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Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

reactorsoftware.com

Reactor Software | Ultra Coaster

Page Load Speed

1.5 sec in total

First Response

335 ms

Resources Loaded

795 ms

Page Rendered

354 ms

reactorsoftware.com screenshot

About Website

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Key Findings

We analyzed Reactorsoftware.com page load time and found that the first response time was 335 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

reactorsoftware.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

reactorsoftware.com

335 ms

style.css

77 ms

prototype.js

264 ms

effects.js

191 ms

slide.js

192 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Reactorsoftware.com and no external sources were called. The less responsive or slowest element that took the longest time to load (335 ms) belongs to the original domain Reactorsoftware.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 188.7 kB (73%)

Content Size

258.3 kB

After Optimization

69.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Reactorsoftware.com main page is 258.3 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. Only 10% of websites need less resources to load. Javascripts take 209.3 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 2.7 kB

  • Original 4.7 kB
  • After minification 4.6 kB
  • After compression 2.1 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 2.7 kB or 56% of the original size.

Image Optimization

-39%

Potential reduce by 16.1 kB

  • Original 41.2 kB
  • After minification 25.2 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. Obviously, Reactor Software needs image optimization as it can save up to 16.1 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-80%

Potential reduce by 167.8 kB

  • Original 209.3 kB
  • After minification 167.7 kB
  • After compression 41.5 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 167.8 kB or 80% of the original size.

CSS Optimization

-72%

Potential reduce by 2.2 kB

  • Original 3.0 kB
  • After minification 2.3 kB
  • After compression 823 B

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. Reactorsoftware.com needs all CSS files to be minified and compressed as it can save up to 2.2 kB or 72% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Reactor Software. According to our analytics all requests are already optimized.

Network Requests Diagram

reactorsoftware.com

reactorsoftware.com

335 ms

style.css

style.css

77 ms

prototype.js

prototype.js

264 ms

effects.js

effects.js

191 ms

slide.js

slide.js

192 ms

ititle.gif

ititle.gif

58 ms

reactor_logo.gif

reactor_logo.gif

118 ms

page.gif

page.gif

101 ms

dotted.png

dotted.png

101 ms

c2_1_tm.jpg

c2_1_tm.jpg

103 ms

quote.gif

quote.gif

114 ms

footer.gif

footer.gif

113 ms

swreg3.jpg

swreg3.jpg

127 ms

Accessibility Review

reactorsoftware.com accessibility score

65

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

reactorsoftware.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

reactorsoftware.com SEO score

67

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Reactorsoftware.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Reactorsoftware.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

reactorsoftware.com

Open Graph description is not detected on the main page of Reactor Software. 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: