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hub.balena.io screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

hub.balena.io

balenaHub - IoT embedded device apps, edge computing resources, and developer tools

Page Load Speed

216 ms in total

First Response

51 ms

Resources Loaded

104 ms

Page Rendered

61 ms

hub.balena.io screenshot

About Website

Click here to check amazing Hub Balena content for China. Otherwise, check out these important facts you probably never knew about hub.balena.io

Accelerate your product development with ready-to-run resources and example applications, helping you to complete prototypes and scale to production faster.

Visit hub.balena.io

Key Findings

We analyzed Hub.balena.io page load time and found that the first response time was 51 ms and then it took 165 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

hub.balena.io performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value12,920 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.462

19/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

hub.balena.io

51 ms

main.3c82a374.js

26 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Hub.balena.io and no external sources were called. The less responsive or slowest element that took the longest time to load (51 ms) belongs to the original domain Hub.balena.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.3 kB (17%)

Content Size

787.0 kB

After Optimization

653.7 kB

  • HTML
  • JavaScript

In fact, the total size of Hub.balena.io main page is 787.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 777.8 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 8.0 kB

  • Original 9.2 kB
  • After minification 9.2 kB
  • After compression 1.2 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 8.0 kB or 87% of the original size.

JavaScript Optimization

-16%

Potential reduce by 125.3 kB

  • Original 777.8 kB
  • After minification 777.8 kB
  • After compression 652.5 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 125.3 kB or 16% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • JavaScript

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hub Balena. According to our analytics all requests are already optimized.

Network Requests Diagram

hub.balena.io

hub.balena.io

51 ms

main.3c82a374.js

main.3c82a374.js

26 ms

Accessibility Review

hub.balena.io accessibility score

96

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.

Best Practices

hub.balena.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

Page has valid source maps

SEO Factors

hub.balena.io SEO score

99

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hub.balena.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 Hub.balena.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

hub.balena.io

Open Graph description is not detected on the main page of Hub Balena. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: