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sustainability.stanford.edu: Students for a Sustainable Stanford - Students for a Sustainable Stanford

Students for a Sustainable Stanford works to ensure that environmental sustainability is a core principle behind social, structural, and educational development in our university and wider...

Page load speed analysis

  • 14/100

    Poor result
  • 3

    Successful tests
  • 5

    Failed tests
  • First response

    1.5 sec

  • Resources loaded

    2.9 sec

  • Page rendered

    248 ms

  • Total page load time

    4.6 sec

Visit sustainability.stanford.edu now to see the best up-to-date Sustainability Stanford content for United States and also check out these interesting facts you probably never knew about sustainability.stanford.edu

We analyzed Sustainability.stanford.edu page load time and found that the first response time was 1.5 sec and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster. This domain responded with an error, which can significantly jeopardize Sustainability.stanford.edu rating and web reputation

Page optimization

  • HTML 22.4 kB
    Images 812.4 kB
    Javascripts 2.3 MB
    CSS 205.1 kB

    In fact, the total size of Sustainability.stanford.edu main page is 3.4 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. 60% of websites need less resources to load. Javascripts take 2.3 MB which makes up the majority of the site volume.

    • Original 22.4 kB
    • After minification 21.6 kB
    • After compression 5.4 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 17.0 kB or 76% of the original size.

    • Original 812.4 kB
    • After optimization 811.3 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. Sustainability Stanford images are well optimized though.

    • Original 2.3 MB
    • After minification 2.3 MB
    • After compression 515.8 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 1.8 MB or 78% of the original size.

    • Original 205.1 kB
    • After minification 198.5 kB
    • After compression 32.9 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. Sustainability.stanford.edu needs all CSS files to be minified and compressed as it can save up to 172.1 kB or 84% of the original size.

Network requests diagram

  • sustainability.stanford.edu
  • www.studentsforasustainablestanford.weebly.com
  • studentsforasustainablestanford.weebly.com
  • sites.css
  • fancybox.css
  • social-icons.css
  • main_style.css
  • css
  • css
  • jquery.min.js
  • main.js
  • ftl.js
  • css
  • footerSignup.js
  • plugins.js
  • custom.js
  • mobile.js
  • 987338098.jpg
  • footer-s48158ed9f7.png
  • 1443175050.png
  • analytics.js
  • sp.js
  • footer_signup.php
  • ga.js
  • quant.js
  • IQHow_FEYlDC4Gzy_m8fcvEr6Hm6RMS0v1dtXsGir4g.ttf
  • zhcz-_WihjSQC0oHJ9TCYC3USBnSvpkopQaUR-2r7iU.ttf
  • 4GwpJM7qx9X5Obd9KsnKxQ.ttf
  • BTu4SsVveqk58cdYjlaM9g.ttf
  • zpv3sOKAbMf4wff105oLjw.ttf
  • 267447_5_0.woff
  • 267447_4_0.woff
  • pixel;r=2117722306;a=p-0dYLvhSGGqUWo;labels=l0%2Cu12805884.u12805884s824062214999791675;fpan=1;fpa=P0-1429668378-1458235138337;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1458235138337;tzo=-180;ref=;url=http%3A%2F%2Fstudentsforasustainablestanford.weebly.com%2F;ogl=site_name.Students%20for%20a%20Sustainable%20Stanford%2Ctitle.Students%20for%20a%20Sustainable%20Stanford%2Cdescription.Students%20for%20a%20Sustainable%20Stanford%20works%20to%20ensure%20that%20environmental%20sustainab%2Cimage.http%3A%2F%2Fstudentsforasustainablestanford%252Eweebly%252Ecom%2Fuploads%2F1%2F2%2F8%2F0%2F12805884%2F14431%2Curl.http%3A%2F%2Fstudentsforasustainablestanford%252Eweebly%252Ecom%2F
  • __utm.gif
  • footer-signup.css
  • prototype.min.js
  • utl.js
  • footerSignupFrame.js
  • placeholder_labels.js
  • weebly_ensure_account.js

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Sustainability.stanford.edu, 30% (12 requests) were made to Cdn2.editmysite.com and 18% (7 requests) were made to Studentsforasustainablestanford.weebly.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Sustainability.stanford.edu.

Additional info on sustainability.stanford.edu

Requests

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sustainability Stanford. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

15

Javascripts

5

Images

8

CSS

1

AJAX

29

All

Possible request optimization

1

Javascripts

5

Images

1

CSS

1

AJAX

21

Optimized

8

All

Poor result

Redirects

As for redirects, our browser reached this domain in two steps. The first redirect led to http://www.studentsforasustainablestanford.weebly.com, then it was forwarded to http://studentsforasustainablestanford.weebly.com/, and finally we managed to open this domain. We strongly recommend that the redirects should be reduced, as the more redirects a site has, the slower it loads.

IP address

Sustainability.stanford.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

sustainability.stanford.edu

wellness.stanford.edu

communication.stanford.edu

ask.stanford.edu

www-stat.stanford.edu

171.67.216.22

DNS records

Type Host Target/ip TTL Other
A

proxy2.stanford.edu

171.67.216.22 1795
CNAME

sustainability.stanford.edu

proxy-service.best.stanford.edu 1775

Language and encoding

Normal result

Language

EN en language flag

Detected

N/A  language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sustainability.stanford.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 Sustainability.stanford.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.

HTTPS certificate

SSL Certificate

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

Poor result

Visitor World Map

Country of origin for 42% of all visits is United States. It’s good for Sustainability.stanford.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

Good result

Social Sharing Optimization

Open Graph data is detected on the main page of Sustainability Stanford. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

sustainability.stanford.edu

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