Tools & Wizards About Us

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

nationalheatingandac.com

Heating & AC Service in Cincinnati, OH | Schedule Today

Page Load Speed

1.9 sec in total

First Response

189 ms

Resources Loaded

713 ms

Page Rendered

981 ms

About Website

Visit nationalheatingandac.com now to see the best up-to-date National Heating And AC content for United States and also check out these interesting facts you probably never knew about nationalheatingandac.com

Looking for Heating & AC service? A top HVAC provider in the Cincinnati, OH. Call to schedule repairs, installations, or maintenance!

Visit nationalheatingandac.com

Key Findings

We analyzed Nationalheatingandac.com page load time and found that the first response time was 189 ms and then it took 1.7 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

nationalheatingandac.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value5.3 s

57/100

10%

TBT (Total Blocking Time)

Value1,890 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.101

89/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

www.nationalheatingandac.com

189 ms

bundle.min.js

18 ms

jquery.min.js

46 ms

jquery-migrate.min.js

28 ms

js

101 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 88% of them (43 requests) were addressed to the original Nationalheatingandac.com, 4% (2 requests) were made to Collector-30886.us.tvsquared.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (234 ms) relates to the external source Collector-30886.us.tvsquared.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 320.0 kB (57%)

Content Size

558.8 kB

After Optimization

238.8 kB

  • HTML
  • JavaScript

In fact, the total size of Nationalheatingandac.com main page is 558.8 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. 50% of websites need less resources to load. HTML takes 380.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 319.7 kB

  • Original 380.5 kB
  • After minification 380.0 kB
  • After compression 60.8 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 319.7 kB or 84% of the original size.

JavaScript Optimization

-0%

Potential reduce by 258 B

  • Original 178.3 kB
  • After minification 178.3 kB
  • After compression 178.1 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 26 (57%)

Requests Now

46

After Optimization

20

  • Images
  • JavaScript

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National Heating And AC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nationalheatingandac.com accessibility score

67

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-*] attributes do not match their roles

High

[aria-*] attributes do not have valid values

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

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

nationalheatingandac.com best practices score

92

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

Page has valid source maps

SEO Factors

nationalheatingandac.com SEO score

74

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 Nationalheatingandac.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 Nationalheatingandac.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

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