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Report Summary

  • 0

    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

athena.cornell.edu

Mission to Mars

Page Load Speed

2.4 sec in total

First Response

1 sec

Resources Loaded

1.2 sec

Page Rendered

183 ms

athena.cornell.edu screenshot

About Website

Click here to check amazing Athena Cornell content for United States. Otherwise, check out these important facts you probably never knew about athena.cornell.edu

Cornell University, NASA's JPL and Bill Nye present the next mission to the planet Mars: Athena in 2003. Images, at-home experiments for kids and lesson plans compliment details of mission goals and p...

Visit athena.cornell.edu

Key Findings

We analyzed Athena.cornell.edu page load time and found that the first response time was 1 sec and then it took 1.3 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

athena.cornell.edu performance score

0

Network Requests Diagram

athena.cornell.edu

1033 ms

down.js

36 ms

home3.js

37 ms

fpi-init.js

39 ms

fpi-writevb.js

38 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that all of those requests were addressed to Athena.cornell.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Athena.cornell.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.7 kB (21%)

Content Size

232.0 kB

After Optimization

182.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Athena.cornell.edu main page is 232.0 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. Only 10% of websites need less resources to load. Images take 186.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 24.6 kB

  • Original 30.6 kB
  • After minification 28.6 kB
  • After compression 6.0 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 24.6 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 14.2 kB

  • Original 186.2 kB
  • After minification 172.0 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. Athena Cornell images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 6.3 kB

  • Original 9.4 kB
  • After minification 7.9 kB
  • After compression 3.1 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 6.3 kB or 67% of the original size.

CSS Optimization

-78%

Potential reduce by 4.5 kB

  • Original 5.8 kB
  • After minification 3.9 kB
  • After compression 1.3 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. Athena.cornell.edu needs all CSS files to be minified and compressed as it can save up to 4.5 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (58%)

Requests Now

48

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Athena Cornell. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

athena.cornell.edu

athena.cornell.edu

1033 ms

down.js

down.js

36 ms

home3.js

home3.js

37 ms

fpi-init.js

fpi-init.js

39 ms

fpi-writevb.js

fpi-writevb.js

38 ms

fpi-main.js

fpi-main.js

39 ms

home_v3.css

home_v3.css

35 ms

homexl.css

homexl.css

19 ms

r_bg.gif

r_bg.gif

19 ms

hdr.jpg

hdr.jpg

54 ms

kids.gif

kids.gif

19 ms

educators.gif

educators.gif

20 ms

marsfacts.gif

marsfacts.gif

20 ms

themission.gif

themission.gif

19 ms

gallery.gif

gallery.gif

22 ms

news.gif

news.gif

20 ms

home-down.gif

home-down.gif

22 ms

right.gif

right.gif

20 ms

bottom.gif

bottom.gif

37 ms

s.gif

s.gif

38 ms

bg_top_v2.jpg

bg_top_v2.jpg

19 ms

mubss8.gif

mubss8.gif

20 ms

pancam_hdr.gif

pancam_hdr.gif

20 ms

in_hdr.gif

in_hdr.gif

21 ms

pancam_btn.gif

pancam_btn.gif

21 ms

fpi-swap-newphotos_v3.js

fpi-swap-newphotos_v3.js

37 ms

mu_bg.jpg

mu_bg.jpg

18 ms

jpl_hdr.gif

jpl_hdr.gif

18 ms

mu_btn.gif

mu_btn.gif

18 ms

in_bg.jpg

in_bg.jpg

22 ms

in_blt.gif

in_blt.gif

22 ms

mu_ftr.gif

mu_ftr.gif

21 ms

in_ftr.gif

in_ftr.gif

21 ms

jpl_blurb_top.jpg

jpl_blurb_top.jpg

35 ms

mersite_top.jpg

mersite_top.jpg

39 ms

jpl_blurb_bot.jpg

jpl_blurb_bot.jpg

37 ms

mersite_bot.jpg

mersite_bot.jpg

53 ms

4kids2.jpg

4kids2.jpg

55 ms

news_hdr.gif

news_hdr.gif

51 ms

res_hdr.gif

res_hdr.gif

18 ms

featured_img.js

featured_img.js

19 ms

logos.gif

logos.gif

22 ms

blueberries.jpg

blueberries.jpg

73 ms

kids-over.gif

kids-over.gif

20 ms

educators-over.gif

educators-over.gif

20 ms

marsfacts-over.gif

marsfacts-over.gif

20 ms

themission-over.gif

themission-over.gif

23 ms

gallery-over.gif

gallery-over.gif

23 ms

news-over.gif

news-over.gif

23 ms

SEO Factors

athena.cornell.edu SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Athena.cornell.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Athena.cornell.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

athena.cornell.edu

Open Graph description is not detected on the main page of Athena Cornell. 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: