Tools & Wizards About Us
shaferhvac.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

shaferhvac.com

Heating & Air Conditioning | Shafer's HVAC from Armstong County

Page Load Speed

4.5 sec in total

First Response

1.2 sec

Resources Loaded

3 sec

Page Rendered

337 ms

shaferhvac.com screenshot

About Website

Click here to check amazing Shafer HVAC content. Otherwise, check out these important facts you probably never knew about shaferhvac.com

Safer's Heating & Air Conditioning services furnaces, air conditioners and hot water tanks in Allegheny, Armstrong, Butler, Indiana, and more.

Visit shaferhvac.com

Key Findings

We analyzed Shaferhvac.com page load time and found that the first response time was 1.2 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

shaferhvac.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value18.1 s

0/100

10%

TBT (Total Blocking Time)

Value4,190 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value30.3 s

0/100

10%

Network Requests Diagram

shaferhvac.com

1200 ms

style.min.css

156 ms

jquery.bxslider.css

83 ms

all.min.css

126 ms

v4-shims.min.css

158 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 72% of them (43 requests) were addressed to the original Shaferhvac.com, 8% (5 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Shaferhvac.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (47%)

Content Size

2.1 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shaferhvac.com main page is 2.1 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. 65% of websites need less resources to load. Javascripts take 914.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 87.2 kB

  • Original 105.9 kB
  • After minification 101.4 kB
  • After compression 18.7 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 87.2 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 388.3 kB
  • After minification 388.3 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. Shafer HVAC images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 336.3 kB

  • Original 914.5 kB
  • After minification 879.2 kB
  • After compression 578.2 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 336.3 kB or 37% of the original size.

CSS Optimization

-81%

Potential reduce by 584.8 kB

  • Original 722.4 kB
  • After minification 706.9 kB
  • After compression 137.6 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. Shaferhvac.com needs all CSS files to be minified and compressed as it can save up to 584.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (65%)

Requests Now

51

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shafer HVAC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

shaferhvac.com

shaferhvac.com

1200 ms

style.min.css

style.min.css

156 ms

jquery.bxslider.css

jquery.bxslider.css

83 ms

all.min.css

all.min.css

126 ms

v4-shims.min.css

v4-shims.min.css

158 ms

3470-layout.css

3470-layout.css

200 ms

e7d6a2bde90a9a7f2667b0186be440c6-layout-bundle.css

e7d6a2bde90a9a7f2667b0186be440c6-layout-bundle.css

234 ms

bootstrap-4.min.css

bootstrap-4.min.css

192 ms

skin-669e48dd5cd6e.css

skin-669e48dd5cd6e.css

170 ms

style.css

style.css

198 ms

css

css

48 ms

jquery.min.js

jquery.min.js

270 ms

jquery-migrate.min.js

jquery-migrate.min.js

198 ms

js

js

88 ms

js

js

130 ms

123044.js

123044.js

39 ms

ff-plugin.umd.min.js

ff-plugin.umd.min.js

143 ms

widget.js

widget.js

30 ms

jquery.easing.min.js

jquery.easing.min.js

175 ms

jquery.fitvids.min.js

jquery.fitvids.min.js

176 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

193 ms

jquery-carousel.js

jquery-carousel.js

293 ms

imagesloaded.min.js

imagesloaded.min.js

206 ms

3470-layout.js

3470-layout.js

207 ms

jquery.imagesloaded.min.js

jquery.imagesloaded.min.js

231 ms

jquery.ba-throttle-debounce.min.js

jquery.ba-throttle-debounce.min.js

292 ms

js_cookie.js

js_cookie.js

219 ms

b3dc7dc3de764f09b4a2d93f5583268e-layout-bundle.js

b3dc7dc3de764f09b4a2d93f5583268e-layout-bundle.js

220 ms

api.js

api.js

43 ms

smush-lazy-load.min.js

smush-lazy-load.min.js

292 ms

bootstrap-4.min.js

bootstrap-4.min.js

292 ms

theme.min.js

theme.min.js

295 ms

Layer_1-6.svg

Layer_1-6.svg

48 ms

stat.js

stat.js

106 ms

air-icon.svg

air-icon.svg

91 ms

AdobeStock_317774641_Preview-2-1.jpg

AdobeStock_317774641_Preview-2-1.jpg

93 ms

checkmark-1.svg

checkmark-1.svg

91 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

219 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

219 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

305 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

349 ms

fa-brands-400.woff

fa-brands-400.woff

305 ms

fa-solid-900.woff

fa-solid-900.woff

216 ms

fa-regular-400.woff

fa-regular-400.woff

215 ms

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjojISmb2Rm.ttf

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjojISmb2Rm.ttf

348 ms

recaptcha__en.js

recaptcha__en.js

278 ms

bx_loader.gif

bx_loader.gif

161 ms

Air-conditioning-cooling-services.png

Air-conditioning-cooling-services.png

161 ms

Furnace-heating-boilers.png

Furnace-heating-boilers.png

161 ms

Air-quality-hvac-systems.png

Air-quality-hvac-systems.png

162 ms

Plumbing-and-water-heating.png

Plumbing-and-water-heating.png

161 ms

commercial-hvac-services.png

commercial-hvac-services.png

293 ms

Shafer-HVAC-Carrier.jpg

Shafer-HVAC-Carrier.jpg

293 ms

Carrier.jpg

Carrier.jpg

138 ms

Mitsubishi-Electric-Logo.jpg

Mitsubishi-Electric-Logo.jpg

50 ms

SpacePak-Central-Air.jpg

SpacePak-Central-Air.jpg

139 ms

Buderus.jpg

Buderus.jpg

136 ms

anchor

anchor

43 ms

styles__ltr.css

styles__ltr.css

4 ms

recaptcha__en.js

recaptcha__en.js

12 ms

Accessibility Review

shaferhvac.com accessibility score

92

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

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

shaferhvac.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

shaferhvac.com SEO score

91

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

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 Shaferhvac.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 Shaferhvac.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

shaferhvac.com

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