Analyze

Caltech Engineering and Applied Science Mechanical and Civil Engineering Department website

Page load speed analysis

  • 46/100

    Normal result
  • 4

    Successful tests
  • 4

    Failed tests
  • First response

    456 ms

  • Resources loaded

    2.6 sec

  • Page rendered

    195 ms

  • Total page load time

    3.3 sec

Welcome to me.caltech.edu homepage info - get ready to check Me Caltech best content for United States right away, or after learning these important things about me.caltech.edu

We analyzed Me.caltech.edu page load time and found that the first response time was 456 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Page optimization

  • HTML 32.1 kB
    Images 1.9 MB
    Javascripts 278.1 kB
    CSS 100.7 kB

    In fact, the total size of Me.caltech.edu main page is 2.3 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. 55% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

    • Original 32.1 kB
    • After minification 32.0 kB
    • After compression 7.0 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 25.0 kB or 78% of the original size.

    • Original 1.9 MB
    • After optimization 1.7 MB

    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. Me Caltech images are well optimized though.

    • Original 278.1 kB
    • After minification 275.5 kB
    • After compression 91.7 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 186.4 kB or 67% of the original size.

    • Original 100.7 kB
    • After minification 91.1 kB
    • After compression 19.8 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 rendered. Me.caltech.edu needs all CSS files to be minified and compressed as it can save up to 80.9 kB or 80% of the original size.

Network requests diagram

  • me.caltech.edu
  • www.mce.caltech.edu
  • application-992faa93576578b0c261e67c0db8b3d78b3e7235ec358bc6c0fcaf31161006e0.css
  • application-5cb7dfedb551cc0e2a412141f716df3d7010fb377c63f67c719dcdca25dcd27f.js
  • jsapi
  • bg-header2.jpg
  • close-5d62e6c90005bfb71f6abb440f9e4753681cb23bbd5e60477ab6f442d2f0e69c.png
  • loading-225aa88b6ab02c06222ec9468d62e15fa188e39cdb9431d1f55401ad380753ed.gif
  • prev-7fd9273f20fdb1229c224341271a119020a5eee74ccf6b4605730917c864caf2.png
  • next-15b869b02c6fbaa8c6c26445a2dd2d9bad80fd27b1409f8179e5dd89dc89d90a.png
  • eas-division.png
  • home-icon-old.png
  • banner-1.jpg
  • banner-3.jpg
  • banner-4.jpg
  • banner-5.jpg
  • banner-6.jpg
  • banner-7.jpg
  • banner-8.jpg
  • mce-logotype.png
  • caltech.png
  • dept-mce.png
  • none.gif
  • mce-logo.png
  • bg-two-col-box.gif
  • hall-j.jpg
  • gross-b.jpg
  • reisman-g.jpg
  • conn-r.jpg
  • dugan-r.jpg
  • jain-s.jpg
  • sur-t.jpg
  • daly-s.jpg
  • scruggs-j.jpg
  • sells-m.jpg
  • stanislova-p.jpg
  • 1.jpg
  • 2.jpg
  • 3.jpg
  • 4.jpg
  • 5.jpg
  • 6.jpg
  • 7.jpg
  • 1.jpg
  • 3.jpg
  • ga.js
  • 4.jpg
  • cse.js
  • bx_loader-6d46e2cf165a5a0584afba7bc9663da292ee08c97cfc7613de6013ed05be892a.gif
  • 6.jpg
  • 7.jpg
  • 8.jpg
  • 9.jpg
  • 10.jpg
  • 12.jpg
  • 13.jpg
  • friction.jpg
  • austin-minnich.jpg
  • ares_rosakis.jpg
  • Caltech_LOGO-BLACK.png
  • bg-top.gif
  • print-3b58ab4aef46570cc1153b3ac9bfb5b6a5b82e3ef90eea948f117e816f8e3e9c.css

Our browser made a total of 62 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Me.caltech.edu, 79% (49 requests) were made to D39s7jey1vv9fu.cloudfront.net and 15% (9 requests) were made to Mce.caltech.edu. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Mce.caltech.edu.

Additional info on me.caltech.edu

Requests

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Me Caltech. 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 JavaScripts and as a result speed up the page load time.

4

Javascripts

54

Images

2

CSS

60

All

Possible request optimization

1

Javascripts

54

Images

2

CSS

3

Optimized

57

All

Normal result

Redirects

As for redirects, our browser was forwarded to http://www.mce.caltech.edu/ before it reached this domain.

IP address

Me.caltech.edu 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

me.caltech.edu

matsci.caltech.edu

ese.caltech.edu

galcit.caltech.edu

aph.caltech.edu

131.215.243.71

DNS records

Type Host Target/ip TTL Other
A

v-eas-web11.eas.caltech.edu

131.215.243.71 21599
CNAME

me.caltech.edu

v-eas-web11.eas.caltech.edu 21599

Language and encoding

Poor result

Language

N/A  language flag

Detected

EN en language flag

Claimed

Encoding

ISO-8859-1

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Me.caltech.edu can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Me.caltech.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.

HTTPS certificate

SSL Certificate

Me.caltech.edu has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 38.4% of all visits is United States. It’s good for Me.caltech.edu that their server is also located in United States, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

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

me.caltech.edu

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