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From GitBox <...@apache.org>
Subject [GitHub] [incubator-mxnet] ys2843 opened a new issue #18422: MXNet Website 2.0 - Slow Site Speed in China
Date Wed, 27 May 2020 23:42:21 GMT

ys2843 opened a new issue #18422:
URL: https://github.com/apache/incubator-mxnet/issues/18422


   ## Summary
   
   Due to lack of available CDN in China from Apache, MXNet website is hosted in Japan for
Chinese visitors [1]. According to the Q1 2020 Google Analytics report, it took 20 second
on average to load the website in such areas and the traffic from China declined by 16% compared
to previous quarter. An alternative CDN solution is discussed in this proposal.
   
   ## Introduction
   
   MXNet website is the one-stop site for users from all over the world to explore MXNet project.
As a part of Apache Software Foundation, MXNet official website is hosted by Apache on its
content delivery networks. Because MXNet dev community has no access to Apache’s web server,
Google Analytics is used as the tool to track and report website traffic. Based on the statistics
from Google Analytics, we are able to better understand our users and improve MXNet website.

   
   ## Problems
   
   According to the statistic (Q1 2020) from Google Analytics, China has the most users using
MXNet website which account for 22.95% of the total number of users. But the website load
time is very slow in aforementioned area, the average page load time is 20.38s compare to
US it is 2.12s. 
   The cause of this problem [1] is, according to Apache Infra team, MXNet website is served
from Japan for Chinese visitors. Due to the Great Firewall of China [2], it can cause long
delay on visiting oversea websites. But at present Apache can not get access to serve from
China itself by reason of Chinese government regulations. 
   This can cause frustration on our customers in China, and in Q1 2020 there is a 15.69%
decline in traffic (measured by sessions) from China compared to previous quarter. 
   
   ## Proposed Solution
   
   Based on what Apache Infra team can offer now, this is a compromise solution that can address
this issue. A Chinese CDN which is pointed by a different but similar domain name ‘_mxnet.cdn.apache.org_’
is set up by Apache Infra team. It is a Chinese CDN provider and there is a huge improvement
on website loading speed in China.
   To achieve optimal results, this project is scoped into two parts, both of which aim to
increase the usability of MXNet  website and provide better user experience.
   
   **Part 1. Redirect Chinese Visitors**
   Perform a server side redirect by checking Accept-Language header of HTTP requests when
users initially attempts to access the website. This is a fast and relative accurate approach
which can avoid the client side loading and subsequent redirect.
   
   **Part 2. Improve Overall Website Loading Speed [2]**
   Eliminate render-blocking resources, defer or lazy-load resources that is unrelated to
first render. Update cache policy for static assets
   
   ## Reference
   
   1. Slow site speed issue Jira ticket: https://issues.apache.org/jira/browse/INFRA-20203
   2. Impact of Great Firewall of China: https://mlytics.com/blog/why-your-website-is-slow-in-china/
   3. Google PageSpeed insight: https://developers.google.com/speed/pagespeed/insights/?url=https%3A%2F%2Fmxnet.apache.org%2F&tab=desktop
   4. Discussion about certificate expiration problem of Apache’s experiment CDN: https://issues.apache.org/jira/browse/INFRA-20185?focusedCommentId=17096119&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17096119
   5. MXNet Chinese CDN URL: https://mxnet.cdn.apache.org/ (http://mxnet.cdn.apache.org/)

   6. Quip proposal link: https://quip-amazon.com/ydttAOKE2CkL/MXNet-Website-20-Slow-Site-Speed-in-China
   ## Appendix - Alternative Solutions not Considered
   
   Based on the response from an Apache Incubator project “EChart” whose team also faced
the same problem, and previous Apache Infra Jira tickets discussing similar issues, below
two solutions are not considered any more.
   
   **Apache Experiment CDN**
   According to EChart team’s response [4], Apache Infra once moved EChart website to the
experimental CDN in China. But there was an unexpected certificate expiration issue popping
up, Apache Infra team was not able to address the problem and had to move the website back
to previous CDN.  
   This experiment CDN is not recommended by Apache Infra team.
   
   **Deploy Mirror in China**
   Not recommended/permitted by Apache Infra team
   


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