Tools & Wizards About Us
interlenses.co.uk screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

interlenses.co.uk

Buy cheap contact lenses online. All brands. Save money. | Interlenses.co.uk

Page Load Speed

6.7 sec in total

First Response

107 ms

Resources Loaded

6.4 sec

Page Rendered

276 ms

interlenses.co.uk screenshot

About Website

Visit interlenses.co.uk now to see the best up-to-date Interlenses content and also check out these interesting facts you probably never knew about interlenses.co.uk

Europes #1 for contact lenses and eye drops/cleaning solutions. No prescription needed. Your brand at prices up to 50% cheaper than high street opticians. Fast delivery, most sold lenses in stock. Gre...

Visit interlenses.co.uk

Key Findings

We analyzed Interlenses.co.uk page load time and found that the first response time was 107 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

interlenses.co.uk performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value19.9 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value2,250 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.2

62/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

interlenses.co.uk

107 ms

interlenses.co.uk

637 ms

08c03a16dc8d0b0360395b7c3e99ff2d.css

80 ms

98044f2a828430a1e4278adff2d4cedc.js

126 ms

js

79 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 82% of them (97 requests) were addressed to the original Interlenses.co.uk, 5% (6 requests) were made to Youtube.com and 3% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Interlenses.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 513.8 kB (15%)

Content Size

3.3 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Interlenses.co.uk main page is 3.3 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. Only a small number of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 175.4 kB

  • Original 204.6 kB
  • After minification 176.8 kB
  • After compression 29.2 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 27.8 kB, which is 14% 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 175.4 kB or 86% of the original size.

Image Optimization

-10%

Potential reduce by 247.9 kB

  • Original 2.4 MB
  • After minification 2.1 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. Interlenses images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 65.3 kB

  • Original 573.8 kB
  • After minification 573.6 kB
  • After compression 508.5 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 65.3 kB or 11% of the original size.

CSS Optimization

-14%

Potential reduce by 25.3 kB

  • Original 184.3 kB
  • After minification 184.3 kB
  • After compression 159.0 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. Interlenses.co.uk needs all CSS files to be minified and compressed as it can save up to 25.3 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (24%)

Requests Now

109

After Optimization

83

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Interlenses. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

interlenses.co.uk

interlenses.co.uk

107 ms

interlenses.co.uk

interlenses.co.uk

637 ms

08c03a16dc8d0b0360395b7c3e99ff2d.css

08c03a16dc8d0b0360395b7c3e99ff2d.css

80 ms

98044f2a828430a1e4278adff2d4cedc.js

98044f2a828430a1e4278adff2d4cedc.js

126 ms

js

js

79 ms

css

css

35 ms

email-decode.min.js

email-decode.min.js

202 ms

analytics.js

analytics.js

188 ms

bat.js

bat.js

186 ms

flag-uk.jpg

flag-uk.jpg

451 ms

flag-dk.jpg

flag-dk.jpg

447 ms

flag-de.jpg

flag-de.jpg

378 ms

flag-fr.jpg

flag-fr.jpg

514 ms

flag-it.jpg

flag-it.jpg

377 ms

flag-nl.jpg

flag-nl.jpg

377 ms

flag-pl.jpg

flag-pl.jpg

405 ms

flag-pt.jpg

flag-pt.jpg

406 ms

flag-es.jpg

flag-es.jpg

519 ms

flag-se.jpg

flag-se.jpg

408 ms

flag-usa.jpg

flag-usa.jpg

906 ms

icon-image.png

icon-image.png

444 ms

logo.png

logo.png

450 ms

ico-minicart.png

ico-minicart.png

447 ms

contact-lenses-menu1.jpg

contact-lenses-menu1.jpg

451 ms

contact-lenses-accessories.jpg

contact-lenses-accessories.jpg

1130 ms

acuvue.png

acuvue.png

457 ms

1-day-acuvue-moist-30-pack.jpg

1-day-acuvue-moist-30-pack.jpg

479 ms

1-day-acuvue-moist-90-pack.jpg

1-day-acuvue-moist-90-pack.jpg

942 ms

1-day-acuvue-moist-astigmatism-30-pack.jpg

1-day-acuvue-moist-astigmatism-30-pack.jpg

517 ms

1-day-acuvue-moist-astigmatism-90_1.jpg

1-day-acuvue-moist-astigmatism-90_1.jpg

942 ms

1-day-acuvue-moist-multifocal-30-pack.jpg

1-day-acuvue-moist-multifocal-30-pack.jpg

941 ms

1-day-acuvue-moist-multifocal-90-pack.jpg

1-day-acuvue-moist-multifocal-90-pack.jpg

555 ms

acuvue-2-6-pack.jpg

acuvue-2-6-pack.jpg

940 ms

acuvua-oasys-12.png

acuvua-oasys-12.png

1340 ms

acuvue-oasys-6.jpg

acuvue-oasys-6.jpg

945 ms

acuvue-oasys-1-day-30.jpg

acuvue-oasys-1-day-30.jpg

945 ms

acuvue-oasys-1-day-90.jpg

acuvue-oasys-1-day-90.jpg

1354 ms

acuvue-oasys-1-day-astigmatism-30.png

acuvue-oasys-1-day-astigmatism-30.png

964 ms

acuvue-oasys-1-day-for-astigmatism-90.jpg

acuvue-oasys-1-day-for-astigmatism-90.jpg

978 ms

acuvue-oasys-astigmatism_1.jpg

acuvue-oasys-astigmatism_1.jpg

976 ms

acuvue-oasys-for-presbyopia_1.jpg

acuvue-oasys-for-presbyopia_1.jpg

1366 ms

acuvue-oasys-multifocal.png

acuvue-oasys-multifocal.png

1550 ms

acuvue-vita-3-pack.jpg

acuvue-vita-3-pack.jpg

998 ms

acuvue-vita-6-pack.jpg

acuvue-vita-6-pack.jpg

1122 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

356 ms

OpenSans-Regular.ttf

OpenSans-Regular.ttf

2172 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

358 ms

A4qNaCj10bY

A4qNaCj10bY

355 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1960 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1884 ms

collect

collect

50 ms

25087459.js

25087459.js

42 ms

acuvue-vita-for-astigmatism.jpg

acuvue-vita-for-astigmatism.jpg

2854 ms

air-optix.png

air-optix.png

983 ms

air-optix-aqua-800x444.png

air-optix-aqua-800x444.png

997 ms

main.js

main.js

41 ms

air-optix-aqua-800x444_1.png

air-optix-aqua-800x444_1.png

995 ms

air_optix_colors_3.jpg

air_optix_colors_3.jpg

1005 ms

air-optix-colors-2pack_1.jpg

air-optix-colors-2pack_1.jpg

1021 ms

transferir_1_.jpg

transferir_1_.jpg

2829 ms

transferir_1__1.jpg

transferir_1__1.jpg

1106 ms

air-optix_night-and-day-aqua-800x444.png

air-optix_night-and-day-aqua-800x444.png

1123 ms

www-player.css

www-player.css

28 ms

www-embed-player.js

www-embed-player.js

64 ms

base.js

base.js

104 ms

air-optix-plus-hydraglyde-for-astigmatism-800x462.jpg

air-optix-plus-hydraglyde-for-astigmatism-800x462.jpg

1132 ms

air-optix-plus-hydraglyde-for-astigmatism-800x462_1.jpg

air-optix-plus-hydraglyde-for-astigmatism-800x462_1.jpg

1124 ms

air-optix-plus-hydraglyde-multifocal-800x456.jpg

air-optix-plus-hydraglyde-multifocal-800x456.jpg

1108 ms

air-optix-plus-hydraglyde-multifocal-800x456_1.jpg

air-optix-plus-hydraglyde-multifocal-800x456_1.jpg

2761 ms

biofinity.png

biofinity.png

1730 ms

biofinity-3-pack.jpg

biofinity-3-pack.jpg

1705 ms

ad_status.js

ad_status.js

206 ms

biofinity-6-pack.jpg

biofinity-6-pack.jpg

1519 ms

qYKp54bxMdgPywYfc-yhqguRPCT31YTVhLYxMebccTE.js

qYKp54bxMdgPywYfc-yhqguRPCT31YTVhLYxMebccTE.js

149 ms

embed.js

embed.js

45 ms

biofinity-energys_1.jpg

biofinity-energys_1.jpg

2355 ms

biofinity-energys_1_1.jpg

biofinity-energys_1_1.jpg

1358 ms

biofinity-multifocal-3-pack.jpg

biofinity-multifocal-3-pack.jpg

1365 ms

biofinity-multifocal_-6-pack.png

biofinity-multifocal_-6-pack.png

3241 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

27 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

40 ms

biofinity-toric-3-pack.jpg

biofinity-toric-3-pack.jpg

1415 ms

id

id

33 ms

biofinity-toric-6-pack.png

biofinity-toric-6-pack.png

1449 ms

biofinity-xr-3-pack.jpg

biofinity-xr-3-pack.jpg

1459 ms

biofinity-xr-6-pack.jpg

biofinity-xr-6-pack.jpg

3297 ms

dailies.png

dailies.png

2297 ms

dailies_aquacomfortplus_30_new.jpg

dailies_aquacomfortplus_30_new.jpg

2303 ms

Create

Create

142 ms

dailies_aquacomfortplus_90_new_1.jpg

dailies_aquacomfortplus_90_new_1.jpg

2286 ms

dailies_aquacomfortplus_multifocal_30.jpg

dailies_aquacomfortplus_multifocal_30.jpg

2161 ms

dailies_aquacomfort_plus_multifocal.jpg

dailies_aquacomfort_plus_multifocal.jpg

3128 ms

GenerateIT

GenerateIT

13 ms

dailies_aquacomfort_plus_toric-30_2.jpg

dailies_aquacomfort_plus_toric-30_2.jpg

2939 ms

aquacomfort_plus_toric_90.png

aquacomfort_plus_toric_90.png

1952 ms

dailies_total1-30-800x284.jpg

dailies_total1-30-800x284.jpg

1940 ms

dailies_total1-90-800x793.jpg

dailies_total1-90-800x793.jpg

2907 ms

dailies_total1-mf-30-737x275.jpg

dailies_total1-mf-30-737x275.jpg

2892 ms

dailies_total1-mf-90-800x795.jpg

dailies_total1-mf-90-800x795.jpg

2764 ms

focus_dailies_30.jpg

focus_dailies_30.jpg

2765 ms

focus_dailies_90_1.jpg

focus_dailies_90_1.jpg

2762 ms

freshlook.png

freshlook.png

2696 ms

freshlook_colorblends.png

freshlook_colorblends.png

3231 ms

freshlook_colorblends_1.png

freshlook_colorblends_1.png

2702 ms

freshlook_colors_1.png

freshlook_colors_1.png

2696 ms

freshlook_colors.png

freshlook_colors.png

2691 ms

freshlook_one_day_color_1.png

freshlook_one_day_color_1.png

2678 ms

freshlook_one_day_color.png

freshlook_one_day_color.png

2055 ms

in_stock.png

in_stock.png

2048 ms

Easy%20contact%20lens%20returns.png

Easy%20contact%20lens%20returns.png

2051 ms

logo.png

logo.png

2345 ms

ico-contactus.png

ico-contactus.png

2010 ms

payment-bg.png

payment-bg.png

2014 ms

backtotop.png

backtotop.png

2388 ms

ico-searchbox.png

ico-searchbox.png

1971 ms

interlenses_banner2.png

interlenses_banner2.png

3048 ms

log_event

log_event

25 ms

3092b998cd8dc6bde2e20d837cb277e9.css

3092b998cd8dc6bde2e20d837cb277e9.css

19 ms

Accessibility Review

interlenses.co.uk accessibility score

54

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a valid value for its [lang] attribute.

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

interlenses.co.uk best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

interlenses.co.uk SEO score

69

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

High

Document doesn't have a valid hreflang

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Interlenses.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 Interlenses.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

interlenses.co.uk

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