Report Summary

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    Best Practices

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Learn Web Development with Rails: Michael Hartl's Ruby on Rails Tutorial |

Page Load Speed

4.5 sec in total

First Response

925 ms

Resources Loaded

2.5 sec

Page Rendered

1 sec screenshot

About Website

Welcome to homepage info - get ready to check Draft Rails Tutorial best content for United States right away, or after learning these important things about

The Ruby on Rails Tutorial book and screencast series teach you how to develop and deploy real, industrial-strength web applications with Ruby on Rails, the open-source web framework that powers top w...


Key Findings

We analyzed page load time and found that the first response time was 925 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics performance score


Network Requests Diagram

925 ms


188 ms


87 ms


133 ms


115 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original, 14% (10 requests) were made to and 10% (7 requests) were made to The less responsive or slowest element that took the longest time to load (947 ms) relates to the external source

Page Optimization Overview & Recommendations

Page size can be reduced by 577.2 kB (53%)

Content Size

1.1 MB

After Optimization

521.3 kB

In fact, the total size of main page is 1.1 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. 50% of websites need less resources to load. Javascripts take 502.9 kB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 40.2 kB

  • Original 58.2 kB
  • After minification 57.8 kB
  • After compression 18.1 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 40.2 kB or 69% of the original size.

Image Optimization


Potential reduce by 108.1 kB

  • Original 393.8 kB
  • After minification 285.6 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, Draft Rails Tutorial needs image optimization as it can save up to 108.1 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization


Potential reduce by 308.3 kB

  • Original 502.9 kB
  • After minification 502.8 kB
  • After compression 194.6 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 308.3 kB or 61% of the original size.

CSS Optimization


Potential reduce by 120.6 kB

  • Original 143.6 kB
  • After minification 143.1 kB
  • After compression 23.0 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. needs all CSS files to be minified and compressed as it can save up to 120.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (55%)

Requests Now


After Optimization


The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Draft Rails Tutorial. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

SEO Factors SEO score


Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 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 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 Draft Rails Tutorial. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: