Tools & Wizards About Us

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

contact.lensesrx.com

Best Prescription Glasses Lens Replacement and Eyewear Shop

Page Load Speed

860 ms in total

First Response

154 ms

Resources Loaded

407 ms

Page Rendered

299 ms

About Website

Click here to check amazing Contact Lens Esrx content for United States. Otherwise, check out these important facts you probably never knew about contact.lensesrx.com

Online optical shop for new discount prescription glasses and replacement lenses in your own frames.

Visit contact.lensesrx.com

Key Findings

We analyzed Contact.lensesrx.com page load time and found that the first response time was 154 ms and then it took 706 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

contact.lensesrx.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value640 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

lensesrx.com

154 ms

global.css

15 ms

top.css

24 ms

tools.js

27 ms

jquery.js

36 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Contact.lensesrx.com, 3% (2 requests) were made to Sealserver.trustwave.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (154 ms) relates to the external source Lensesrx.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.0 kB (10%)

Content Size

735.1 kB

After Optimization

658.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Contact.lensesrx.com main page is 735.1 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 607.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 65.0 kB

  • Original 75.9 kB
  • After minification 56.0 kB
  • After compression 10.9 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 19.9 kB, which is 26% 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 65.0 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 3.5 kB

  • Original 607.4 kB
  • After minification 603.8 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. Contact Lens Esrx images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 4.6 kB

  • Original 31.3 kB
  • After minification 30.8 kB
  • After compression 26.7 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 4.6 kB or 15% of the original size.

CSS Optimization

-19%

Potential reduce by 3.8 kB

  • Original 20.5 kB
  • After minification 20.5 kB
  • After compression 16.7 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. Contact.lensesrx.com needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (17%)

Requests Now

59

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Contact Lens Esrx. 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.

Network Requests Diagram

Accessibility Review

contact.lensesrx.com accessibility score

56

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

contact.lensesrx.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

contact.lensesrx.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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Contact.lensesrx.com 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 Contact.lensesrx.com 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 Contact Lens Esrx. 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: