Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

alsroofingsupply.net

Rooftop Delivery Services | Greater San Francisco Bay Area | Al's Roofing Supply

Page Load Speed

677 ms in total

First Response

46 ms

Resources Loaded

385 ms

Page Rendered

246 ms

About Website

Click here to check amazing Al S Roofing Supply content. Otherwise, check out these important facts you probably never knew about alsroofingsupply.net

There's no better place than Al's Roofing Supply in the Greater San Francisco Bay Area for all your roofing supply needs! Give us a call today at 510-782-0780.

Visit alsroofingsupply.net

Key Findings

We analyzed Alsroofingsupply.net page load time and found that the first response time was 46 ms and then it took 631 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

alsroofingsupply.net performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value750 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

alsroofingsupply.net

46 ms

www.alsroofingsupply.net

63 ms

4137c25.png

133 ms

416-316w.png

127 ms

jquery.min.js

40 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Alsroofingsupply.net, 44% (12 requests) were made to Cdn.website.thryv.com and 11% (3 requests) were made to Static.cdn-website.com. The less responsive or slowest element that took the longest time to load (260 ms) relates to the external source Mpactions.superpages.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 153.4 kB (25%)

Content Size

610.4 kB

After Optimization

457.0 kB

In fact, the total size of Alsroofingsupply.net main page is 610.4 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. 50% of websites need less resources to load. Images take 292.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 75.4 kB

  • Original 98.5 kB
  • After minification 94.7 kB
  • After compression 23.1 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 75.4 kB or 77% of the original size.

Image Optimization

-16%

Potential reduce by 46.0 kB

  • Original 292.4 kB
  • After minification 246.4 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. Obviously, Al S Roofing Supply needs image optimization as it can save up to 46.0 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-15%

Potential reduce by 32.0 kB

  • Original 219.5 kB
  • After minification 219.5 kB
  • After compression 187.5 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 32.0 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (21%)

Requests Now

24

After Optimization

19

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Al S Roofing Supply. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

alsroofingsupply.net accessibility score

94

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

alsroofingsupply.net best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

alsroofingsupply.net 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 Alsroofingsupply.net 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 Alsroofingsupply.net 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 Al S Roofing Supply. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: