Report Summary

  • 25

    Performance

    Renders faster than
    45% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

backtracks.io

The Media Intelligence and Infrastructure Platform for Audio and Podcasts | Backtracks

Page Load Speed

3.3 sec in total

First Response

48 ms

Resources Loaded

1.7 sec

Page Rendered

1.5 sec

backtracks.io screenshot

About Website

Welcome to backtracks.io homepage info - get ready to check Backtracks best content right away, or after learning these important things about backtracks.io

Backtracks helps audio publishers, advertisers, and platforms better understand their audiences, optimize their content, and maximize their revenue.

Visit backtracks.io

Key Findings

We analyzed Backtracks.io page load time and found that the first response time was 48 ms and then it took 3.2 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

backtracks.io performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value9,150 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

backtracks.io

48 ms

backtracks.io

24 ms

backtracks.fm

62 ms

ps103.5.js

46 ms

css2

47 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Backtracks.io, 34% (27 requests) were made to Public-cdn.backtracks.fm and 19% (15 requests) were made to D.adroll.com. The less responsive or slowest element that took the longest time to load (387 ms) relates to the external source Connect.facebook.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.1 kB (12%)

Content Size

870.3 kB

After Optimization

767.1 kB

In fact, the total size of Backtracks.io main page is 870.3 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. 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. Images take 706.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 49.2 kB

  • Original 60.5 kB
  • After minification 52.5 kB
  • After compression 11.4 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. This page needs HTML code to be minified as it can gain 8.1 kB, which is 13% 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 49.2 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 53.3 kB

  • Original 706.3 kB
  • After minification 653.0 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. Backtracks images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 553 B

  • Original 93.0 kB
  • After minification 93.0 kB
  • After compression 92.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 103 B

  • Original 10.4 kB
  • After minification 10.4 kB
  • After compression 10.3 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. Backtracks.io has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (63%)

Requests Now

59

After Optimization

22

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Backtracks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

backtracks.io accessibility score

53

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

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

backtracks.io 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

backtracks.io SEO score

88

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

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