Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

cornerstonewindows.com

Cornerstone Windows & Patio Doors - Entry Doors - Torrance, CA

Page Load Speed

11.1 sec in total

First Response

3.5 sec

Resources Loaded

7.3 sec

Page Rendered

300 ms

cornerstonewindows.com screenshot

About Website

Visit cornerstonewindows.com now to see the best up-to-date Cornerstone Windows content and also check out these interesting facts you probably never knew about cornerstonewindows.com

Cornerstone Windows has been installing windows, patio doors, & entry doors in the South Bay for over 25 years. Most projects take a day!

Visit cornerstonewindows.com

Key Findings

We analyzed Cornerstonewindows.com page load time and found that the first response time was 3.5 sec and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cornerstonewindows.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value19.0 s

0/100

10%

TBT (Total Blocking Time)

Value23,240 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.087

93/100

15%

TTI (Time to Interactive)

Value31.6 s

0/100

10%

Network Requests Diagram

cornerstonewindows.com

3477 ms

autoptimize_2f645e832e4f8c3e5f937e25bd1a6a11.css

233 ms

css

110 ms

css

145 ms

jquery.min.js

542 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 23% of them (12 requests) were addressed to the original Cornerstonewindows.com, 40% (21 requests) were made to Fonts.gstatic.com and 9% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Cornerstonewindows.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.1 kB (31%)

Content Size

424.9 kB

After Optimization

293.8 kB

In fact, the total size of Cornerstonewindows.com main page is 424.9 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. 80% 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. HTML takes 173.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 129.1 kB

  • Original 173.8 kB
  • After minification 173.7 kB
  • After compression 44.7 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 129.1 kB or 74% of the original size.

Image Optimization

-8%

Potential reduce by 1.6 kB

  • Original 20.5 kB
  • After minification 18.9 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. Cornerstone Windows images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 204 B

  • Original 76.2 kB
  • After minification 76.2 kB
  • After compression 76.0 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

-0%

Potential reduce by 208 B

  • Original 154.3 kB
  • After minification 154.3 kB
  • After compression 154.1 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. Cornerstonewindows.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (62%)

Requests Now

26

After Optimization

10

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cornerstone Windows. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cornerstonewindows.com accessibility score

91

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

cornerstonewindows.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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

cornerstonewindows.com SEO score

90

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 Cornerstonewindows.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 Cornerstonewindows.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 Cornerstone Windows. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: