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subnetting.org screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 0

    Best Practices

  • 67

    SEO

    Google-friendlier than
    25% of websites

subnetting.org

subnetting.org - Free Subnetting Questions and Answers Randomly Generated Online

Page Load Speed

443 ms in total

First Response

178 ms

Resources Loaded

179 ms

Page Rendered

86 ms

subnetting.org screenshot

About Website

Click here to check amazing Subnetting content for United States. Otherwise, check out these important facts you probably never knew about subnetting.org

Constant subnetting practice is the only way to pass your CCNA! This site automatically generates questions on subnetting using a random number generator.

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Key Findings

We analyzed Subnetting.org page load time and found that the first response time was 178 ms and then it took 265 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

subnetting.org performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.319

36/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

subnetting.org

178 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Subnetting.org and no external sources were called. The less responsive or slowest element that took the longest time to load (178 ms) belongs to the original domain Subnetting.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 300 B (2%)

Content Size

18.0 kB

After Optimization

17.7 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Subnetting.org main page is 18.0 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Javascripts take 17.7 kB which makes up the majority of the site volume.

HTML Optimization

-12%

Potential reduce by 22 B

  • Original 177 B
  • After minification 177 B
  • After compression 155 B

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 22 B or 12% of the original size.

JavaScript Optimization

-1%

Potential reduce by 242 B

  • Original 17.7 kB
  • After minification 17.7 kB
  • After compression 17.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-27%

Potential reduce by 36 B

  • Original 133 B
  • After minification 133 B
  • After compression 97 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. Subnetting.org needs all CSS files to be minified and compressed as it can save up to 36 B or 27% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

subnetting.org

subnetting.org

178 ms

Accessibility Review

subnetting.org accessibility score

89

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

SEO Factors

subnetting.org SEO score

67

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Subnetting.org 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 Subnetting.org main page’s claimed encoding is . 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

subnetting.org

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