Tools & Wizards About Us
sustainablebuildingsinitiative.org screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

sustainablebuildingsinitiative.org

Sustainable Buildings Initiative — Sustainable Buildings Initiative

Page Load Speed

2.2 sec in total

First Response

306 ms

Resources Loaded

1.6 sec

Page Rendered

308 ms

sustainablebuildingsinitiative.org screenshot

About Website

Welcome to sustainablebuildingsinitiative.org homepage info - get ready to check Sustainable Buildings Initiative best content right away, or after learning these important things about sustainablebuildingsinitiative.org

The Sustainable Buildings Initiative engages commercial real estate owners and tenants in Greater Boston to help them reduce their greenhouse gas emissions and build climate resilience.

Visit sustainablebuildingsinitiative.org

Key Findings

We analyzed Sustainablebuildingsinitiative.org page load time and found that the first response time was 306 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

sustainablebuildingsinitiative.org performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

sustainablebuildingsinitiative.org

306 ms

sustainablebuildingsinitiative.org

214 ms

styles.template.css

58 ms

js

86 ms

jgi2kiu.js

109 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 73% of them (22 requests) were addressed to the original Sustainablebuildingsinitiative.org, 20% (6 requests) were made to Use.typekit.net and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (607 ms) belongs to the original domain Sustainablebuildingsinitiative.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.7 kB (1%)

Content Size

2.1 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sustainablebuildingsinitiative.org main page is 2.1 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. 45% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 16.7 kB

  • Original 22.1 kB
  • After minification 21.7 kB
  • After compression 5.5 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 16.7 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 399 B

  • Original 1.9 MB
  • After minification 1.9 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. Sustainable Buildings Initiative images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 591 B

  • Original 120.1 kB
  • After minification 120.1 kB
  • After compression 119.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 62 B

  • Original 10.5 kB
  • After minification 10.5 kB
  • After compression 10.4 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. Sustainablebuildingsinitiative.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (18%)

Requests Now

22

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sustainable Buildings Initiative. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sustainablebuildingsinitiative.org

sustainablebuildingsinitiative.org

306 ms

sustainablebuildingsinitiative.org

sustainablebuildingsinitiative.org

214 ms

styles.template.css

styles.template.css

58 ms

js

js

86 ms

jgi2kiu.js

jgi2kiu.js

109 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

232 ms

scripts_79f979e62b.min.js

scripts_79f979e62b.min.js

394 ms

jquery.royalslider.min.js

jquery.royalslider.min.js

339 ms

abc-icon-header.gif

abc-icon-header.gif

216 ms

header-facebook.png

header-facebook.png

216 ms

header-twitter.png

header-twitter.png

251 ms

search-icon.png

search-icon.png

266 ms

SBI-logo-large-green.png

SBI-logo-large-green.png

267 ms

homepage-photo.c01ca4bc4a25a218621916edfe8449ce.d1f8e54c2a185954768a11f997154777.jpg

homepage-photo.c01ca4bc4a25a218621916edfe8449ce.d1f8e54c2a185954768a11f997154777.jpg

467 ms

diagonal-lines.png

diagonal-lines.png

301 ms

Bill-Ilott---Custom-House-from-Greenway-1-Flickr-CC.70ecfd655a780db7ca34ad19854ea655.jpg

Bill-Ilott---Custom-House-from-Greenway-1-Flickr-CC.70ecfd655a780db7ca34ad19854ea655.jpg

510 ms

Supporting-commercial-real-estate-leaders.7db154d995b879e2e844c825a7c8e34a.jpg

Supporting-commercial-real-estate-leaders.7db154d995b879e2e844c825a7c8e34a.jpg

567 ms

Roger--Downtown-Buildings-Flickr-CC.0cc9199d601c4eaffe4da89a55df45b7.jpg

Roger--Downtown-Buildings-Flickr-CC.0cc9199d601c4eaffe4da89a55df45b7.jpg

518 ms

Bill-Damon---Back-Bay-at-Sunset-Flickr-CC.bc4ef8ebe18d7fabe1b66e773c58b5fb.jpg

Bill-Damon---Back-Bay-at-Sunset-Flickr-CC.bc4ef8ebe18d7fabe1b66e773c58b5fb.jpg

607 ms

cyclist.31f002837441806cc6af4345a720e605.d1f8e54c2a185954768a11f997154777.jpg

cyclist.31f002837441806cc6af4345a720e605.d1f8e54c2a185954768a11f997154777.jpg

415 ms

cyclist.31f002837441806cc6af4345a720e605.912d042707322389f2b409f6ab05133a.jpg

cyclist.31f002837441806cc6af4345a720e605.912d042707322389f2b409f6ab05133a.jpg

470 ms

tgbold-webfont.woff

tgbold-webfont.woff

379 ms

d

d

30 ms

d

d

18 ms

d

d

23 ms

d

d

34 ms

d

d

18 ms

p.gif

p.gif

29 ms

slidearrows.png

slidearrows.png

178 ms

styles.print.css

styles.print.css

52 ms

Accessibility Review

sustainablebuildingsinitiative.org accessibility score

58

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.

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

sustainablebuildingsinitiative.org best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sustainablebuildingsinitiative.org SEO score

83

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

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

    EN

  • Encoding

    UTF-8

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

sustainablebuildingsinitiative.org

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