Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

vermontslateco.com

Vermont Slate Co. | Slate roofing and siding products

Page Load Speed

1.5 sec in total

First Response

190 ms

Resources Loaded

854 ms

Page Rendered

489 ms

vermontslateco.com screenshot

About Website

Visit vermontslateco.com now to see the best up-to-date Vermont Slate Co content and also check out these interesting facts you probably never knew about vermontslateco.com

Vermont Slate provides high quality slate roofing & siding products at the best prices with a high level of customer service. Click to see our colors!

Visit vermontslateco.com

Key Findings

We analyzed Vermontslateco.com page load time and found that the first response time was 190 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

vermontslateco.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.135

80/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

vermontslateco.com

190 ms

vermontslateco.com

147 ms

autoptimize_23bd65a570a6fa7a868c913ba2c985a0.css

47 ms

css

28 ms

conditionizr-4.3.0.min.js

97 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 78% of them (18 requests) were addressed to the original Vermontslateco.com, 9% (2 requests) were made to Fonts.googleapis.com and 9% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (325 ms) belongs to the original domain Vermontslateco.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.2 kB (3%)

Content Size

1.5 MB

After Optimization

1.4 MB

In fact, the total size of Vermontslateco.com main page is 1.5 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. 30% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 32.6 kB

  • Original 40.8 kB
  • After minification 38.9 kB
  • After compression 8.2 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 32.6 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 1.4 kB

  • Original 1.3 MB
  • After minification 1.3 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. Vermont Slate Co images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 11.8 kB

  • Original 102.6 kB
  • After minification 102.6 kB
  • After compression 90.9 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 11.8 kB or 11% of the original size.

CSS Optimization

-14%

Potential reduce by 5.4 kB

  • Original 39.5 kB
  • After minification 39.5 kB
  • After compression 34.1 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. Vermontslateco.com needs all CSS files to be minified and compressed as it can save up to 5.4 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (17%)

Requests Now

18

After Optimization

15

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vermont Slate Co. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

vermontslateco.com accessibility score

86

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-*] attributes do not match their roles

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

vermontslateco.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

vermontslateco.com SEO score

91

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 Vermontslateco.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 Vermontslateco.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 Vermont Slate Co. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: