Tools & Wizards About Us
crystalvisionoptometry.net screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

crystalvisionoptometry.net

Crystal Vision Optometry - Optometrist in Rancho Cucamonga, CA

Page Load Speed

2.5 sec in total

First Response

58 ms

Resources Loaded

2 sec

Page Rendered

517 ms

crystalvisionoptometry.net screenshot

About Website

Welcome to crystalvisionoptometry.net homepage info - get ready to check Crystal Vision Optometry best content right away, or after learning these important things about crystalvisionoptometry.net

Crystal Vision Optometry is your local Optometrist in Rancho Cucamonga serving all of your needs. Call us today at (909) 980-5552 for an appointment.

Visit crystalvisionoptometry.net

Key Findings

We analyzed Crystalvisionoptometry.net page load time and found that the first response time was 58 ms and then it took 2.5 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

crystalvisionoptometry.net performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.137

80/100

15%

TTI (Time to Interactive)

Value11.7 s

18/100

10%

Network Requests Diagram

crystalvisionoptometry.net

58 ms

crystalvisionoptometry.net

191 ms

www.crystalvisionoptometry.net

21 ms

www.crystalvisionoptometry.net

889 ms

170883372e5791dd84c78dce90777b7d.opt-min.cr.css

81 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 19% of them (9 requests) were addressed to the original Crystalvisionoptometry.net, 58% (28 requests) were made to Cdcssl.ibsrv.net and 8% (4 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (889 ms) belongs to the original domain Crystalvisionoptometry.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 260.6 kB (32%)

Content Size

817.6 kB

After Optimization

557.0 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Crystalvisionoptometry.net main page is 817.6 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 662.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 89.1 kB

  • Original 104.2 kB
  • After minification 103.8 kB
  • After compression 15.1 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 89.1 kB or 86% of the original size.

JavaScript Optimization

-26%

Potential reduce by 171.2 kB

  • Original 662.6 kB
  • After minification 662.6 kB
  • After compression 491.4 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 171.2 kB or 26% of the original size.

CSS Optimization

-0%

Potential reduce by 216 B

  • Original 50.7 kB
  • After minification 50.7 kB
  • After compression 50.5 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. Crystalvisionoptometry.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (26%)

Requests Now

43

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crystal Vision Optometry. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

crystalvisionoptometry.net

crystalvisionoptometry.net

58 ms

crystalvisionoptometry.net

crystalvisionoptometry.net

191 ms

www.crystalvisionoptometry.net

www.crystalvisionoptometry.net

21 ms

www.crystalvisionoptometry.net

www.crystalvisionoptometry.net

889 ms

170883372e5791dd84c78dce90777b7d.opt-min.cr.css

170883372e5791dd84c78dce90777b7d.opt-min.cr.css

81 ms

JZSbxf_va7j0PW4RdXZxyERgxB7qQcEQZaTr_zcYdlQLSQ1vZ5bqy2U4spHZYcTjVg30IZePUHCbmbaKEWLp8bZNTtMC90w.webp

JZSbxf_va7j0PW4RdXZxyERgxB7qQcEQZaTr_zcYdlQLSQ1vZ5bqy2U4spHZYcTjVg30IZePUHCbmbaKEWLp8bZNTtMC90w.webp

203 ms

maxresdefault.webp

maxresdefault.webp

434 ms

embed

embed

335 ms

js

js

236 ms

smb-number-changer.js

smb-number-changer.js

188 ms

9f35df45a57f97b1202d0f580e22aede.opt-min.co.js

9f35df45a57f97b1202d0f580e22aede.opt-min.co.js

162 ms

js-defer.js

js-defer.js

175 ms

man%20beside%20building_20230911_2138.jpg.webp

man%20beside%20building_20230911_2138.jpg.webp

157 ms

Banner_20230911_2144.jpg.webp

Banner_20230911_2144.jpg.webp

241 ms

5wLKZyK9RogxjaB3CiQxNzjOjzwshHT3xrMMvaRia0q9KaMo34wuvmyJA7HWrb4iyoZP_BFRXiJuY0VoQGuHk5selyVmuG4_20230908_2219.webp

5wLKZyK9RogxjaB3CiQxNzjOjzwshHT3xrMMvaRia0q9KaMo34wuvmyJA7HWrb4iyoZP_BFRXiJuY0VoQGuHk5selyVmuG4_20230908_2219.webp

246 ms

glasses_20230911_2132.jpg.webp

glasses_20230911_2132.jpg.webp

231 ms

ortho-k.jpg.webp

ortho-k.jpg.webp

172 ms

lnd_contact_exams_20230911_2047.jpg.webp

lnd_contact_exams_20230911_2047.jpg.webp

241 ms

5z_20230911_2050.jpg.webp

5z_20230911_2050.jpg.webp

244 ms

services_child_ophthal_20230911_2054.jpg.webp

services_child_ophthal_20230911_2054.jpg.webp

266 ms

pink-eye.jpg.webp

pink-eye.jpg.webp

231 ms

man-in-glasses1_20230911_2100.jpg.webp

man-in-glasses1_20230911_2100.jpg.webp

232 ms

target-eye_20230911_2103.jpg.webp

target-eye_20230911_2103.jpg.webp

244 ms

6u_20230911_2106.jpg.webp

6u_20230911_2106.jpg.webp

237 ms

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2206449.webp

319 ms

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1771694.webp

319 ms

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332 ms

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1773696.webp

337 ms

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1790369.webp

330 ms

1771734.webp

1771734.webp

355 ms

medicare-logo_20230912_1709.png.webp

medicare-logo_20230912_1709.png.webp

331 ms

2351519-removebg-preview.png.webp

2351519-removebg-preview.png.webp

397 ms

1773641.webp

1773641.webp

427 ms

2031164.webp

2031164.webp

561 ms

1789317.webp

1789317.webp

411 ms

2079347-removebg-preview.png.webp

2079347-removebg-preview.png.webp

419 ms

2132071-removebg-preview.png.webp

2132071-removebg-preview.png.webp

565 ms

vba%20logo.png.webp

vba%20logo.png.webp

752 ms

2397013.webp

2397013.webp

783 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

12 ms

javascript,window.pagespeed.psatemp%3D0%3B

javascript,window.pagespeed.psatemp%3D0%3B

2 ms

js

js

54 ms

js

js

33 ms

smb-number-changer.js

smb-number-changer.js

13 ms

9f35df45a57f97b1202d0f580e22aede.opt-min.co.js

9f35df45a57f97b1202d0f580e22aede.opt-min.co.js

28 ms

search.js

search.js

5 ms

geometry.js

geometry.js

9 ms

main.js

main.js

15 ms

Accessibility Review

crystalvisionoptometry.net accessibility score

79

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-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

crystalvisionoptometry.net best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

crystalvisionoptometry.net SEO score

93

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

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

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 Crystalvisionoptometry.net 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 Crystalvisionoptometry.net 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

crystalvisionoptometry.net

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