Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

laufercenter.stonybrook.edu

The Laufer Center

Page Load Speed

202 ms in total

First Response

50 ms

Resources Loaded

98 ms

Page Rendered

54 ms

About Website

Click here to check amazing Laufer Center Stonybrook content for United States. Otherwise, check out these important facts you probably never knew about laufercenter.stonybrook.edu

Visit laufercenter.stonybrook.edu

Key Findings

We analyzed Laufercenter.stonybrook.edu page load time and found that the first response time was 50 ms and then it took 152 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

laufercenter.stonybrook.edu performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value6,660 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value19.2 s

2/100

10%

Network Requests Diagram

laufercenter.stonybrook.edu

50 ms

laufercenter.stonybrook.edu

48 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Laufercenter.stonybrook.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (50 ms) belongs to the original domain Laufercenter.stonybrook.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 823.3 kB (53%)

Content Size

1.6 MB

After Optimization

735.1 kB

In fact, the total size of Laufercenter.stonybrook.edu main page is 1.6 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Javascripts take 792.0 kB which makes up the majority of the site volume.

HTML Optimization

-7%

Potential reduce by 8 B

  • Original 110 B
  • After minification 110 B
  • After compression 102 B

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. This web page is already compressed.

Image Optimization

-3%

Potential reduce by 14.2 kB

  • Original 438.8 kB
  • After minification 424.6 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. Laufer Center Stonybrook images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 535.9 kB

  • Original 792.0 kB
  • After minification 785.0 kB
  • After compression 256.1 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 535.9 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 273.1 kB

  • Original 327.5 kB
  • After minification 307.9 kB
  • After compression 54.4 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. Laufercenter.stonybrook.edu needs all CSS files to be minified and compressed as it can save up to 273.1 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

laufercenter.stonybrook.edu accessibility score

94

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-hidden="true"] elements contain focusable descendents

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

laufercenter.stonybrook.edu best practices score

92

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

Page has valid source maps

SEO Factors

laufercenter.stonybrook.edu SEO score

84

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

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Laufercenter.stonybrook.edu 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 Laufercenter.stonybrook.edu main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Laufer Center Stonybrook. 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: