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

optimalvision.co.uk

70 ms

optimalvision.co.uk

339 ms

www.optimalvision.co.uk

663 ms

bootstrap.min.css

195 ms

loading.css

302 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 87% of them (75 requests) were addressed to the original Optimalvision.co.uk, 5% (4 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (820 ms) belongs to the original domain Optimalvision.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 122.1 kB (12%)

Content Size

1.0 MB

After Optimization

878.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Optimalvision.co.uk main page is 1.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 721.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 97.8 kB

  • Original 116.2 kB
  • After minification 88.7 kB
  • After compression 18.3 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. This page needs HTML code to be minified as it can gain 27.5 kB, which is 24% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 97.8 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 9.7 kB

  • Original 721.8 kB
  • After minification 712.1 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. Optimal Vision images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 89 B

  • Original 74.5 kB
  • After minification 74.5 kB
  • After compression 74.4 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

-16%

Potential reduce by 14.4 kB

  • Original 87.6 kB
  • After minification 79.1 kB
  • After compression 73.1 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. Optimalvision.co.uk needs all CSS files to be minified and compressed as it can save up to 14.4 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (29%)

Requests Now

78

After Optimization

55

  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optimal Vision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

optimalvision.co.uk

optimalvision.co.uk

70 ms

optimalvision.co.uk

optimalvision.co.uk

339 ms

www.optimalvision.co.uk

www.optimalvision.co.uk

663 ms

bootstrap.min.css

bootstrap.min.css

195 ms

loading.css

loading.css

302 ms

owl.theme.default.min.css

owl.theme.default.min.css

301 ms

owl.carousel.min.css

owl.carousel.min.css

302 ms

font-awesome.min.css

font-awesome.min.css

305 ms

twentytwenty.css

twentytwenty.css

307 ms

font.css

font.css

308 ms

style.css

style.css

398 ms

responsive.css

responsive.css

408 ms

css2

css2

39 ms

js

js

86 ms

js

js

121 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

24 ms

jquery.min.js

jquery.min.js

540 ms

bootstrap.min.js

bootstrap.min.js

430 ms

jquery.cookie.js

jquery.cookie.js

430 ms

owl.carousel.min.js

owl.carousel.min.js

522 ms

scrollBar.js

scrollBar.js

551 ms

jquery.validate.js

jquery.validate.js

550 ms

bootstrap-notify.min.js

bootstrap-notify.min.js

550 ms

jquery.event.move.js

jquery.event.move.js

549 ms

jquery.twentytwenty.js

jquery.twentytwenty.js

538 ms

gtm.js

gtm.js

195 ms

fbevents.js

fbevents.js

195 ms

hotjar-2344212.js

hotjar-2344212.js

239 ms

placeholder-new.webp

placeholder-new.webp

247 ms

optimal-vision-logo.png

optimal-vision-logo.png

247 ms

menu-icon.png

menu-icon.png

248 ms

call-back.png

call-back.png

246 ms

phone-icon.png

phone-icon.png

247 ms

cqc-logo1.png

cqc-logo1.png

329 ms

google-review-logo.png

google-review-logo.png

335 ms

more_affordable_ov.webp

more_affordable_ov.webp

337 ms

video-5.webp

video-5.webp

433 ms

lasek-eye-surgery.jpg

lasek-eye-surgery.jpg

439 ms

lens-replacement-surgery-london.jpg

lens-replacement-surgery-london.jpg

644 ms

cataract-eye-surgery.jpg

cataract-eye-surgery.jpg

635 ms

eyelid-surgery.jpg

eyelid-surgery.jpg

432 ms

chalazion-removal-removebg-preview.jpg

chalazion-removal-removebg-preview.jpg

434 ms

retina-clinic.jpg

retina-clinic.jpg

531 ms

dry-eye-options.jpg

dry-eye-options.jpg

530 ms

keratoconus-laser-eye-surgery.webp

keratoconus-laser-eye-surgery.webp

532 ms

implantable-collamer-lens.webp

implantable-collamer-lens.webp

641 ms

video-1.webp

video-1.webp

627 ms

video-2.webp

video-2.webp

628 ms

video-3.webp

video-3.webp

629 ms

video-4.webp

video-4.webp

724 ms

gray-bg.webp

gray-bg.webp

725 ms

laser-eye-surgery-offer.webp

laser-eye-surgery-offer.webp

726 ms

testimonial-img.webp

testimonial-img.webp

737 ms

quote.png

quote.png

742 ms

eye-surgery.webp

eye-surgery.webp

744 ms

ratemds.png

ratemds.png

820 ms

call-to-action-banner-optimal-vision.webp

call-to-action-banner-optimal-vision.webp

728 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

815 ms

LDI2apCSOBg7S-QT7pbYF8Os.ttf

LDI2apCSOBg7S-QT7pbYF8Os.ttf

118 ms

LDI2apCSOBg7S-QT7pa8FsOs.ttf

LDI2apCSOBg7S-QT7pa8FsOs.ttf

139 ms

LDI2apCSOBg7S-QT7pb0EMOs.ttf

LDI2apCSOBg7S-QT7pb0EMOs.ttf

140 ms

LDIxapCSOBg7S-QT7q4A.ttf

LDIxapCSOBg7S-QT7q4A.ttf

157 ms

call-to-action-banner-optimal-vision-mobile.webp

call-to-action-banner-optimal-vision-mobile.webp

718 ms

review-1.webp

review-1.webp

722 ms

review-2.webp

review-2.webp

726 ms

review-3.webp

review-3.webp

797 ms

tick.png

tick.png

746 ms

optimal-vision-eye-surgery.webp

optimal-vision-eye-surgery.webp

766 ms

cta.webp

cta.webp

702 ms

call-cta.png

call-cta.png

706 ms

dr-bg.webp

dr-bg.webp

772 ms

dr-amir-mani-eye-surgeon.webp

dr-amir-mani-eye-surgeon.webp

774 ms

dr-phone.png

dr-phone.png

772 ms

google_review_logo.png

google_review_logo.png

718 ms

reviews-star.png

reviews-star.png

714 ms

google-icon.png

google-icon.png

718 ms

v1.jpg

v1.jpg

682 ms

v2.jpg

v2.jpg

685 ms

v5.jpg

v5.jpg

684 ms

world-map.webp

world-map.webp

710 ms

footer-arrow.png

footer-arrow.png

621 ms

cqc-logo.webp

cqc-logo.webp

625 ms

footer-address-icon.png

footer-address-icon.png

680 ms

footer-phone-icon.png

footer-phone-icon.png

588 ms

footer-email-icon.png

footer-email-icon.png

586 ms

footer-social.png

footer-social.png

622 ms

Accessibility Review

optimalvision.co.uk accessibility score

83

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

optimalvision.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

optimalvision.co.uk 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 Optimalvision.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 Optimalvision.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

optimalvision.co.uk

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