Tools & Wizards About Us
zachvac.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

zachvac.com

Air Duct Cleaning, Air Duct Mold Remediation, Elizabethtown, & York PA

Page Load Speed

2.9 sec in total

First Response

173 ms

Resources Loaded

1.6 sec

Page Rendered

1.1 sec

zachvac.com screenshot

About Website

Click here to check amazing Zachvac content. Otherwise, check out these important facts you probably never knew about zachvac.com

We provide Air Duct Cleaning, Air Duct Mold Remediation, Dryer Vent Cleaning, and HVAC Vent Cleaning in Elizabethtown, Lancaster, Harrisburg, York, Reading, and Mechanicsburg, PA.

Visit zachvac.com

Key Findings

We analyzed Zachvac.com page load time and found that the first response time was 173 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zachvac.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value2,230 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.374

28/100

15%

TTI (Time to Interactive)

Value28.5 s

0/100

10%

Network Requests Diagram

zachvac.com

173 ms

www.zachvac.com

208 ms

css2

32 ms

css2

42 ms

style.min.css

48 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 77% of them (86 requests) were addressed to the original Zachvac.com, 7% (8 requests) were made to Fonts.gstatic.com and 4% (5 requests) were made to Cdn.yoshki.com. The less responsive or slowest element that took the longest time to load (689 ms) relates to the external source Cdn.yoshki.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 389.7 kB (6%)

Content Size

6.9 MB

After Optimization

6.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zachvac.com main page is 6.9 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 6.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 97.1 kB

  • Original 118.6 kB
  • After minification 117.3 kB
  • After compression 21.5 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 97.1 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 150.2 kB

  • Original 6.4 MB
  • After minification 6.2 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. Zachvac images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 142.4 kB

  • Original 390.6 kB
  • After minification 339.9 kB
  • After compression 248.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 142.4 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (44%)

Requests Now

96

After Optimization

54

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zachvac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zachvac.com

zachvac.com

173 ms

www.zachvac.com

www.zachvac.com

208 ms

css2

css2

32 ms

css2

css2

42 ms

style.min.css

style.min.css

48 ms

styles.css

styles.css

235 ms

wpcf7-redirect-frontend.min.css

wpcf7-redirect-frontend.min.css

193 ms

font-awesome.min.css

font-awesome.min.css

237 ms

all.min.css

all.min.css

199 ms

all.min.css

all.min.css

194 ms

remixicon.css

remixicon.css

101 ms

modern-comparison-slider-public.css

modern-comparison-slider-public.css

151 ms

page-list.css

page-list.css

183 ms

style.css

style.css

210 ms

fa.css

fa.css

218 ms

others.css

others.css

217 ms

twentytwenty.css

twentytwenty.css

220 ms

bafg-style.css

bafg-style.css

233 ms

jquery.min.js

jquery.min.js

244 ms

jquery-migrate.min.js

jquery-migrate.min.js

242 ms

image-compare-viewer.min.js

image-compare-viewer.min.js

255 ms

modern-comparison-slider-public.js

modern-comparison-slider-public.js

264 ms

core.jquery.ui.js

core.jquery.ui.js

265 ms

core.plugins.js

core.plugins.js

316 ms

jquery.plugin.js

jquery.plugin.js

287 ms

jquery.init.js

jquery.init.js

285 ms

jquery.event.move.js

jquery.event.move.js

287 ms

jquery.twentytwenty.js

jquery.twentytwenty.js

288 ms

js

js

78 ms

index.js

index.js

285 ms

index.js

index.js

287 ms

wpcf7r-fe.js

wpcf7r-fe.js

286 ms

api.js

api.js

38 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

294 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

310 ms

wp-polyfill.min.js

wp-polyfill.min.js

301 ms

index.js

index.js

305 ms

bafg-custom-js.js

bafg-custom-js.js

309 ms

comment-reply.min.js

comment-reply.min.js

396 ms

logo.png

logo.png

71 ms

zachvac-newborn-bnr-3.jpg

zachvac-newborn-bnr-3.jpg

67 ms

zachvac-homeowner-bnr-4.jpg

zachvac-homeowner-bnr-4.jpg

68 ms

super-kid.jpg

super-kid.jpg

65 ms

banner-commercial-duct-cleaning2.jpg

banner-commercial-duct-cleaning2.jpg

69 ms

truck-banner.jpg

truck-banner.jpg

71 ms

banner-dryer-vent-cleaning2.jpg

banner-dryer-vent-cleaning2.jpg

72 ms

feature-bg1.png

feature-bg1.png

74 ms

feature-bg2-1.jpg

feature-bg2-1.jpg

73 ms

feature-bg3.jpg

feature-bg3.jpg

73 ms

feature-bg4-1.jpg

feature-bg4-1.jpg

74 ms

feature-bg6.jpg

feature-bg6.jpg

128 ms

air-duct-cleaning.jpg

air-duct-cleaning.jpg

129 ms

hadca-logo.png

hadca-logo.png

130 ms

NADCA-Standards-343x450.png

NADCA-Standards-343x450.png

130 ms

process_icon_01.png

process_icon_01.png

131 ms

process_icon_02.png

process_icon_02.png

134 ms

process_icon_03.png

process_icon_03.png

133 ms

process_icon_04.png

process_icon_04.png

130 ms

parts-bg_02.jpg

parts-bg_02.jpg

131 ms

image__01.jpg

image__01.jpg

133 ms

zachvac-business.jpg

zachvac-business.jpg

276 ms

parts-bg_03.jpg

parts-bg_03.jpg

133 ms

image_02.png

image_02.png

212 ms

faq-icon.png

faq-icon.png

211 ms

image_03.jpg

image_03.jpg

477 ms

PAC-cert.png

PAC-cert.png

211 ms

PAC-company-logo.png

PAC-company-logo.png

210 ms

logo_01.jpg

logo_01.jpg

345 ms

logo_02.jpg

logo_02.jpg

276 ms

logo_03.jpg

logo_03.jpg

275 ms

logo_04.jpg

logo_04.jpg

346 ms

logo_05.jpg

logo_05.jpg

345 ms

logo_06.jpg

logo_06.jpg

344 ms

logo_07.jpg

logo_07.jpg

287 ms

icon-social_01.png

icon-social_01.png

502 ms

icon-social_02.png

icon-social_02.png

500 ms

icon-social_03.png

icon-social_03.png

412 ms

footer-logo_01.png

footer-logo_01.png

411 ms

js

js

108 ms

js

js

223 ms

KFOmCnqEu92Fr1Me5WZNCzc.ttf

KFOmCnqEu92Fr1Me5WZNCzc.ttf

307 ms

KFOlCnqEu92Fr1MmEU9vAx0_IsE.ttf

KFOlCnqEu92Fr1MmEU9vAx0_IsE.ttf

331 ms

KFOlCnqEu92Fr1MmWUlvAx0_IsE.ttf

KFOlCnqEu92Fr1MmWUlvAx0_IsE.ttf

342 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

343 ms

fa-v4compatibility.ttf

fa-v4compatibility.ttf

428 ms

fa-regular-400.ttf

fa-regular-400.ttf

453 ms

fa-brands-400.ttf

fa-brands-400.ttf

454 ms

fa-solid-900.ttf

fa-solid-900.ttf

454 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

457 ms

badge-nadca.html

badge-nadca.html

689 ms

business-pros-bg.jpg

business-pros-bg.jpg

429 ms

cta-bg.jpg

cta-bg.jpg

487 ms

air-duct-vent-cleaning-background.jpg

air-duct-vent-cleaning-background.jpg

428 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4nY1M2xYkS.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4nY1M2xYkS.ttf

310 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1y4nY1M2xYkS.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1y4nY1M2xYkS.ttf

398 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4nY1M2xYkS.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4nY1M2xYkS.ttf

397 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4nY1M2xYkS.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4nY1M2xYkS.ttf

311 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K0nXNigDp6_dAyM.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K0nXNigDp6_dAyM.ttf

397 ms

service_bg.jpg

service_bg.jpg

484 ms

quote_bg.jpg

quote_bg.jpg

472 ms

select-arrow.png

select-arrow.png

473 ms

recaptcha__en.js

recaptcha__en.js

284 ms

analytics.js

analytics.js

248 ms

154 ms

collect

collect

19 ms

17 ms

collect

collect

11 ms

ga-audiences

ga-audiences

17 ms

jquery-1.3.2.js

jquery-1.3.2.js

19 ms

yoshki-library.js

yoshki-library.js

7 ms

logo.png

logo.png

94 ms

1px.gif

1px.gif

13 ms

Accessibility Review

zachvac.com accessibility score

77

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zachvac.com best practices score

83

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

Page has valid source maps

SEO Factors

zachvac.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

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

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 Zachvac.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 Zachvac.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

zachvac.com

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