Tools & Wizards About Us

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

cannistraro.com

Boston's Leading Industrial Mechanical Contractor | Cannistraro

Page Load Speed

1.5 sec in total

First Response

154 ms

Resources Loaded

933 ms

Page Rendered

405 ms

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 154 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

cannistraro.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

cannistraro.com

154 ms

cannistraro.com

234 ms

gtm.js

69 ms

css

36 ms

grid.css

18 ms

Our browser made a total of 142 requests to load all elements on the main page. We found that 95% of them (135 requests) were addressed to the original Cannistraro.com, 2% (3 requests) were made to Fonts.gstatic.com and 1% (2 requests) were made to Cannistraropro.wpengine.com. The less responsive or slowest element that took the longest time to load (234 ms) belongs to the original domain Cannistraro.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 134.5 kB (6%)

Content Size

2.1 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cannistraro.com main page is 2.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 82.8 kB

  • Original 100.3 kB
  • After minification 98.2 kB
  • After compression 17.6 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 82.8 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.5 MB
  • After minification 1.5 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

-8%

Potential reduce by 28.0 kB

  • Original 366.2 kB
  • After minification 366.2 kB
  • After compression 338.2 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.

CSS Optimization

-16%

Potential reduce by 23.7 kB

  • Original 149.4 kB
  • After minification 146.8 kB
  • After compression 125.7 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 23.7 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 125 (92%)

Requests Now

136

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 136 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 55 to 1 for JavaScripts and from 72 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cannistraro.com accessibility score

98

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

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

High

Page has valid source maps

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

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: