Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

programmingdesignsystems.com

Programming Design Systems

Page Load Speed

449 ms in total

First Response

32 ms

Resources Loaded

357 ms

Page Rendered

60 ms

programmingdesignsystems.com screenshot

About Website

Welcome to programmingdesignsystems.com homepage info - get ready to check Programming Design Systems best content for United States right away, or after learning these important things about programmingdesignsystems.com

Programming Design Systems is a free digital book that teaches a practical introduction to the new foundations of graphic design.

Visit programmingdesignsystems.com

Key Findings

We analyzed Programmingdesignsystems.com page load time and found that the first response time was 32 ms and then it took 417 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

programmingdesignsystems.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.044

99/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

programmingdesignsystems.com

32 ms

programmingdesignsystems.com

183 ms

bundle-f3f9d291f9.css

3 ms

script.js

109 ms

app-c6c9c2d8c23735faaac5.js

19 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 Programmingdesignsystems.com, 13% (1 request) were made to Cdn.usefathom.com. The less responsive or slowest element that took the longest time to load (183 ms) belongs to the original domain Programmingdesignsystems.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 kB (0%)

Content Size

316.8 kB

After Optimization

315.7 kB

In fact, the total size of Programmingdesignsystems.com main page is 316.8 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 312.3 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 660 B

  • Original 1.2 kB
  • After minification 1.1 kB
  • After compression 559 B

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 660 B or 54% of the original size.

JavaScript Optimization

-0%

Potential reduce by 366 B

  • Original 312.3 kB
  • After minification 312.3 kB
  • After compression 311.9 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

-3%

Potential reduce by 89 B

  • Original 3.3 kB
  • After minification 3.3 kB
  • After compression 3.2 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. Programmingdesignsystems.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Programming Design Systems. According to our analytics all requests are already optimized.

Accessibility Review

programmingdesignsystems.com accessibility score

85

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

programmingdesignsystems.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

programmingdesignsystems.com SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Programmingdesignsystems.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 Programmingdesignsystems.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

Open Graph description is not detected on the main page of Programming Design Systems. 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: