Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

ssdl.gatech.edu

Home | Georgia Tech Space Systems Design Lab | Georgia Institute of Technology | Atlanta, GA

Page Load Speed

371 ms in total

First Response

70 ms

Resources Loaded

146 ms

Page Rendered

155 ms

ssdl.gatech.edu screenshot

About Website

Welcome to ssdl.gatech.edu homepage info - get ready to check Ssdl GA Tech best content for United States right away, or after learning these important things about ssdl.gatech.edu

Visit ssdl.gatech.edu

Key Findings

We analyzed Ssdl.gatech.edu page load time and found that the first response time was 70 ms and then it took 301 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

ssdl.gatech.edu performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value251.6 s

0/100

25%

SI (Speed Index)

Value121.2 s

0/100

10%

TBT (Total Blocking Time)

Value1,350 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.445

20/100

15%

TTI (Time to Interactive)

Value131.7 s

0/100

10%

Network Requests Diagram

ssdl.gatech.edu

70 ms

style.css

16 ms

randomImages.js

32 ms

logo.gif

35 ms

home.gif

34 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Ssdl.gatech.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (70 ms) belongs to the original domain Ssdl.gatech.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.7 kB (32%)

Content Size

48.3 kB

After Optimization

32.7 kB

In fact, the total size of Ssdl.gatech.edu main page is 48.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 26.9 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 7.3 kB

  • Original 11.4 kB
  • After minification 11.0 kB
  • After compression 4.1 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 7.3 kB or 64% of the original size.

Image Optimization

-0%

Potential reduce by 16 B

  • Original 26.9 kB
  • After minification 26.9 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. Ssdl GA Tech images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 2.1 kB

  • Original 2.6 kB
  • After minification 2.2 kB
  • After compression 495 B

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 2.1 kB or 81% of the original size.

CSS Optimization

-84%

Potential reduce by 6.3 kB

  • Original 7.5 kB
  • After minification 4.2 kB
  • After compression 1.2 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. Ssdl.gatech.edu needs all CSS files to be minified and compressed as it can save up to 6.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (53%)

Requests Now

15

After Optimization

7

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ssdl GA Tech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

ssdl.gatech.edu accessibility score

96

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

ssdl.gatech.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

SEO Factors

ssdl.gatech.edu SEO score

90

Search Engine Optimization Advices

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 Ssdl.gatech.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 Ssdl.gatech.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 Ssdl GA Tech. 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: