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web web standards < > PURPOSE PRINCIPLES PURPOSE - - PowerPoint PPT Presentation

Mar 13, 2024 377 likes •1.32k views

web web standards < > PURPOSE PRINCIPLES PURPOSE PATTERNS PRINCIPLES PURPOSE < > { } ( ) principles.adactio.com The priority of constituencies In case of con fl ict, consider users over authors over

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web

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web standards

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< >

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“…”

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PURPOSE

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PRINCIPLES

PURPOSE

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PATTERNS

PRINCIPLES

PURPOSE

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principles.adactio.com

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SLIDE 25 In case of conflict, consider users over authors
  • ver implementors over theoretical purity.”
“ —HTML Design Principles

The priority of constituencies

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<tag attr="value"> Hello, world </tag>

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<tag attr="value"> Hello, world </tag> <TAG ATTR=value> Hello, world

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SLIDE 31 90% of everything is crap.” “ —Tieodore Sturgeon

Sturgeon’s Law

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SLIDE 41 Humans are allergic to change.” “ I try to fight that.” “ Tiat’s why I have a clock on my wall that runs counter-clockwise.” “
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24

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2460

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2460

60

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10

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10100

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10100

100

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HTTP

TCP/IP

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HTTP URLs

TCP/IP

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HTTP URLs

TCP/IP DNS

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<body> <title> <p> <h1> <h2> <h3> <ol> <ul> <li> <dl> <dd> <dt>

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SGML

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HTML

SGML

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HTML

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SLIDE 60 —HTML Design Principles

Evolution, not revolution

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SLIDE 64 …document conformance requirements should be designed so that Web content can degrade gracefully in older or less capable user agents, even when making use of new elements, attributes, APIs and content models.” “ —HTML Design Principles

Degrade gracefully

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SLIDE 70 When a practice is already widespread among authors, consider adopting it rather than forbidding it or inventing something new.” “ —HTML Design Principles

Pave the cowpaths

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@

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#

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lb

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℔ £ #

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STANDARDS

INTEROPERABILITY

AGREEMENT

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SLIDE 81 —HTML Design Principles
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SLIDE 82 Consider users over authors…” “ —HTML Design Principles
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SLIDE 83 Consider users over authors…” “ —HTML Design Principles Web content can degrade gracefully in older or less capable user agents…” “
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SLIDE 84 Consider users over authors…” “ —HTML Design Principles Web content can degrade gracefully in older or less capable user agents…” “ Evolution, not revolution…” “
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PURPOSE

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PRINCIPLES

PURPOSE

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PATTERNS

PRINCIPLES

PURPOSE

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PAST

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PRESENT

PAST

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FUTURE

PRESENT

PAST

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FUTURE

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FUTURE

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FUTURE

web