2 sec in total
195 ms
1.6 sec
183 ms
Click here to check amazing Rails For Zombies content for Brazil. Otherwise, check out these important facts you probably never knew about railsforzombies.org
In this Ruby for Beginners tutorial you will learn the basics of ruby on rails WITH zombies! Learn what models, views and controllers are and how to use them in Rails.
Visit railsforzombies.orgWe analyzed Railsforzombies.org page load time and found that the first response time was 195 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
railsforzombies.org performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value4.4 s
39/100
25%
Value9.1 s
14/100
10%
Value7,560 ms
0/100
30%
Value0.006
100/100
15%
Value22.4 s
1/100
10%
195 ms
21 ms
38 ms
32 ms
5 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Railsforzombies.org, 60% (26 requests) were made to D20m4dvzhiuv61.cloudfront.net and 7% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (546 ms) relates to the external source Static.xx.fbcdn.net.
Page size can be reduced by 857.2 kB (61%)
1.4 MB
549.3 kB
In fact, the total size of Railsforzombies.org main page is 1.4 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. 45% of websites need less resources to load. Javascripts take 952.8 kB which makes up the majority of the site volume.
Potential reduce by 18.2 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 18.2 kB or 76% of the original size.
Potential reduce by 4.7 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. Rails For Zombies images are well optimized though.
Potential reduce by 764.5 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 764.5 kB or 80% of the original size.
Potential reduce by 69.9 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. Railsforzombies.org needs all CSS files to be minified and compressed as it can save up to 69.9 kB or 88% of the original size.
Number of requests can be reduced by 11 (28%)
40
29
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rails For Zombies. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
railsforzombies.org
195 ms
application-ac42615b22b72e1f8ca76a72770b2bad.css
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application-724cb4280087bb5bda550d186c1c9574.js
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blackboard-stable.css
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widgets.js
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blackboard-stable.js
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mixpanel-2.2.min.js
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railsforzombies.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
railsforzombies.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
railsforzombies.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Railsforzombies.org 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 Railsforzombies.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.
railsforzombies.org
Open Graph data is detected on the main page of Rails For Zombies. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: