Tools & Wizards About Us
plcsimulator.online screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    82% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 93% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

plcsimulator.online

PLC Simulator Online. A tool for learning Ladder Logic programming.

Page Load Speed

1.6 sec in total

First Response

79 ms

Resources Loaded

1.1 sec

Page Rendered

417 ms

plcsimulator.online screenshot

About Website

Welcome to plcsimulator.online homepage info - get ready to check PLC Simulator best content right away, or after learning these important things about plcsimulator.online

Programmable Logic Controller Simulator Online. Available on PC and Mobile devices! A great tool for learning and teaching Ladder Logic programming.

Visit plcsimulator.online

Key Findings

We analyzed Plcsimulator.online page load time and found that the first response time was 79 ms and then it took 1.5 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

plcsimulator.online performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value820 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

plcsimulator.online

79 ms

app.plcsimulator.online

167 ms

css

172 ms

2.23154d62.chunk.css

64 ms

main.0b76340e.chunk.css

103 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 14% of them (1 request) were addressed to the original Plcsimulator.online, 71% (5 requests) were made to App.plcsimulator.online and 14% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (179 ms) relates to the external source App.plcsimulator.online.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.8 kB (62%)

Content Size

4.6 kB

After Optimization

1.8 kB

  • HTML

In fact, the total size of Plcsimulator.online main page is 4.6 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. HTML takes 4.6 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 2.8 kB

  • Original 4.6 kB
  • After minification 4.6 kB
  • After compression 1.8 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 2.8 kB or 62% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PLC Simulator. According to our analytics all requests are already optimized.

Network Requests Diagram

plcsimulator.online

plcsimulator.online

79 ms

app.plcsimulator.online

app.plcsimulator.online

167 ms

css

css

172 ms

2.23154d62.chunk.css

2.23154d62.chunk.css

64 ms

main.0b76340e.chunk.css

main.0b76340e.chunk.css

103 ms

2.9a2054a8.chunk.js

2.9a2054a8.chunk.js

179 ms

main.cb655c2e.chunk.js

main.cb655c2e.chunk.js

130 ms

Accessibility Review

plcsimulator.online accessibility score

97

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

plcsimulator.online 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

plcsimulator.online SEO score

100

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

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 Plcsimulator.online 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 Plcsimulator.online 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

plcsimulator.online

Open Graph data is detected on the main page of PLC Simulator. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: