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ref-chem.com screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

ref-chem.com

Burns & McDonnell | Home

Page Load Speed

3.1 sec in total

First Response

145 ms

Resources Loaded

1.9 sec

Page Rendered

992 ms

ref-chem.com screenshot

About Website

Visit ref-chem.com now to see the best up-to-date Ref Chem content and also check out these interesting facts you probably never knew about ref-chem.com

Burns & McDonnell provides engineering, architecture, construction, environmental and consulting solutions. We plan, design, permit, construct and manage facilities with one mission in mind: Make our ...

Visit ref-chem.com

Key Findings

We analyzed Ref-chem.com page load time and found that the first response time was 145 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

ref-chem.com performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value3,510 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.192

64/100

15%

TTI (Time to Interactive)

Value23.4 s

1/100

10%

Network Requests Diagram

www.burnsmcd.com

145 ms

main.min.css

51 ms

theme-overrides.min.css

76 ms

jquery-1.11.2.js

83 ms

slick.min.css

79 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Ref-chem.com, 15% (17 requests) were made to 477837.fs1.hubspotusercontent-na1.net and 7% (8 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (797 ms) relates to the external source X.clearbitjs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 292.5 kB (6%)

Content Size

4.9 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ref-chem.com main page is 4.9 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 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 155.5 kB

  • Original 180.3 kB
  • After minification 136.5 kB
  • After compression 24.8 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 43.8 kB, which is 24% 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 155.5 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 500 B

  • Original 4.2 MB
  • After minification 4.2 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. Ref Chem images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 122.3 kB

  • Original 483.3 kB
  • After minification 483.3 kB
  • After compression 360.9 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 122.3 kB or 25% of the original size.

CSS Optimization

-22%

Potential reduce by 14.1 kB

  • Original 63.6 kB
  • After minification 63.6 kB
  • After compression 49.6 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. Ref-chem.com needs all CSS files to be minified and compressed as it can save up to 14.1 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 68 (75%)

Requests Now

91

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ref Chem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.burnsmcd.com

www.burnsmcd.com

145 ms

main.min.css

main.min.css

51 ms

theme-overrides.min.css

theme-overrides.min.css

76 ms

jquery-1.11.2.js

jquery-1.11.2.js

83 ms

slick.min.css

slick.min.css

79 ms

slick-theme.min.css

slick-theme.min.css

79 ms

aos.min.css

aos.min.css

532 ms

main_stylesheet.css

main_stylesheet.css

103 ms

module_156517075818_BMCD_Homepage_Hero_Carousel.min.css

module_156517075818_BMCD_Homepage_Hero_Carousel.min.css

108 ms

module_162803601729_BMCD_Text_Spotlight.min.css

module_162803601729_BMCD_Text_Spotlight.min.css

115 ms

module_162941402399_BMCD_Stats_Website.min.css

module_162941402399_BMCD_Stats_Website.min.css

132 ms

module_163148733248_BMCD_Feature_Block.min.css

module_163148733248_BMCD_Feature_Block.min.css

140 ms

theme-overrides.min.css

theme-overrides.min.css

145 ms

Modified-bootstrap-sagar.min.css

Modified-bootstrap-sagar.min.css

344 ms

slick.min.css

slick.min.css

157 ms

module_156527226372_BMCD_Projects_Accordion_Banner.min.css

module_156527226372_BMCD_Projects_Accordion_Banner.min.css

161 ms

module_163909217050_BMCD_Quote_Feature.min.css

module_163909217050_BMCD_Quote_Feature.min.css

168 ms

module_157709155137_BMCD_Insights_Module.min.css

module_157709155137_BMCD_Insights_Module.min.css

173 ms

module_164903273220_BMCD_NewsScroll_Splide.min.css

module_164903273220_BMCD_NewsScroll_Splide.min.css

192 ms

module_163733560837_BMCD_Connect_Banner.min.css

module_163733560837_BMCD_Connect_Banner.min.css

200 ms

aos.css

aos.css

93 ms

css2

css2

93 ms

aos.js

aos.js

131 ms

ellipsify.min.js

ellipsify.min.js

206 ms

stylesheet-family-support.css

stylesheet-family-support.css

203 ms

stylesheet-individual-weights.css

stylesheet-individual-weights.css

232 ms

js

js

109 ms

js

js

155 ms

launch-9efbd7c253c9.min.js

launch-9efbd7c253c9.min.js

80 ms

tags.js

tags.js

153 ms

lottie-interactivity.min.js

lottie-interactivity.min.js

152 ms

lottie-player.js

lottie-player.js

145 ms

dotlottie-player.mjs

dotlottie-player.mjs

132 ms

slick.min.js

slick.min.js

87 ms

54nd6jlwyk.jsonp

54nd6jlwyk.jsonp

76 ms

E-v1.js

E-v1.js

99 ms

font-awesome.min.css

font-awesome.min.css

90 ms

splide.min.js

splide.min.js

102 ms

splide.min.css

splide.min.css

115 ms

splide-extension-auto-scroll.min.js

splide-extension-auto-scroll.min.js

110 ms

embed.js

embed.js

98 ms

main.min.js

main.min.js

234 ms

project.js

project.js

219 ms

module_65178325400_Menu_Section.min.js

module_65178325400_Menu_Section.min.js

253 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

254 ms

slick.min.js

slick.min.js

589 ms

slick.min.js

slick.min.js

294 ms

aos.min.js

aos.min.js

286 ms

module_162803601729_BMCD_Text_Spotlight.min.js

module_162803601729_BMCD_Text_Spotlight.min.js

478 ms

module_163148733248_BMCD_Feature_Block.min.js

module_163148733248_BMCD_Feature_Block.min.js

336 ms

module_156527226372_BMCD_Projects_Accordion_Banner.min.js

module_156527226372_BMCD_Projects_Accordion_Banner.min.js

341 ms

module_164903273220_BMCD_NewsScroll_Splide.min.js

module_164903273220_BMCD_NewsScroll_Splide.min.js

403 ms

project.js

project.js

368 ms

integrations-hubspot-v1.js

integrations-hubspot-v1.js

86 ms

477837.js

477837.js

399 ms

index.js

index.js

364 ms

stylesheet-family-support.css

stylesheet-family-support.css

115 ms

stylesheet-individual-weights.css

stylesheet-individual-weights.css

169 ms

Burnsmcd_March2015-main.min.js

Burnsmcd_March2015-main.min.js

374 ms

dotlottie-player.mjs

dotlottie-player.mjs

22 ms

lottie-player.js

lottie-player.js

40 ms

lottie-interactivity.min.js

lottie-interactivity.min.js

19 ms

fontawesome.min.css

fontawesome.min.css

25 ms

tracking.min.js

tracking.min.js

797 ms

hotjar-2611682.js

hotjar-2611682.js

304 ms

swatch

swatch

55 ms

logo-BurnsMcDonnell-white.svg

logo-BurnsMcDonnell-white.svg

101 ms

iconQuote.png

iconQuote.png

100 ms

js

js

79 ms

Aeonik-Regular.woff

Aeonik-Regular.woff

492 ms

Aeonik-Medium.woff

Aeonik-Medium.woff

199 ms

Aeonik-Light.woff

Aeonik-Light.woff

561 ms

Aeonik-Thin.woff

Aeonik-Thin.woff

562 ms

Aeonik-Bold.woff

Aeonik-Bold.woff

562 ms

Aeonik-Black.woff

Aeonik-Black.woff

562 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

564 ms

ionicons.ttf

ionicons.ttf

633 ms

www.burnsmcd.com

www.burnsmcd.com

195 ms

BrandPattern-MultiSection-Top.svg

BrandPattern-MultiSection-Top.svg

312 ms

Homepage-Spotlight-Image.webp

Homepage-Spotlight-Image.webp

307 ms

BrandPattern-MultiSection-Middle.svg

BrandPattern-MultiSection-Middle.svg

285 ms

KFOmCnqEu92Fr1Me5Q.ttf

KFOmCnqEu92Fr1Me5Q.ttf

288 ms

KFOlCnqEu92Fr1MmEU9vAw.ttf

KFOlCnqEu92Fr1MmEU9vAw.ttf

495 ms

KFOlCnqEu92Fr1MmSU5vAw.ttf

KFOlCnqEu92Fr1MmSU5vAw.ttf

563 ms

KFOkCnqEu92Fr1MmgWxP.ttf

KFOkCnqEu92Fr1MmgWxP.ttf

562 ms

KFOlCnqEu92Fr1MmWUlvAw.ttf

KFOlCnqEu92Fr1MmWUlvAw.ttf

562 ms

KFOlCnqEu92Fr1MmYUtvAw.ttf

KFOlCnqEu92Fr1MmYUtvAw.ttf

561 ms

BrandPattern-MultiSection-Bottom.svg

BrandPattern-MultiSection-Bottom.svg

261 ms

LaGuardia-Project-Alternate-Hero4.webp

LaGuardia-Project-Alternate-Hero4.webp

202 ms

Interstate-45-Widening-964189-hero.webp

Interstate-45-Widening-964189-hero.webp

200 ms

Pioneer-Generation-Station-Phase-4-800299-hero.webp

Pioneer-Generation-Station-Phase-4-800299-hero.webp

479 ms

Lunar-Production-Operations-Center-Project-Alternate-Hero1.webp

Lunar-Production-Operations-Center-Project-Alternate-Hero1.webp

476 ms

Homepage-Quote-Image-LeslieDuke.webp

Homepage-Quote-Image-LeslieDuke.webp

408 ms

PFAS-Technology-Options-Provide-Water-Treatment-Solutions-758850-social.png

PFAS-Technology-Options-Provide-Water-Treatment-Solutions-758850-social.png

568 ms

AdobeStock_563641517-Hero.jpg

AdobeStock_563641517-Hero.jpg

476 ms

E98-CAL-BRE_BlogAdoptionofEVandTransactionAdvisoryServices-1120731-Social.png

E98-CAL-BRE_BlogAdoptionofEVandTransactionAdvisoryServices-1120731-Social.png

569 ms

footer-bg-image.svg

footer-bg-image.svg

342 ms

Homepage-Connect-BG.webp

Homepage-Connect-BG.webp

369 ms

BrandPattern-Footer.svg

BrandPattern-Footer.svg

342 ms

obtp.js

obtp.js

251 ms

ytc.js

ytc.js

242 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

146 ms

Aeonik-RegularItalic.woff

Aeonik-RegularItalic.woff

232 ms

Aeonik-MediumItalic.woff

Aeonik-MediumItalic.woff

143 ms

Aeonik-LightItalic.woff

Aeonik-LightItalic.woff

489 ms

Aeonik-ThinItalic.woff

Aeonik-ThinItalic.woff

340 ms

Aeonik-BoldItalic.woff

Aeonik-BoldItalic.woff

312 ms

Aeonik-BlackItalic.woff

Aeonik-BlackItalic.woff

384 ms

477837.js

477837.js

304 ms

477837.js

477837.js

308 ms

conversations-embed.js

conversations-embed.js

305 ms

web-interactives-embed.js

web-interactives-embed.js

306 ms

leadflows.js

leadflows.js

237 ms

fb.js

fb.js

307 ms

p

p

229 ms

10199769.json

10199769.json

69 ms

Accessibility Review

ref-chem.com accessibility score

89

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

ref-chem.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

ref-chem.com SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

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

ref-chem.com

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