Tools & Wizards About Us
replacealens.com screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

replacealens.com

Eyeglass Lens Replacement - Replace Prescription Lenses

Page Load Speed

3 sec in total

First Response

290 ms

Resources Loaded

2.5 sec

Page Rendered

178 ms

replacealens.com screenshot

About Website

Click here to check amazing Replace A Lens content for United States. Otherwise, check out these important facts you probably never knew about replacealens.com

Browse our eyeglass lens replacement options and select your lenses! ReplaceALens fits new eyeglass lenses to your frames. Low prices, safe & easy, guaranteed!

Visit replacealens.com

Key Findings

We analyzed Replacealens.com page load time and found that the first response time was 290 ms and then it took 2.7 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

replacealens.com performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value2,320 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.27

45/100

15%

TTI (Time to Interactive)

Value17.0 s

5/100

10%

Network Requests Diagram

Default.asp

290 ms

jquery-ui.css

50 ms

default.css

95 ms

jquery-3.7.1.min.js

45 ms

jquery-migrate-merged.js

106 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 46% of them (42 requests) were addressed to the original Replacealens.com, 10% (9 requests) were made to Commondatastorage.googleapis.com and 4% (4 requests) were made to Dyn.yelpcdn.com. The less responsive or slowest element that took the longest time to load (410 ms) belongs to the original domain Replacealens.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 296.1 kB (32%)

Content Size

912.6 kB

After Optimization

616.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Replacealens.com main page is 912.6 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. 65% of websites need less resources to load. Javascripts take 629.8 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 74.6 kB

  • Original 110.2 kB
  • After minification 109.8 kB
  • After compression 35.6 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 74.6 kB or 68% of the original size.

Image Optimization

-2%

Potential reduce by 1.9 kB

  • Original 89.0 kB
  • After minification 87.1 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. Replace A Lens images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 219.4 kB

  • Original 629.8 kB
  • After minification 597.2 kB
  • After compression 410.3 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 219.4 kB or 35% of the original size.

CSS Optimization

-0%

Potential reduce by 143 B

  • Original 83.7 kB
  • After minification 83.7 kB
  • After compression 83.5 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. Replacealens.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 50 (63%)

Requests Now

79

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Replace A Lens. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Default.asp

Default.asp

290 ms

jquery-ui.css

jquery-ui.css

50 ms

default.css

default.css

95 ms

jquery-3.7.1.min.js

jquery-3.7.1.min.js

45 ms

jquery-migrate-merged.js

jquery-migrate-merged.js

106 ms

jquery-ui.min.js

jquery-ui.min.js

58 ms

volusion.js

volusion.js

137 ms

content.css

content.css

105 ms

paypal-rest-default-buttons.js

paypal-rest-default-buttons.js

129 ms

soft_add.css

soft_add.css

126 ms

javascripts.js

javascripts.js

155 ms

f2c8c7e93216e073_complete.js

f2c8c7e93216e073_complete.js

48 ms

js

js

52 ms

template.css

template.css

178 ms

style-editor.css

style-editor.css

187 ms

Lato-Oswald-Fonts.css

Lato-Oswald-Fonts.css

207 ms

css

css

50 ms

design-toolkit.min.js

design-toolkit.min.js

223 ms

style.css

style.css

221 ms

option_qty_price_updater_v1.01.js

option_qty_price_updater_v1.01.js

220 ms

vnav.css

vnav.css

253 ms

vnav.js

vnav.js

246 ms

template.min.js

template.min.js

269 ms

vextras.js

vextras.js

320 ms

class-name-watcher.js

class-name-watcher.js

286 ms

paypal-push-cart.js

paypal-push-cart.js

314 ms

push-cart.js

push-cart.js

281 ms

vef91dfe02fce4ee0ad053f6de4f175db1715022073587

vef91dfe02fce4ee0ad053f6de4f175db1715022073587

94 ms

fontello.css

fontello.css

213 ms

ionicons.min.css

ionicons.min.css

219 ms

materialdesignicons.min.css

materialdesignicons.min.css

19 ms

materialdesignicons.min.css

materialdesignicons.min.css

4 ms

css

css

20 ms

css

css

19 ms

gtm.js

gtm.js

111 ms

header_bg.png

header_bg.png

157 ms

Google-ReplaceALens-Star.jpg

Google-ReplaceALens-Star.jpg

156 ms

ReplaceALens-Facebook-Reviews.jpg

ReplaceALens-Facebook-Reviews.jpg

233 ms

Eyeglass-Star-Sale.png

Eyeglass-Star-Sale.png

156 ms

BBB-Rated-Eyeglasses.jpg

BBB-Rated-Eyeglasses.jpg

233 ms

Google-ReplaceALens.jpg

Google-ReplaceALens.jpg

233 ms

logo.png

logo.png

287 ms

ouVKYjKV6b8UiCRMAxKpXA.js

ouVKYjKV6b8UiCRMAxKpXA.js

215 ms

materialdesignicons-webfont.woff

materialdesignicons-webfont.woff

30 ms

materialdesignicons-webfont.woff

materialdesignicons-webfont.woff

253 ms

comslider.js

comslider.js

204 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

178 ms

tag.js

tag.js

108 ms

ip.php

ip.php

377 ms

ssl.asp

ssl.asp

391 ms

myaccount.asp

myaccount.asp

410 ms

ionicons.ttf

ionicons.ttf

120 ms

ajaxcart.asp

ajaxcart.asp

315 ms

ConfigurationSettingProvider.ashx

ConfigurationSettingProvider.ashx

355 ms

svgdefs.svg

svgdefs.svg

308 ms

ouVKYjKV6b8UiCRMAxKpXA.js

ouVKYjKV6b8UiCRMAxKpXA.js

94 ms

js

js

88 ms

analytics.js

analytics.js

205 ms

destination

destination

204 ms

loader.js

loader.js

199 ms

bat.js

bat.js

80 ms

hotjar-2611769.js

hotjar-2611769.js

277 ms

w.js

w.js

55 ms

ouVKYjKV6b8UiCRMAxKpXA.js

ouVKYjKV6b8UiCRMAxKpXA.js

272 ms

main.js

main.js

267 ms

jquery-1.10.1.js

jquery-1.10.1.js

252 ms

ouVKYjKV6b8UiCRMAxKpXA.js

ouVKYjKV6b8UiCRMAxKpXA.js

283 ms

materialdesignicons-webfont.ttf

materialdesignicons-webfont.ttf

206 ms

call-tracking_9.js

call-tracking_9.js

124 ms

collect

collect

66 ms

ouVKYjKV6b8UiCRMAxKpXA.js

ouVKYjKV6b8UiCRMAxKpXA.js

110 ms

modules.3b9efc26f753310c2bd8.js

modules.3b9efc26f753310c2bd8.js

72 ms

jquery-ui-1.10.3.effects.js

jquery-ui-1.10.3.effects.js

74 ms

settings.luckyorange.net

settings.luckyorange.net

41 ms

materialdesignicons-webfont.svg

materialdesignicons-webfont.svg

118 ms

login.asp

login.asp

334 ms

collect

collect

31 ms

wcm

wcm

41 ms

ouVKYjKV6b8UiCRMAxKpXA.png

ouVKYjKV6b8UiCRMAxKpXA.png

47 ms

clickstream.legacy.js

clickstream.legacy.js

50 ms

ga-audiences

ga-audiences

88 ms

jssor.slider.min_2_0.js

jssor.slider.min_2_0.js

74 ms

ouVKYjKV6b8UiCRMAxKpXA.png

ouVKYjKV6b8UiCRMAxKpXA.png

80 ms

wcm

wcm

13 ms

jssorcap.min.js

jssorcap.min.js

45 ms

comslidere.js

comslidere.js

73 ms

240509093304101.jpg

240509093304101.jpg

98 ms

nav2.png

nav2.png

73 ms

navs2.png

navs2.png

45 ms

heading_login.gif

heading_login.gif

87 ms

clear1x1.gif

clear1x1.gif

128 ms

btn_Continue.gif

btn_Continue.gif

91 ms

Accessibility Review

replacealens.com accessibility score

85

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

replacealens.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

replacealens.com SEO score

70

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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 Replacealens.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 Replacealens.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

replacealens.com

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