Tools & Wizards About Us
learnyouahaskell.com screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

learnyouahaskell.com

Learn You a Haskell for Great Good!

Page Load Speed

854 ms in total

First Response

211 ms

Resources Loaded

497 ms

Page Rendered

146 ms

learnyouahaskell.com screenshot

About Website

Visit learnyouahaskell.com now to see the best up-to-date Learn You A Haskell content for United States and also check out these interesting facts you probably never knew about learnyouahaskell.com

Visit learnyouahaskell.com

Key Findings

We analyzed Learnyouahaskell.com page load time and found that the first response time was 211 ms and then it took 643 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

learnyouahaskell.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

97/100

25%

SI (Speed Index)

Value2.5 s

97/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

learnyouahaskell.com

211 ms

reset.css

60 ms

style.css

111 ms

ga.js

26 ms

newsplash.png

171 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 67% of them (4 requests) were addressed to the original Learnyouahaskell.com, 33% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (211 ms) belongs to the original domain Learnyouahaskell.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.2 kB (6%)

Content Size

82.8 kB

After Optimization

77.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Learnyouahaskell.com main page is 82.8 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. Only 10% of websites need less resources to load. Images take 57.8 kB which makes up the majority of the site volume.

HTML Optimization

-53%

Potential reduce by 1.4 kB

  • Original 2.7 kB
  • After minification 2.6 kB
  • After compression 1.3 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 1.4 kB or 53% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 57.8 kB
  • After minification 57.8 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. Learn You A Haskell images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-73%

Potential reduce by 3.7 kB

  • Original 5.1 kB
  • After minification 3.9 kB
  • After compression 1.4 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. Learnyouahaskell.com needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learn You A Haskell. According to our analytics all requests are already optimized.

Network Requests Diagram

learnyouahaskell.com

learnyouahaskell.com

211 ms

reset.css

reset.css

60 ms

style.css

style.css

111 ms

ga.js

ga.js

26 ms

newsplash.png

newsplash.png

171 ms

__utm.gif

__utm.gif

27 ms

Accessibility Review

learnyouahaskell.com accessibility score

88

Accessibility Issues

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

learnyouahaskell.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

learnyouahaskell.com SEO score

64

Search Engine Optimization Advices

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 Learnyouahaskell.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 Learnyouahaskell.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

learnyouahaskell.com

Open Graph description is not detected on the main page of Learn You A Haskell. 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: