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dasullivan.com screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

dasullivan.com

D.A. Sullivan & Sons, Inc. | General Contractor | Northampton, MA

Page Load Speed

1.4 sec in total

First Response

41 ms

Resources Loaded

1.3 sec

Page Rendered

54 ms

dasullivan.com screenshot

About Website

Visit dasullivan.com now to see the best up-to-date D A Sullivan content and also check out these interesting facts you probably never knew about dasullivan.com

D.A. Sullivan & Sons, Inc. (DAS) is a family-owned, mid-sized General Contracting, Construction Management, and Owner's Project Management firm based in Northampton, MA.

Visit dasullivan.com

Key Findings

We analyzed Dasullivan.com page load time and found that the first response time was 41 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

dasullivan.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

www.dasullivan.com

41 ms

minified.js

46 ms

focus-within-polyfill.js

74 ms

polyfill.min.js

38 ms

thunderbolt-commons.ef342c25.bundle.min.js

126 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Dasullivan.com, 32% (12 requests) were made to Static.parastorage.com and 32% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (515 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 420.9 kB (51%)

Content Size

829.0 kB

After Optimization

408.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dasullivan.com main page is 829.0 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. 25% of websites need less resources to load. HTML takes 528.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 415.8 kB

  • Original 528.3 kB
  • After minification 526.5 kB
  • After compression 112.5 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 415.8 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 792 B

  • Original 40.7 kB
  • After minification 39.9 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. D A Sullivan images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 4.2 kB

  • Original 260.1 kB
  • After minification 260.0 kB
  • After compression 255.8 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 10 (40%)

Requests Now

25

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D A Sullivan. 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.dasullivan.com

www.dasullivan.com

41 ms

minified.js

minified.js

46 ms

focus-within-polyfill.js

focus-within-polyfill.js

74 ms

polyfill.min.js

polyfill.min.js

38 ms

thunderbolt-commons.ef342c25.bundle.min.js

thunderbolt-commons.ef342c25.bundle.min.js

126 ms

main.ffa2f90d.bundle.min.js

main.ffa2f90d.bundle.min.js

125 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

124 ms

lodash.min.js

lodash.min.js

123 ms

react.production.min.js

react.production.min.js

123 ms

react-dom.production.min.js

react-dom.production.min.js

126 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

126 ms

DAS_Vector_edited_edited.png

DAS_Vector_edited_edited.png

242 ms

bundle.min.js

bundle.min.js

59 ms

a34cc8_4365a36bea624736a8ea144d432d8ef7f000.jpg

a34cc8_4365a36bea624736a8ea144d432d8ef7f000.jpg

244 ms

a34cc8_affca85865124161a215e5f3266a6c7a~mv2.jpg

a34cc8_affca85865124161a215e5f3266a6c7a~mv2.jpg

257 ms

a34cc8_95823b2313a14b9e8113376ae8ef64b8~mv2.jpg

a34cc8_95823b2313a14b9e8113376ae8ef64b8~mv2.jpg

273 ms

a34cc8_95b9103a847a4003b4397289caca15aa~mv2.jpg

a34cc8_95b9103a847a4003b4397289caca15aa~mv2.jpg

298 ms

a34cc8_e4be7d0afc24403d8ef161ca9890a8bb~mv2.jpg

a34cc8_e4be7d0afc24403d8ef161ca9890a8bb~mv2.jpg

257 ms

a34cc8_b0f1c3a123e94835b98ca4c30d8ad384~mv2.jpg

a34cc8_b0f1c3a123e94835b98ca4c30d8ad384~mv2.jpg

449 ms

a34cc8_55c1b7e72cc24fc0a04d963e976ae73e~mv2.jpg

a34cc8_55c1b7e72cc24fc0a04d963e976ae73e~mv2.jpg

354 ms

a34cc8_671547f0ed744790b3254016230fb3f3~mv2_d_2688_1792_s_2.jpg

a34cc8_671547f0ed744790b3254016230fb3f3~mv2_d_2688_1792_s_2.jpg

515 ms

a34cc8_ffcf996a11714dff84817c996fecd2df~mv2.jpg

a34cc8_ffcf996a11714dff84817c996fecd2df~mv2.jpg

455 ms

91 ms

97 ms

95 ms

92 ms

95 ms

93 ms

84 ms

90 ms

91 ms

90 ms

90 ms

90 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

21 ms

deprecation-style.v5.css

deprecation-style.v5.css

7 ms

right-arrow.svg

right-arrow.svg

5 ms

Accessibility Review

dasullivan.com accessibility score

100

Accessibility Issues

Best Practices

dasullivan.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

dasullivan.com SEO score

98

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

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 Dasullivan.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 Dasullivan.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

dasullivan.com

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