Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

listenable.io

Listenable | The World’s Best Audio Courses. Listen now!

Page Load Speed

1.5 sec in total

First Response

104 ms

Resources Loaded

609 ms

Page Rendered

812 ms

About Website

Click here to check amazing Listenable content for United States. Otherwise, check out these important facts you probably never knew about listenable.io

Listenable helps you learn something new every day with bite-sized audio courses created by renowned experts. Get started for free!

Visit listenable.io

Key Findings

We analyzed Listenable.io page load time and found that the first response time was 104 ms and then it took 1.4 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

listenable.io performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value2,110 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.398

25/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

listenable.io

104 ms

analytics.js

60 ms

mixpanel-2-latest.min.js

42 ms

css

81 ms

79 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 57% of them (28 requests) were addressed to the original Listenable.io, 24% (12 requests) were made to D2kyi4ttuwxz1n.cloudfront.net and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (264 ms) relates to the external source Google-analytics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 874.4 kB (48%)

Content Size

1.8 MB

After Optimization

934.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Listenable.io main page is 1.8 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. 70% of websites need less resources to load. Images take 725.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 59.4 kB

  • Original 82.1 kB
  • After minification 66.6 kB
  • After compression 22.6 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 15.5 kB, which is 19% 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 59.4 kB or 72% of the original size.

Image Optimization

-2%

Potential reduce by 18.1 kB

  • Original 725.1 kB
  • After minification 707.0 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. Listenable images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 311.1 kB

  • Original 448.6 kB
  • After minification 447.7 kB
  • After compression 137.5 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 311.1 kB or 69% of the original size.

CSS Optimization

-88%

Potential reduce by 485.7 kB

  • Original 553.2 kB
  • After minification 445.0 kB
  • After compression 67.4 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. Listenable.io needs all CSS files to be minified and compressed as it can save up to 485.7 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (47%)

Requests Now

43

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Listenable. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

listenable.io accessibility score

85

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

listenable.io 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

High

Page has valid source maps

SEO Factors

listenable.io SEO score

85

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

Links do not have descriptive text

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