Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

lenses.com

Discount Contact Lenses Online | 70% Off Popular Brands | Lens.com

Page Load Speed

2.6 sec in total

First Response

81 ms

Resources Loaded

1.4 sec

Page Rendered

1.2 sec

lenses.com screenshot

About Website

Click here to check amazing Lenses content. Otherwise, check out these important facts you probably never knew about lenses.com

The most popular contact lenses at massively discounted prices, including Acuvue, Biofinity, and Dailies. Buy prescription eye contacts online for astigmatism, colored lenses and others, enjoy Lens ha...

Visit lenses.com

Key Findings

We analyzed Lenses.com page load time and found that the first response time was 81 ms and then it took 2.6 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

lenses.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value1,040 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.427

22/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

lenses.com

81 ms

www.lens.com

742 ms

gtm.js

814 ms

jquery-plus-plugs-new.min.js

39 ms

Global.min.js

81 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Lenses.com, 93% (66 requests) were made to Lens.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (814 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 969.2 kB (55%)

Content Size

1.7 MB

After Optimization

779.5 kB

In fact, the total size of Lenses.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. 60% of websites need less resources to load. HTML takes 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 967.5 kB

  • Original 1.2 MB
  • After minification 1.1 MB
  • After compression 196.4 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 967.5 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 463.9 kB
  • After minification 463.9 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. Lenses images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.7 kB

  • Original 120.9 kB
  • After minification 120.9 kB
  • After compression 119.2 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.

Requests Breakdown

Number of requests can be reduced by 10 (15%)

Requests Now

67

After Optimization

57

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lenses. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

lenses.com accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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 [lang] attribute

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

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>).

Best Practices

lenses.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

lenses.com SEO score

90

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

Image elements do not have [alt] attributes

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 Lenses.com 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 Lenses.com 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 data is detected on the main page of Lenses. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: