Tools & Wizards About Us
rdhvac.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

rdhvac.com

Home | Kennett Square, PA - R&D Heating and Cooling

Page Load Speed

1.6 sec in total

First Response

59 ms

Resources Loaded

839 ms

Page Rendered

748 ms

rdhvac.com screenshot

About Website

Welcome to rdhvac.com homepage info - get ready to check Rdhvac best content for United States right away, or after learning these important things about rdhvac.com

R&D Heating and Cooling is Chester County, Delaware County, and Montgomery County Pennsylvania’s most trusted HVAC service company.

Visit rdhvac.com

Key Findings

We analyzed Rdhvac.com page load time and found that the first response time was 59 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

rdhvac.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

rdhvac.com

59 ms

rdhvac.com

64 ms

app.css

59 ms

style.css

97 ms

font-awesome.min.css

108 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 65% of them (32 requests) were addressed to the original Rdhvac.com, 10% (5 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (423 ms) relates to the external source Homeadvisor.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.0 kB (1%)

Content Size

3.0 MB

After Optimization

3.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rdhvac.com main page is 3.0 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. 70% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 44.5 kB

  • Original 60.2 kB
  • After minification 54.7 kB
  • After compression 15.7 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 44.5 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.9 MB
  • After minification 2.9 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. Rdhvac images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 562 B

  • Original 81.9 kB
  • After minification 81.9 kB
  • After compression 81.3 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.

Requests Breakdown

Number of requests can be reduced by 11 (26%)

Requests Now

42

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rdhvac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rdhvac.com

rdhvac.com

59 ms

rdhvac.com

rdhvac.com

64 ms

app.css

app.css

59 ms

style.css

style.css

97 ms

font-awesome.min.css

font-awesome.min.css

108 ms

css

css

144 ms

css

css

155 ms

jquery-1.12.4.js

jquery-1.12.4.js

126 ms

jquery.min.js

jquery.min.js

109 ms

8fe44a30-77e1-013a-52ed-06abc14c0bc6

8fe44a30-77e1-013a-52ed-06abc14c0bc6

126 ms

t.js

t.js

143 ms

jquery.min.js

jquery.min.js

141 ms

gtm.js

gtm.js

267 ms

fbevents.js

fbevents.js

222 ms

40_years_celebrate.png

40_years_celebrate.png

186 ms

elite-solid-border.png

elite-solid-border.png

423 ms

image-3_sm.png

image-3_sm.png

192 ms

a-standard.png

a-standard.png

259 ms

huge.png

huge.png

407 ms

icon--NATE-certified.svg

icon--NATE-certified.svg

210 ms

icon--easy-consultation.svg

icon--easy-consultation.svg

214 ms

icon--financing-options.svg

icon--financing-options.svg

253 ms

icon--customer-guarantee.svg

icon--customer-guarantee.svg

257 ms

icon--cooling.svg

icon--cooling.svg

262 ms

icon--heating.svg

icon--heating.svg

264 ms

icon--generators.svg

icon--generators.svg

260 ms

icon--air-quality.svg

icon--air-quality.svg

264 ms

icon--duct-work.svg

icon--duct-work.svg

334 ms

icon--water-treatment.svg

icon--water-treatment.svg

262 ms

icon--preventative-maintenance.svg

icon--preventative-maintenance.svg

330 ms

icon--commercial-services.svg

icon--commercial-services.svg

331 ms

icon--emergency-services.svg

icon--emergency-services.svg

332 ms

icon--five-stars.svg

icon--five-stars.svg

327 ms

logo--BBB.svg

logo--BBB.svg

365 ms

logo--angies-list.svg

logo--angies-list.svg

362 ms

logo--thumbtack.svg

logo--thumbtack.svg

368 ms

logo--NATE.png

logo--NATE.png

409 ms

generac_logo.jpg

generac_logo.jpg

366 ms

logo--bryant.svg

logo--bryant.svg

401 ms

2024_hero_desktop_background.jpg

2024_hero_desktop_background.jpg

358 ms

chevron--down.svg

chevron--down.svg

359 ms

image-4_sm.png

image-4_sm.png

373 ms

billboard-2.png

billboard-2.png

362 ms

HI_EiYEYI6BIoHjGQ5I.woff

HI_EiYEYI6BIoHjGQ5I.woff

211 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

213 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aXw.woff

278 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aXw.woff

311 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

312 ms

recorder.js

recorder.js

96 ms

Accessibility Review

rdhvac.com accessibility score

78

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

rdhvac.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

SEO Factors

rdhvac.com SEO score

86

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rdhvac.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rdhvac.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

rdhvac.com

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