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sans.cns.org: Institution License | Congress of Neurological Surgeons

Self-Assessment in Neurosurgery SANS is an interactive educational curriculum designed to reinforce current practice patterns and recognize knowledge gaps, making it a critical component of certificat...

Page load speed analysis

  • 80/100

    Good result
  • 4

    Successful tests
  • 4

    Failed tests
  • First response

    137 ms

  • Resources loaded

    335 ms

  • Page rendered

    102 ms

  • Total page load time

    574 ms

Visit sans.cns.org now to see the best up-to-date Sans Cns content for Lebanon and also check out these interesting facts you probably never knew about sans.cns.org

We analyzed Sans.cns.org page load time and found that the first response time was 137 ms and then it took 437 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Page optimization

  • HTML 8.5 kB
    Images 19.5 kB
    Javascripts 569.0 kB
    CSS 21.3 kB

    In fact, the total size of Sans.cns.org main page is 618.3 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. 15% of websites need less resources to load. Javascripts take 569.0 kB which makes up the majority of the site volume.

    • Original 8.5 kB
    • After minification 7.7 kB
    • After compression 3.4 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 5.1 kB or 60% of the original size.

    • Original 19.5 kB
    • After optimization 19.5 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. Sans Cns images are well optimized though.

    • Original 569.0 kB
    • After minification 369.1 kB
    • After compression 83.2 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 485.7 kB or 85% of the original size.

    • Original 21.3 kB
    • After minification 16.1 kB
    • After compression 3.9 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. Sans.cns.org needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 82% of the original size.

Network requests diagram

  • sans.cns.org
  • jquery.js
  • jquery_Modal.js
  • main.js
  • resetReloaded.css
  • styles.css
  • basic.css
  • WebResource.axd
  • ScriptResource.axd
  • ScriptResource.axd
  • ga.js
  • bg.gif
  • bg_navCNS.gif
  • logo.gif
  • bg_navTop.gif
  • bg_column.gif
  • btn_login.gif
  • bg_divider.gif
  • btn_group.gif
  • cns_membership.jpg
  • __utm.gif

Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Sans.cns.org, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (154 ms) belongs to the original domain Sans.cns.org.

Additional info on sans.cns.org

Requests

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sans Cns. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

7

Javascripts

10

Images

3

CSS

20

All

Possible request optimization

1

Javascripts

5

Images

3

CSS

11

Optimized

9

All

Good result

IP address

Sans.cns.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

sans.cns.org

w3.cns.org

wiki.cns.org

2015.cns.org

2016.cns.org

198.61.157.2

DNS records

Type Host Target/ip TTL Other
A

sans.cns.org

198.61.157.2 86400

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 Sans.cns.org 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 Sans.cns.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

Sans.cns.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 15.7% of all visits is Lebanon. It lies approximately 7140 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 Sans.cns.org page load time for the majority of users is moving the server to Lebanon or just closer to the user base.

Poor result

Poor result

Social Sharing Optimization

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

sans.cns.org

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