Tools & Wizards About Us
nhvsinc.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

nhvsinc.com

National High Voltage Services, Inc. | Northern California Electrical Contractors

Page Load Speed

1.1 sec in total

First Response

66 ms

Resources Loaded

804 ms

Page Rendered

239 ms

nhvsinc.com screenshot

About Website

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

Northern California High Voltage Electrical Contractor with capabilities in general engineering and electrical contracting.

Visit nhvsinc.com

Key Findings

We analyzed Nhvsinc.com page load time and found that the first response time was 66 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

nhvsinc.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.275

44/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

nhvsinc.com

66 ms

www.nhvsinc.com

114 ms

css

24 ms

bootstrap.min.css

49 ms

font-awesome.min.css

67 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 87% of them (46 requests) were addressed to the original Nhvsinc.com, 11% (6 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (540 ms) belongs to the original domain Nhvsinc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.6 kB (7%)

Content Size

2.3 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nhvsinc.com main page is 2.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 22.3 kB

  • Original 28.0 kB
  • After minification 24.5 kB
  • After compression 5.7 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. This page needs HTML code to be minified as it can gain 3.6 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 22.3 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 164 B

  • Original 1.8 MB
  • After minification 1.8 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. Nhvs Inc images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 73.3 kB

  • Original 272.7 kB
  • After minification 271.2 kB
  • After compression 199.4 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 73.3 kB or 27% of the original size.

CSS Optimization

-39%

Potential reduce by 62.8 kB

  • Original 160.4 kB
  • After minification 160.3 kB
  • After compression 97.6 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. Nhvsinc.com needs all CSS files to be minified and compressed as it can save up to 62.8 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (75%)

Requests Now

44

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nhvs Inc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nhvsinc.com

nhvsinc.com

66 ms

www.nhvsinc.com

www.nhvsinc.com

114 ms

css

css

24 ms

bootstrap.min.css

bootstrap.min.css

49 ms

font-awesome.min.css

font-awesome.min.css

67 ms

owl.theme.default.min.css

owl.theme.default.min.css

55 ms

owl.carousel.min.css

owl.carousel.min.css

56 ms

magnific-popup.min.css

magnific-popup.min.css

56 ms

theme.css

theme.css

87 ms

theme-elements.css

theme-elements.css

91 ms

theme-animate.css

theme-animate.css

80 ms

settings.css

settings.css

98 ms

layers.css

layers.css

110 ms

navigation.css

navigation.css

114 ms

component.css

component.css

116 ms

skin-corporate-6.css

skin-corporate-6.css

145 ms

modernizr.min.js

modernizr.min.js

117 ms

jquery.min.js

jquery.min.js

176 ms

jquery.appear.min.js

jquery.appear.min.js

135 ms

jquery.easing.min.js

jquery.easing.min.js

133 ms

jquery-cookie.min.js

jquery-cookie.min.js

138 ms

bootstrap.min.js

bootstrap.min.js

141 ms

common.min.js

common.min.js

191 ms

jquery.validation.min.js

jquery.validation.min.js

195 ms

jquery.stellar.min.js

jquery.stellar.min.js

194 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

194 ms

jquery.isotope.min.js

jquery.isotope.min.js

262 ms

owl.carousel.min.js

owl.carousel.min.js

263 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

275 ms

vide.min.js

vide.min.js

278 ms

theme.js

theme.js

280 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

280 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

309 ms

view.home.js

view.home.js

278 ms

view.contact.js

view.contact.js

540 ms

examples.gallery.js

examples.gallery.js

279 ms

theme.init.js

theme.init.js

308 ms

logo.png

logo.png

140 ms

slide.jpg

slide.jpg

140 ms

slide1.jpg

slide1.jpg

141 ms

slide2.jpg

slide2.jpg

151 ms

slide3.jpg

slide3.jpg

152 ms

slide4.jpg

slide4.jpg

153 ms

slide5.jpg

slide5.jpg

154 ms

parallax2.jpg

parallax2.jpg

163 ms

project.jpg

project.jpg

152 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

100 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

103 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

103 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

104 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVQ.woff

103 ms

UqyNK9UOIntux_czAvDQx_ZcHqZXBNQzdcD_.woff

UqyNK9UOIntux_czAvDQx_ZcHqZXBNQzdcD_.woff

63 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

61 ms

Accessibility Review

nhvsinc.com accessibility score

70

Accessibility Issues

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

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

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

nhvsinc.com best practices score

58

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nhvsinc.com SEO score

100

Search Engine Optimization Advices

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 Nhvsinc.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 Nhvsinc.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

nhvsinc.com

Open Graph description is not detected on the main page of Nhvs Inc. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: