Tools & Wizards About Us
ducon.us screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

ducon.us

Residential & Commercial | DuCon Construction | United States

Page Load Speed

940 ms in total

First Response

77 ms

Resources Loaded

794 ms

Page Rendered

69 ms

ducon.us screenshot

About Website

Click here to check amazing Du Con content. Otherwise, check out these important facts you probably never knew about ducon.us

DuCon Construction specializes in commercial construction and has a suite of services to make sure your project is on time, meets budget, and exceeds expectations.

Visit ducon.us

Key Findings

We analyzed Ducon.us page load time and found that the first response time was 77 ms and then it took 863 ms 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

ducon.us performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

www.ducon.us

77 ms

minified.js

37 ms

focus-within-polyfill.js

29 ms

polyfill.min.js

207 ms

thunderbolt-commons.eb770ee8.bundle.min.js

18 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ducon.us, 41% (21 requests) were made to Static.parastorage.com and 27% (14 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (390 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 359.8 kB (45%)

Content Size

799.3 kB

After Optimization

439.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Ducon.us main page is 799.3 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. 40% of websites need less resources to load. HTML takes 415.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 317.5 kB

  • Original 415.8 kB
  • After minification 414.3 kB
  • After compression 98.3 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 317.5 kB or 76% of the original size.

Image Optimization

-26%

Potential reduce by 39.6 kB

  • Original 155.1 kB
  • After minification 115.5 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. Obviously, Du Con needs image optimization as it can save up to 39.6 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 228.4 kB
  • After minification 228.4 kB
  • After compression 225.7 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 10 (34%)

Requests Now

29

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Du Con. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.ducon.us

www.ducon.us

77 ms

minified.js

minified.js

37 ms

focus-within-polyfill.js

focus-within-polyfill.js

29 ms

polyfill.min.js

polyfill.min.js

207 ms

thunderbolt-commons.eb770ee8.bundle.min.js

thunderbolt-commons.eb770ee8.bundle.min.js

18 ms

main.578f27a3.bundle.min.js

main.578f27a3.bundle.min.js

59 ms

lodash.min.js

lodash.min.js

59 ms

react.production.min.js

react.production.min.js

19 ms

react-dom.production.min.js

react-dom.production.min.js

60 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

58 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

60 ms

29fab7_7433b5794649422994c7ecf5d9fc3c09~mv2_d_5269_3130_s_4_2.jpeg

29fab7_7433b5794649422994c7ecf5d9fc3c09~mv2_d_5269_3130_s_4_2.jpeg

125 ms

Ducon%20Alt%20Logo.png

Ducon%20Alt%20Logo.png

113 ms

29fab7_7433b5794649422994c7ecf5d9fc3c09~mv2_d_5269_3130_s_4_2.jpeg

29fab7_7433b5794649422994c7ecf5d9fc3c09~mv2_d_5269_3130_s_4_2.jpeg

127 ms

29fab7_aed4d1d2c3734fcaad5a434a88e06e79~mv2.jpeg

29fab7_aed4d1d2c3734fcaad5a434a88e06e79~mv2.jpeg

112 ms

29fab7_27d7f5654b7a4c80a955f55464cb8c5d~mv2.jpeg

29fab7_27d7f5654b7a4c80a955f55464cb8c5d~mv2.jpeg

111 ms

c19c76_376dc1d20bd348b99c4a732a1d6d7c81.png

c19c76_376dc1d20bd348b99c4a732a1d6d7c81.png

127 ms

general%20contracting.jpeg

general%20contracting.jpeg

127 ms

construction%20management2.jpeg

construction%20management2.jpeg

127 ms

preconstruction2.jpeg

preconstruction2.jpeg

126 ms

design%20build%202.jpeg

design%20build%202.jpeg

325 ms

icon%20consulting.jpeg

icon%20consulting.jpeg

146 ms

owner.jpeg

owner.jpeg

390 ms

c19c76_427a7bbf62474f74968cb087499c7a3e.jpg

c19c76_427a7bbf62474f74968cb087499c7a3e.jpg

146 ms

Ducon%20Alt%20Logo.png

Ducon%20Alt%20Logo.png

147 ms

bundle.min.js

bundle.min.js

107 ms

61bd362e-7162-46bd-b67e-28f366c4afbe.woff

61bd362e-7162-46bd-b67e-28f366c4afbe.woff

23 ms

80de9d5d-ab5f-40ce-911b-104e51e93d7c.woff

80de9d5d-ab5f-40ce-911b-104e51e93d7c.woff

21 ms

388ef902-2c31-4818-abb1-a40dcd81f6d6.woff

388ef902-2c31-4818-abb1-a40dcd81f6d6.woff

21 ms

09a4b57b-7400-4d30-b4ba-d6e303c57868.woff

09a4b57b-7400-4d30-b4ba-d6e303c57868.woff

22 ms

c5749443-93da-4592-b794-42f28d62ef72.woff

c5749443-93da-4592-b794-42f28d62ef72.woff

21 ms

192dac76-a6d9-413d-bb74-22308f2e0cc5.woff

192dac76-a6d9-413d-bb74-22308f2e0cc5.woff

14 ms

0a3939d0-3833-4db3-8b85-f64c2b3350d2.woff

0a3939d0-3833-4db3-8b85-f64c2b3350d2.woff

44 ms

03805817-4611-4dbc-8c65-0f73031c3973.woff

03805817-4611-4dbc-8c65-0f73031c3973.woff

42 ms

80c34ad2-27c2-4d99-90fa-985fd64ab81a.woff

80c34ad2-27c2-4d99-90fa-985fd64ab81a.woff

43 ms

111 ms

112 ms

108 ms

106 ms

107 ms

104 ms

143 ms

141 ms

140 ms

134 ms

135 ms

134 ms

deprecation-en.v5.html

deprecation-en.v5.html

6 ms

bolt-performance

bolt-performance

23 ms

deprecation-style.v5.css

deprecation-style.v5.css

12 ms

right-arrow.svg

right-arrow.svg

12 ms

Accessibility Review

ducon.us accessibility score

94

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.

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

ducon.us 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

ducon.us SEO score

93

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 Ducon.us 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 Ducon.us 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

ducon.us

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