eduKateSG · DEEP READING INDEX · QUIET ROUTING LAYER
Deep Reading Index
This is the quiet safety-net underneath the eduKateSG knowledge system. Normal reading should begin in a subject or system hub. This index exists so older, specialist and deep pages remain reachable even when they do not belong in the main navigation.
Start with Learning Hubs for school learning, Education for the larger learning system, World & Knowledge for wider knowledge systems, or the eduKateSG Ecosystem Atlas for the current owner map and decade-scale roadmap. Use this index when you deliberately want older, specialist, experimental or long-tail material beyond those normal routes.
Published Posts
Articles, guides, series entries, vocabulary work, tuition/local pages and current longform publishing.
-
Tenths and Hundredths: Building Decimal Place Value From Base-Ten Units
-
How MRT Train Auxiliary Electrical Systems and Batteries Work Using Mathematics: The Power That Runs Everything Except the Wheels
-
How MRT Current Collection Works Using Mathematics: Third-Rail Shoes, Pantographs and the Moving Electrical Contact
-
How MRT Train Couplers and Gangways Work Using Mathematics: How Separate Cars Behave Like One Train
-
Adding and Subtracting Fractions With the Same Denominator
-
How MRT Track Curves, Cant and Alignment Work Using Mathematics: How a City Route Becomes a Railway Path
-
Equivalent Fractions: Different Names for the Same Quantity
-
Bronze and Civilisation | How Metallurgy Changed Agriculture, Trade and War
-
Multiplying a Multi-Digit Number by a One-Digit Number
-
Irrigation and Civilisation | How Water Management Created Cooperation and Conflict
-
Rounding and Estimation: Predicting Whether an Answer Is Reasonable
-
Rivers and Civilisation | Why Great Societies Often Grew Around Water Systems
-
Roads and Early Civilisation | How Movement Expanded Political and Economic Scale
-
How MRT Station Wayfinding and Human Navigation Work Using Mathematics: How Signs Turn a Complex Interchange Into a Route People Can Follow
-
How MRT Train Body Structure and Carbody Loads Work Using Mathematics: How a Lightweight Shell Carries Hundreds of People
-
How MRT Axle Boxes and Rolling Bearings Work Using Mathematics: How a Heavy Train Lets Its Wheels Rotate Freely
-
Division With Remainder: What the Leftover Means
-
How MRT Rail Welding and Continuously Welded Rail Work Using Mathematics: How Separate Rails Become One Long Structural Member
-
Multiplication Tables 6, 7, 8 and 9: Building New Facts From Known Ones
-
Four-Digit Addition and Subtraction: Keeping Place Value Aligned
-
Moving Beyond Three Digits: Place Value With Larger Whole Numbers
-
Primary 2 Mathematics Diagnostic: Finding the First Broken Number Concept
-
Centimetres, Metres, Grams, Kilograms and Litres: Choosing the Right Unit
-
Dollars, Cents and the Mathematics of Making Change
-
Reading Clocks and Finding Simple Time Durations
-
Solving Two-Step Primary 2 Word Problems in the Correct Order
-
Drawing the First Bar Model for a One-Step Word Problem
-
Why Fractions Must Refer to the Same Whole Before Comparison
-
Unit Fractions: Understanding Halves, Thirds and Quarters
-
How Multiplication and Division Undo Each Other
-
Learning Multiplication Tables Through Structure and Pattern
-
Division as Sharing and Grouping: Two Ideas Learners Must Separate
-
Multiplication as Equal Groups, Repeated Addition and Arrays
-
Mental Calculation Strategies for Two-Digit Numbers
-
Regrouping in Subtraction: Why Borrowing Is an Exchange
-
Regrouping in Addition: What Carrying Really Means
-
Place Value to 1,000: Reading, Building and Renaming Numbers
-
Primary 1 Mathematics Diagnostic: The Misconceptions That Block Later Learning
-
Reading Picture Graphs One Object at a Time
-
Sorting 2D and 3D Shapes by Mathematical Properties
-
Counting Singapore Dollars and Cents Without Losing Track of Value
-
Telling Time to the Hour and Half-Hour With Understanding
-
Measuring Length Before Using a Ruler
-
Translating Primary 1 Word Problems Into Mathematical Actions
-
Missing-Number Sentences in Primary 1: Keeping Equality True on Both Sides
-
Fact Families: Connecting Addition and Subtraction
-
Three Meanings of Subtraction: Take Away, Difference and Missing Part
-
Addition as Joining, Increasing and Comparing
-
Comparing and Ordering Numbers Without Guessing
-
How MRT Rail Fasteners, Sleepers and Track Support Work Using Mathematics: How Millimetres of Elasticity Hold the Railway in Place
-
How MRT Viaducts and Elevated Railway Structures Work Using Mathematics: How Concrete Carries Trains Above a Moving City
-
How MRT Train HVAC and Thermal Comfort Work Using Mathematics: How a Moving Carriage Keeps Hundreds of People Comfortable
-
How MRT Train Doors and Onboard Passenger Interfaces Work Using Mathematics: Why a Few Seconds at the Door Can Shape the Whole Line
-
Voynich | Custody Through Time — The River, the Handoff and the Future Receiver
-
Tangential Voynich | Put the Manuscript in an Airport Control Tower
-
Voynich and Padua | The Null Coordinate: Why “We Cannot Localise This Layer Yet” Is a Valid Result
-
Voynich | Where Is the Manuscript Today?
-
Voynich and Padua | The Minimum Path Principle: How Many Geographic Handoffs Does the Manuscript Actually Need?
-
Voynich and Padua | The Expected Evidence Problem: If Padua Is True, What Should We Be Seeing That We Are Not?
-
Voynich and Padua | The Evidence Independence Problem: When Five Clues Are Really One Clue Repeated Five Times
-
Voynich and Padua | The Localising Residue: What Still Carries Geographic Weight After the Matched Controls?
-
Voynich and Padua | The Coordinate Stack: Text Origin, Scribe Training, Material Production, Assembly, Binding and Ownership
-
Voynich and Padua | The Receiver Fallacy: Why Paduan Knowledge in Vienna or Germany Does Not Make the Book Paduan
-
Tangential Voynich | Treat the Manuscript as a Global Supply Chain
-
Voynich and Padua | The Production Path Hypothesis: What If the Manuscript Has More Than One Geography?
-
Tangential Voynich | The Null Model Is Not Neutral
-
Tangential Voynich | Put the Manuscript in a Warehouse
-
Tangential Voynich | Treat the Manuscript as a Telecommunications Network
-
Tangential Voynich | What If the Voynich Manuscript Was Made Simply to Sit There and Fascinate?
-
Tangential Voynich | Treat the Manuscript as a Filesystem
-
Tangential Voynich | Treat the Manuscript as a Conversation Piece or Heirloom
-
Tangential Voynich | Treat the Manuscript as a Nested Object
-
Tangential Voynich | The Observer Is Part of the Instrument
-
Tangential Voynich | Put the Manuscript on the Table as an Automaton or Marvel
-
Tangential Voynich | Treat the Manuscript as a Reliquary or Vessel
-
Tangential Voynich | Put the Manuscript in the World of a Presentation Manuscript
-
Voynich and Padua | Pal. lat. 1284: Niccolò Santasofia’s Receptarium Inside a Manuscript With No Secure Production City
-
How MRT Bogies, Suspension and Ride Comfort Work Using Mathematics: Why the Carriage Does Not Follow Every Bump in the Rail
-
Voynich and Padua | Pal. lat. 1265: Padua and Southern Germany in One Medical Composite — A Warning Against Single-Place Thinking
-
Voynich and Padua | Pal. lat. 1311: Padua 1431 — Surgery, Anatomy, Antidotary and the De Venenis Question
-
Voynich and Padua | Pal. lat. 1240: Vienna 1463–1464 — Medicine, Plants, Alchemy, Pulse and Urine in One Student-Era Codex
-
How MRT Traction Motors and Propulsion Work Using Mathematics: How Electricity Becomes Wheel Torque
-
Tangential Voynich | Put the Manuscript in the World of a Ceremonial Gift
-
Tangential Voynich | What Survives When We Remove Ourselves?
-
Voynich and Padua | Pal. lat. 1268: Vienna 1434 — Paduan Medicine, Quintessence and Recipes Inside the Voynich Window
-
How MRT Switches, Crossovers and Turnouts Work Using Mathematics: How a Train Changes Track Without Steering
-
Tangential Voynich | Treat the Manuscript as a Puzzle or Secret Object
-
Tangential Voynich | What If Voynich Is Not a Text?
-
How MRT Network Expansion Works Using Mathematics: Why One New Line Changes the Whole Map
-
Tangential Voynich | Treat the Manuscript as a Database
-
Voynich and Padua | Pal. lat. 1251: From Head to Foot — A Paduan Medical System Built Around Retrieval and Treatment
-
Tangential Voynich | Representation Rotation as Bias Destruction
-
Tangential Voynich | Put the Manuscript in a Cabinet of Curiosities
-
Tangential Voynich | Normalcy Blindness — When Our Best Model Becomes Invisible
-
Voynich and Padua | Pal. lat. 1295: The Paduan Working Book That Kept Adding Slips, Recipes, Regimina and Consilia
-
Tangential Voynich | Put the Manuscript in the World of a Courtly Luxury Object
-
Tangential Voynich | What I Know About Myself May Be Wrong
-
Tangential Voynich | The Most Recognisable Parts May Be the Most Dangerous
-
Tangential Voynich | Familiarity Is a Contaminant
-
Tangential Voynich | Token Boundaries Are Our Cuts
Published Pages
System owners, hubs, directories, curriculum routes, institutional maps and long-lived reader-facing reference pages. Noindexed publishing controls, manifests and editorial archives are deliberately excluded from this reader index.
-
How Chemistry Works in Hougang | Water, Materials, Energy, Food and the Invisible Chemistry of a Modern Town
-
Chemistry Tuition | Hougang
-
Hougang JC Chemistry Tuition | H1 8873, H2 9476 & H3 9813 | From Models to Mechanisms and Evidence
-
Hougang Secondary 4 Chemistry Tuition | When the Paper Stops Telling You Which Chapter You Are In
-
Hougang Secondary 3 Chemistry Tuition | Learn to See the Invisible System Behind Every Question
-
Hougang Science Learning Hub | Chemistry, Physics, Biology, Materials, Energy and the Systems of a Living Town
-
How to Study G1, G2 and G3 Subjects | SEC 2027 Study Guide Index
-
Parents & Pathways Hub | PSLE, Full SBB, Secondary Routes and Education Choices | eduKateSG
-
How Materials Age in Hougang | Corrosion, Concrete, Paint, Polymers, Heat, Humidity and the Chemistry of Time
-
How HDB Built Modern Hougang: From Kampongs and Farms to a Mature Singapore Town
-
The Communities That Built Hougang: How Different Worlds Became One Town
-
How Hougang Central Works: From HDB Town Centre to NEL–CRL Interchange
-
World Physics Tutor Guides | Country Directory and Parent Checklist
-
History of Hougang | 1822–2026 Timeline, Heritage & Year-by-Year Library
-
World Chemistry Tutor Guides | Countries, Curriculum and Parent Questions
-
How Mathematics Works
-
English Learning Hub | Primary to Secondary, SEC, JC and Adult English | eduKateSG
-
Singapore Integrated Sports Hub & National Stadium OS
-
World Tuition | Master Hub — English, Mathematics, Science, Biology, Chemistry and Physics
-
World English Tutor Guides | Countries and Tutor Selection
-
China Tutor City Guides | English and Mathematics | 中英双语选师目录
-
World Biology Tutor Guides | Country Directory and Parent Checklist
-
Singapore | How the Country Works and Holds Together
-
Vocabulary | Primary 1 to Adult & Career Vocabulary | eduKateSG
-
Top 10 Things to Do When Visiting and Touring | World Country Directory
-
World Mathematics Tutor Guides | Countries and Tutor Selection
-
World Science Tutor Guides | Country Directory and Parent Checklist
-
eduKateSG Deep Reading Index | All Articles, Pages and Learning Projects
-
How Ministry of Education V2.0 Works
-
How Science Works | How Humans Build, Test and Correct Knowledge About the World
-
Master Blockchain: An English–Chinese Learning Hub
-
系统学习区块链:分主题学习导航
-
Master Blockchain: A Structured Learning Guide
-
World Travel Vocabulary | Top 20 Unique Words by Country
-
Top 20 Things to Know Before Visiting and Touring | World City Guide
-
Top 10 Things to Learn When Visiting and Touring Cities | World Directory
-
Top 10 Photos and Selfies to Take When Visiting and Touring | World City Directory
-
Top 10 Food to Eat When Visiting and Touring | World City Directory
-
Top 10 Things to Learn When Visiting and Touring | Country Directory
