Tools & Wizards About Us
hvacserviceworcester.com screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

hvacserviceworcester.com

HVAC Company Millbury, MA | D & D Heating & Air Conditioning

Page Load Speed

414 ms in total

First Response

17 ms

Resources Loaded

397 ms

Page Rendered

0 ms

hvacserviceworcester.com screenshot

About Website

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

D & D Heating & Air Conditioning is the HVAC company Millbury, MA and the surrounding areas have trusted for over 25 years. Call today for a free estimate!

Visit hvacserviceworcester.com

Key Findings

We analyzed Hvacserviceworcester.com page load time and found that the first response time was 17 ms and then it took 397 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

hvacserviceworcester.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value17.6 s

4/100

10%

Network Requests Diagram

hvacserviceworcester.com

17 ms

ddheatingandcooling.com

40 ms

www.ddheatingandcooling.com

41 ms

www.ddheatingandcooling.com

127 ms

hic.js

42 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Hvacserviceworcester.com, 27% (6 requests) were made to Ddheatingandcooling.com and 23% (5 requests) were made to Le-cdn.hibuwebsites.com. The less responsive or slowest element that took the longest time to load (187 ms) relates to the external source Le-cdn.hibuwebsites.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 319.1 kB (49%)

Content Size

655.6 kB

After Optimization

336.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hvacserviceworcester.com main page is 655.6 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. 40% of websites need less resources to load. HTML takes 334.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 251.6 kB

  • Original 334.3 kB
  • After minification 328.9 kB
  • After compression 82.7 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 251.6 kB or 75% of the original size.

Image Optimization

-11%

Potential reduce by 11.8 kB

  • Original 105.7 kB
  • After minification 93.9 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. Obviously, HVAC Serviceworcester needs image optimization as it can save up to 11.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-26%

Potential reduce by 55.7 kB

  • Original 215.4 kB
  • After minification 207.8 kB
  • After compression 159.7 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 55.7 kB or 26% of the original size.

CSS Optimization

-19%

Potential reduce by 60 B

  • Original 311 B
  • After minification 311 B
  • After compression 251 B

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. Hvacserviceworcester.com needs all CSS files to be minified and compressed as it can save up to 60 B or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HVAC Serviceworcester. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

hvacserviceworcester.com

hvacserviceworcester.com

17 ms

ddheatingandcooling.com

ddheatingandcooling.com

40 ms

www.ddheatingandcooling.com

www.ddheatingandcooling.com

41 ms

www.ddheatingandcooling.com

www.ddheatingandcooling.com

127 ms

hic.js

hic.js

42 ms

d-and-d-heating-and-air-conditioning-inc-logo-1920w.png

d-and-d-heating-and-air-conditioning-inc-logo-1920w.png

187 ms

blue-seal-200-42-bbb-285437.png

blue-seal-200-42-bbb-285437.png

109 ms

d-and-d-heating-and-air-conditioning-hero-home1-2bdafe7a-f7410640-1920w.jpg

d-and-d-heating-and-air-conditioning-hero-home1-2bdafe7a-f7410640-1920w.jpg

174 ms

d-and-d-heating-and-air-conditioning-inc-logo-271w.png

d-and-d-heating-and-air-conditioning-inc-logo-271w.png

178 ms

hibu-runtime.css

hibu-runtime.css

61 ms

jquery-3.7.0.min.js

jquery-3.7.0.min.js

82 ms

d-js-one-runtime-unified-desktop.min.js

d-js-one-runtime-unified-desktop.min.js

95 ms

d-js-jquery-migrate.min.js

d-js-jquery-migrate.min.js

97 ms

js

js

132 ms

AppMeasurement.js

AppMeasurement.js

101 ms

hibu-analytics.min.js

hibu-analytics.min.js

111 ms

omn_setting.js

omn_setting.js

113 ms

f.js

f.js

77 ms

d-and-d-heating-and-air-conditioning-inc-video-1920w.jpg

d-and-d-heating-and-air-conditioning-inc-video-1920w.jpg

149 ms

Video-play-icon-1920w.png

Video-play-icon-1920w.png

148 ms

sdk.js

sdk.js

34 ms

sdk.js

sdk.js

6 ms

Accessibility Review

hvacserviceworcester.com accessibility score

93

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

hvacserviceworcester.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

High

Page has valid source maps

SEO Factors

hvacserviceworcester.com SEO score

84

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

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 Hvacserviceworcester.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 Hvacserviceworcester.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

hvacserviceworcester.com

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