Tools & Wizards About Us
tz-roofing.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

tz-roofing.com

TZ Roofing Company Near Glenview Roofing Contractors Glenview

Page Load Speed

5.4 sec in total

First Response

96 ms

Resources Loaded

3.5 sec

Page Rendered

1.8 sec

tz-roofing.com screenshot

About Website

Visit tz-roofing.com now to see the best up-to-date TZ Roofing content and also check out these interesting facts you probably never knew about tz-roofing.com

TZ Roofing Companies since 1988 providing complex roofing services in Glenview area. Through all these years we have developed uncommon skills that are crucial for professional roofing contractors. We...

Visit tz-roofing.com

Key Findings

We analyzed Tz-roofing.com page load time and found that the first response time was 96 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

tz-roofing.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

31/100

10%

LCP (Largest Contentful Paint)

Value23.0 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value3,420 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.094

91/100

15%

TTI (Time to Interactive)

Value15.0 s

7/100

10%

Network Requests Diagram

tz-roofing.com

96 ms

style.min.css

224 ms

autoptimize_single_76e12144b6be9bc0a17dd880c5566156.css

23 ms

autoptimize_single_fbe95ec35bcfb73986e728d87ee4b0cc.css

28 ms

autoptimize_single_c4ce361995ff4e22f22c79d0ead65f35.css

195 ms

Our browser made a total of 220 requests to load all elements on the main page. We found that 62% of them (136 requests) were addressed to the original Tz-roofing.com, 22% (49 requests) were made to Maps.googleapis.com and 6% (14 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Tz-roofing.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 688.8 kB (11%)

Content Size

6.6 MB

After Optimization

5.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tz-roofing.com main page is 6.6 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. Only a small number of websites need less resources to load. Images take 4.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 196.2 kB

  • Original 239.8 kB
  • After minification 238.6 kB
  • After compression 43.5 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 196.2 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 208.8 kB

  • Original 4.6 MB
  • After minification 4.4 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. TZ Roofing images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 219.6 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 1.3 MB

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 219.6 kB or 15% of the original size.

CSS Optimization

-25%

Potential reduce by 64.2 kB

  • Original 253.3 kB
  • After minification 253.3 kB
  • After compression 189.1 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. Tz-roofing.com needs all CSS files to be minified and compressed as it can save up to 64.2 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 118 (60%)

Requests Now

197

After Optimization

79

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 197 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TZ Roofing. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 61 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tz-roofing.com

tz-roofing.com

96 ms

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Accessibility Review

tz-roofing.com accessibility score

82

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 input fields do not have accessible names

High

ARIA toggle fields do not have accessible names

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

tz-roofing.com best practices score

75

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tz-roofing.com SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Tz-roofing.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 Tz-roofing.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

tz-roofing.com

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