Tools & Wizards About Us

Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

coreillusion.com

Core Illusions - Illusions, ideas, visions. We'll make it a reality.

Page Load Speed

7.2 sec in total

First Response

1.1 sec

Resources Loaded

5.8 sec

Page Rendered

276 ms

About Website

Welcome to coreillusion.com homepage info - get ready to check Core I Ll Usion best content right away, or after learning these important things about coreillusion.com

We are a group of web designers striving to provide professional web design to help businesses and individual clients to establish and maintain a professional internet presence. Its just an one time i...

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Key Findings

We analyzed Coreillusion.com page load time and found that the first response time was 1.1 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

coreillusion.com performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

coreillusion.com

1147 ms

prototype.js

1226 ms

scriptaculous.js

517 ms

lightbox.js

759 ms

lightbox.css

523 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that all of those requests were addressed to Coreillusion.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Coreillusion.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 167.5 kB (75%)

Content Size

223.7 kB

After Optimization

56.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Coreillusion.com main page is 223.7 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. 15% of websites need less resources to load. Javascripts take 190.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 11.0 kB

  • Original 14.5 kB
  • After minification 12.8 kB
  • After compression 3.4 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. This page needs HTML code to be minified as it can gain 1.7 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 11.0 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 201 B

  • Original 18.3 kB
  • After minification 18.1 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. Core I Ll Usion images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 156.3 kB

  • Original 190.9 kB
  • After minification 136.8 kB
  • After compression 34.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 156.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (30%)

Requests Now

30

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Core I Ll Usion. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

coreillusion.com accessibility score

61

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

coreillusion.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

coreillusion.com SEO score

67

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

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 Coreillusion.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 Coreillusion.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

Open Graph description is not detected on the main page of Core I Ll Usion. 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: