Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

sac.lincolncenter.org

Lincoln Center

Page Load Speed

231 ms in total

First Response

26 ms

Resources Loaded

205 ms

Page Rendered

0 ms

sac.lincolncenter.org screenshot

About Website

Click here to check amazing Sac Lincoln Center content for United States. Otherwise, check out these important facts you probably never knew about sac.lincolncenter.org

The world's leading performing arts center. The best in music, dance, opera, theater, cinema, and more.

Visit sac.lincolncenter.org

Key Findings

We analyzed Sac.lincolncenter.org page load time and found that the first response time was 26 ms and then it took 205 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

sac.lincolncenter.org performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

sac.lincolncenter.org

26 ms

7589fa64-715c-4b00-8fe3-2643d5ee4396.js

122 ms

sac.css

4 ms

sac-bg.gif

9 ms

gtm.js

15 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 67% of them (4 requests) were addressed to the original Sac.lincolncenter.org, 17% (1 request) were made to Fast.fonts.net and 17% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (122 ms) relates to the external source Fast.fonts.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.4 kB (55%)

Content Size

73.5 kB

After Optimization

33.0 kB

In fact, the total size of Sac.lincolncenter.org main page is 73.5 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 41.5 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 4.9 kB

  • Original 7.7 kB
  • After minification 7.2 kB
  • After compression 2.8 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 4.9 kB or 63% of the original size.

Image Optimization

-24%

Potential reduce by 5.1 kB

  • Original 21.1 kB
  • After minification 16.0 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, Sac Lincoln Center needs image optimization as it can save up to 5.1 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 28.4 kB

  • Original 41.5 kB
  • After minification 41.5 kB
  • After compression 13.1 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 28.4 kB or 68% of the original size.

CSS Optimization

-66%

Potential reduce by 2.1 kB

  • Original 3.1 kB
  • After minification 2.5 kB
  • After compression 1.1 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. Sac.lincolncenter.org needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 66% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sac Lincoln Center. According to our analytics all requests are already optimized.

Accessibility Review

sac.lincolncenter.org accessibility score

72

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

sac.lincolncenter.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

sac.lincolncenter.org SEO score

67

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

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 Sac.lincolncenter.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 Sac.lincolncenter.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 description is not detected on the main page of Sac Lincoln Center. 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: