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1.9 sec
21.9 sec
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Welcome to coolopticalillusions.com homepage info - get ready to check Cool Optical Illusions best content for United States right away, or after learning these important things about coolopticalillusions.com
Visit coolopticalillusions.comWe analyzed Coolopticalillusions.com page load time and found that the first response time was 1.9 sec and then it took 27.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
coolopticalillusions.com performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value8.3 s
2/100
25%
Value9.3 s
13/100
10%
Value1,830 ms
9/100
30%
Value0.029
100/100
15%
Value14.2 s
9/100
10%
1860 ms
327 ms
371 ms
325 ms
420 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 61% of them (41 requests) were addressed to the original Coolopticalillusions.com, 19% (13 requests) were made to Fonts.gstatic.com and 6% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Coolopticalillusions.com.
Page size can be reduced by 2.4 MB (69%)
3.5 MB
1.1 MB
In fact, the total size of Coolopticalillusions.com main page is 3.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. CSS take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 101.1 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 101.1 kB or 75% of the original size.
Potential reduce by 25.1 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. Cool Optical Illusions images are well optimized though.
Potential reduce by 952.2 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 952.2 kB or 71% of the original size.
Potential reduce by 1.4 MB
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. Coolopticalillusions.com needs all CSS files to be minified and compressed as it can save up to 1.4 MB or 89% of the original size.
Number of requests can be reduced by 10 (20%)
51
41
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cool Optical Illusions. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
coolopticalillusions.com
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coolopticalillusions.com accessibility score
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
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Links do not have a discernible name
coolopticalillusions.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
coolopticalillusions.com SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coolopticalillusions.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 Coolopticalillusions.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.
coolopticalillusions.com
Open Graph description is not detected on the main page of Cool Optical Illusions. 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: