Tools & Wizards About Us
donnellymech.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

donnellymech.com

Commercial HVAC Mechanical Contractors NYC | Donnelly Mechanical

Page Load Speed

1.5 sec in total

First Response

27 ms

Resources Loaded

1.1 sec

Page Rendered

455 ms

donnellymech.com screenshot

About Website

Click here to check amazing Donnelly Mech content. Otherwise, check out these important facts you probably never knew about donnellymech.com

For over 30 years in New York City, Donnelly Mechanical is the leading commercial HVAC service, maintenance and construction company.

Visit donnellymech.com

Key Findings

We analyzed Donnellymech.com page load time and found that the first response time was 27 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

donnellymech.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value30.6 s

0/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,320 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value29.4 s

0/100

10%

Network Requests Diagram

donnellymech.com

27 ms

donnellymech.com

79 ms

css2

69 ms

usquare_style.css

29 ms

stylesheet.css

39 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 82% of them (92 requests) were addressed to the original Donnellymech.com, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (329 ms) belongs to the original domain Donnellymech.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 365.1 kB (13%)

Content Size

2.8 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Donnellymech.com main page is 2.8 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 110.4 kB

  • Original 137.0 kB
  • After minification 132.6 kB
  • After compression 26.6 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 110.4 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 271 B

  • Original 1.4 MB
  • After minification 1.4 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. Donnelly Mech images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 189.5 kB

  • Original 863.9 kB
  • After minification 861.9 kB
  • After compression 674.4 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 189.5 kB or 22% of the original size.

CSS Optimization

-21%

Potential reduce by 64.9 kB

  • Original 302.4 kB
  • After minification 301.8 kB
  • After compression 237.5 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. Donnellymech.com needs all CSS files to be minified and compressed as it can save up to 64.9 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 79 (74%)

Requests Now

107

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Donnelly Mech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

donnellymech.com

donnellymech.com

27 ms

donnellymech.com

donnellymech.com

79 ms

css2

css2

69 ms

usquare_style.css

usquare_style.css

29 ms

stylesheet.css

stylesheet.css

39 ms

stylesheet.css

stylesheet.css

40 ms

style.min.css

style.min.css

61 ms

team.min.css

team.min.css

53 ms

swipebox.min.css

swipebox.min.css

67 ms

slick.css

slick.css

69 ms

slick-slider-style.css

slick-slider-style.css

66 ms

ladda.min.css

ladda.min.css

73 ms

tailwindreset.css

tailwindreset.css

71 ms

tailwind.css

tailwind.css

86 ms

bootstrap-icons.min.css

bootstrap-icons.min.css

86 ms

intlTelInput.css

intlTelInput.css

84 ms

bookly-main.css

bookly-main.css

90 ms

style.css

style.css

92 ms

dashicons.min.css

dashicons.min.css

81 ms

font-awesome.min.css

font-awesome.min.css

98 ms

genericons.css

genericons.css

100 ms

cookie-notice.css

cookie-notice.css

99 ms

visual-composer-starter-font.min.css

visual-composer-starter-font.min.css

101 ms

style.min.css

style.min.css

125 ms

responsive.min.css

responsive.min.css

106 ms

style.css

style.css

101 ms

js_composer_front_custom.css

js_composer_front_custom.css

106 ms

jquery.min.js

jquery.min.js

140 ms

jquery-migrate.min.js

jquery-migrate.min.js

138 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

138 ms

jquery.usquare.js

jquery.usquare.js

152 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

151 ms

jquery.tinyscrollbar.min.js

jquery.tinyscrollbar.min.js

153 ms

infinite-scroll.pkgd.min.js

infinite-scroll.pkgd.min.js

153 ms

rbtools.min.js

rbtools.min.js

154 ms

rs6.min.js

rs6.min.js

189 ms

jq-sticky-anything.min.js

jq-sticky-anything.min.js

154 ms

spin.min.js

spin.min.js

155 ms

6157d9d47a.js

6157d9d47a.js

136 ms

js

js

136 ms

all.css

all.css

59 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

63 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

84 ms

iframe_api

iframe_api

75 ms

css

css

63 ms

widget.js

widget.js

62 ms

swap.js

swap.js

66 ms

conversion.js

conversion.js

173 ms

font-awesome.css

font-awesome.css

156 ms

animate.min.css

animate.min.css

154 ms

rs6.css

rs6.css

125 ms

ladda.min.js

ladda.min.js

125 ms

moment.min.js

moment.min.js

126 ms

hammer.min.js

hammer.min.js

128 ms

jquery.hammer.min.js

jquery.hammer.min.js

117 ms

qrcode.js

qrcode.js

128 ms

bookly.min.js

bookly.min.js

133 ms

intlTelInput.min.js

intlTelInput.min.js

126 ms

jquery.inview.js

jquery.inview.js

126 ms

team.min.js

team.min.js

116 ms

jquery.swipebox.min.js

jquery.swipebox.min.js

114 ms

underscore.min.js

underscore.min.js

110 ms

front.js

front.js

110 ms

stickThis.js

stickThis.js

197 ms

cookie-notice-front.js

cookie-notice-front.js

103 ms

functions.min.js

functions.min.js

187 ms

new-tab.js

new-tab.js

221 ms

hoverIntent.min.js

hoverIntent.min.js

185 ms

maxmegamenu.js

maxmegamenu.js

186 ms

public.js

public.js

217 ms

js_composer_front.min.js

js_composer_front.min.js

198 ms

revolution.addon.whiteboard.min.js

revolution.addon.whiteboard.min.js

185 ms

imagesloaded.pkgd.min.js

imagesloaded.pkgd.min.js

184 ms

vc-waypoints.min.js

vc-waypoints.min.js

180 ms

vc_grid.min.js

vc_grid.min.js

172 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

172 ms

jquery.cycle2.carousel.min.js

jquery.cycle2.carousel.min.js

170 ms

hotjar-1339848.js

hotjar-1339848.js

290 ms

gtm.js

gtm.js

178 ms

DonnellyCaps-white.png

DonnellyCaps-white.png

115 ms

dummy.png

dummy.png

115 ms

Website-Solutions-scaled-copy-800x500.jpg

Website-Solutions-scaled-copy-800x500.jpg

117 ms

247-Emergency-HVAC-Repair.png

247-Emergency-HVAC-Repair.png

114 ms

100-Vehicles.png

100-Vehicles.png

115 ms

Piping-Ductwork-Control-Enhancements.png

Piping-Ductwork-Control-Enhancements.png

115 ms

Hands-On-Safety-Team.png

Hands-On-Safety-Team.png

211 ms

IAQ-Solutions.png

IAQ-Solutions.png

211 ms

Executive-Involvement.png

Executive-Involvement.png

212 ms

EMR.png

EMR.png

211 ms

Vehicle-Safety-Program.png

Vehicle-Safety-Program.png

213 ms

Manufacturer-Certified-Technicians.png

Manufacturer-Certified-Technicians.png

211 ms

Screenshot-2023-06-26-at-4.40.50-PM-min-1-e1687812193754.png

Screenshot-2023-06-26-at-4.40.50-PM-min-1-e1687812193754.png

284 ms

uvgi-Capture.jpg

uvgi-Capture.jpg

280 ms

Loro-Piana2-scaled.jpg

Loro-Piana2-scaled.jpg

213 ms

Long-Island-Healthcare-scaled.jpg

Long-Island-Healthcare-scaled.jpg

212 ms

Boston-Prop.jpeg

Boston-Prop.jpeg

283 ms

Baskbetball-City.jpg

Baskbetball-City.jpg

282 ms

header-crac-800x683.jpg

header-crac-800x683.jpg

280 ms

header-hvac-regulations-800x534.jpg

header-hvac-regulations-800x534.jpg

281 ms

header-gwp-800x465.jpg

header-gwp-800x465.jpg

284 ms

icon-contact.png

icon-contact.png

281 ms

font

font

187 ms

wARDj0u

wARDj0u

16 ms

www-widgetapi.js

www-widgetapi.js

86 ms

casestudy_gr_bg.jpg

casestudy_gr_bg.jpg

247 ms

make_switch_bg.png

make_switch_bg.png

256 ms

insight.min.js

insight.min.js

149 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

329 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

20 ms

insight_tag_errors.gif

insight_tag_errors.gif

266 ms

262 ms

1762269.js

1762269.js

262 ms

Accessibility Review

donnellymech.com accessibility score

87

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

Links do not have a discernible name

Best Practices

donnellymech.com 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

High

Missing source maps for large first-party JavaScript

SEO Factors

donnellymech.com SEO score

77

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Donnellymech.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 Donnellymech.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

donnellymech.com

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