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codeat21.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

codeat21.com

Home - codeat21.com - Web Designing and Development Tutorials Website.

Page Load Speed

2.3 sec in total

First Response

197 ms

Resources Loaded

1.8 sec

Page Rendered

250 ms

codeat21.com screenshot

About Website

Click here to check amazing Codeat 21 content. Otherwise, check out these important facts you probably never knew about codeat21.com

codeat21.com is a web designing and development tutorials website. Learn Web Development, HTML, CSS, PHP, MySQL, JavaScript, Node JS, React JS, jQuery, etc..

Visit codeat21.com

Key Findings

We analyzed Codeat21.com page load time and found that the first response time was 197 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

codeat21.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value1,890 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.439

21/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

codeat21.com

197 ms

wp-emoji-release.min.js

160 ms

sgr.css

147 ms

cv.css

155 ms

style.min.css

151 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 63% of them (32 requests) were addressed to the original Codeat21.com, 18% (9 requests) were made to Fonts.gstatic.com and 6% (3 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (668 ms) belongs to the original domain Codeat21.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.2 kB (7%)

Content Size

976.7 kB

After Optimization

907.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Codeat21.com main page is 976.7 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. 65% of websites need less resources to load. Javascripts take 493.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 63.5 kB

  • Original 86.0 kB
  • After minification 84.0 kB
  • After compression 22.5 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 63.5 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 4.7 kB

  • Original 248.9 kB
  • After minification 244.2 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. Codeat 21 images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 699 B

  • Original 493.1 kB
  • After minification 493.1 kB
  • After compression 492.4 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

-0%

Potential reduce by 265 B

  • Original 148.7 kB
  • After minification 148.7 kB
  • After compression 148.4 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. Codeat21.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (63%)

Requests Now

40

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Codeat 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

codeat21.com

codeat21.com

197 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

160 ms

sgr.css

sgr.css

147 ms

cv.css

cv.css

155 ms

style.min.css

style.min.css

151 ms

pagenavi-css.css

pagenavi-css.css

145 ms

prism.css

prism.css

154 ms

style.css

style.css

429 ms

css

css

35 ms

dashicons.min.css

dashicons.min.css

327 ms

sgr.js

sgr.js

298 ms

jquery.min.js

jquery.min.js

372 ms

jquery-migrate.min.js

jquery-migrate.min.js

281 ms

prism.js

prism.js

164 ms

adsbygoogle.js

adsbygoogle.js

95 ms

js

js

94 ms

et-core-unified-26-17096376144421.min.css

et-core-unified-26-17096376144421.min.css

303 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

380 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

399 ms

cv.js

cv.js

584 ms

custom.unified.js

custom.unified.js

668 ms

common.js

common.js

585 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

610 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

585 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

585 ms

CodeAT21-Logo.png

CodeAT21-Logo.png

145 ms

PHP-Pagination-Code-with-Column-Sorting-using-AJAX.png

PHP-Pagination-Code-with-Column-Sorting-using-AJAX.png

329 ms

Next-js-and-PHP-MySQLi-CRUD-application.png

Next-js-and-PHP-MySQLi-CRUD-application.png

328 ms

41SVTBTm1oL._SX384_BO1204203200_.jpg

41SVTBTm1oL._SX384_BO1204203200_.jpg

118 ms

51crDMXZG5L._SX419_BO1204203200_-1.jpg

51crDMXZG5L._SX419_BO1204203200_-1.jpg

329 ms

51OpcLaUlHL.jpg

51OpcLaUlHL.jpg

442 ms

516A4DUxdWL._SY346_.jpg

516A4DUxdWL._SY346_.jpg

441 ms

51fgJdqF6L._SX403_BO1204203200_.jpg

51fgJdqF6L._SX403_BO1204203200_.jpg

443 ms

51pNVOIkhkL.jpg

51pNVOIkhkL.jpg

443 ms

show_ads_impl.js

show_ads_impl.js

407 ms

zrt_lookup_nohtml.html

zrt_lookup_nohtml.html

57 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuI6fAZFhjZ-Ek-_0ew.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuI6fAZFhjZ-Ek-_0ew.ttf

208 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZFhjZ-Ek-_0ew.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZFhjZ-Ek-_0ew.ttf

359 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuOKfAZFhjZ-Ek-_0ew.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuOKfAZFhjZ-Ek-_0ew.ttf

446 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuDyfAZFhjZ-Ek-_0ew.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuDyfAZFhjZ-Ek-_0ew.ttf

412 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyeAZFhjZ-Ek-_0ew.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyeAZFhjZ-Ek-_0ew.ttf

445 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYAZFhjZ-Ek-_0ew.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYAZFhjZ-Ek-_0ew.ttf

412 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYAZFhjZ-Ek-_0ew.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYAZFhjZ-Ek-_0ew.ttf

411 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuDyYAZFhjZ-Ek-_0ew.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuDyYAZFhjZ-Ek-_0ew.ttf

359 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuBWYAZFhjZ-Ek-_0ew.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuBWYAZFhjZ-Ek-_0ew.ttf

474 ms

modules.ttf

modules.ttf

206 ms

js

js

190 ms

analytics.js

analytics.js

29 ms

collect

collect

12 ms

ads

ads

536 ms

ads

ads

380 ms

Accessibility Review

codeat21.com accessibility score

75

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

codeat21.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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

codeat21.com SEO score

84

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Codeat21.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 Codeat21.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

codeat21.com

Open Graph description is not detected on the main page of Codeat 21. 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: