Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

customvisionclinic.com

Custom Vision Clinic | Lens Replacement & Laser Eye Surgery in Leeds & York

Page Load Speed

2.7 sec in total

First Response

230 ms

Resources Loaded

1.6 sec

Page Rendered

868 ms

About Website

Visit customvisionclinic.com now to see the best up-to-date Custom Vision Clinic content and also check out these interesting facts you probably never knew about customvisionclinic.com

Outstanding personalised laser eye surgery and lens replacement in Leeds and York. We are a world class private eye surgery clinic.

Visit customvisionclinic.com

Key Findings

We analyzed Customvisionclinic.com page load time and found that the first response time was 230 ms and then it took 2.5 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

customvisionclinic.com performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value2.5 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

customvisionclinic.com

230 ms

customvisionclinic.com

409 ms

19b2896a4776397e05ca8915ab39ed7a.css

241 ms

instant_click.min.js

310 ms

pminstantpage.min.js

317 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Customvisionclinic.com and no external sources were called. The less responsive or slowest element that took the longest time to load (660 ms) belongs to the original domain Customvisionclinic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 175.7 kB (10%)

Content Size

1.7 MB

After Optimization

1.5 MB

In fact, the total size of Customvisionclinic.com main page is 1.7 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 171.0 kB

  • Original 205.9 kB
  • After minification 205.7 kB
  • After compression 35.0 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 171.0 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 4.6 kB

  • Original 1.4 MB
  • After minification 1.4 MB

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. Custom Vision Clinic images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 26 B

  • Original 2.9 kB
  • After minification 2.9 kB
  • After compression 2.9 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

-0%

Potential reduce by 160 B

  • Original 60.6 kB
  • After minification 60.6 kB
  • After compression 60.4 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. Customvisionclinic.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Custom Vision Clinic. According to our analytics all requests are already optimized.

Accessibility Review

customvisionclinic.com 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

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

Links do not have a discernible name

Best Practices

customvisionclinic.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

customvisionclinic.com SEO score

93

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

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 Customvisionclinic.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 Customvisionclinic.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

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