Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

lenscatalogue.co.uk

LensCatalogue is now ACLens

Page Load Speed

1 sec in total

First Response

47 ms

Resources Loaded

838 ms

Page Rendered

141 ms

lenscatalogue.co.uk screenshot

About Website

Visit lenscatalogue.co.uk now to see the best up-to-date Lens Catalogue content for United Kingdom and also check out these interesting facts you probably never knew about lenscatalogue.co.uk

Visit lenscatalogue.co.uk

Key Findings

We analyzed Lenscatalogue.co.uk page load time and found that the first response time was 47 ms and then it took 979 ms 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

lenscatalogue.co.uk performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value2,850 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

lenscatalogue.co.uk

47 ms

www.lenscatalogue.co.uk

49 ms

globalstyles2015121102.css

249 ms

basestyles2015042001.css

257 ms

conversion.js

13 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Lenscatalogue.co.uk, 69% (24 requests) were made to Ec24ba.aiso.net and 6% (2 requests) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (336 ms) relates to the external source Load.sumome.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 111.7 kB (39%)

Content Size

284.7 kB

After Optimization

172.9 kB

In fact, the total size of Lenscatalogue.co.uk main page is 284.7 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. 25% of websites need less resources to load. Images take 139.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 30.7 kB

  • Original 37.1 kB
  • After minification 33.7 kB
  • After compression 6.4 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 30.7 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 6.2 kB

  • Original 139.1 kB
  • After minification 132.8 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. Lens Catalogue images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 1.2 kB

  • Original 23.3 kB
  • After minification 22.8 kB
  • After compression 22.1 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

-86%

Potential reduce by 73.6 kB

  • Original 85.2 kB
  • After minification 63.2 kB
  • After compression 11.6 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. Lenscatalogue.co.uk needs all CSS files to be minified and compressed as it can save up to 73.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (16%)

Requests Now

31

After Optimization

26

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lens Catalogue. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

lenscatalogue.co.uk accessibility score

96

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

lenscatalogue.co.uk best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

lenscatalogue.co.uk SEO score

88

Search Engine Optimization Advices

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

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lenscatalogue.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 Lenscatalogue.co.uk main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Lens Catalogue. 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: