Tools & Wizards About Us
carlsonroof.com screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

carlsonroof.com

Carlson Roofing | Portland, OR | Commerical Roofing Services

Page Load Speed

1.2 sec in total

First Response

51 ms

Resources Loaded

1.1 sec

Page Rendered

59 ms

carlsonroof.com screenshot

About Website

Welcome to carlsonroof.com homepage info - get ready to check Carlson Roof best content right away, or after learning these important things about carlsonroof.com

Carlson has been a trusted name in roofing since 1971. We proudly serve commercial and multifamily property owners throughout the Portland metro area. Learn more about our roof construction, maintenan...

Visit carlsonroof.com

Key Findings

We analyzed Carlsonroof.com page load time and found that the first response time was 51 ms and then it took 1.1 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

carlsonroof.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

www.carlsonroof.com

51 ms

minified.js

34 ms

focus-within-polyfill.js

29 ms

polyfill.min.js

62 ms

thunderbolt-commons.a989d465.bundle.min.js

20 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Carlsonroof.com, 50% (18 requests) were made to Static.parastorage.com and 33% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (355 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 440.1 kB (52%)

Content Size

854.5 kB

After Optimization

414.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Carlsonroof.com main page is 854.5 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. 30% of websites need less resources to load. HTML takes 441.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 343.9 kB

  • Original 441.5 kB
  • After minification 439.8 kB
  • After compression 97.6 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 343.9 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 3.7 kB

  • Original 64.4 kB
  • After minification 60.7 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. Carlson Roof images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 92.5 kB

  • Original 348.5 kB
  • After minification 348.5 kB
  • After compression 256.0 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 92.5 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Carlson Roof. 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.carlsonroof.com

www.carlsonroof.com

51 ms

minified.js

minified.js

34 ms

focus-within-polyfill.js

focus-within-polyfill.js

29 ms

polyfill.min.js

polyfill.min.js

62 ms

thunderbolt-commons.a989d465.bundle.min.js

thunderbolt-commons.a989d465.bundle.min.js

20 ms

main.9a8f299d.bundle.min.js

main.9a8f299d.bundle.min.js

90 ms

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

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

20 ms

lodash.min.js

lodash.min.js

89 ms

react.production.min.js

react.production.min.js

22 ms

react-dom.production.min.js

react-dom.production.min.js

90 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

51 ms

461727_2d4d00bbc6bb4f478ed936e4f7cb685a~mv2.png

461727_2d4d00bbc6bb4f478ed936e4f7cb685a~mv2.png

244 ms

bundle.min.js

bundle.min.js

46 ms

d5c659_3589c6741cfd48d09ee9f596cbaa3c8c~mv2.jpg

d5c659_3589c6741cfd48d09ee9f596cbaa3c8c~mv2.jpg

355 ms

shdtop.42378c12.png

shdtop.42378c12.png

28 ms

96 ms

97 ms

95 ms

96 ms

92 ms

92 ms

130 ms

130 ms

131 ms

128 ms

127 ms

127 ms

opensans-bold-webfont.woff

opensans-bold-webfont.woff

7 ms

opensans-regular-webfont.woff

opensans-regular-webfont.woff

19 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

22 ms

deprecation-style.v5.css

deprecation-style.v5.css

5 ms

right-arrow.svg

right-arrow.svg

17 ms

WixMadeforDisplay_W_Bd.woff

WixMadeforDisplay_W_Bd.woff

4 ms

WixMadeforText_W_Bd.woff

WixMadeforText_W_Bd.woff

6 ms

WixMadeforText_W_Rg.woff

WixMadeforText_W_Rg.woff

7 ms

Accessibility Review

carlsonroof.com accessibility score

87

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

Links do not have a discernible name

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.

Best Practices

carlsonroof.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

carlsonroof.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

    EN

  • Encoding

    UTF-8

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

carlsonroof.com

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