Tools & Wizards About Us

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

blackbytes.info

Ruby Tutorials for Serious Ruby Developers (Ruby Blog)

Page Load Speed

1.4 sec in total

First Response

203 ms

Resources Loaded

879 ms

Page Rendered

268 ms

About Website

Click here to check amazing Blackbytes content for United States. Otherwise, check out these important facts you probably never knew about blackbytes.info

This blog is focused on helping you become a better Ruby developer with easy to understand tutorials & great content.

Visit blackbytes.info

Key Findings

We analyzed Blackbytes.info page load time and found that the first response time was 203 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

blackbytes.info performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.1

89/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

blackbytes.info

203 ms

css

24 ms

css

44 ms

crayon.min.css

229 ms

phonic-universal-podcast.css

232 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 57% of them (33 requests) were addressed to the original Blackbytes.info, 24% (14 requests) were made to Fonts.gstatic.com and 9% (5 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (493 ms) belongs to the original domain Blackbytes.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 72.7 kB (22%)

Content Size

332.0 kB

After Optimization

259.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blackbytes.info main page is 332.0 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. 55% of websites need less resources to load. CSS take 151.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 22.7 kB

  • Original 30.4 kB
  • After minification 30.1 kB
  • After compression 7.7 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 22.7 kB or 75% of the original size.

Image Optimization

-14%

Potential reduce by 12.2 kB

  • Original 85.5 kB
  • After minification 73.3 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, Blackbytes needs image optimization as it can save up to 12.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 4.2 kB

  • Original 64.8 kB
  • After minification 64.8 kB
  • After compression 60.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-22%

Potential reduce by 33.5 kB

  • Original 151.2 kB
  • After minification 151.0 kB
  • After compression 117.7 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. Blackbytes.info needs all CSS files to be minified and compressed as it can save up to 33.5 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (73%)

Requests Now

26

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackbytes. 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 from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

blackbytes.info accessibility score

70

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

Best Practices

blackbytes.info 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

blackbytes.info SEO score

79

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

High

Image elements do not have [alt] attributes

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 Blackbytes.info 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 Blackbytes.info 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 Blackbytes. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: