Tools & Wizards About Us

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

code4lib.org

Code4Lib | We are developers and technologists for libraries, museums, and archives who are dedicated to being a diverse and inclusive community, seek...

Page Load Speed

3.1 sec in total

First Response

82 ms

Resources Loaded

224 ms

Page Rendered

2.8 sec

About Website

Visit code4lib.org now to see the best up-to-date Code4 Lib content for United States and also check out these interesting facts you probably never knew about code4lib.org

We are developers and technologists for libraries, museums, and archives who are dedicated to being a diverse and inclusive community, seeking to share ideas and build collaboration.

Visit code4lib.org

Key Findings

We analyzed Code4lib.org page load time and found that the first response time was 82 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

code4lib.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

code4lib.org

82 ms

code4lib.org

39 ms

main.css

9 ms

c4l_logo.RGB_400px.png

31 ms

minima-social-icons.svg

27 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Code4lib.org and no external sources were called. The less responsive or slowest element that took the longest time to load (82 ms) belongs to the original domain Code4lib.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.8 kB (82%)

Content Size

115.8 kB

After Optimization

21.1 kB

  • HTML
  • Images

In fact, the total size of Code4lib.org main page is 115.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 109.6 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 92.7 kB

  • Original 109.6 kB
  • After minification 87.5 kB
  • After compression 16.9 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 22.1 kB, which is 20% 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 92.7 kB or 85% of the original size.

Image Optimization

-32%

Potential reduce by 2.0 kB

  • Original 6.2 kB
  • After minification 4.2 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, Code4 Lib needs image optimization as it can save up to 2.0 kB or 32% 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

3

After Optimization

3

  • Images
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Code4 Lib. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

code4lib.org accessibility score

100

Accessibility Issues

Best Practices

code4lib.org 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

code4lib.org SEO score

99

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

High

Tap targets are not sized appropriately

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 Code4lib.org 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 Code4lib.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.

Social Sharing Optimization

Open Graph data is detected on the main page of Code4 Lib. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: