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cs312.osuosl.org: CS 312 - Linux System Administration — CS312 1.0 documentation

Page load speed analysis

  • 73/100

    Good result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    377 ms

  • Resources loaded

    1.2 sec

  • Page rendered

    118 ms

  • Total page load time

    1.7 sec

Welcome to cs312.osuosl.org homepage info - get ready to check CS 312 Osuosl best content for United States right away, or after learning these important things about cs312.osuosl.org

We analyzed Cs312.osuosl.org page load time and found that the first response time was 377 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 20% of websites can load faster.

Page optimization

  • HTML 19.5 kB
    Images 0 B
    Javascripts 481.8 kB
    CSS 103.6 kB

    In fact, the total size of Cs312.osuosl.org main page is 604.8 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. 25% of websites need less resources to load. Javascripts take 481.8 kB which makes up the majority of the site volume.

    • Original 19.5 kB
    • After minification 18.6 kB
    • After compression 5.0 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 14.5 kB or 74% of the original size.

    • Original 481.8 kB
    • After minification 476.3 kB
    • After compression 150.1 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 331.6 kB or 69% of the original size.

    • Original 103.6 kB
    • After minification 103.3 kB
    • After compression 19.0 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. Cs312.osuosl.org needs all CSS files to be minified and compressed as it can save up to 84.5 kB or 82% of the original size.

Network requests diagram

  • cs312.osuosl.org
  • theme.css
  • modernizr.min.js
  • jquery.js
  • underscore.js
  • doctools.js
  • MathJax.js
  • theme.js
  • ga.js
  • __utm.gif
  • Lato-Regular.ttf
  • Lato-Bold.ttf
  • fontawesome-webfont.woff
  • RobotoSlab-Bold.ttf
  • RobotoSlab-Regular.ttf
  • TeX-AMS-MML_HTMLorMML.js

Our browser made a total of 16 requests to load all elements on the main page. We found that 75% of them (12 requests) were addressed to the original Cs312.osuosl.org, 13% (2 requests) were made to Cdn.mathjax.org and 13% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (556 ms) belongs to the original domain Cs312.osuosl.org.

Additional info on cs312.osuosl.org

Requests

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CS 312 Osuosl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

8

Javascripts

1

Images

1

CSS

5

AJAX

15

All

Possible request optimization

1

Javascripts

1

Images

1

CSS

5

AJAX

7

Optimized

8

All

Good result

IP address

Cs312.osuosl.org 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

cs312.osuosl.org

refspecs.linuxfoundation.org

osuosl.org

refspecs.linuxbase.org

lists.openid.net

140.211.9.53

DNS records

Type Host Target/ip TTL Other
A

vip-lb1.osuosl.org

140.211.9.53 60
CNAME

cs312.osuosl.org

vip-lb1.osuosl.org 59
AAAA

vip-lb1.osuosl.org

60 Ipv6: 2605:bc80:3010:104::8cd3:935

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cs312.osuosl.org 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 Cs312.osuosl.org 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

Cs312.osuosl.org 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 27.5% of all visits is United States. It’s good for Cs312.osuosl.org 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 312 Osuosl. 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:

cs312.osuosl.org

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