Tools & Wizards About Us

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

thinlenses.co.uk

ThinLenses.co.uk - High Index Lenses | Prescription Glasses | Varifocal Lenses | Fashion Frames | Designer Glasses | Ultra Thin Lenses | Reglaze glass...

Page Load Speed

2.4 sec in total

First Response

114 ms

Resources Loaded

1.9 sec

Page Rendered

356 ms

About Website

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

ThinLenses is the UK's premier supplier of prescription glasses with High Index Lenses, Ultra Thin Lenses, Varifocal Lenses and Transitions Lenses with prices that are 70% cheaper than a high str...

Visit thinlenses.co.uk

Key Findings

We analyzed Thinlenses.co.uk page load time and found that the first response time was 114 ms and then it took 2.3 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

thinlenses.co.uk performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

16/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.664

8/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

thinlenses.co.uk

114 ms

www.thinlenses.co.uk

962 ms

newstyle.css

118 ms

jquery.min.js

7 ms

default.css

74 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 67% of them (63 requests) were addressed to the original Thinlenses.co.uk, 5% (5 requests) were made to Translate.googleapis.com and 4% (4 requests) were made to S.trustpilot.com. The less responsive or slowest element that took the longest time to load (962 ms) belongs to the original domain Thinlenses.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.3 MB (72%)

Content Size

3.2 MB

After Optimization

900.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Thinlenses.co.uk main page is 3.2 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. HTML takes 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 1.5 MB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 131.6 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 1.5 MB or 92% of the original size.

Image Optimization

-9%

Potential reduce by 50.0 kB

  • Original 531.9 kB
  • After minification 482.0 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. Thinlenses images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 264.9 kB

  • Original 480.3 kB
  • After minification 448.4 kB
  • After compression 215.3 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 264.9 kB or 55% of the original size.

CSS Optimization

-86%

Potential reduce by 430.2 kB

  • Original 502.0 kB
  • After minification 412.7 kB
  • After compression 71.8 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. Thinlenses.co.uk needs all CSS files to be minified and compressed as it can save up to 430.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (38%)

Requests Now

90

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thinlenses. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

thinlenses.co.uk accessibility score

88

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

Best Practices

thinlenses.co.uk 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

thinlenses.co.uk SEO score

76

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Thinlenses.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 Thinlenses.co.uk main page’s claimed encoding is iso-8859-1. 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 Thinlenses. 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: