Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

sustaincharlotte.org

Sustain Charlotte inspires choices that lead to a healthier, more vibrant community for generations to come!

Page Load Speed

10.8 sec in total

First Response

2 sec

Resources Loaded

8.2 sec

Page Rendered

696 ms

sustaincharlotte.org screenshot

About Website

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

Sustain Charlotte is a community-based nonprofit organization dedicated to educating, engaging and uniting citizens to solve Charlotte’s sustainability challenges. We inspire choices that lead to a he...

Visit sustaincharlotte.org

Key Findings

We analyzed Sustaincharlotte.org page load time and found that the first response time was 2 sec and then it took 8.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

sustaincharlotte.org performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value19.0 s

0/100

10%

TBT (Total Blocking Time)

Value520 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

sustaincharlotte.org

1968 ms

js

78 ms

css2

37 ms

mwu0jlq.css

174 ms

tribe-events-pro-mini-calendar-block.min.css

198 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 88% of them (58 requests) were addressed to the original Sustaincharlotte.org, 3% (2 requests) were made to Fonts.googleapis.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Sustaincharlotte.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (78%)

Content Size

1.3 MB

After Optimization

279.9 kB

In fact, the total size of Sustaincharlotte.org main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. CSS take 619.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 120.2 kB

  • Original 141.2 kB
  • After minification 132.7 kB
  • After compression 21.0 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. 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 120.2 kB or 85% of the original size.

JavaScript Optimization

-73%

Potential reduce by 382.5 kB

  • Original 527.4 kB
  • After minification 485.4 kB
  • After compression 144.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 382.5 kB or 73% of the original size.

CSS Optimization

-82%

Potential reduce by 505.5 kB

  • Original 619.5 kB
  • After minification 576.2 kB
  • After compression 114.0 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. Sustaincharlotte.org needs all CSS files to be minified and compressed as it can save up to 505.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (93%)

Requests Now

59

After Optimization

4

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sustain Charlotte. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 39 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sustaincharlotte.org accessibility score

83

Accessibility Issues

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

Buttons do not have an accessible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Best Practices

sustaincharlotte.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sustaincharlotte.org SEO score

71

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

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 Sustaincharlotte.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 Sustaincharlotte.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 Sustain Charlotte. 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: