Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

devosperformancehall.com

DeVos Performance Hall | Official Website

Page Load Speed

1.7 sec in total

First Response

167 ms

Resources Loaded

1.1 sec

Page Rendered

365 ms

devosperformancehall.com screenshot

About Website

Click here to check amazing De Vos Performance Hall content for United States. Otherwise, check out these important facts you probably never knew about devosperformancehall.com

Grand Rapids home of performing arts, theatre, music, comedy and family fun!

Visit devosperformancehall.com

Key Findings

We analyzed Devosperformancehall.com page load time and found that the first response time was 167 ms and then it took 1.5 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

devosperformancehall.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value18.7 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.55

13/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

devosperformancehall.com

167 ms

devosperformancehall.com

187 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

37 ms

css_o5m5YfhNvCAmTYElqKpCQG6h1HjE4crK0Lriiytig8I.css

79 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

108 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 94% of them (66 requests) were addressed to the original Devosperformancehall.com, 3% (2 requests) were made to Ajax.googleapis.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (381 ms) belongs to the original domain Devosperformancehall.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 279.6 kB (15%)

Content Size

1.8 MB

After Optimization

1.5 MB

In fact, the total size of Devosperformancehall.com main page is 1.8 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. 50% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 63.8 kB

  • Original 73.8 kB
  • After minification 68.4 kB
  • After compression 10.0 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 63.8 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 42.5 kB

  • 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. De Vos Performance Hall images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 100.7 kB

  • Original 141.1 kB
  • After minification 100.1 kB
  • After compression 40.4 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 100.7 kB or 71% of the original size.

CSS Optimization

-81%

Potential reduce by 72.7 kB

  • Original 90.1 kB
  • After minification 85.9 kB
  • After compression 17.5 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. Devosperformancehall.com needs all CSS files to be minified and compressed as it can save up to 72.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (38%)

Requests Now

68

After Optimization

42

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Vos Performance Hall. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

devosperformancehall.com accessibility score

76

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.

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

Form elements do not have associated labels

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

devosperformancehall.com best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

devosperformancehall.com SEO score

77

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

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 doesn't use 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 Devosperformancehall.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 Devosperformancehall.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 description is not detected on the main page of De Vos Performance Hall. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: