Tools & Wizards About Us
quantumvisioncenters.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

quantumvisioncenters.com

Eye Care Services in St. Louis Metro East | Quantum Vision Centers

Page Load Speed

1.1 sec in total

First Response

44 ms

Resources Loaded

624 ms

Page Rendered

427 ms

quantumvisioncenters.com screenshot

About Website

Visit quantumvisioncenters.com now to see the best up-to-date Quantum Vision Centers content and also check out these interesting facts you probably never knew about quantumvisioncenters.com

Searching for eye care and eye doctors in the St. Louis Metro East area? Quantum Vision Centers combines the latest technology with a highly experienced staff to deliver exceptional treatment options.

Visit quantumvisioncenters.com

Key Findings

We analyzed Quantumvisioncenters.com page load time and found that the first response time was 44 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

quantumvisioncenters.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

quantumvisioncenters.com

44 ms

www.quantumvisioncenters.com

201 ms

gtm.js

93 ms

309f95c0de0714717614.css

9 ms

0e2225993db44ff076ee.css

18 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 58% of them (28 requests) were addressed to the original Quantumvisioncenters.com, 23% (11 requests) were made to Images.ctfassets.net and 6% (3 requests) were made to O925454.ingest.sentry.io. The less responsive or slowest element that took the longest time to load (275 ms) relates to the external source Cdn.userway.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 74.6 kB (10%)

Content Size

778.3 kB

After Optimization

703.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Quantumvisioncenters.com main page is 778.3 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. 55% of websites need less resources to load. Images take 583.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 69.8 kB

  • Original 87.0 kB
  • After minification 86.9 kB
  • After compression 17.2 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. 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 69.8 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 583.0 kB
  • After minification 583.0 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. Quantum Vision Centers images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 4.9 kB

  • Original 108.4 kB
  • After minification 108.4 kB
  • After compression 103.5 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 25 (58%)

Requests Now

43

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Quantum Vision Centers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

quantumvisioncenters.com

quantumvisioncenters.com

44 ms

www.quantumvisioncenters.com

www.quantumvisioncenters.com

201 ms

gtm.js

gtm.js

93 ms

309f95c0de0714717614.css

309f95c0de0714717614.css

9 ms

0e2225993db44ff076ee.css

0e2225993db44ff076ee.css

18 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

18 ms

51.b6c88eccf52bd36625d6.js

51.b6c88eccf52bd36625d6.js

18 ms

52c618565d6e9029e3a19cabb112dee74f1e8f07.5f6a3ab42223649fa4f0.js

52c618565d6e9029e3a19cabb112dee74f1e8f07.5f6a3ab42223649fa4f0.js

44 ms

21.9a1fc87e10f4d1050bda.js

21.9a1fc87e10f4d1050bda.js

44 ms

42.cbbbd022bc3fecd35e4e.js

42.cbbbd022bc3fecd35e4e.js

43 ms

9d22c26a2d233233ee9edf380126b23a64ecd0d6.6571326953cbb988fe0a.js

9d22c26a2d233233ee9edf380126b23a64ecd0d6.6571326953cbb988fe0a.js

43 ms

40.0aedaafb386d2a4e8c03.js

40.0aedaafb386d2a4e8c03.js

42 ms

20.48a110576e747e7b9991.js

20.48a110576e747e7b9991.js

45 ms

webpack-0a03bbdd515414cef0b8.js

webpack-0a03bbdd515414cef0b8.js

46 ms

framework.996a422a99e2948b0321.js

framework.996a422a99e2948b0321.js

51 ms

commons.0f550dc3e90e1154b2ca.js

commons.0f550dc3e90e1154b2ca.js

134 ms

1c7bdfa030265cd80577f25fed2c44af39d3e15c.54acb9f25b1f18398120.js

1c7bdfa030265cd80577f25fed2c44af39d3e15c.54acb9f25b1f18398120.js

55 ms

main-944ae9d2c69ff8e417ce.js

main-944ae9d2c69ff8e417ce.js

45 ms

56984232113f401a7a7ccc69b1dae79580f765f6.5dfd146f5da7ba427c5f.js

56984232113f401a7a7ccc69b1dae79580f765f6.5dfd146f5da7ba427c5f.js

55 ms

8764aea244c622a0157f9491e5f453c9d6ed3716.f7582f240a07b944c482.js

8764aea244c622a0157f9491e5f453c9d6ed3716.f7582f240a07b944c482.js

55 ms

_app-eb73e81950cbd0de5e6e.js

_app-eb73e81950cbd0de5e6e.js

54 ms

75fc9c18.a88d4786778c85f6d0f8.js

75fc9c18.a88d4786778c85f6d0f8.js

57 ms

4c7216ca372479a1dee2273f88fcc3e1b1185286.bd4cb0145f386a7e4ec3.js

4c7216ca372479a1dee2273f88fcc3e1b1185286.bd4cb0145f386a7e4ec3.js

58 ms

%5B%5B...slug%5D%5D-4617ea828d5d977f8dd4.js

%5B%5B...slug%5D%5D-4617ea828d5d977f8dd4.js

57 ms

_buildManifest.js

_buildManifest.js

57 ms

_ssgManifest.js

_ssgManifest.js

65 ms

qvc-logo-blue.png

qvc-logo-blue.png

118 ms

AdobeStock_205308576.jpeg

AdobeStock_205308576.jpeg

213 ms

Phone.svg

Phone.svg

60 ms

Cataracts_1200x1200.jpg

Cataracts_1200x1200.jpg

212 ms

Cornea_1200x1200.jpg

Cornea_1200x1200.jpg

214 ms

EyeExams_1200x1200.jpg

EyeExams_1200x1200.jpg

213 ms

Glaucoma_1200x1200.jpg

Glaucoma_1200x1200.jpg

212 ms

LASIK_1200x1200.jpg

LASIK_1200x1200.jpg

212 ms

OpticalServices_1200x1200.jpg

OpticalServices_1200x1200.jpg

210 ms

Retina_1200x1200.jpg

Retina_1200x1200.jpg

214 ms

AndMore_1200x1200.jpg

AndMore_1200x1200.jpg

214 ms

AdobeStock_169442663.jpeg

AdobeStock_169442663.jpeg

215 ms

track.v2.js

track.v2.js

88 ms

widget.js

widget.js

275 ms

connect.html

connect.html

99 ms

freshpaint.js

freshpaint.js

93 ms

164 ms

144 ms

142 ms

MuseoSansCyrl_500-webfont.9ef1cd53c045d015d02ccb3c735e129d.woff

MuseoSansCyrl_500-webfont.9ef1cd53c045d015d02ccb3c735e129d.woff

45 ms

MuseoSansCyrl_300-webfont.7ddb9f5f162d7ad81df2cc4a6aeac6d2.woff

MuseoSansCyrl_300-webfont.7ddb9f5f162d7ad81df2cc4a6aeac6d2.woff

75 ms

widget_app_1724849559553.js

widget_app_1724849559553.js

24 ms

Accessibility Review

quantumvisioncenters.com accessibility score

89

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Links do not have a discernible name

Best Practices

quantumvisioncenters.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

quantumvisioncenters.com SEO score

99

Search Engine Optimization Advices

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

    UTF-8

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

quantumvisioncenters.com

Open Graph data is detected on the main page of Quantum Vision Centers. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: