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ideone.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

ideone.com

Online Compiler and IDE >> C/C++, Java, PHP, Python, Perl and 70+ other compilers and interpreters - Ideone.com

Page Load Speed

3.5 sec in total

First Response

594 ms

Resources Loaded

2.8 sec

Page Rendered

89 ms

ideone.com screenshot

About Website

Click here to check amazing Ideone content for India. Otherwise, check out these important facts you probably never knew about ideone.com

Compile various programming languages online. Add input stream, save output, add notes and tags.

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Key Findings

We analyzed Ideone.com page load time and found that the first response time was 594 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

ideone.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

ideone.com

594 ms

521256c075c8543be62ed54469fffe42.min.js

448 ms

bootstrap-with-responsive-1200-only.min.css

222 ms

fontello.css

324 ms

jquery-ui-1.10.1.custom.min.css

329 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 62% of them (16 requests) were addressed to the original Ideone.com, 12% (3 requests) were made to Google-analytics.com and 4% (1 request) were made to Sentry2.sphere-research.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Ideone.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 683.3 kB (55%)

Content Size

1.2 MB

After Optimization

550.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ideone.com main page is 1.2 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. 35% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 61.7 kB

  • Original 78.2 kB
  • After minification 67.2 kB
  • After compression 16.5 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 11.0 kB, which is 14% 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 61.7 kB or 79% of the original size.

Image Optimization

-9%

Potential reduce by 6.0 kB

  • Original 63.8 kB
  • After minification 57.9 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. Ideone images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 600.5 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 441.7 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 600.5 kB or 58% of the original size.

CSS Optimization

-30%

Potential reduce by 15.1 kB

  • Original 49.9 kB
  • After minification 49.9 kB
  • After compression 34.8 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. Ideone.com needs all CSS files to be minified and compressed as it can save up to 15.1 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (58%)

Requests Now

24

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ideone. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ideone.com

ideone.com

594 ms

521256c075c8543be62ed54469fffe42.min.js

521256c075c8543be62ed54469fffe42.min.js

448 ms

bootstrap-with-responsive-1200-only.min.css

bootstrap-with-responsive-1200-only.min.css

222 ms

fontello.css

fontello.css

324 ms

jquery-ui-1.10.1.custom.min.css

jquery-ui-1.10.1.custom.min.css

329 ms

ideone-bundle.css

ideone-bundle.css

330 ms

ideone-libs-bundle.js

ideone-libs-bundle.js

1195 ms

ace.js

ace.js

1104 ms

ideone-common.js

ideone-common.js

447 ms

ideone-index.js

ideone-index.js

537 ms

ideone.js

ideone.js

691 ms

logo25h.png

logo25h.png

119 ms

bundle.tracing.replay.debug.min.js

bundle.tracing.replay.debug.min.js

86 ms

facebook-box.png

facebook-box.png

329 ms

fontello.woff

fontello.woff

337 ms

loader.gif

loader.gif

109 ms

feedback.png

feedback.png

112 ms

analytics.js

analytics.js

60 ms

hotjar-334655.js

hotjar-334655.js

132 ms

mode-java.js

mode-java.js

109 ms

spoj.png

spoj.png

243 ms

collect

collect

21 ms

collect

collect

4 ms

collect

collect

27 ms

js

js

59 ms

modules.1a30a0a67c3c23c13060.js

modules.1a30a0a67c3c23c13060.js

15 ms

Accessibility Review

ideone.com accessibility score

66

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

ideone.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

ideone.com SEO score

80

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

High

Tap targets are not sized appropriately

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 Ideone.com 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 Ideone.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

ideone.com

Open Graph data is detected on the main page of Ideone. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: