Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

rebuildingcenter.org

ReBuilding Center | Portland Nonprofit for Used Building Materials

Page Load Speed

2.5 sec in total

First Response

105 ms

Resources Loaded

1.6 sec

Page Rendered

855 ms

About Website

Visit rebuildingcenter.org now to see the best up-to-date Re Building Center content for United States and also check out these interesting facts you probably never knew about rebuildingcenter.org

Portland nonprofit, ReBuilding Center, builds community through used building materials, woodworking classes, deconstruction services & volunteer opportunities!

Visit rebuildingcenter.org

Key Findings

We analyzed Rebuildingcenter.org page load time and found that the first response time was 105 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

rebuildingcenter.org performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value31.4 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value2,190 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.068

96/100

15%

TTI (Time to Interactive)

Value24.5 s

0/100

10%

Network Requests Diagram

www.rebuildingcenter.org

105 ms

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152 ms

css2

105 ms

legacy.js

98 ms

modern.js

110 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Rebuildingcenter.org, 21% (11 requests) were made to Use.typekit.net and 21% (11 requests) were made to Assets.squarespace.com. The less responsive or slowest element that took the longest time to load (948 ms) relates to the external source Images.squarespace-cdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 991.7 kB (6%)

Content Size

17.4 MB

After Optimization

16.4 MB

In fact, the total size of Rebuildingcenter.org main page is 17.4 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. Only a small number of websites need less resources to load. Images take 15.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 94.8 kB

  • Original 115.6 kB
  • After minification 100.0 kB
  • After compression 20.8 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 15.6 kB, which is 13% 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 94.8 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 793.6 kB

  • Original 15.7 MB
  • After minification 14.9 MB

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. Re Building Center images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 103.0 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 1.4 MB

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

-3%

Potential reduce by 285 B

  • Original 8.2 kB
  • After minification 8.2 kB
  • After compression 7.9 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. Rebuildingcenter.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (67%)

Requests Now

39

After Optimization

13

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Re Building Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rebuildingcenter.org accessibility score

96

Accessibility Issues

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.

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

Links do not have a discernible name

Best Practices

rebuildingcenter.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

rebuildingcenter.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

Links do not have descriptive text

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 Rebuildingcenter.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 Rebuildingcenter.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 Re Building Center. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: