Tools & Wizards About Us
mars.asu.edu screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

mars.asu.edu

Mars Space Flight Facility at Arizona State University

Page Load Speed

14.6 sec in total

First Response

248 ms

Resources Loaded

14.2 sec

Page Rendered

154 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 248 ms and then it took 14.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

mars.asu.edu performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

mars.asu.edu

248 ms

CSScriptLib.js

65 ms

AC_RunActiveContent.js

131 ms

mars.asu.edu

130 ms

header_main.gif

370 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 93% of them (26 requests) were addressed to the original Mars.asu.edu, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (13.4 sec) belongs to the original domain Mars.asu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.5 kB (37%)

Content Size

33.7 kB

After Optimization

21.2 kB

  • HTML
  • JavaScript

In fact, the total size of Mars.asu.edu main page is 33.7 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. 20% of websites need less resources to load. Javascripts take 25.7 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 5.7 kB

  • Original 8.0 kB
  • After minification 7.5 kB
  • After compression 2.3 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 5.7 kB or 71% of the original size.

JavaScript Optimization

-26%

Potential reduce by 6.8 kB

  • Original 25.7 kB
  • After minification 22.8 kB
  • After compression 19.0 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 6.8 kB or 26% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

27

After Optimization

27

  • AJAX
  • Images
  • JavaScript

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mars Asu. According to our analytics all requests are already optimized.

Network Requests Diagram

mars.asu.edu

mars.asu.edu

248 ms

CSScriptLib.js

CSScriptLib.js

65 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

131 ms

mars.asu.edu

mars.asu.edu

130 ms

header_main.gif

header_main.gif

370 ms

nav_images.gif

nav_images.gif

249 ms

nav_features.gif

nav_features.gif

310 ms

nav_data.gif

nav_data.gif

188 ms

nav_tool.gif

nav_tool.gif

252 ms

nav_atasu.gif

nav_atasu.gif

253 ms

nav_themis.gif

nav_themis.gif

254 ms

slide_ANIMATE.gif

slide_ANIMATE.gif

13393 ms

msff-new3.gif

msff-new3.gif

318 ms

SESEebo_mgb.gif

SESEebo_mgb.gif

317 ms

ga.js

ga.js

5 ms

__utm.gif

__utm.gif

13 ms

nav_atasu.gif

nav_atasu.gif

67 ms

image_atasu.gif

image_atasu.gif

372 ms

nav_features.gif

nav_features.gif

249 ms

image_features.gif

image_features.gif

371 ms

nav_data.gif

nav_data.gif

249 ms

image_data.gif

image_data.gif

371 ms

nav_images.gif

nav_images.gif

131 ms

image_images.gif

image_images.gif

258 ms

nav_tool.gif

nav_tool.gif

374 ms

image_tool.gif

image_tool.gif

434 ms

nav_themis.gif

nav_themis.gif

544 ms

image_themis.gif

image_themis.gif

494 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: