Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

casper.knoji.com

Casper Review | Casper.com Ratings & Customer Reviews – Oct '24

Page Load Speed

1.4 sec in total

First Response

319 ms

Resources Loaded

866 ms

Page Rendered

192 ms

About Website

Welcome to casper.knoji.com homepage info - get ready to check Casper Knoji best content for United States right away, or after learning these important things about casper.knoji.com

Casper reviews and Casper.com customer ratings for October 2024. Casper is an extremely popular mattress brand which competes against other mattress brands like Purple Mattress, Mattress Firm and Temp...

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Key Findings

We analyzed Casper.knoji.com page load time and found that the first response time was 319 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

casper.knoji.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value2,460 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.264

46/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

casper.knoji.com

319 ms

fontawesome_css_all.min-br.css

86 ms

knoji-css.min.css

112 ms

common.css

110 ms

css

88 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Casper.knoji.com, 41% (16 requests) were made to Knoji.com and 33% (13 requests) were made to Cdn.knoji.com. The less responsive or slowest element that took the longest time to load (407 ms) relates to the external source Assets.pinterest.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 274.3 kB (48%)

Content Size

575.1 kB

After Optimization

300.8 kB

In fact, the total size of Casper.knoji.com main page is 575.1 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. 55% of websites need less resources to load. HTML takes 241.6 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 213.1 kB

  • Original 241.6 kB
  • After minification 199.6 kB
  • After compression 28.5 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 42.0 kB, which is 17% 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 213.1 kB or 88% of the original size.

Image Optimization

-6%

Potential reduce by 12.7 kB

  • Original 196.6 kB
  • After minification 183.9 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. Casper Knoji images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 46.4 kB

  • Original 91.8 kB
  • After minification 91.8 kB
  • After compression 45.5 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 46.4 kB or 51% of the original size.

CSS Optimization

-5%

Potential reduce by 2.1 kB

  • Original 45.0 kB
  • After minification 45.0 kB
  • After compression 42.9 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. Casper.knoji.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (45%)

Requests Now

38

After Optimization

21

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Casper Knoji. 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 from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

casper.knoji.com accessibility score

73

Accessibility Issues

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

casper.knoji.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

Missing source maps for large first-party JavaScript

SEO Factors

casper.knoji.com SEO score

90

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

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 Casper.knoji.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 Casper.knoji.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 data is detected on the main page of Casper Knoji. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: