Tools & Wizards About Us
opticalillusionsltd.com screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% 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

645 ms in total

First Response

83 ms

Resources Loaded

504 ms

Page Rendered

58 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 83 ms and then it took 562 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

opticalillusionsltd.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

www.opticalillusionsltd.com

83 ms

minified.js

64 ms

focus-within-polyfill.js

61 ms

polyfill.min.js

58 ms

thunderbolt-commons.1c022a13.bundle.min.js

133 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Opticalillusionsltd.com, 60% (26 requests) were made to Static.wixstatic.com and 30% (13 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (151 ms) relates to the external source Static.parastorage.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 327.7 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. 65% 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 306.9 kB

  • Original 396.1 kB
  • After minification 394.3 kB
  • After compression 89.2 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 306.9 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 16.6 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

-2%

Potential reduce by 4.3 kB

  • Original 262.9 kB
  • After minification 262.9 kB
  • After compression 258.7 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

83 ms

minified.js

minified.js

64 ms

focus-within-polyfill.js

focus-within-polyfill.js

61 ms

polyfill.min.js

polyfill.min.js

58 ms

thunderbolt-commons.1c022a13.bundle.min.js

thunderbolt-commons.1c022a13.bundle.min.js

133 ms

main.e9b48348.bundle.min.js

main.e9b48348.bundle.min.js

151 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

137 ms

lodash.min.js

lodash.min.js

136 ms

react.production.min.js

react.production.min.js

133 ms

react-dom.production.min.js

react-dom.production.min.js

138 ms

browser-deprecation.bundle.es5.js

browser-deprecation.bundle.es5.js

150 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

151 ms

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

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

81 ms

bundle.min.js

bundle.min.js

70 ms

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6d4857_109b331866f6464abc0308ec90d11927~mv2_d_3072_2048_s_2.jpg

53 ms

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57 ms

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56 ms

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56 ms

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54 ms

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57 ms

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57 ms

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60 ms

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60 ms

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61 ms

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60 ms

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61 ms

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59 ms

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62 ms

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64 ms

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103 ms

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103 ms

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103 ms

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102 ms

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101 ms

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105 ms

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103 ms

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104 ms

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105 ms

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104 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

52 ms

deprecation-style.v5.css

deprecation-style.v5.css

35 ms

right-arrow.svg

right-arrow.svg

34 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: