Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 62

    SEO

    Google-friendlier than
    32% of websites

railstips.org

Home // RailsTips by John Nunemaker

Page Load Speed

779 ms in total

First Response

178 ms

Resources Loaded

367 ms

Page Rendered

234 ms

railstips.org screenshot

About Website

Click here to check amazing Rails Tips content for United States. Otherwise, check out these important facts you probably never knew about railstips.org

Visit railstips.org

Key Findings

We analyzed Railstips.org page load time and found that the first response time was 178 ms and then it took 601 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

railstips.org performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

railstips.org

178 ms

www.railstips.org

73 ms

common.css

9 ms

feed-icon-12x12-orange.gif

66 ms

adsbygoogle.js

27 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 36% of them (4 requests) were addressed to the original Railstips.org, 18% (2 requests) were made to Static.railstips.org and 18% (2 requests) were made to Secure.gaug.es. The less responsive or slowest element that took the longest time to load (178 ms) belongs to the original domain Railstips.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 65.5 kB (65%)

Content Size

101.2 kB

After Optimization

35.7 kB

In fact, the total size of Railstips.org main page is 101.2 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. 20% of websites need less resources to load. Javascripts take 49.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 17.3 kB

  • Original 21.5 kB
  • After minification 18.0 kB
  • After compression 4.2 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. This page needs HTML code to be minified as it can gain 3.5 kB, which is 16% 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 17.3 kB or 80% of the original size.

Image Optimization

-29%

Potential reduce by 719 B

  • Original 2.4 kB
  • After minification 1.7 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, Rails Tips needs image optimization as it can save up to 719 B or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 24.5 kB

  • Original 49.3 kB
  • After minification 37.7 kB
  • After compression 24.8 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 24.5 kB or 50% of the original size.

CSS Optimization

-82%

Potential reduce by 23.0 kB

  • Original 28.0 kB
  • After minification 20.4 kB
  • After compression 5.0 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. Railstips.org needs all CSS files to be minified and compressed as it can save up to 23.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (56%)

Requests Now

9

After Optimization

4

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rails Tips. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

railstips.org accessibility score

75

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

Form elements do not have associated labels

Best Practices

railstips.org best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

railstips.org SEO score

62

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

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 Railstips.org 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 Railstips.org 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 description is not detected on the main page of Rails Tips. 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: