Tools & Wizards About Us
yourdatateacher.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

yourdatateacher.com

Data science courses and lessons | Your Data Teacher

Page Load Speed

5.9 sec in total

First Response

334 ms

Resources Loaded

5 sec

Page Rendered

554 ms

yourdatateacher.com screenshot

About Website

Welcome to yourdatateacher.com homepage info - get ready to check Your Data Teacher best content right away, or after learning these important things about yourdatateacher.com

Courses and online lessons on data science, machine learning, Python, SQL and R programming languages. Become a data scientist today.

Visit yourdatateacher.com

Key Findings

We analyzed Yourdatateacher.com page load time and found that the first response time was 334 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

yourdatateacher.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

Network Requests Diagram

yourdatateacher.com

334 ms

www.yourdatateacher.com

682 ms

wp-emoji-release.min.js

111 ms

bdt-uikit.css

223 ms

ep-helper.css

310 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 65% of them (65 requests) were addressed to the original Yourdatateacher.com, 7% (7 requests) were made to Fonts.mailerlite.com and 6% (6 requests) were made to Static.mailerlite.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Yourdatateacher.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 127.9 kB (5%)

Content Size

2.6 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yourdatateacher.com main page is 2.6 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. 65% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 96.9 kB

  • Original 119.0 kB
  • After minification 111.0 kB
  • After compression 22.0 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 96.9 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 2.5 kB

  • Original 1.2 MB
  • After minification 1.2 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. Your Data Teacher images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 21.4 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 1.1 MB

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

-5%

Potential reduce by 7.0 kB

  • Original 147.8 kB
  • After minification 147.8 kB
  • After compression 140.8 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. Yourdatateacher.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 74 (89%)

Requests Now

83

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Your Data Teacher. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 33 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

yourdatateacher.com

yourdatateacher.com

334 ms

www.yourdatateacher.com

www.yourdatateacher.com

682 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

111 ms

bdt-uikit.css

bdt-uikit.css

223 ms

ep-helper.css

ep-helper.css

310 ms

style.min.css

style.min.css

312 ms

wpcf7-redirect-frontend.min.css

wpcf7-redirect-frontend.min.css

315 ms

styles.css

styles.css

320 ms

cookie-law-info-public.css

cookie-law-info-public.css

319 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

335 ms

tnado-styles.css

tnado-styles.css

423 ms

header-footer-elementor.css

header-footer-elementor.css

417 ms

frontend-legacy.min.css

frontend-legacy.min.css

424 ms

frontend.min.css

frontend.min.css

539 ms

general.min.css

general.min.css

426 ms

eael-174.css

eael-174.css

486 ms

elementor-icons.min.css

elementor-icons.min.css

523 ms

post-114.css

post-114.css

525 ms

style.min.css

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532 ms

global.css

global.css

537 ms

post-174.css

post-174.css

596 ms

frontend.css

frontend.css

630 ms

css

css

57 ms

style.css

style.css

733 ms

katex.min.css

katex.min.css

640 ms

style.css

style.css

642 ms

css

css

68 ms

fontawesome.min.css

fontawesome.min.css

648 ms

solid.min.css

solid.min.css

703 ms

brands.min.css

brands.min.css

736 ms

regular.min.css

regular.min.css

744 ms

jquery.min.js

jquery.min.js

859 ms

jquery-migrate.min.js

jquery-migrate.min.js

756 ms

cookie-law-info-public.js

cookie-law-info-public.js

813 ms

v4-shims.min.js

v4-shims.min.js

836 ms

js

js

92 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

61 ms

adsbygoogle.js

adsbygoogle.js

133 ms

addthis_widget.js

addthis_widget.js

75 ms

animations.min.css

animations.min.css

837 ms

editor-panel.min.js

editor-panel.min.js

846 ms

wpcf7r-fe.js

wpcf7r-fe.js

995 ms

scripts.js

scripts.js

1046 ms

general.min.js

general.min.js

1045 ms

eael-174.js

eael-174.js

946 ms

all.min.js

all.min.js

2145 ms

modal-accessibility.min.js

modal-accessibility.min.js

745 ms

custom.min.js

custom.min.js

742 ms

katex.min.js

katex.min.js

969 ms

scripts.js

scripts.js

934 ms

wp-embed.min.js

wp-embed.min.js

834 ms

bdt-uikit.min.js

bdt-uikit.min.js

915 ms

webpack.runtime.min.js

webpack.runtime.min.js

737 ms

frontend-modules.min.js

frontend-modules.min.js

861 ms

waypoints.min.js

waypoints.min.js

858 ms

core.min.js

core.min.js

934 ms

swiper.min.js

swiper.min.js

882 ms

share-link.min.js

share-link.min.js

842 ms

dialog.min.js

dialog.min.js

836 ms

frontend.min.js

frontend.min.js

837 ms

helper.min.js

helper.min.js

925 ms

preloaded-modules.min.js

preloaded-modules.min.js

923 ms

imagesloaded.min.js

imagesloaded.min.js

878 ms

frontend.min.js

frontend.min.js

843 ms

analytics.js

analytics.js

172 ms

gtm.js

gtm.js

171 ms

cropped-favicon.png

cropped-favicon.png

564 ms

artificial-intelligence-3382507_1280.jpg

artificial-intelligence-3382507_1280.jpg

1069 ms

foto-profilo-superprof.jpg

foto-profilo-superprof.jpg

660 ms

4iCs6KVjbNBYlgoKfw7z.ttf

4iCs6KVjbNBYlgoKfw7z.ttf

40 ms

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76 ms

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4iCv6KVjbNBYlgoCxCvjsGyI.ttf

101 ms

fa-solid-900.woff

fa-solid-900.woff

647 ms

fa-regular-400.woff

fa-regular-400.woff

536 ms

nuFvD-vYSZviVYUb_rj3ij__anPXJzDwcbmjWBN2PKdFvXDXbtY.ttf

nuFvD-vYSZviVYUb_rj3ij__anPXJzDwcbmjWBN2PKdFvXDXbtY.ttf

119 ms

fa-brands-400.woff

fa-brands-400.woff

758 ms

eicons.woff

eicons.woff

856 ms

4iCu6KVjbNBYlgoKej70l0w.ttf

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118 ms

collect

collect

46 ms

universal.js

universal.js

113 ms

universal.css

universal.css

54 ms

s8x2u1p8f7_popups.js

s8x2u1p8f7_popups.js

117 ms

page.html

page.html

161 ms

bootstrap-4.3.1.min.css

bootstrap-4.3.1.min.css

130 ms

jquery-3.3.1.slim.min.js

jquery-3.3.1.slim.min.js

160 ms

popper.min.js

popper.min.js

37 ms

bootstrap-4.3.1.min.js

bootstrap-4.3.1.min.js

203 ms

webforms.min.js

webforms.min.js

18 ms

jquery.min.js

jquery.min.js

61 ms

fonts.css

fonts.css

50 ms

created-with-mailerlite.png

created-with-mailerlite.png

49 ms

css

css

143 ms

ml_jQuery.inputmask.bundle.min.js

ml_jQuery.inputmask.bundle.min.js

19 ms

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053c0c8598c077e264c29ed6418812e408565a03.jpeg

941 ms

pxiEyp8kv8JHgFVrJJnedw.ttf

pxiEyp8kv8JHgFVrJJnedw.ttf

71 ms

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102 ms

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121 ms

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125 ms

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyAaBO9U6Vc.ttf

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyAaBO9U6Vc.ttf

99 ms

Accessibility Review

yourdatateacher.com accessibility score

90

Accessibility Issues

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

Buttons do not have an accessible name

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.

Best Practices

yourdatateacher.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

yourdatateacher.com SEO score

93

Search Engine Optimization Advices

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

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 Yourdatateacher.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 Yourdatateacher.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

yourdatateacher.com

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