Tools & Wizards About Us
mars.asu.edu screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

mars.asu.edu

Mars Space Flight Facility at Arizona State University

Page Load Speed

1.3 sec in total

First Response

138 ms

Resources Loaded

708 ms

Page Rendered

441 ms

mars.asu.edu screenshot

About Website

Visit mars.asu.edu now to see the best up-to-date Mars Asu content for United States and also check out these interesting facts you probably never knew about mars.asu.edu

At Mars Space Flight Facility, housed in the Moeur Building on the Tempe campus, scientists and researchers are using instruments on spacecraft on Mars to explore the geology and mineralogy of the Red...

Visit mars.asu.edu

Key Findings

We analyzed Mars.asu.edu page load time and found that the first response time was 138 ms and then it took 1.1 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

mars.asu.edu performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

mars.asu.edu

138 ms

gjj3fjm.css

332 ms

aos.css

52 ms

main.css

63 ms

jquery-3.4.1.min.js

41 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 58% of them (14 requests) were addressed to the original Mars.asu.edu, 25% (6 requests) were made to Use.typekit.net and 8% (2 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (547 ms) belongs to the original domain Mars.asu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.2 kB (0%)

Content Size

1.4 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mars.asu.edu main page is 1.4 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. 35% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 4.0 kB

  • Original 5.5 kB
  • After minification 4.7 kB
  • After compression 1.5 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 816 B, which is 15% 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 4.0 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 15 B

  • Original 1.4 MB
  • After minification 1.4 MB

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. Mars Asu images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 24 B

  • Original 35 B
  • After minification 11 B
  • After compression 11 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 24 B or 69% of the original size.

CSS Optimization

-8%

Potential reduce by 112 B

  • Original 1.3 kB
  • After minification 1.3 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. Mars.asu.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (17%)

Requests Now

18

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mars Asu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

mars.asu.edu

mars.asu.edu

138 ms

gjj3fjm.css

gjj3fjm.css

332 ms

aos.css

aos.css

52 ms

main.css

main.css

63 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

41 ms

aos.js

aos.js

62 ms

scripts.js

scripts.js

121 ms

overview.jpg

overview.jpg

426 ms

msff-logo.png

msff-logo.png

181 ms

thumb-mars-images.jpg

thumb-mars-images.jpg

428 ms

thumb-themis.jpg

thumb-themis.jpg

251 ms

thumb-mars-data.jpg

thumb-mars-data.jpg

306 ms

thumb-research-tools.jpg

thumb-research-tools.jpg

421 ms

thumb-mars-asu.jpg

thumb-mars-asu.jpg

363 ms

thumb-themis-camera.jpg

thumb-themis-camera.jpg

441 ms

christensen-logo.svg

christensen-logo.svg

366 ms

nasa-logo.svg

nasa-logo.svg

547 ms

sese-logo.svg

sese-logo.svg

431 ms

p.css

p.css

41 ms

d

d

20 ms

d

d

19 ms

d

d

106 ms

d

d

97 ms

d

d

15 ms

Accessibility Review

mars.asu.edu accessibility score

91

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

mars.asu.edu 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

mars.asu.edu SEO score

100

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

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 Mars.asu.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 Mars.asu.edu 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

mars.asu.edu

Open Graph description is not detected on the main page of Mars Asu. 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: