Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

casper.io

Liam's Discord

Page Load Speed

915 ms in total

First Response

366 ms

Resources Loaded

549 ms

Page Rendered

0 ms

casper.io screenshot

About Website

Visit casper.io now to see the best up-to-date Casper content for United States and also check out these interesting facts you probably never knew about casper.io

Check out the Liam's Discord community on Discord - hang out with 5372 other members and enjoy free voice and text chat.

Visit casper.io

Key Findings

We analyzed Casper.io page load time and found that the first response time was 366 ms and then it took 549 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

casper.io performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

casper.io

366 ms

wp-emoji-release.min.js

72 ms

jquery.bxslider.css

104 ms

gs-main.css

188 ms

default.css

109 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that all of those requests were addressed to Casper.io and no external sources were called. The less responsive or slowest element that took the longest time to load (366 ms) belongs to the original domain Casper.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 255.5 kB (71%)

Content Size

360.4 kB

After Optimization

104.9 kB

In fact, the total size of Casper.io main page is 360.4 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. Only 10% of websites need less resources to load. Javascripts take 281.9 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 3.4 kB

  • Original 5.1 kB
  • After minification 5.1 kB
  • After compression 1.7 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 3.4 kB or 66% of the original size.

JavaScript Optimization

-70%

Potential reduce by 196.2 kB

  • Original 281.9 kB
  • After minification 281.1 kB
  • After compression 85.8 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 196.2 kB or 70% of the original size.

CSS Optimization

-76%

Potential reduce by 55.9 kB

  • Original 73.3 kB
  • After minification 71.8 kB
  • After compression 17.4 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.io needs all CSS files to be minified and compressed as it can save up to 55.9 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (93%)

Requests Now

28

After Optimization

2

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Casper. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

casper.io accessibility score

73

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

[role]s do not have all required [aria-*] attributes

High

[aria-*] attributes do not have valid values

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.

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

casper.io 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

casper.io SEO score

86

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

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.io 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.io 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. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: