Tools & Wizards About Us

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

reactive.foundation

Reactive Summit | LF Events

Page Load Speed

1.4 sec in total

First Response

111 ms

Resources Loaded

897 ms

Page Rendered

374 ms

About Website

Click here to check amazing Reactive content. Otherwise, check out these important facts you probably never knew about reactive.foundation

An event where application architects and developers go to learn and collaborate on the latest Reactive patterns and projects for building distributed systems.

Visit reactive.foundation

Key Findings

We analyzed Reactive.foundation page load time and found that the first response time was 111 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

reactive.foundation performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

reactive.foundation

111 ms

133 ms

style.min.css

27 ms

app.min.css

33 ms

splide.min.css

25 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Reactive.foundation, 96% (27 requests) were made to Events.linuxfoundation.org. The less responsive or slowest element that took the longest time to load (223 ms) relates to the external source Events.linuxfoundation.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.7 kB (36%)

Content Size

317.4 kB

After Optimization

203.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Reactive.foundation main page is 317.4 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. 35% of websites need less resources to load. Javascripts take 105.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 70.4 kB

  • Original 95.9 kB
  • After minification 93.5 kB
  • After compression 25.6 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. 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 70.4 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 35.1 kB
  • After minification 35.1 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. Reactive images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 14.1 kB

  • Original 105.4 kB
  • After minification 105.3 kB
  • After compression 91.3 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 14.1 kB or 13% of the original size.

CSS Optimization

-36%

Potential reduce by 29.3 kB

  • Original 81.0 kB
  • After minification 81.0 kB
  • After compression 51.7 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. Reactive.foundation needs all CSS files to be minified and compressed as it can save up to 29.3 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (46%)

Requests Now

26

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Reactive. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

reactive.foundation 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.

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

Links do not have a discernible name

Best Practices

reactive.foundation 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

SEO Factors

reactive.foundation 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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Reactive.foundation 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 Reactive.foundation 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 Reactive. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: