Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

emulator.online

Emulator.online | Play retro games online

Page Load Speed

1.3 sec in total

First Response

238 ms

Resources Loaded

964 ms

Page Rendered

134 ms

emulator.online screenshot

About Website

Click here to check amazing Emulator content for United States. Otherwise, check out these important facts you probably never knew about emulator.online

Play the best Super Nintendo (SNES), Sega Genesis (Mega Drive), Game Boy and NES games online. We can play Mario, Pokemon, Sonic, Kirby, Zelda but also hidden gems and the worst of all games (AVGN fan...

Visit emulator.online

Key Findings

We analyzed Emulator.online page load time and found that the first response time was 238 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

emulator.online performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value1,700 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

emulator.online

238 ms

bootstrap.min.css

10 ms

font-awesome.min.css

6 ms

site-v2.css

100 ms

site.js

169 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 24% of them (8 requests) were addressed to the original Emulator.online, 15% (5 requests) were made to Pagead2.googlesyndication.com and 12% (4 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (257 ms) relates to the external source Staticxx.facebook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 265.7 kB (53%)

Content Size

500.3 kB

After Optimization

234.7 kB

In fact, the total size of Emulator.online main page is 500.3 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. 45% of websites need less resources to load. Javascripts take 258.8 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 15.2 kB

  • Original 21.6 kB
  • After minification 21.6 kB
  • After compression 6.4 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 15.2 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 137 B

  • Original 69.9 kB
  • After minification 69.8 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. Emulator images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 126.4 kB

  • Original 258.8 kB
  • After minification 258.6 kB
  • After compression 132.4 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 126.4 kB or 49% of the original size.

CSS Optimization

-83%

Potential reduce by 123.9 kB

  • Original 150.0 kB
  • After minification 149.9 kB
  • After compression 26.1 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. Emulator.online needs all CSS files to be minified and compressed as it can save up to 123.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (37%)

Requests Now

30

After Optimization

19

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Emulator. 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 as a result speed up the page load time.

Accessibility Review

emulator.online accessibility score

70

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

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

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

emulator.online best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

emulator.online SEO score

71

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

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