Index

E

Edge Side Includes (ESI)
- AJAX vs., ESI versus AJAX
- caching blocks with, Edge Side Includes
- making Varnish parse ESI tags, Making Varnish Parse ESI
ETag response header, ETag
execution flow, The execution flow-The execution flow
expiration
- Cache-Control header, The Cache-Control Header
- conditional requests and, Conditional Requests
- Expires header, The Expires Header
- HTTP, Expiration-Expiration Precedence
- priorities, Expiration Precedence
Expires header, The Expires Header

F

fallback director, The Fallback Director
footer template, The footer template
FreeBSD, Installing Varnish Using a Package Manager
freshness, Conditional Requests
functions, Functions-Synthetic
- ban(), Ban
- hash_data(), Hash_data
- regsub(), Regsub
- regsuball(), Regsuball
- synthetic(), Synthetic
future issues, The Future of the Varnish Project

G

Google Analytics
- removing tracking URL parameters, Removing Google Analytics URL Parameters
- tracking cookies, Remove Tracking Cookies
Google Search
- HTTPS and page ranking, What About TLS/SSL?
- load time as part of page rank calculation, Why Does Web Performance Matter?
grace mode, Grace Mode-Enabling Grace Mode

H

HAProxy, What About TLS/SSL?, Backend Selection
hash (#), URL, Removing the URL Hash
hash director, The Hash Director
hash_data() function, Hash_data
header template, The header template
health probes, Backends and Health Probes-Backends and Health Probes, Backends and Health Probes, Backend Health-Backend Health
hit rate, improving, Improving Your Hit Rate-Conclusion
- avoiding caching of static assets, Do You Really Want to Cache Static Assets?
- Cache-control headers for, Decide What Gets Cached with Cache-Control Headers
- caching blocks, Caching Blocks-The footer template
- common mistakes, Common Mistakes-My advice
  - (see also mistakes that affect hit rate)
- cookie issues, There Will Always Be Cookies-Cookie Variations
- hit/miss marker, Hit/Miss Marker
- optimizing URLs, Sanitizing-Removing the Trailing Question Mark
- query string sorting, Query String Sorting
- removing Google Analytics URL parameters, Removing Google Analytics URL Parameters
- removing port number from HTTP host, Removing the Port
- removing trailing question mark, Removing the Trailing Question Mark
- removing URL hash, Removing the URL Hash
- URL blacklists/whitelists, URL Blacklists and Whitelists
hit-for-pass cache, What Happens if an Object Is Not Stored in Cache?, Not Knowing What Hit-for-Pass Is
hit/miss marker, Hit/Miss Marker
hooks, Hooks and Subroutines
HTTP, Varnish Speaks HTTP-Conclusion
- cache variations, Cache Variations-Cache Variations
- conditional requests, Conditional Requests-How Varnish Deals with Conditional Requests
- expiration, Expiration-Expiration Precedence
- idempotence, Idempotence
- removing port number from HTTP host, Removing the Port
- state, State
- verbs/methods handled by, Idempotence

I

idempotence/idempotent HTTP verb, Idempotence
imports
- VMODs, Importing Varnish Modules
include statement, Includes
index template, The index template
init subroutines, Initialization and Cleanup Subroutines
installation
- on Debian, Installing Varnish on Ubuntu and Debian
- on Red Hat and CentOS, Installing Varnish on Red Hat and CentOS
- on Ubuntu, Installing Varnish on Ubuntu and Debian
- Varnish, Installing Varnish-Installing Varnish on Red Hat and CentOS
- with package manager, Installing Varnish Using a Package Manager
integers, Integers
invalidation, Invalidating the Cache-Conclusion
- banning, Banning-Banning from the Command Line
- banning from command line, Banning from the Command Line
- forcing a cache miss, Forcing a Cache Miss
- implementation issues, Cache Invalidation Is Hard
- problems with caching data for too long, Caching for Too Long
- purging, Purging
- RESTful services, Invalidation

L

language cookies, Cookie Variations
language detection, Cache Variations
Last-Modified response header, Last-Modified-Last-Modified
Least Recently Used (LRU) strategy, Storage options
least recently used (LRU) strategy, Do You Really Want to Cache Static Assets?
Linux, Installing Varnish
load balancing, Backend Selection, Directors-The Fallback Director
loading time, importance of, Why Does Web Performance Matter?
logging
- varnishlog, Varnishlog-Filtering the Output
- varnishstat, Varnishstat
- varnishtop, Varnishtop
lurker-friendly bans, Lurker-Friendly Bans-Lurker-Friendly Bans

M

max-age, s-maxage vs., Max-age Versus s-maxage
metrics, displaying with varnishstat, Displaying Specific Metrics
mistakes that affect hit rate, Common Mistakes-My advice
- adding basic authentication on acceptance environments, Adding Basic Authentication for Acceptance Environments
- cached 404 responses, 404 Responses Get Cached
- forgetting consequences of return statements, Returning Too Soon
- lack of cache variations, No Cache Variations
- max-age vs. s-maxage, Max-age Versus s-maxage
- no-purge ACL, No-Purge ACL
- not knowing what hit-for-pass is, Not Knowing What Hit-for-Pass Is
- purging without purge logic, Purging Without Purge Logic
- session cookies, Session Cookies Everywhere

N

navigation template, The nav template
network binding, Network binding
no-store, Decide What Gets Cached with Cache-Control Headers
NU.nl, NU.nl: Investing Early Pays Off

O

operators, Operators

P

PATCH support, VCL for, Patch Support
pattern-based invalidation, Banning
- (see also banning)
performance, scalability vs., Why Does Web Performance Matter?
Perl Compatible Regular Expressions (PCRE), Regular Expressions
- (see also regular expressions)
PHP, ETag, An All-in-One Code Example, The PHP code-The PHP code
port number, removing from HTTP host, Removing the Port
probes (see health probes)
PROXY protocol, Network binding
purge logic
- purging without, Purging Without Purge Logic
- without protecting access via ACL, No-Purge ACL
purging, Purging, Purging Without Purge Logic