Homepage - CMU - Carnegie Mellon University
Analyze Homepage - CMU - Carnegie Mellon University

CMU is a global research university known for its world-class, interdisciplinary programs: arts, business, computing, engineering, humanities, policy and science.

Page load speed analysis

  • First response

    570 ms

  • Resources loaded

    13.88 sec

  • Page rendered

    829 ms

  • Total page load time

    15.27 sec

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We analyzed page load time and found that the first response time was 570 ms and then it took 14.7 sec to load all DOM resources and completely render a web page.

Page optimization

  • HTML 15.81 Kb
    Images 898.66 Kb
    Javascripts 272.07 Kb
    CSS 14.25 Kb

    In fact, the total size of main page is 928.72 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. 65% of websites need less resources to load.Images take 898.66 Kb which makes up the majority of the site volume.

    • Original 15.81 Kb
    • After minification 15.02 Kb
    • After compression 5.22 Kb

    HTML optimization

    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 5.22 Kb or 67% of the original size.

    • Original 898.66 Kb
    • After optimization 817.78 Kb

    Image optimization

    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. Cmu needs image optimization as it can save up to 817.78 Kb or 91% of the original volume..The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 272.07 Kb
    • After minification 253.03 Kb
    • After compression 51.69 Kb

    JavaScript optimization

    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 51.69 Kb or 19% of the original size.

    • Original 14.25 Kb
    • After minification 13.82 Kb
    • After compression 2.14 Kb

    CSS optimization

    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 needs all CSS files to be minified and compressed as it can save up to 2.14 Kb or 15% of the original size.

Network requests diagram

  • css
  • main.min.css
  • css
  • list.min.js
  • jquery-1.10.1.min.js
  • main.min.js
  • iframe_api
  • tubular-reload.min.js
  • rellax.min.js
  • __utm.js
  • gtm.js
  • cmu-wordmark-square-red-900x900.png
  • icon-magnify-black.png
  • pipers-1000x1000.jpg
  • buggy-women-1400x1400-min.jpg
  • campaign-banner-desktop.jpg
  • campaign-banner-mobile_red.png
  • icon-placeholder.png
  • headspace-1000x1000-min.jpg
  • miller-institute-investigative-living-1000x1000.jpg
  • cmu-students-600x600.jpg
  • pausch-bridge-600x600.jpg
  • swartz-center-600x600.jpg
  • cmu-sunny-campus-600x600.jpg
  • instagram-footer.jpg
  • mem8YaGs126MiZpBA-UFVZ0e.ttf
  • mem5YaGs126MiZpBA-UN_r8OUuhs.ttf
  • mem5YaGs126MiZpBA-UN7rgOUuhs.ttf
  • sprites-social.png
  • icon-leave-site-grey.png
  • neIQzD-0qpwxpaWvjeD0X88SAOeauXQ-pQ.ttf
  • instagram-logo.png
  • www-widgetapi.js
  • __utm.gif
  • pipers-2000x1000.jpg
  • icon-leave-site-white.png
  • cmu-wordmark.png
  • siteanalyze_18633.js
  • activityi
  • js
  • collect
  • collect
  • src=6255283
  • generic
  • rightmedia
  • image.aspx
  • print.min.css
  • rss
  • instagram
  • accessible-memes-900x600-min1.jpg
  • obituary-lowry-burgess-900x600-min.jpg
  • hebert-dean-installation-900x600-min.jpg
  • major-decisions-900x600-min.jpg
  • cmu-open-access-with-acm-900x600-01-min.jpg
  • experts-design-to-impact-2020-900x6001.jpg
  • 82339769_175237657065723_8079182376833692014_n.jpg

Our browser made a total of 57 requests and 3 domains to load all elements on the main page.We found that 67% of them (38 requests) were addressed to the original,7% (4 request) were made to fonts.gstatic.comand 7.% (3 request) were made to less responsive or slowest element that took the longest time to load (966 ms) relates to the external pipers-2000x1000.jpg.

Additional info on


The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cmu. According to our analytics all requests are already optimized.









Possible request optimization











Good result

IP address uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

DNS records

Type Info
MXMX preference = 10, Mail exchanger =
MXMX preference = 10, Mail exchanger =
MXMX preference = 10, Mail exchanger =
MXMX preference = 10, Mail exchanger = 9976483 900 450 3600000 21600
TXT"[NRDR 31057_IN_TXT_00df4000000231leaa QSq9rQj5GCBh30pVnLGMtQ]"
TXT"[NRDR jxEj2x9CC1Gu8ePZldY84w]"
TXT"[NRDR 33014_IN_TXT_ZOOM_verify_FruZuJfdTeW1OOezpsuIVA +31oybl7gh2i74ky0SLQcg]"
TXT"[NRDR 16337_IN_LOC_40.26.39.0.N. 5PS/aNXhz6qcZ6tfoRdgeQ]"
TXT"[NRDR 29013_IN_TXT_MS=85B9975FF0635EF2188AF1EF7675923CC7825A4A cCexyjtmNpDSGRRiOe5vFQ]"
TXT"[NRDR 32847_IN_TXT_facebook-domain-verification=vxpo0xkores42yfj9ggcdd2o2d2v2n 9I1LCDr7zb+jK0IoSEFayA]"
TXT"[NRDR 30017_IN_TXT_google-site-verification=O2gyijlOW-8BSOghh0tL_4N1PlWU_qznkYhUA22dLJ0 PiRIS0yTtnNYmTWYpWCCVw]"
TXT"[NRDR 32936_IN_TXT_r4bgkix7EqRv+dJHKYelMrye44oR+366MsSA0lCP0TOcMK8wfs0bpTMDP1tLTZ66OFh0Qx+ZMLBCeVx0NJ3syQ== tGCEAk5qNOFhWjjp1w58vw]"
TXT"[NRDR AN-23811_IN_A_128.2.42.10 JRwwvtp22mouAVo7Ye6sJQ]"
TXT"[NRDR 26772_IN_MX_10.CMU-MX-02.ANDREW.CMU.EDU. ccfbiOsVwc/h78SbR9P2dA]"
TXT"[NRDR 29296_IN_MX_10.CMU-MX-04.ANDREW.CMU.EDU. WVg1RvVFiB6ZhNwE/ekobw]"
TXT"v=spf1 ~all"

Language and encoding

Normal result


ENsv language flag


ENsv language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our system also found out that 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.

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HTTPS certificate

SSL Certificate

Wonderful, has SSL certificate.

Good result

Visitor World Map

Country of origin for 80% of all visits is Australian. It lies approximately 5150 miles away from the server location (United States) and such a long distance can negatively affect website speed, as it takes some time for data to travel back and forth between those places. That’s why one of the best ways to speed up page load time for the majority of users is moving the server to Australian or just closer to the user base.

Poor result

Good result

Social Sharing Optimization

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

CMU is a global research university known for its world-class, interdisciplinary programs: arts, business, computing, engineering, humanities, policy and science.

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