Tools & Wizards About Us
ar.duolingo.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

ar.duolingo.com

دوولينجو: تعلّم الإنجليزية، الأسبانية والمزيد من اللغات مجاناً

Page Load Speed

1.9 sec in total

First Response

32 ms

Resources Loaded

1.5 sec

Page Rendered

349 ms

ar.duolingo.com screenshot

About Website

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

استخدم أشهر منصة لتَعَلُّم اللغات في العالم في فصلك. بدون إعلانات، و١٠٠% مجاناً.

Visit ar.duolingo.com

Key Findings

We analyzed Ar.duolingo.com page load time and found that the first response time was 32 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

ar.duolingo.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

ar.duolingo.com

32 ms

ar.duolingo.com

184 ms

fa7134b30577b8eb657f363cd3b331e2_mv_451061cfee583e1a34ea2f066f43e90f_0.min.css

96 ms

fa7134b30577b8eb657f363cd3b331e2_mv_451061cfee583e1a34ea2f066f43e90f_1.min.css

131 ms

fa7134b30577b8eb657f363cd3b331e2_mv_451061cfee583e1a34ea2f066f43e90f_2.min.css

184 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Ar.duolingo.com, 64% (18 requests) were made to D7mj4aqfscim2.cloudfront.net and 11% (3 requests) were made to Api.mixpanel.com. The less responsive or slowest element that took the longest time to load (760 ms) relates to the external source Apis.google.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.2 MB (79%)

Content Size

4.0 MB

After Optimization

820.2 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Ar.duolingo.com main page is 4.0 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. 80% 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 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 54.4 kB

  • Original 71.7 kB
  • After minification 71.2 kB
  • After compression 17.3 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 54.4 kB or 76% of the original size.

JavaScript Optimization

-76%

Potential reduce by 2.1 MB

  • Original 2.8 MB
  • After minification 2.8 MB
  • After compression 669.0 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 2.1 MB or 76% of the original size.

CSS Optimization

-88%

Potential reduce by 993.9 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 133.9 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. Ar.duolingo.com needs all CSS files to be minified and compressed as it can save up to 993.9 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ar Duolingo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ar.duolingo.com

ar.duolingo.com

32 ms

ar.duolingo.com

ar.duolingo.com

184 ms

fa7134b30577b8eb657f363cd3b331e2_mv_451061cfee583e1a34ea2f066f43e90f_0.min.css

fa7134b30577b8eb657f363cd3b331e2_mv_451061cfee583e1a34ea2f066f43e90f_0.min.css

96 ms

fa7134b30577b8eb657f363cd3b331e2_mv_451061cfee583e1a34ea2f066f43e90f_1.min.css

fa7134b30577b8eb657f363cd3b331e2_mv_451061cfee583e1a34ea2f066f43e90f_1.min.css

131 ms

fa7134b30577b8eb657f363cd3b331e2_mv_451061cfee583e1a34ea2f066f43e90f_2.min.css

fa7134b30577b8eb657f363cd3b331e2_mv_451061cfee583e1a34ea2f066f43e90f_2.min.css

184 ms

fa7134b30577b8eb657f363cd3b331e2_mv_451061cfee583e1a34ea2f066f43e90f_3.min.css

fa7134b30577b8eb657f363cd3b331e2_mv_451061cfee583e1a34ea2f066f43e90f_3.min.css

213 ms

73f8f1ac1c8852e69bf2-vendor.js

73f8f1ac1c8852e69bf2-vendor.js

242 ms

73f8f1ac1c8852e69bf2-duolingo.js

73f8f1ac1c8852e69bf2-duolingo.js

239 ms

ar-6e191d1e0266b976bc589301480c751f.js

ar-6e191d1e0266b976bc589301480c751f.js

235 ms

ga.js

ga.js

477 ms

rollbar.min.js

rollbar.min.js

443 ms

mixpanel.2.js

mixpanel.2.js

363 ms

sdk.js

sdk.js

633 ms

client:plusone.js

client:plusone.js

760 ms

icon-sprite_mv_451061cfee583e1a34ea2f066f43e90f.svg

icon-sprite_mv_451061cfee583e1a34ea2f066f43e90f.svg

170 ms

star-pattern1.svg

star-pattern1.svg

170 ms

globe1.svg

globe1.svg

153 ms

flag-sprite10.svg

flag-sprite10.svg

177 ms

owl-sprite15.svg

owl-sprite15.svg

469 ms

splash-sprite4.svg

splash-sprite4.svg

154 ms

progress-sprite10.svg

progress-sprite10.svg

222 ms

museosansrounded-500-webfont.woff

museosansrounded-500-webfont.woff

365 ms

museosansrounded-300-webfont.woff

museosansrounded-300-webfont.woff

186 ms

museosansrounded-100-webfont.woff

museosansrounded-100-webfont.woff

186 ms

museosansrounded-700-webfont.woff

museosansrounded-700-webfont.woff

185 ms

__utm.gif

__utm.gif

87 ms

193 ms

252 ms

Accessibility Review

ar.duolingo.com accessibility score

77

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

Buttons do not have an accessible name

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.

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

ar.duolingo.com best practices score

83

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

ar.duolingo.com SEO score

97

Search Engine Optimization Advices

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

    AR

  • Language Claimed

    AR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ar.duolingo.com can be misinterpreted by Google and other search engines. Our service has detected that Arabic is used on the page, and it matches the claimed language. Our system also found out that Ar.duolingo.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

ar.duolingo.com

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