Tools & Wizards About Us
princetonengineering.services screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

princetonengineering.services

Princeton Engineering Services - HVAC, Mechanical, Electrical, Plumbing, Fire Protection

Page Load Speed

1.4 sec in total

First Response

141 ms

Resources Loaded

755 ms

Page Rendered

471 ms

princetonengineering.services screenshot

About Website

Visit princetonengineering.services now to see the best up-to-date Princeton Engineering content and also check out these interesting facts you probably never knew about princetonengineering.services

Princeton Engineering Services specializes in HVAC, Heating, Ventilation, Air Conditioning, Electrical, Mechanical, I.T. Security Systems, Plumbing, Fire Protection, & Energy Conservation Systems.

Visit princetonengineering.services

Key Findings

We analyzed Princetonengineering.services page load time and found that the first response time was 141 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

princetonengineering.services performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.154

75/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

princetonengineering.services

141 ms

bootstrap.css

111 ms

font-awesome.css

110 ms

flaticon.css

105 ms

owl.carousel.css

105 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 60% of them (31 requests) were addressed to the original Princetonengineering.services, 25% (13 requests) were made to Fonts.gstatic.com and 10% (5 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (322 ms) belongs to the original domain Princetonengineering.services.

Page Optimization Overview & Recommendations

Page size can be reduced by 234.2 kB (16%)

Content Size

1.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Princetonengineering.services main page is 1.5 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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 24.1 kB

  • Original 29.8 kB
  • After minification 20.8 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 9.0 kB, which is 30% 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 24.1 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 24.9 kB

  • Original 1.1 MB
  • After minification 1.1 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. Princeton Engineering images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 177.2 kB

  • Original 256.0 kB
  • After minification 209.2 kB
  • After compression 78.8 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 177.2 kB or 69% of the original size.

CSS Optimization

-22%

Potential reduce by 8.0 kB

  • Original 35.9 kB
  • After minification 30.3 kB
  • After compression 27.9 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. Princetonengineering.services needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (49%)

Requests Now

37

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Princeton Engineering. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

princetonengineering.services

princetonengineering.services

141 ms

bootstrap.css

bootstrap.css

111 ms

font-awesome.css

font-awesome.css

110 ms

flaticon.css

flaticon.css

105 ms

owl.carousel.css

owl.carousel.css

105 ms

owl.theme.css

owl.theme.css

108 ms

style.css

style.css

105 ms

responsive.css

responsive.css

159 ms

blue.css

blue.css

160 ms

css

css

23 ms

css

css

41 ms

css

css

44 ms

css

css

45 ms

modernizr.custom.js

modernizr.custom.js

208 ms

jquery.1.11.1.js

jquery.1.11.1.js

301 ms

bootstrap.js

bootstrap.js

295 ms

owl.carousel.js

owl.carousel.js

236 ms

main.js

main.js

237 ms

css

css

21 ms

princeton-engineering-services.jpg

princeton-engineering-services.jpg

68 ms

professional-engineering-firm.jpg

professional-engineering-firm.jpg

220 ms

mechanical-electrical-engineers.jpg

mechanical-electrical-engineers.jpg

221 ms

hvac-plumbing-fire-protection.jpg

hvac-plumbing-fire-protection.jpg

175 ms

04.png

04.png

117 ms

hvac-engineers.jpg

hvac-engineers.jpg

176 ms

electrical-systems-design.jpg

electrical-systems-design.jpg

151 ms

plumbing-fire-protection.jpg

plumbing-fire-protection.jpg

219 ms

project-simon-gratz.jpg

project-simon-gratz.jpg

241 ms

project-liberty-science-center.jpg

project-liberty-science-center.jpg

263 ms

project-nj-forestry-service.jpg

project-nj-forestry-service.jpg

221 ms

project-carver-high-school.jpg

project-carver-high-school.jpg

295 ms

project-it-core-wan-sites.jpg

project-it-core-wan-sites.jpg

257 ms

projects-lester-noecker.jpg

projects-lester-noecker.jpg

322 ms

2.jpg

2.jpg

270 ms

05.png

05.png

294 ms

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7Aulp_0qiz-aVz7u3PJLcUMYOFnOkEk30e6fwniDhzA.woff

49 ms

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7Aulp_0qiz-aVz7u3PJLcUMYOFmQkEk30e6fwniDhzA.woff

84 ms

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302 ms

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59 ms

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57 ms

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82 ms

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105 ms

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105 ms

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106 ms

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104 ms

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82 ms

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148 ms

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107 ms

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149 ms

analytics.js

analytics.js

64 ms

collect

collect

23 ms

js

js

66 ms

Accessibility Review

princetonengineering.services accessibility score

80

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

princetonengineering.services best practices score

67

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

SEO Factors

princetonengineering.services SEO score

92

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Princetonengineering.services 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 Princetonengineering.services 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

princetonengineering.services

Open Graph description is not detected on the main page of Princeton Engineering. 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: