Tools & Wizards About Us
opticalillusionsltd.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

opticalillusionsltd.com

Outdoor Landscape Lighting | Optical Illusions LTD. | United States

Page Load Speed

3.1 sec in total

First Response

302 ms

Resources Loaded

2.7 sec

Page Rendered

67 ms

opticalillusionsltd.com screenshot

About Website

Welcome to opticalillusionsltd.com homepage info - get ready to check Optical Illusions LTD best content right away, or after learning these important things about opticalillusionsltd.com

Optical Illusions LTD has provided lighting solutions for unique environments since 1997. With a concentration in the greater Chicagoland area, our applications have included LED landscape lighting, ...

Visit opticalillusionsltd.com

Key Findings

We analyzed Opticalillusionsltd.com page load time and found that the first response time was 302 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

opticalillusionsltd.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value1,510 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

www.opticalillusionsltd.com

302 ms

originTrials.41d7301a.bundle.min.js

33 ms

minified.js

37 ms

focus-within-polyfill.js

35 ms

polyfill.min.js

232 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Opticalillusionsltd.com, 47% (26 requests) were made to Static.wixstatic.com and 24% (13 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 304.0 kB (12%)

Content Size

2.6 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Opticalillusionsltd.com main page is 2.6 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. 50% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 264.8 kB

  • Original 343.5 kB
  • After minification 341.9 kB
  • After compression 78.8 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 264.8 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 36.5 kB

  • Original 2.0 MB
  • After minification 2.0 MB

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. Optical Illusions LTD images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 228.8 kB
  • After minification 228.8 kB
  • After compression 226.0 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 11 (26%)

Requests Now

42

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optical Illusions LTD. 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

www.opticalillusionsltd.com

www.opticalillusionsltd.com

302 ms

originTrials.41d7301a.bundle.min.js

originTrials.41d7301a.bundle.min.js

33 ms

minified.js

minified.js

37 ms

focus-within-polyfill.js

focus-within-polyfill.js

35 ms

polyfill.min.js

polyfill.min.js

232 ms

thunderbolt-commons.ccbb317c.bundle.min.js

thunderbolt-commons.ccbb317c.bundle.min.js

68 ms

main.013f93b1.bundle.min.js

main.013f93b1.bundle.min.js

67 ms

lodash.min.js

lodash.min.js

66 ms

react.production.min.js

react.production.min.js

66 ms

react-dom.production.min.js

react-dom.production.min.js

66 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

65 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

67 ms

OI%20Standalone%20Logo%20Cropped%20tight.png

OI%20Standalone%20Logo%20Cropped%20tight.png

279 ms

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638 ms

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601 ms

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564 ms

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706 ms

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545 ms

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566 ms

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655 ms

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762 ms

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801 ms

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6d4857_e537d6ccef784298bb295236187584da~mv2_d_4032_3024_s_4_2.jpg

797 ms

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6d4857_e083839c60cb4016bd6ace8d20c90464~mv2_d_4032_3024_s_4_2.jpg

884 ms

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918 ms

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994 ms

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2072 ms

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1080 ms

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1143 ms

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1123 ms

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1143 ms

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1336 ms

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1357 ms

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1387 ms

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1531 ms

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1370 ms

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1569 ms

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1655 ms

bundle.min.js

bundle.min.js

54 ms

93 ms

101 ms

95 ms

100 ms

98 ms

96 ms

124 ms

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129 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

18 ms

deprecation-style.v5.css

deprecation-style.v5.css

7 ms

right-arrow.svg

right-arrow.svg

5 ms

Accessibility Review

opticalillusionsltd.com accessibility score

94

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

button, link, and menuitem elements do not have accessible names.

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

Best Practices

opticalillusionsltd.com best practices score

92

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

Page has valid source maps

SEO Factors

opticalillusionsltd.com SEO score

98

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

    EN

  • Encoding

    UTF-8

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

opticalillusionsltd.com

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