Tools & Wizards About Us

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

coderzcolumn.com

CoderzColumn: Free Online Learning Platform | In-Depth Blogs, Tutorials, And Courses.

Page Load Speed

3.5 sec in total

First Response

146 ms

Resources Loaded

929 ms

Page Rendered

2.4 sec

About Website

Visit coderzcolumn.com now to see the best up-to-date Coderz Column content for United States and also check out these interesting facts you probably never knew about coderzcolumn.com

You Will Gain In-Depth Knowledge Through CoderzColumn Blogs/Tutorials On Topics - Python, Machine Learning, Artificial Intelligence (Deep Learning), Data Science, Data Visualization, Android, Blockcha...

Visit coderzcolumn.com

Key Findings

We analyzed Coderzcolumn.com page load time and found that the first response time was 146 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

coderzcolumn.com performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

71/100

25%

SI (Speed Index)

Value2.3 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

coderzcolumn.com

146 ms

bootstrap.min.css

51 ms

coderzcolumn.css

77 ms

lazysizes.min.js

124 ms

js

123 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Coderzcolumn.com, 47% (8 requests) were made to Storage.googleapis.com and 12% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (383 ms) relates to the external source Pagead2.googlesyndication.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.5 kB (12%)

Content Size

579.9 kB

After Optimization

511.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Coderzcolumn.com main page is 579.9 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. 45% of websites need less resources to load. Images take 262.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 51.5 kB

  • Original 60.4 kB
  • After minification 46.1 kB
  • After compression 8.9 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. This page needs HTML code to be minified as it can gain 14.3 kB, which is 24% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 51.5 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 16.6 kB

  • Original 262.5 kB
  • After minification 245.9 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. Coderz Column images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 87 B

  • Original 255.0 kB
  • After minification 255.0 kB
  • After compression 254.9 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

-15%

Potential reduce by 299 B

  • Original 2.0 kB
  • After minification 2.0 kB
  • After compression 1.7 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. Coderzcolumn.com needs all CSS files to be minified and compressed as it can save up to 299 B or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (38%)

Requests Now

16

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coderz Column. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

coderzcolumn.com accessibility score

85

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

coderzcolumn.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

coderzcolumn.com SEO score

92

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

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 Coderzcolumn.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 Coderzcolumn.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

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