-
How Blockchain Works | Client Diversity and Software Independence
-
How Blockchain Works | All-or-Nothing Execution and Its Boundaries
-
How Blockchain Works | Virtual Machines and Replaying Rules
-
How Blockchain Works | Post-Quantum Cryptography and Migration
-
How Blockchain Works | Proof of Stake and Validator Duties
-
How Blockchain Works | Proof of Work and Targets
-
How Blockchain Works | UTXOs and Change Outputs
-
How Blockchain Works | Logs, Events and Application Memory
-
How Blockchain Works | NFTs, Metadata and Linked Files
-
How Blockchain Works | Token Approvals and Remaining Permission
-
How Blockchain Works | Transaction Order and Fairness
-
How Blockchain Works | Incident Response and Recovery
-
How Blockchain Works | Network Delays and Partitions
-
How Blockchain Works | Multisignature and Shared Control
-
How Blockchain Works | Light Clients and Checkpoints
-
How Blockchain Works | Digital Identity and Proving Who You Are
-
How Blockchain Works | Forks and Changing Histories
-
How Blockchain Works | Data Availability and Missing Pieces
-
How Blockchain Works | Merkle Trees and Small Proofs
-
How Blockchain Works | Testing Rules and Finding Mistakes
-
How Blockchain Works | Block Explorers and Reading a Record
-
How Blockchain Works | Zero-Knowledge Proofs
-
How Blockchain Works | Privacy and What Records Reveal
-
How Blockchain Works | Governance and Upgrades
-
How Blockchain Works | Fees and Computing Resources
-
How Blockchain Works | Bridges Between Networks
-
How Blockchain Works | Scaling and Layers
-
How Blockchain Works | Databases and When Blockchain Helps
-
How Blockchain Works | Certificates and Credentials
-
How Blockchain Works | Supply Chains and Handovers
-
How Blockchain Works | Tokens and What They Represent
-
How Blockchain Works | Wallets and Custody
-
How Blockchain Works | Confirmations and Finality
-
How Blockchain Works | Public, Private and Consortium Networks
-
How Blockchain Works | Oracles and the Outside World
-
How Blockchain Works | Smart Contracts and Rules
-
How Blockchain Works | Consensus and Agreement
-
How Blockchain Works | Nodes and Shared Copies
-
How Blockchain Works | Keys and Digital Signatures
-
How Blockchain Works | Digital Fingerprints
-
How Blockchain Works | A Record’s Journey
-
How Blockchain Works | Simplest Explanation
-
How Blockchain Works | Content Addressing and File Retrieval
-
How Blockchain Works | Formal Verification and Model Limits
-
How Blockchain Works | Proxies and State-Preserving Upgrades
-
How Blockchain Works | Commit–Reveal and Hidden Choices
-
Top 10 Things to Do in Every Country | Luxury | World Country Directory
-
How Hougang’s Bus Network Works: From Upper Serangoon Road to MRT Feeders and Cross-Town Mobility
-
The Hidden Network Under Modern Hougang: What Keeps a Mature Singapore Town Alive
-
How Defu Changes Hougang: From Industrial Edge to the First Neighbourhood of the Paya Lebar Air Base Transformation
-
How Green Space Shapes Hougang: Parks, Park Connectors and the Living Network of a Mature Town
-
How Hougang Works: Rivers, Roads, Memory and Movement in a Singapore Town
-
How Kangkar Works: The Fish Port, the River and the Name That Survived Urbanisation
-
How the Cross Island Line Changes Hougang: From North East Line Town to Cross-Island Interchange
-
How Water Shaped Hougang: From Au-Kang and the Big Well to Serangoon Reservoir
-
How Markets Built Hougang: From Fish Port and Simon Road to Kovan and Hougang Central
-
How Hougang’s Schools Shaped the Town: Education as Infrastructure from Au-Kang to the HDB Era
-
How Upper Serangoon Road Built Hougang: The Road Before the Town Centre
-
From Au-Kang to Hougang: How a River Settlement Became a Singapore Town
-
Hougang 1850–2050: How a Singapore Town Changes Across Two Centuries
-
How Blockchain Works | Benchmarks, Throughput and Finality
Learning Projects / Portfolio
Project-layer learning systems, prototypes, specialist routes and experimental knowledge architecture.
-
The Gold Standard Reference | Evidence, Claims and Verification
-
The Gold Standard Of Water Treatment Reliability
-
The Gold Standard Of Urban Public Space Design
-
The Gold Standard Of Hospital Bed Management
-
The Gold Standard Of School Listening Comprehension
-
The Gold Standard of a Primary 1 Chinese Tutor
-
The Gold Standard of Primary 1 Chinese Tuition
-
The Gold Standard of Primary 1 Chinese Education
-
The Gold Standard of a Primary 1 Mathematics Tutor
-
The Gold Standard Of Water Demand Forecasting
-
The Gold Standard Of Urban Road Safety
-
The Gold Standard Of Hospital Emergency Department Flow
-
The Gold Standard Of School Writing Instruction
-
The Gold Standard of Primary 1 Mathematics Tuition
-
The Gold Standard of Primary 1 Mathematics Education
-
The Gold Standard of a Primary 1 English Tutor
-
The Gold Standard of Primary 1 English Tuition
-
The Gold Standard Of Water Leak Detection
-
The Gold Standard Of Urban Cycling Infrastructure
-
The Gold Standard Of Hospital Appointment Scheduling
-
The Gold Standard Of School Reading Comprehension
-
The Gold Standard of Primary 1 English Education
-
The Gold Standard of a Kindergarten Tamil Tutor
-
The Gold Standard of Kindergarten Tamil Tuition
-
The Gold Standard of Kindergarten Tamil Education
-
Primary 4 English Tuition | Ghim Moh Weekday or Weekend Parent Dilemma
-
Primary 3 English Tuition | Ghim Moh Weekday or Weekend Parent Dilemma
-
Primary 1 English Tuition | Ghim Moh Weekday or Weekend Parent Dilemma
-
Primary 2 English Tuition | Ghim Moh Weekday or Weekend Parent Dilemma
-
Primary 3 English Tuition | Mei Ling Weekday or Weekend Parent Dilemma
-
Primary 2 English Tuition | Mei Ling Weekday or Weekend Parent Dilemma
-
Primary 1 English Tuition | Mei Ling Weekday or Weekend Parent Dilemma
-
Primary 4 English Tuition | Mei Ling Weekday or Weekend Parent Dilemma
-
Primary 3 English Tuition | Tanglin Halt Weekday or Weekend Parent Dilemma
-
Primary 4 English Tuition | Tanglin Halt Weekday or Weekend Parent Dilemma
-
Primary 1 English Tuition | Tanglin Halt Weekday or Weekend Parent Dilemma
-
Primary 2 English Tuition | Tanglin Halt Weekday or Weekend Parent Dilemma
-
Primary 4 English Tuition | Commonwealth Weekday or Weekend Parent Dilemma
-
Primary 3 English Tuition | Commonwealth Weekday or Weekend Parent Dilemma
-
Primary 2 English Tuition | Commonwealth Weekday or Weekend Parent Dilemma
-
Primary 1 English Tuition | Commonwealth Weekday or Weekend Parent Dilemma
-
The Gold Standard of a Kindergarten Malay Tutor
-
The Gold Standard of Kindergarten Malay Tuition
-
The Gold Standard of Kindergarten Malay Education
-
The Gold Standard of a Kindergarten Chinese Tutor
-
Primary 4 English Tuition | Alexandra Weekday or Weekend Parent Dilemma
-
Primary 3 English Tuition | Alexandra Weekday or Weekend Parent Dilemma
-
Primary 2 English Tuition | Alexandra Weekday or Weekend Parent Dilemma
-
Primary 1 English Tuition | Alexandra Weekday or Weekend Parent Dilemma
-
The Gold Standard Of Electricity Demand Management
-
The Gold Standard Of Urban Noise Management
-
The Gold Standard Of Hospital Discharge Planning
-
The Gold Standard Of School Vocabulary Development
-
Achieving the Gold Standard | Implementation and Review Manual
-
The Gold Standard | Core Requirements and Evidence
-
The Gold Standard | Definitions and Reference Vocabulary
-
What Is the Gold Standard? | Foundations and First Principles
-
The Gold Standard of Kindergarten Chinese Tuition
-
The Gold Standard of Kindergarten Chinese Education
-
The Gold Standard of a Kindergarten Early Numeracy Tutor
-
The Gold Standard of Kindergarten Early Numeracy Tuition
-
The Gold Standard Of Urban Walkability
-
The Gold Standard Of Healthcare Data Interoperability
-
The Gold Standard Of Community Disaster Preparedness
-
The Gold Standard Of School English Education
-
The Gold Standard of Kindergarten Early Numeracy Education
-
The Gold Standard of a Kindergarten English Tutor
-
The Gold Standard of Kindergarten English Tuition
-
The Gold Standard | EduKate Singapore
-
The Gold Standard of Kindergarten English Education
-
The Gold Standard Of Public Transport Accessibility
-
The Gold Standard Of Hospital Medication Safety
-
The Gold Standard Of Coastal Ecosystem Restoration
-
The Gold Standard Of School Mathematics Education
-
Secondary 4 Social Studies Tuition | HarbourFront Weekday or Weekend Parent Dilemma
-
Secondary 4 Principles of Accounts (POA) Tuition | Mountbatten Weekday or Weekend Parent Dilemma
-
Secondary 3 Social Studies Tuition | HarbourFront Weekday or Weekend Parent Dilemma
-
Secondary 4 Geography Tuition | Little India Weekday or Weekend Parent Dilemma
-
Secondary 3 Geography Tuition | Little India Weekday or Weekend Parent Dilemma
-
Secondary 2 Geography Tuition | Little India Weekday or Weekend Parent Dilemma
-
Secondary 1 Geography Tuition | Little India Weekday or Weekend Parent Dilemma
-
Secondary 4 Physics Tuition | Pioneer Weekday or Weekend Parent Dilemma
-
Secondary 4 Chemistry Tuition | Bukit Gombak Weekday or Weekend Parent Dilemma
-
Secondary 2 Social Studies Tuition | HarbourFront Weekday or Weekend Parent Dilemma
-
Secondary 4 Science Tuition | Bukit Ho Swee Weekday or Weekend Parent Dilemma
-
Secondary 3 Principles of Accounts (POA) Tuition | Mountbatten Weekday or Weekend Parent Dilemma
-
Schools in Jurong West | Public Library, Frontier CC and Jurong Central Park Learning
-
Secondary 4 History Tuition | Bidadari Weekday or Weekend Parent Dilemma
-
Schools in Jurong West | Boon Lay, Pioneer MRT and the Jurong Region Line 2028
-
Secondary 3 Chemistry Tuition | Bukit Gombak Weekday or Weekend Parent Dilemma
-
Secondary 1 Social Studies Tuition | HarbourFront Weekday or Weekend Parent Dilemma
-
Secondary 3 History Tuition | Bidadari Weekday or Weekend Parent Dilemma
-
Secondary 3 Physics Tuition | Pioneer Weekday or Weekend Parent Dilemma
-
Secondary 2 Principles of Accounts (POA) Tuition | Mountbatten Weekday or Weekend Parent Dilemma
-
Secondary 2 Chemistry Tuition | Bukit Gombak Weekday or Weekend Parent Dilemma
-
Secondary 3 Science Tuition | Bukit Ho Swee Weekday or Weekend Parent Dilemma
-
Secondary 4 Biology Tuition | Kallang Bahru Weekday or Weekend Parent Dilemma
-
Secondary 3 Biology Tuition | Kallang Bahru Weekday or Weekend Parent Dilemma
-
Secondary 4 Chinese Tuition | Farrer Park Weekday or Weekend Parent Dilemma
-
Secondary 2 Physics Tuition | Pioneer Weekday or Weekend Parent Dilemma
Routing rule: use hubs for meaning; use this index for completeness. A deep page should remain discoverable without forcing the main menu to carry the entire library.
Return routes: use Learning Hubs for the normal subject-facing map, World & Knowledge for connected disciplines, Research & Inquiry when evidence and uncertainty are the issue, Civilisation for the longest system view, HELP when the next route is unclear, or the eduKate Ecosystem Hub when the correct federation owner is the question.
World Tuition subject and country directories: Explore the World Tuition Master Hub for English, Mathematics, Science, Biology, Chemistry, Physics and bilingual China city tutor-selection guides. The hub indexes verified published pages and preserves their original URLs.
