Tools & Wizards About Us
cannistraro.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

cannistraro.com

Boston's Leading Industrial Mechanical Contractor | Cannistraro

Page Load Speed

1.5 sec in total

First Response

109 ms

Resources Loaded

934 ms

Page Rendered

463 ms

cannistraro.com screenshot

About Website

Welcome to cannistraro.com homepage info - get ready to check Cannistraro best content for United States right away, or after learning these important things about cannistraro.com

The experts at Cannistraro are here for all of your contracting needs, including mechanical construction, HVAC, plumbing, fire protection, and maintenance.

Visit cannistraro.com

Key Findings

We analyzed Cannistraro.com page load time and found that the first response time was 109 ms and then it took 1.4 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

cannistraro.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.142

78/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

cannistraro.com

109 ms

js

34 ms

modernizr.custom.cannistraro.js

52 ms

styles.css

95 ms

jquery.bxslider.css

94 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 74% of them (43 requests) were addressed to the original Cannistraro.com, 10% (6 requests) were made to and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (549 ms) belongs to the original domain Cannistraro.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (21%)

Content Size

6.4 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cannistraro.com main page is 6.4 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. 60% of websites need less resources to load. Images take 5.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 29.0 kB

  • Original 35.9 kB
  • After minification 29.2 kB
  • After compression 6.9 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 6.7 kB, which is 19% 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 29.0 kB or 81% of the original size.

Image Optimization

-10%

Potential reduce by 514.2 kB

  • Original 5.2 MB
  • After minification 4.7 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. Cannistraro images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 492.6 kB

  • Original 662.2 kB
  • After minification 542.1 kB
  • After compression 169.6 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 492.6 kB or 74% of the original size.

CSS Optimization

-70%

Potential reduce by 310.9 kB

  • Original 446.7 kB
  • After minification 372.8 kB
  • After compression 135.8 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. Cannistraro.com needs all CSS files to be minified and compressed as it can save up to 310.9 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (67%)

Requests Now

49

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cannistraro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cannistraro.com

cannistraro.com

109 ms

js

js

34 ms

modernizr.custom.cannistraro.js

modernizr.custom.cannistraro.js

52 ms

styles.css

styles.css

95 ms

jquery.bxslider.css

jquery.bxslider.css

94 ms

cannistraro.css

cannistraro.css

100 ms

shame.css

shame.css

95 ms

jquery.js

jquery.js

99 ms

jquery-migrate.min.js

jquery-migrate.min.js

95 ms

fonts.css

fonts.css

184 ms

jquery.form.min.js

jquery.form.min.js

97 ms

scripts.js

scripts.js

93 ms

cannistraro-background-fullscreen.js

cannistraro-background-fullscreen.js

96 ms

jquery.bxslider.js

jquery.bxslider.js

141 ms

jquery.fitvids.js

jquery.fitvids.js

141 ms

isotope-2.0.1-development.js

isotope-2.0.1-development.js

179 ms

bootstrap.js

bootstrap.js

142 ms

cannistraro-opportunities-filter.js

cannistraro-opportunities-filter.js

141 ms

cannistraro-gmap.js

cannistraro-gmap.js

139 ms

cannistraro-background-slider.js

cannistraro-background-slider.js

141 ms

imagesloaded.min.js

imagesloaded.min.js

177 ms

masonry.min.js

masonry.min.js

179 ms

jquery.fittext.js

jquery.fittext.js

177 ms

cannistraro.js

cannistraro.js

176 ms

comment-reply.min.js

comment-reply.min.js

175 ms

wp-embed.min.js

wp-embed.min.js

181 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

102 ms

analytics.js

analytics.js

15 ms

halftone-background.svg

halftone-background.svg

151 ms

cannistraro_logo.png

cannistraro_logo.png

57 ms

map-us-pin.png

map-us-pin.png

58 ms

collect

collect

11 ms

who_we_are.jpg

who_we_are.jpg

101 ms

markets.jpg

markets.jpg

130 ms

plumbing.jpg

plumbing.jpg

130 ms

hvac1.jpg

hvac1.jpg

86 ms

HAS-Round-Duct-e1503497875860.jpg

HAS-Round-Duct-e1503497875860.jpg

474 ms

what_we_do.jpg

what_we_do.jpg

186 ms

Fire-Pump-Room-NG.jpg

Fire-Pump-Room-NG.jpg

549 ms

HVAC-Preventative-Maintenance.jpg

HVAC-Preventative-Maintenance.jpg

518 ms

Safety-Rigging-BW.jpg

Safety-Rigging-BW.jpg

538 ms

news-blog.png

news-blog.png

180 ms

halftone-background.png

halftone-background.png

214 ms

36-logo.png

36-logo.png

222 ms

34848D50856D026C8.css

34848D50856D026C8.css

290 ms

collect

collect

62 ms

2651688.js

2651688.js

124 ms

BfHDkGK

BfHDkGK

69 ms

K0UvwBEfkFq

K0UvwBEfkFq

68 ms

OG11CykgWfN52VrpLlyMZFefyQ9LiU8ekNzxs8Pv5Wit8Tf0Fe

OG11CykgWfN52VrpLlyMZFefyQ9LiU8ekNzxs8Pv5Wit8Tf0Fe

67 ms

lfwXxw5Big==

lfwXxw5Big==

67 ms

AER+QWo=

AER+QWo=

67 ms

QV4=

QV4=

67 ms

ajax-loader.gif

ajax-loader.gif

33 ms

ajax-loader.gif

ajax-loader.gif

64 ms

__ptq.gif

__ptq.gif

14 ms

2651688.js

2651688.js

31 ms

2651688.js

2651688.js

94 ms

Accessibility Review

cannistraro.com accessibility score

88

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-hidden="true"] elements contain focusable descendents

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

cannistraro.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

cannistraro.com 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

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 Cannistraro.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 Cannistraro.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

cannistraro.com

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