Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

residualvm.org

Main Information about ResidualVM Cross-Platform 3D Game Interpreter

Page Load Speed

2 sec in total

First Response

300 ms

Resources Loaded

1.5 sec

Page Rendered

251 ms

residualvm.org screenshot

About Website

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

ResidualVM is a cross-platform 3D emulator created for game lovers from LucasArt. We will figure out what is the feature of this emulator and how to use it!

Visit residualvm.org

Key Findings

We analyzed Residualvm.org page load time and found that the first response time was 300 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

residualvm.org performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

48/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

residualvm.org

300 ms

587 ms

layout.css

159 ms

menu.css

160 ms

intro.css

161 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 95% of them (35 requests) were addressed to the original Residualvm.org, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (587 ms) belongs to the original domain Residualvm.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.0 kB (40%)

Content Size

150.7 kB

After Optimization

90.7 kB

In fact, the total size of Residualvm.org main page is 150.7 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. Only 10% of websites need less resources to load. Javascripts take 69.9 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.7 kB

  • Original 13.9 kB
  • After minification 12.9 kB
  • After compression 4.2 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 9.7 kB or 70% of the original size.

Image Optimization

-3%

Potential reduce by 1.7 kB

  • Original 57.8 kB
  • After minification 56.1 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. ResidualVM images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 42.1 kB

  • Original 69.9 kB
  • After minification 69.2 kB
  • After compression 27.7 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 42.1 kB or 60% of the original size.

CSS Optimization

-71%

Potential reduce by 6.5 kB

  • Original 9.2 kB
  • After minification 7.1 kB
  • After compression 2.7 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. Residualvm.org needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (66%)

Requests Now

35

After Optimization

12

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ResidualVM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

residualvm.org accessibility score

96

Accessibility Issues

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

residualvm.org 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

SEO Factors

residualvm.org SEO score

93

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Residualvm.org 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 Residualvm.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of ResidualVM. 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: