Tools & Wizards About Us
api.39dollarglasses.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

api.39dollarglasses.com

39DollarGlasses: Prescription Eyewear at Affordable Prices

Page Load Speed

4.3 sec in total

First Response

583 ms

Resources Loaded

2.5 sec

Page Rendered

1.3 sec

api.39dollarglasses.com screenshot

About Website

Welcome to api.39dollarglasses.com homepage info - get ready to check Api 39DollarGlasses best content for United States right away, or after learning these important things about api.39dollarglasses.com

Save up to 70% off retail prices on prescription glasses online. Choose from today's hottest eyewear styles. Made with pride in the USA since 2000.

Visit api.39dollarglasses.com

Key Findings

We analyzed Api.39dollarglasses.com page load time and found that the first response time was 583 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

api.39dollarglasses.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value3,770 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

api.39dollarglasses.com

583 ms

polyfill.min.js

1126 ms

a1a71035e73c43308b210623a3a85ff2.min.js

121 ms

css2

135 ms

quick-view.js

109 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 27% of them (18 requests) were addressed to the original Api.39dollarglasses.com, 39% (26 requests) were made to Cdn.eyeglasses39.net and 9% (6 requests) were made to O117309.ingest.sentry.io. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Cdnjs.cloudflare.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 680.0 kB (61%)

Content Size

1.1 MB

After Optimization

426.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Api.39dollarglasses.com main page is 1.1 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. 45% of websites need less resources to load. HTML takes 811.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 679.7 kB

  • Original 811.6 kB
  • After minification 811.0 kB
  • After compression 132.0 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 679.7 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 78.5 kB
  • After minification 78.5 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. Api 39DollarGlasses images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 357 B

  • Original 216.3 kB
  • After minification 216.3 kB
  • After compression 215.9 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 30 (53%)

Requests Now

57

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Api 39DollarGlasses. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

api.39dollarglasses.com

api.39dollarglasses.com

583 ms

polyfill.min.js

polyfill.min.js

1126 ms

a1a71035e73c43308b210623a3a85ff2.min.js

a1a71035e73c43308b210623a3a85ff2.min.js

121 ms

css2

css2

135 ms

quick-view.js

quick-view.js

109 ms

manifest.js

manifest.js

93 ms

vendor.js

vendor.js

148 ms

app.js

app.js

143 ms

index.js

index.js

155 ms

header-search-loader.js

header-search-loader.js

139 ms

klaviyo.js

klaviyo.js

118 ms

wishlist.js

wishlist.js

135 ms

home-page.js

home-page.js

160 ms

home-recaptcha-loader.js

home-recaptcha-loader.js

189 ms

home-page-tryon-slider.js

home-page-tryon-slider.js

185 ms

tryon-app.js

tryon-app.js

204 ms

home-trial.js

home-trial.js

192 ms

home-trial-limit-reached.js

home-trial-limit-reached.js

204 ms

international-not-allowed-modal.js

international-not-allowed-modal.js

242 ms

accupd-app.js

accupd-app.js

246 ms

client

client

104 ms

v84a3a4012de94ce1a686ba8c167c359c1696973893317

v84a3a4012de94ce1a686ba8c167c359c1696973893317

117 ms

39dg-logo.svg

39dg-logo.svg

187 ms

default-sa-seal.gif

default-sa-seal.gif

161 ms

icon-get-started-v2.png

icon-get-started-v2.png

199 ms

icon-about-us-v2.png

icon-about-us-v2.png

198 ms

icon-accupd-v2.png

icon-accupd-v2.png

197 ms

icon-exactfit-v2.png

icon-exactfit-v2.png

178 ms

icon-eyebuddies-v2.png

icon-eyebuddies-v2.png

198 ms

icon-eyebucks-v2.png

icon-eyebucks-v2.png

218 ms

icon-our-promos-v2.png

icon-our-promos-v2.png

276 ms

icon-video-v2.png

icon-video-v2.png

276 ms

homeicon4.png

homeicon4.png

274 ms

brands_icon_2.svg

brands_icon_2.svg

219 ms

tryon_clear_feb_2023_v2.png

tryon_clear_feb_2023_v2.png

277 ms

tint-icon-clear-solid.png

tint-icon-clear-solid.png

276 ms

tint-icon-grey-solid.png

tint-icon-grey-solid.png

278 ms

tint-icon-blue-solid.png

tint-icon-blue-solid.png

280 ms

tint-icon-orange-solid.png

tint-icon-orange-solid.png

278 ms

tint-icon-rose-solid.png

tint-icon-rose-solid.png

315 ms

tint-icon-yellow-solid.png

tint-icon-yellow-solid.png

280 ms

tint-icon-teal-solid.png

tint-icon-teal-solid.png

278 ms

tint-icon-purple-solid.png

tint-icon-purple-solid.png

281 ms

tint-icon-g15-solid.png

tint-icon-g15-solid.png

316 ms

tint-icon-brown-solid.png

tint-icon-brown-solid.png

283 ms

39dg-logo.svg

39dg-logo.svg

280 ms

ocusafe-logo.svg

ocusafe-logo.svg

287 ms

online-contacts-logo-vector.svg

online-contacts-logo-vector.svg

283 ms

warranty_popup_image.jpg

warranty_popup_image.jpg

290 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

55 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

73 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew-.ttf

111 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Ew-.ttf

113 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

110 ms

icons.ttf

icons.ttf

112 ms

default.css

default.css

88 ms

bundle.es5.min.js

bundle.es5.min.js

50 ms

widget.js

widget.js

194 ms

139 ms

141 ms

122 ms

123 ms

107 ms

106 ms

main.js

main.js

14 ms

widget_app_base_1709819000034.js

widget_app_base_1709819000034.js

18 ms

Accessibility Review

api.39dollarglasses.com accessibility score

94

Accessibility Issues

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

Best Practices

api.39dollarglasses.com best practices score

83

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

Browser errors were logged to the console

SEO Factors

api.39dollarglasses.com SEO score

92

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 Api.39dollarglasses.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 Api.39dollarglasses.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

api.39dollarglasses.com

Open Graph description is not detected on the main page of Api 39DollarGlasses. 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: