Tools & Wizards About Us
centerstl.com screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

centerstl.com

Center St. Louis - Sports Complex - St. Louis, Missouri

Page Load Speed

897 ms in total

First Response

108 ms

Resources Loaded

708 ms

Page Rendered

81 ms

centerstl.com screenshot

About Website

Welcome to centerstl.com homepage info - get ready to check Center St L best content right away, or after learning these important things about centerstl.com

Center St. Louis sports complex is the premier rental facility in the St. Louis area for; volleyballl, basketball, baseball, softball, and athletic training.

Visit centerstl.com

Key Findings

We analyzed Centerstl.com page load time and found that the first response time was 108 ms and then it took 789 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

centerstl.com performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.631

9/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

centerstlouis.godaddysites.com

108 ms

site.css

105 ms

duel.js

33 ms

scc-c2.min.js

24 ms

jq.js

399 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Centerstl.com, 31% (5 requests) were made to Nebula.wsimg.com and 13% (2 requests) were made to Centerstlouis.godaddysites.com. The less responsive or slowest element that took the longest time to load (429 ms) relates to the external source Nebula.wsimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 300.1 kB (72%)

Content Size

415.8 kB

After Optimization

115.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centerstl.com main page is 415.8 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. 15% of websites need less resources to load. Javascripts take 181.0 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 54.1 kB

  • Original 61.9 kB
  • After minification 61.9 kB
  • After compression 7.8 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 54.1 kB or 87% of the original size.

Image Optimization

-94%

Potential reduce by 120.9 kB

  • Original 128.5 kB
  • After minification 7.6 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, Center St L needs image optimization as it can save up to 120.9 kB or 94% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 88.3 kB

  • Original 181.0 kB
  • After minification 180.9 kB
  • After compression 92.8 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 88.3 kB or 49% of the original size.

CSS Optimization

-83%

Potential reduce by 36.8 kB

  • Original 44.3 kB
  • After minification 44.3 kB
  • After compression 7.5 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. Centerstl.com needs all CSS files to be minified and compressed as it can save up to 36.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (47%)

Requests Now

15

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Center St L. 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 as a result speed up the page load time.

Network Requests Diagram

centerstlouis.godaddysites.com

centerstlouis.godaddysites.com

108 ms

site.css

site.css

105 ms

duel.js

duel.js

33 ms

scc-c2.min.js

scc-c2.min.js

24 ms

jq.js

jq.js

399 ms

analytics.js

analytics.js

38 ms

78ae83a6c1a1263900b3ac61bfc50858

78ae83a6c1a1263900b3ac61bfc50858

228 ms

subNavigation.js

subNavigation.js

251 ms

cookiemanager.js

cookiemanager.js

249 ms

iebackground.js

iebackground.js

248 ms

a50bdb0a6128cf74e3d079cfdc168487

a50bdb0a6128cf74e3d079cfdc168487

429 ms

bb980cf7a8ef81c6f84f98710875ca45

bb980cf7a8ef81c6f84f98710875ca45

402 ms

0191937a8f98911cfed0309c0e4394ca

0191937a8f98911cfed0309c0e4394ca

409 ms

dc3321e28be9941a204866ff45e85698

dc3321e28be9941a204866ff45e85698

222 ms

collect

collect

27 ms

util.window.js

util.window.js

53 ms

Accessibility Review

centerstl.com accessibility score

48

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

centerstl.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

centerstl.com SEO score

92

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

Image elements do not have [alt] attributes

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 Centerstl.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 Centerstl.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

centerstl.com

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