Tools & Wizards About Us
plcacademy.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

plcacademy.com

Free PLC Training: Learn PLC Programming Online | PLC Academy

Page Load Speed

3.7 sec in total

First Response

41 ms

Resources Loaded

3.1 sec

Page Rendered

579 ms

plcacademy.com screenshot

About Website

Welcome to plcacademy.com homepage info - get ready to check PLC Academy best content for United States right away, or after learning these important things about plcacademy.com

Learn PLC programming online from an expert (for FREE). PLC Programming courses & training to teach you to become a PLC programmer. Learn the study techniques to teach yourself PLC programs.

Visit plcacademy.com

Key Findings

We analyzed Plcacademy.com page load time and found that the first response time was 41 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

plcacademy.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

plcacademy.com

41 ms

plcacademy.com

58 ms

www.plcacademy.com

158 ms

gppstub.js

167 ms

boise.js

38 ms

Our browser made a total of 149 requests to load all elements on the main page. We found that 49% of them (73 requests) were addressed to the original Plcacademy.com, 8% (12 requests) were made to Pagead2.googlesyndication.com and 7% (10 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (785 ms) relates to the external source Aid.send.microad.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 831.0 kB (45%)

Content Size

1.9 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Plcacademy.com main page is 1.9 MB. 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. Javascripts take 977.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 218.2 kB

  • Original 275.1 kB
  • After minification 275.1 kB
  • After compression 56.9 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 218.2 kB or 79% of the original size.

Image Optimization

-47%

Potential reduce by 283.7 kB

  • Original 602.9 kB
  • After minification 319.1 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. Obviously, PLC Academy needs image optimization as it can save up to 283.7 kB or 47% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-34%

Potential reduce by 329.0 kB

  • Original 977.5 kB
  • After minification 977.4 kB
  • After compression 648.5 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 329.0 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 78 (61%)

Requests Now

128

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PLC Academy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

plcacademy.com

plcacademy.com

41 ms

plcacademy.com

plcacademy.com

58 ms

www.plcacademy.com

www.plcacademy.com

158 ms

gppstub.js

gppstub.js

167 ms

boise.js

boise.js

38 ms

abilene.js

abilene.js

39 ms

style.css

style.css

44 ms

css

css

71 ms

stag-shortcodes.css

stag-shortcodes.css

34 ms

font-awesome.css

font-awesome.css

41 ms

style.min.css

style.min.css

79 ms

postratings-css.css

postratings-css.css

77 ms

main.css

main.css

74 ms

jquery.min.js

jquery.min.js

74 ms

jquery-migrate.min.js

jquery-migrate.min.js

74 ms

ajax.min.js

ajax.min.js

93 ms

adsbygoogle.js

adsbygoogle.js

119 ms

js

js

105 ms

ezvideojspluginscss.css

ezvideojspluginscss.css

162 ms

vtt.min.js

vtt.min.js

99 ms

ccpaplus.js

ccpaplus.js

216 ms

snippet.min.js

snippet.min.js

159 ms

core.min.js

core.min.js

158 ms

accordion.min.js

accordion.min.js

157 ms

tabs.min.js

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156 ms

stag-shortcode-scripts.js

stag-shortcode-scripts.js

156 ms

postratings-js.js

postratings-js.js

157 ms

mouse.min.js

mouse.min.js

210 ms

slider.min.js

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213 ms

effect.min.js

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212 ms

effect-slide.min.js

effect-slide.min.js

209 ms

jquery.ui.touch-punch.js

jquery.ui.touch-punch.js

207 ms

hoverIntent.min.js

hoverIntent.min.js

215 ms

plugins.min.js

plugins.min.js

222 ms

scripts.min.js

scripts.min.js

239 ms

addthis_widget.js

addthis_widget.js

377 ms

main.js

main.js

222 ms

show_ads_impl.js

show_ads_impl.js

240 ms

axolotl.js

axolotl.js

221 ms

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175 ms

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174 ms

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184 ms

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184 ms

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183 ms

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326 ms

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326 ms

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326 ms

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326 ms

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325 ms

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325 ms

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353 ms

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353 ms

ladder-logic-symbols-320x215.jpg

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354 ms

ladder-logic-examples-320x215.png

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354 ms

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353 ms

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353 ms

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369 ms

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364 ms

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365 ms

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363 ms

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361 ms

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360 ms

Best-PLC-programming-books.png

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379 ms

plc-basics-20x20.png

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375 ms

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174 ms

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316 ms

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374 ms

machine-safety-20x20.png

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353 ms

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352 ms

sensors-20x20.png

sensors-20x20.png

216 ms

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214 ms

PLCA-Basic-Cover.png

PLCA-Basic-Cover.png

215 ms

rating_over.gif

rating_over.gif

213 ms

icons.svg

icons.svg

214 ms

icons.woff

icons.woff

212 ms

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150 ms

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174 ms

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173 ms

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173 ms

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u-4n0qyriQwlOrhSvowK_l52_wFZWMf_.ttf

173 ms

zrt_lookup.html

zrt_lookup.html

113 ms

ads

ads

522 ms

tortoise.js

tortoise.js

149 ms

admin-ajax.php

admin-ajax.php

773 ms

overlay.png

overlay.png

107 ms

reactive_library.js

reactive_library.js

185 ms

ads

ads

326 ms

ads

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259 ms

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232 ms

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237 ms

load_preloaded_resource.js

load_preloaded_resource.js

46 ms

abg_lite.js

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48 ms

s

s

33 ms

window_focus.js

window_focus.js

61 ms

qs_click_protection.js

qs_click_protection.js

64 ms

d4128ee657a8b8f36370500b7756be30.js

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42 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

78 ms

interstitial_ad_frame.js

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78 ms

icon.png

icon.png

29 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

40 ms

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55 ms

ufs_web_display.js

ufs_web_display.js

379 ms

pixel

pixel

23 ms

dv3.js

dv3.js

359 ms

pixel

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48 ms

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52 ms

gen_204

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499 ms

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14 ms

bounce

bounce

12 ms

rum

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21 ms

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17 ms

pixel

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14 ms

css

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17 ms

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6 ms

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6 ms

ad

ad

44 ms

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370 ms

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cookie_push_onload.html

88 ms

ecmg

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157 ms

asr

asr

785 ms

usersync.aspx

usersync.aspx

61 ms

um

um

81 ms

img

img

170 ms

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27 ms

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27 ms

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17 ms

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80 ms

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25 ms

aframe

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27 ms

pixel

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22 ms

Accessibility Review

plcacademy.com accessibility score

86

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

plcacademy.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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

plcacademy.com SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Plcacademy.com 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 Plcacademy.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

plcacademy.com

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