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cs.sfsu.edu: Department of Computer Science |

Page load speed analysis

  • 61/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    476 ms

  • Resources loaded

    1.1 sec

  • Page rendered

    249 ms

  • Total page load time

    1.8 sec

Click here to check amazing Cs Sfsu content for United States. Otherwise, check out these important facts you probably never knew about cs.sfsu.edu

We analyzed Cs.sfsu.edu page load time and found that the first response time was 476 ms and then it took 1.4 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.

Page optimization

  • HTML 35.5 kB
    Images 131.2 kB
    Javascripts 73.8 kB
    CSS 0 B

    In fact, the total size of Cs.sfsu.edu main page is 240.6 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 131.2 kB which makes up the majority of the site volume.

    • Original 35.5 kB
    • After minification 33.0 kB
    • After compression 6.2 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 29.4 kB or 83% of the original size.

    • Original 131.2 kB
    • After optimization 125.6 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. Cs Sfsu images are well optimized though.

    • Original 73.8 kB
    • After minification 68.0 kB
    • After compression 21.7 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 52.1 kB or 71% of the original size.

Network requests diagram

  • cs.sfsu.edu
  • mm_menu.js
  • Facebook-icon.png
  • twitter-logo-icon-by-jon-bennallick-02.png
  • sfsu07.jpg
  • go.gif
  • arrow_rt_mb.gif
  • Singh_story.jpg
  • ga.js
  • __utm.gif

Our browser made a total of 10 requests to load all elements on the main page. We found that 60% of them (6 requests) were addressed to the original Cs.sfsu.edu, 20% (2 requests) were made to Google-analytics.com and 10% (1 request) were made to Icons.iconarchive.com. The less responsive or slowest element that took the longest time to load (476 ms) belongs to the original domain Cs.sfsu.edu.

Additional info on cs.sfsu.edu

Requests

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cs Sfsu. According to our analytics all requests are already optimized.

2

Javascripts

7

Images

9

All

Possible request optimization

2

Javascripts

7

Images

0

Optimized

9

All

Good result

IP address

Cs.sfsu.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

cs.sfsu.edu

at.sfsu.edu

cel.sfsu.edu

coe.sfsu.edu

beca.sfsu.edu

209.61.166.133

DNS records

Type Host Target/ip TTL Other
A

web.sfsu.edu

209.61.166.133 600
CNAME

cs.sfsu.edu

web.sfsu.edu 600

Language and encoding

Poor result

Language

EN en language flag

Detected

N/A  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 Cs.sfsu.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 Cs.sfsu.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

Cs.sfsu.edu has a valid and up-to-date SSL certificate that expires on December 22, 2019.

Good result

Visitor World Map

Country of origin for 87.9% of all visits is United States. It’s good for Cs.sfsu.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 Cs Sfsu. 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:

cs.sfsu.edu

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