Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

ganttcenter.org

Home - The Harvey B. Gantt Center for African-American Arts + Culture

Page Load Speed

1.5 sec in total

First Response

103 ms

Resources Loaded

921 ms

Page Rendered

464 ms

ganttcenter.org screenshot

About Website

Click here to check amazing Gantt Center content for United States. Otherwise, check out these important facts you probably never knew about ganttcenter.org

The Harvey B. Gantt Center for African- American Arts + Culture celebrates the contributions of Africans and African-Americans to American culture and serves as a community epicenter for music, dance,...

Visit ganttcenter.org

Key Findings

We analyzed Ganttcenter.org page load time and found that the first response time was 103 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

ganttcenter.org performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.5 s

47/100

10%

Network Requests Diagram

ganttcenter.org

103 ms

vmc5kam.js

285 ms

ui.main.css

105 ms

ui.selectbox.css

133 ms

ui.prettyphoto.css

151 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 81% of them (48 requests) were addressed to the original Ganttcenter.org, 14% (8 requests) were made to Use.typekit.net and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (463 ms) belongs to the original domain Ganttcenter.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 304.7 kB (23%)

Content Size

1.3 MB

After Optimization

1.0 MB

In fact, the total size of Ganttcenter.org main page is 1.3 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. 45% of websites need less resources to load. Images take 954.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.2 kB

  • Original 27.4 kB
  • After minification 23.8 kB
  • After compression 6.2 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. This page needs HTML code to be minified as it can gain 3.7 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.2 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 28.2 kB

  • Original 954.6 kB
  • After minification 926.4 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. Gantt Center images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 215.6 kB

  • Original 300.9 kB
  • After minification 254.6 kB
  • After compression 85.3 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 215.6 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 39.6 kB

  • Original 48.6 kB
  • After minification 47.4 kB
  • After compression 9.0 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. Ganttcenter.org needs all CSS files to be minified and compressed as it can save up to 39.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (27%)

Requests Now

52

After Optimization

38

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gantt Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ganttcenter.org accessibility score

79

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.

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

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

ganttcenter.org best practices score

83

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

SEO Factors

ganttcenter.org SEO score

85

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ganttcenter.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ganttcenter.org 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 Gantt Center. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: