Tools & Wizards About Us
portacle.github.io screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

portacle.github.io

Portacle - A Portable Common Lisp Development Environment

Page Load Speed

567 ms in total

First Response

11 ms

Resources Loaded

145 ms

Page Rendered

411 ms

portacle.github.io screenshot

About Website

Welcome to portacle.github.io homepage info - get ready to check Portacle Github best content for China right away, or after learning these important things about portacle.github.io

Portacle is an easy to install, portable development environment for Common Lisp running on Windows, OS X, and Linux.

Visit portacle.github.io

Key Findings

We analyzed Portacle.github.io page load time and found that the first response time was 11 ms and then it took 556 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

portacle.github.io performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

portacle.github.io

11 ms

portacle.github.io

28 ms

index.css

16 ms

portacle.svg

13 ms

emacs.svg

33 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Portacle.github.io and no external sources were called. The less responsive or slowest element that took the longest time to load (41 ms) belongs to the original domain Portacle.github.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.9 kB (25%)

Content Size

144.6 kB

After Optimization

107.7 kB

  • HTML
  • Images

In fact, the total size of Portacle.github.io main page is 144.6 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 134.2 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 7.0 kB

  • Original 10.4 kB
  • After minification 9.1 kB
  • After compression 3.4 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 1.3 kB, which is 12% 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 7.0 kB or 68% of the original size.

Image Optimization

-22%

Potential reduce by 29.8 kB

  • Original 134.2 kB
  • After minification 104.4 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, Portacle Github needs image optimization as it can save up to 29.8 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Portacle Github. According to our analytics all requests are already optimized.

Network Requests Diagram

portacle.github.io

portacle.github.io

11 ms

portacle.github.io

portacle.github.io

28 ms

index.css

index.css

16 ms

portacle.svg

portacle.svg

13 ms

emacs.svg

emacs.svg

33 ms

sbcl.svg

sbcl.svg

20 ms

quicklisp.svg

quicklisp.svg

19 ms

git.svg

git.svg

15 ms

win.svg

win.svg

37 ms

mac.svg

mac.svg

24 ms

lin.svg

lin.svg

41 ms

portacle-start.png

portacle-start.png

25 ms

portacle-greet.png

portacle-greet.png

33 ms

portacle-minibuffer.png

portacle-minibuffer.png

41 ms

header.png

header.png

32 ms

concourse-bold.woff

concourse-bold.woff

21 ms

concourse.woff

concourse.woff

11 ms

Accessibility Review

portacle.github.io accessibility score

100

Accessibility Issues

Best Practices

portacle.github.io 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

SEO Factors

portacle.github.io 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

    EN

  • Encoding

    UTF-8

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

portacle.github.io

Open Graph data is detected on the main page of Portacle Github. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: