NDLI: Characterizing web page complexity and its impact

Content Provider	ACM Digital Library
Author	Madhyastha, Harsha V. Sekar, Vyas Butkiewicz, Michael
Copyright Year	2014
Abstract	Over the years, the Web has evolved from simple text content from one server to a complex ecosystem with different types of content from servers spread across several administrative domains. There is anecdotal evidence of users being frustrated with high page load times. Because page load times are known to directly impact user satisfaction, providers would like to understand if and how the complexity of their Web sites affects the user experience. While there is an extensive literature on measuring Web graphs, Web site popularity, and the nature of Web traffic, there has been little work in understanding how complex individual Web sites are, and how this complexity impacts the clients' experience. This paper is a first step to address this gap. To this end, we identify a set of metrics to characterize the complexity of Web sites both at a content level (e.g., number and size of images) and service level (e.g., number of servers/origins). We find that the distributions of these metrics are largely independent of a Web site's popularity rank. However, some categories (e.g., News) are more complex than others. More than 60% of Web sites have content from at least five non-origin sources, and these contribute more than 35% of the bytes downloaded. In addition, we analyze which metrics are most critical for predicting page render and load times and find that the number of objects requested is the most important factor. With respect to variability in load times, however, we find that the number of servers is the best indicator.
Starting Page	943
Ending Page	956
Page Count	14
File Format	PDF
ISSN	10636692
DOI	10.1109/TNET.2013.2269999
Volume Number	22
Issue Number	3
Journal	IEEE/ACM Transactions on Networking (TON)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2014-06-01
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Browsers Internet Performance evaluation Web sites World wide web
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Networks and Communications Software Computer Science Applications

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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