Tools & Wizards About Us
buildingsciencelabs.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

buildingsciencelabs.com

Building Science Services - RDH | Making Buildings Better™

Page Load Speed

2.9 sec in total

First Response

243 ms

Resources Loaded

1.9 sec

Page Rendered

687 ms

buildingsciencelabs.com screenshot

About Website

Visit buildingsciencelabs.com now to see the best up-to-date Buildings Ciencelabs content and also check out these interesting facts you probably never knew about buildingsciencelabs.com

RDH is a building science and engineering consulting firm offering services in New Construction, Existing Buildings, and Research + Forensics.

Visit buildingsciencelabs.com

Key Findings

We analyzed Buildingsciencelabs.com page load time and found that the first response time was 243 ms and then it took 2.6 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

buildingsciencelabs.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value3,740 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

buildingsciencelabs.com

243 ms

www.rdh.com

673 ms

all.css

222 ms

qkz5xjg.css

264 ms

jquery.fancybox.min.css

148 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Buildingsciencelabs.com, 33% (17 requests) were made to Rdh.com and 14% (7 requests) were made to 371814.smushcdn.com. The less responsive or slowest element that took the longest time to load (673 ms) relates to the external source Rdh.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.6 kB (9%)

Content Size

726.3 kB

After Optimization

659.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Buildingsciencelabs.com main page is 726.3 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. 65% of websites need less resources to load. Images take 563.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 46.9 kB

  • Original 58.3 kB
  • After minification 52.0 kB
  • After compression 11.3 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 6.3 kB, which is 11% 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 46.9 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 563.9 kB
  • After minification 563.9 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. Buildings Ciencelabs images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.0 kB

  • Original 58.3 kB
  • After minification 58.3 kB
  • After compression 56.3 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

-39%

Potential reduce by 17.7 kB

  • Original 45.9 kB
  • After minification 28.8 kB
  • After compression 28.2 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. Buildingsciencelabs.com needs all CSS files to be minified and compressed as it can save up to 17.7 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (64%)

Requests Now

42

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buildings Ciencelabs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

buildingsciencelabs.com

buildingsciencelabs.com

243 ms

www.rdh.com

www.rdh.com

673 ms

all.css

all.css

222 ms

qkz5xjg.css

qkz5xjg.css

264 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

148 ms

style.min.css

style.min.css

39 ms

style.css

style.css

51 ms

frontend.min.css

frontend.min.css

106 ms

flatpickr.min.css

flatpickr.min.css

103 ms

select2.min.css

select2.min.css

48 ms

css

css

136 ms

font-awesome.min.css

font-awesome.min.css

157 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

180 ms

slick.min.css

slick.min.css

188 ms

main-style.css

main-style.css

71 ms

jquery.min.js

jquery.min.js

155 ms

flatpickr.min.js

flatpickr.min.js

100 ms

select2.min.js

select2.min.js

113 ms

jquery.fancybox.js

jquery.fancybox.js

112 ms

frontend.min.js

frontend.min.js

112 ms

modernizr.min.js

modernizr.min.js

180 ms

slick.min.js

slick.min.js

176 ms

site-js.js

site-js.js

111 ms

map.js

map.js

139 ms

lazyload.min.js

lazyload.min.js

117 ms

p.css

p.css

25 ms

hotjar-1778224.js

hotjar-1778224.js

293 ms

gtm.js

gtm.js

315 ms

logo-hires.png

logo-hires.png

369 ms

MTES-audience-guide-300x200.jpg

MTES-audience-guide-300x200.jpg

357 ms

Nelson-Mouellic-Photo-7397-300x200.jpg

Nelson-Mouellic-Photo-7397-300x200.jpg

376 ms

151021_day_rendering-768x1280.jpg

151021_day_rendering-768x1280.jpg

359 ms

Cropped-768x296.png

Cropped-768x296.png

375 ms

18_08_30_Facilities_Update-3-2-768x512.jpg

18_08_30_Facilities_Update-3-2-768x512.jpg

360 ms

footer-logo.png

footer-logo.png

404 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQUwaEQXjM.woff

162 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQUwaEQXjM.woff

285 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQUwaEQXjM.woff

340 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQUwaEQXjM.woff

337 ms

fa-solid-900.woff

fa-solid-900.woff

281 ms

fa-regular-400.woff

fa-regular-400.woff

291 ms

fa-brands-400.woff

fa-brands-400.woff

431 ms

CO_200415_RDH_Vancouver_Field_N74.jpg

CO_200415_RDH_Vancouver_Field_N74.jpg

129 ms

14A7580.jpg

14A7580.jpg

111 ms

careers-headline-new-1800x765.jpg

careers-headline-new-1800x765.jpg

161 ms

modules.cbd9768ba80ba0be5b17.js

modules.cbd9768ba80ba0be5b17.js

279 ms

analytics.js

analytics.js

205 ms

js

js

85 ms

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

217 ms

collect

collect

77 ms

collect

collect

38 ms

Accessibility Review

buildingsciencelabs.com accessibility score

77

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

buildingsciencelabs.com best practices score

75

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

SEO Factors

buildingsciencelabs.com 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 Buildingsciencelabs.com 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 Buildingsciencelabs.com 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

buildingsciencelabs.com

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