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coditum.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

coditum.com

Online Coding Classes & Math Tutoring | Ages 8 to 108 | Coditum

Page Load Speed

3.4 sec in total

First Response

173 ms

Resources Loaded

2.4 sec

Page Rendered

826 ms

coditum.com screenshot

About Website

Welcome to coditum.com homepage info - get ready to check Coditum best content right away, or after learning these important things about coditum.com

Coditum offers private online coding classes in Python, Java, Web, 3D modeling and Math Tutoring for only $49. Register for an online class today!

Visit coditum.com

Key Findings

We analyzed Coditum.com page load time and found that the first response time was 173 ms and then it took 3.3 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

coditum.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value18.2 s

0/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.178

68/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

coditum.com

173 ms

coditum.com

1325 ms

index.min.css

58 ms

general.css

114 ms

df-style.css

165 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 87% of them (55 requests) were addressed to the original Coditum.com, 10% (6 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Coditum.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 741.8 kB (12%)

Content Size

5.9 MB

After Optimization

5.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Coditum.com main page is 5.9 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. Images take 5.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 128.8 kB

  • Original 157.0 kB
  • After minification 152.8 kB
  • After compression 28.2 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 128.8 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 607.5 kB

  • Original 5.5 MB
  • After minification 4.9 MB

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, Coditum needs image optimization as it can save up to 607.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 3.8 kB

  • Original 210.7 kB
  • After minification 210.7 kB
  • After compression 207.0 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

-2%

Potential reduce by 1.7 kB

  • Original 88.9 kB
  • After minification 88.9 kB
  • After compression 87.2 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. Coditum.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (77%)

Requests Now

43

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coditum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

coditum.com

coditum.com

173 ms

coditum.com

coditum.com

1325 ms

index.min.css

index.min.css

58 ms

general.css

general.css

114 ms

df-style.css

df-style.css

165 ms

df_lib_styles.css

df_lib_styles.css

168 ms

df-builder-styles.css

df-builder-styles.css

176 ms

popup-custom.css

popup-custom.css

174 ms

magnific_popup.css

magnific_popup.css

176 ms

animate.css

animate.css

177 ms

magnific-popup.min.css

magnific-popup.min.css

217 ms

core.min.css

core.min.css

221 ms

css

css

29 ms

style.min.css

style.min.css

273 ms

style.min.css

style.min.css

281 ms

style.min.css

style.min.css

296 ms

css

css

27 ms

single-jv-team.css

single-jv-team.css

217 ms

jquery.min.js

jquery.min.js

322 ms

jquery-migrate.min.js

jquery-migrate.min.js

270 ms

et-core-unified-9.min.css

et-core-unified-9.min.css

278 ms

popup.min.js

popup.min.js

453 ms

df-script.js

df-script.js

454 ms

df-menu-ext-script.js

df-menu-ext-script.js

455 ms

magnific-popup.js

magnific-popup.js

456 ms

main.min.js

main.min.js

456 ms

dtq-default-vb.js

dtq-default-vb.js

457 ms

scripts.min.js

scripts.min.js

462 ms

frontend-bundle.min.js

frontend-bundle.min.js

458 ms

frontend-bundle.min.js

frontend-bundle.min.js

458 ms

frontend-bundle.min.js

frontend-bundle.min.js

459 ms

frontend-bundle.min.js

frontend-bundle.min.js

459 ms

common.js

common.js

460 ms

magnific-popup.js

magnific-popup.js

460 ms

lottie.min.js

lottie.min.js

524 ms

frontend.min.js

frontend.min.js

461 ms

CTC-Verified-Logo.svg

CTC-Verified-Logo.svg

98 ms

Computer-Woman-new-background.png

Computer-Woman-new-background.png

111 ms

Coditum-500x200-1.png

Coditum-500x200-1.png

111 ms

download.gif

download.gif

114 ms

Untitled-design77.png

Untitled-design77.png

114 ms

DALL%C2%B7E-2023-10-11-13.11.14-Illustration-with-a-transparent-background-of-a-laptop-screen-showcasing-Python-programming-code.-The-code-has-several-nested-loops-function-definiti.png

DALL%C2%B7E-2023-10-11-13.11.14-Illustration-with-a-transparent-background-of-a-laptop-screen-showcasing-Python-programming-code.-The-code-has-several-nested-loops-function-definiti.png

113 ms

IMG_0071.jpg

IMG_0071.jpg

113 ms

Untitled-design83.png

Untitled-design83.png

194 ms

CTC-Verified-Logo.svg

CTC-Verified-Logo.svg

68 ms

et-divi-dynamic-tb-636-9-late.css

et-divi-dynamic-tb-636-9-late.css

66 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4uaVc.ttf

21 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

40 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

65 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

262 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

263 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

262 ms

modules.woff

modules.woff

263 ms

Coditum-500x200-1.png

Coditum-500x200-1.png

254 ms

Computer-Woman-new-background.png

Computer-Woman-new-background.png

328 ms

download.gif

download.gif

435 ms

IMG_0071.jpg

IMG_0071.jpg

383 ms

Untitled-design77.png

Untitled-design77.png

254 ms

DALL%C2%B7E-2023-10-11-13.11.14-Illustration-with-a-transparent-background-of-a-laptop-screen-showcasing-Python-programming-code.-The-code-has-several-nested-loops-function-definiti.png

DALL%C2%B7E-2023-10-11-13.11.14-Illustration-with-a-transparent-background-of-a-laptop-screen-showcasing-Python-programming-code.-The-code-has-several-nested-loops-function-definiti.png

440 ms

Untitled-design83.png

Untitled-design83.png

173 ms

animation_lnd56axr-1.json

animation_lnd56axr-1.json

57 ms

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56 ms

animation_lndeyk50.json

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57 ms

Accessibility Review

coditum.com accessibility score

83

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

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

coditum.com best practices score

92

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

Page has valid source maps

SEO Factors

coditum.com SEO score

83

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

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 Coditum.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 Coditum.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

coditum.com

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