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learn-rails.com screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

learn-rails.com

Learn-Rails.com · Tutorials and Videos · by Daniel Kehoe

Page Load Speed

497 ms in total

First Response

70 ms

Resources Loaded

320 ms

Page Rendered

107 ms

learn-rails.com screenshot

About Website

Visit learn-rails.com now to see the best up-to-date Learn Rails content for United States and also check out these interesting facts you probably never knew about learn-rails.com

Learn Ruby on Rails with the Rails tutorial by author Daniel Kehoe. Start with the free book that is called, 'The best Rails book for beginners'.

Visit learn-rails.com

Key Findings

We analyzed Learn-rails.com page load time and found that the first response time was 70 ms and then it took 427 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

learn-rails.com performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

learn-rails.com

70 ms

application-b95cc3506cf676561e34df33d04be8856160c50ef2247a09562ad3ff6ff3f940.css

16 ms

application-8f8949139d1aedc4784cba3dd09988615ffc0390c6f92c801cb710bddfd7a298.js

32 ms

analytics.min.js

163 ms

learn-rails-book-cover.jpg

22 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 88% of them (7 requests) were addressed to the original Learn-rails.com, 13% (1 request) were made to Cdn.segment.io. The less responsive or slowest element that took the longest time to load (163 ms) relates to the external source Cdn.segment.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 251.8 kB (60%)

Content Size

417.4 kB

After Optimization

165.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Learn-rails.com main page is 417.4 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. 30% of websites need less resources to load. CSS take 151.7 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 3.1 kB

  • Original 4.4 kB
  • After minification 3.2 kB
  • After compression 1.3 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 1.2 kB, which is 28% 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 3.1 kB or 71% of the original size.

Image Optimization

-17%

Potential reduce by 19.3 kB

  • Original 114.6 kB
  • After minification 95.2 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. Obviously, Learn Rails needs image optimization as it can save up to 19.3 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 101.3 kB

  • Original 146.6 kB
  • After minification 143.1 kB
  • After compression 45.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 101.3 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 128.0 kB

  • Original 151.7 kB
  • After minification 151.0 kB
  • After compression 23.7 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. Learn-rails.com needs all CSS files to be minified and compressed as it can save up to 128.0 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learn Rails. According to our analytics all requests are already optimized.

Network Requests Diagram

learn-rails.com

learn-rails.com

70 ms

application-b95cc3506cf676561e34df33d04be8856160c50ef2247a09562ad3ff6ff3f940.css

application-b95cc3506cf676561e34df33d04be8856160c50ef2247a09562ad3ff6ff3f940.css

16 ms

application-8f8949139d1aedc4784cba3dd09988615ffc0390c6f92c801cb710bddfd7a298.js

application-8f8949139d1aedc4784cba3dd09988615ffc0390c6f92c801cb710bddfd7a298.js

32 ms

analytics.min.js

analytics.min.js

163 ms

learn-rails-book-cover.jpg

learn-rails-book-cover.jpg

22 ms

book_1.jpg

book_1.jpg

15 ms

book_2.jpg

book_2.jpg

21 ms

capstone-cropped.png

capstone-cropped.png

11 ms

Accessibility Review

learn-rails.com accessibility score

84

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

learn-rails.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

learn-rails.com SEO score

89

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Learn-rails.com 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 Learn-rails.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

learn-rails.com

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