Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

roblox.com

Roblox

Page Load Speed

40.9 sec in total

First Response

227 ms

Resources Loaded

23.3 sec

Page Rendered

17.3 sec

roblox.com screenshot

About Website

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

Roblox is the ultimate virtual universe that lets you create, share experiences with friends, and be anything you can imagine. Join millions of people and discover an infinite variety of immersive exp...

Visit roblox.com

Key Findings

We analyzed Roblox.com page load time and found that the first response time was 227 ms and then it took 40.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

roblox.com performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

roblox.com

227 ms

www.roblox.com

1091 ms

fetch

2513 ms

fetch

2550 ms

jquery-1.11.1.min.js

2394 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 13% of them (6 requests) were addressed to the original Roblox.com, 26% (12 requests) were made to Images.rbxcdn.com and 22% (10 requests) were made to Static.rbxcdn.com. The less responsive or slowest element that took the longest time to load (14.8 sec) relates to the external source Gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (32%)

Content Size

5.3 MB

After Optimization

3.6 MB

In fact, the total size of Roblox.com main page is 5.3 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. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 44.8 kB

  • Original 56.3 kB
  • After minification 45.6 kB
  • After compression 11.5 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 10.7 kB, which is 19% 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 44.8 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 90.0 kB

  • Original 3.0 MB
  • After minification 2.9 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. Roblox images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 868.2 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 522.4 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 868.2 kB or 62% of the original size.

CSS Optimization

-87%

Potential reduce by 695.4 kB

  • Original 796.4 kB
  • After minification 789.0 kB
  • After compression 101.1 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. Roblox.com needs all CSS files to be minified and compressed as it can save up to 695.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (43%)

Requests Now

40

After Optimization

23

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roblox. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

roblox.com accessibility score

85

Accessibility Issues

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

roblox.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

roblox.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Roblox.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 Roblox.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 Roblox. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: