Tools & Wizards About Us

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

o2mania.info

O2Mania - Play O2jam Offline - O2jam Emulator - O2jam Forever

Page Load Speed

2.9 sec in total

First Response

139 ms

Resources Loaded

2.4 sec

Page Rendered

394 ms

About Website

Visit o2mania.info now to see the best up-to-date O2Mania content and also check out these interesting facts you probably never knew about o2mania.info

O2Mania - Best O2jam emulator that you can play without internet. Reminisce while playing your favorite songs: V3, Milk Chocolate, Canon and many more!

Visit o2mania.info

Key Findings

We analyzed O2mania.info page load time and found that the first response time was 139 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

o2mania.info performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value2,500 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.096

90/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

o2mania.info

139 ms

o2mania.info

363 ms

js

73 ms

adsbygoogle.js

162 ms

flashblock.css

100 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 83% of them (69 requests) were addressed to the original O2mania.info, 4% (3 requests) were made to Pagead2.googlesyndication.com and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (688 ms) belongs to the original domain O2mania.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 228.5 kB (17%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of O2mania.info main page is 1.3 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. Javascripts take 914.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 91.6 kB

  • Original 115.4 kB
  • After minification 109.5 kB
  • After compression 23.8 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 91.6 kB or 79% of the original size.

Image Optimization

-13%

Potential reduce by 9.5 kB

  • Original 73.0 kB
  • After minification 63.5 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. Obviously, O2Mania needs image optimization as it can save up to 9.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-8%

Potential reduce by 71.3 kB

  • Original 914.1 kB
  • After minification 914.1 kB
  • After compression 842.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 56.2 kB

  • Original 245.8 kB
  • After minification 245.7 kB
  • After compression 189.6 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. O2mania.info needs all CSS files to be minified and compressed as it can save up to 56.2 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 65 (83%)

Requests Now

78

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of O2Mania. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

o2mania.info accessibility score

60

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.

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

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

o2mania.info best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

o2mania.info SEO score

86

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

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

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 O2mania.info 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 O2mania.info 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 O2Mania. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: