Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

socialchangelab.org

Research | Social Change Lab

Page Load Speed

1.3 sec in total

First Response

181 ms

Resources Loaded

750 ms

Page Rendered

376 ms

socialchangelab.org screenshot

About Website

Visit socialchangelab.org now to see the best up-to-date Social Change Lab content and also check out these interesting facts you probably never knew about socialchangelab.org

Social Change Lab conducts empirical research on disruptive protest and people-powered movements.

Visit socialchangelab.org

Key Findings

We analyzed Socialchangelab.org page load time and found that the first response time was 181 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

socialchangelab.org performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

11/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

socialchangelab.org

181 ms

css

25 ms

bootstrap.min.css

80 ms

animate.min.css

150 ms

style.css

150 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 89% of them (24 requests) were addressed to the original Socialchangelab.org, 7% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (383 ms) belongs to the original domain Socialchangelab.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 185.7 kB (36%)

Content Size

520.7 kB

After Optimization

335.1 kB

In fact, the total size of Socialchangelab.org main page is 520.7 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. 35% of websites need less resources to load. Images take 285.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 10.7 kB

  • Original 14.7 kB
  • After minification 10.9 kB
  • After compression 4.0 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 3.7 kB, which is 25% 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 10.7 kB or 73% of the original size.

Image Optimization

-11%

Potential reduce by 30.9 kB

  • Original 285.6 kB
  • After minification 254.7 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, Social Change Lab needs image optimization as it can save up to 30.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 70.2 kB

  • Original 130.4 kB
  • After minification 129.1 kB
  • After compression 60.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 70.2 kB or 54% of the original size.

CSS Optimization

-82%

Potential reduce by 73.9 kB

  • Original 90.1 kB
  • After minification 82.6 kB
  • After compression 16.2 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. Socialchangelab.org needs all CSS files to be minified and compressed as it can save up to 73.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (39%)

Requests Now

18

After Optimization

11

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Social Change Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

socialchangelab.org accessibility score

91

Accessibility Issues

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

socialchangelab.org 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

Page has valid source maps

SEO Factors

socialchangelab.org SEO score

93

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

Image elements do not have [alt] attributes

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 Socialchangelab.org 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 Socialchangelab.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 description is not detected on the main page of Social Change Lab. 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: