Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

vision-link.co.uk

Home - Vision Link

Page Load Speed

1.4 sec in total

First Response

263 ms

Resources Loaded

1 sec

Page Rendered

121 ms

vision-link.co.uk screenshot

About Website

Welcome to vision-link.co.uk homepage info - get ready to check Vision Link best content for United Kingdom right away, or after learning these important things about vision-link.co.uk

Vision Link offer Solar Assisted GSM Cameras & Wireless Telemetry Sensors

Visit vision-link.co.uk

Key Findings

We analyzed Vision-link.co.uk page load time and found that the first response time was 263 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

vision-link.co.uk performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value20.7 s

0/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

Network Requests Diagram

vision-link.co.uk

263 ms

jquery.min.js

168 ms

jquery-migrate-1.2.1.min.js

164 ms

slider-min.js

166 ms

popup-min.js

166 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 73% of them (22 requests) were addressed to the original Vision-link.co.uk, 10% (3 requests) were made to Platform.twitter.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (470 ms) belongs to the original domain Vision-link.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.2 kB (17%)

Content Size

875.7 kB

After Optimization

726.5 kB

In fact, the total size of Vision-link.co.uk main page is 875.7 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. 40% of websites need less resources to load. Images take 674.7 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 14.9 kB

  • Original 21.0 kB
  • After minification 18.6 kB
  • After compression 6.1 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. This page needs HTML code to be minified as it can gain 2.4 kB, which is 11% 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 14.9 kB or 71% of the original size.

Image Optimization

-4%

Potential reduce by 29.0 kB

  • Original 674.7 kB
  • After minification 645.6 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. Vision Link images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 70.8 kB

  • Original 140.2 kB
  • After minification 140.2 kB
  • After compression 69.5 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 70.8 kB or 50% of the original size.

CSS Optimization

-87%

Potential reduce by 34.5 kB

  • Original 39.7 kB
  • After minification 26.7 kB
  • After compression 5.2 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. Vision-link.co.uk needs all CSS files to be minified and compressed as it can save up to 34.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (31%)

Requests Now

29

After Optimization

20

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vision Link. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

vision-link.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.

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

vision-link.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

vision-link.co.uk SEO score

83

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vision-link.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vision-link.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

Open Graph description is not detected on the main page of Vision Link. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: