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plcs.net screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

plcs.net

Your Personal PLC Tutor - Learn PLC Programming Here. FREE

Page Load Speed

794 ms in total

First Response

110 ms

Resources Loaded

552 ms

Page Rendered

132 ms

plcs.net screenshot

About Website

Click here to check amazing PLC S content for United States. Otherwise, check out these important facts you probably never knew about plcs.net

The BEST place to Learn PLC Programming... Always FREE of course.

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Key Findings

We analyzed Plcs.net page load time and found that the first response time was 110 ms and then it took 684 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

plcs.net performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value4,420 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

plcs.net

110 ms

2col_rightNav.css

46 ms

catfish.css

48 ms

external.php

398 ms

plcsalead2ABC.gif

117 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 96% of them (24 requests) were addressed to the original Plcs.net, 4% (1 request) were made to Plctalk.net. The less responsive or slowest element that took the longest time to load (398 ms) relates to the external source Plctalk.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.4 kB (75%)

Content Size

26.0 kB

After Optimization

6.6 kB

  • HTML
  • CSS

In fact, the total size of Plcs.net main page is 26.0 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. HTML takes 20.2 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 14.7 kB

  • Original 20.2 kB
  • After minification 19.3 kB
  • After compression 5.5 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 14.7 kB or 73% of the original size.

CSS Optimization

-82%

Potential reduce by 4.7 kB

  • Original 5.8 kB
  • After minification 2.9 kB
  • After compression 1.1 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. Plcs.net needs all CSS files to be minified and compressed as it can save up to 4.7 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

24

After Optimization

24

  • AJAX
  • Images
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PLC S. According to our analytics all requests are already optimized.

Network Requests Diagram

plcs.net

plcs.net

110 ms

2col_rightNav.css

2col_rightNav.css

46 ms

catfish.css

catfish.css

48 ms

external.php

external.php

398 ms

plcsalead2ABC.gif

plcsalead2ABC.gif

117 ms

HOME2.gif

HOME2.gif

27 ms

QandA.gif

QandA.gif

29 ms

learn.gif

learn.gif

27 ms

jobs.gif

jobs.gif

51 ms

buy.gif

buy.gif

50 ms

guest3.gif

guest3.gif

52 ms

logo3.gif

logo3.gif

52 ms

bookanim.gif

bookanim.gif

53 ms

online.gif

online.gif

52 ms

storean2.gif

storean2.gif

75 ms

reviews.gif

reviews.gif

74 ms

downloads.gif

downloads.gif

79 ms

spacer.gif

spacer.gif

75 ms

plctips.gif

plctips.gif

78 ms

nospam.gif

nospam.gif

78 ms

searchmenu.gif

searchmenu.gif

95 ms

vote.gif

vote.gif

95 ms

Count.cgi

Count.cgi

102 ms

catfish-tile.gif

catfish-tile.gif

27 ms

catfish.gif

catfish.gif

26 ms

Accessibility Review

plcs.net accessibility score

67

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

plcs.net best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

plcs.net SEO score

62

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Plcs.net 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 Plcs.net main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

plcs.net

Open Graph description is not detected on the main page of PLC S. 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: