Changelog: titles and copy changes
Search copy gets edited as the data comes in — a snippet that earns no clicks, a title that ends mid-sentence. Each change is recorded here by date, with what the copy said before, so any movement in rankings or clicks can be traced back to a specific edit.
Generated 2026-11-06 from the same source files the site is built from.
2026-11-06 — 12 pages
- carbon — 1 field
- keyword-density — 2 fields
- data-storage — 1 field
- completing-square — 2 fields
- appreciation-forecast — 1 field
- mean-median-mode — 2 fields
- deck-stain — 1 field
Deck Stain Calculator: Gallons of Stain or Sealant→Deck Stain & Sealant Calculator: Gallons Needed - safe-withdrawal — 1 field
Safe Withdrawal Rate Calculator: Retire on Your Savings→Safe Withdrawal Rate Calculator: The 4% Rule - harmonic-mean — 1 field
Harmonic Mean Calculator: Data Set & Reciprocals→Harmonic Mean Calculator: Not the Arithmetic Average - waist-height-ratio — 1 field
Waist-to-Height Ratio Calculator (WHtR): Waist & Height→Waist-to-Height Ratio Calculator: 0.47 at 80 cm - light-bulb-save — 1 field
LED Light Bulb Savings Calculator: Watts & Annual Saving→LED Light Bulb Wattage & Running Cost Calculator - baby-weight-gain — 2 fields
Baby Weight Percentile: Is My Baby on Track for Their Age?→Baby Weight Percentile Calculator: WHO Growth Chart
2026-11-04 — 5 pages
- rain-barrel — 2 fields
- waist-height-ratio — 1 field
- drywall — 1 field
- cap-rate-conv — 1 field
- coupon-payment — 1 field
2026-11-03 — 22 pages
- dew-point — 1 field
- auto-fare — 1 field
- carbon-dating — 1 field
- charging-time — 1 field
- wire-gauge-conv — 1 field
- ip-subnet — 1 field
- prorated-rent — 1 field
- trigonometry — 1 field
- wallpaper-rolls — 1 field
- vinyl-flooring — 2 fields
Vinyl Plank Calculator: Boxes and Planks You Need→Vinyl Plank Flooring Calculator: Boxes & Planks Needed - dividend-yield — 1 field
- vacation-savings — 1 field
- steel-weight — 1 field
- eps-calculator — 1 field
- trade-in-value — 1 field
- situp-test — 1 field
- moment-of-inertia — 1 field
- resistor-color-code — 1 field
- closing-costs — 1 field
- uk-take-home-salary — 1 field
- nps-calculator — 1 field
- ideal-body-weight — 1 field
2026-11-02 — 14 pages
- gutter — 1 field
- baby-feeding — 1 field
- jet-lag — 1 field
- safe-withdrawal — 1 field
- bullet-drop — 1 field
- sweat-rate — 1 field
- sibling-age-gap — 1 field
- laundry-cost — 1 field
- haircut-annual — 1 field
- coefficient-of-variation — 1 field
- total-body-water — 1 field
- light-bulb-save — 1 field
- scientific-notation — 1 field
- wavelength-freq — 1 field
2026-11-01 — 36 pages
- child-height — 1 field
- bmr-mifflin — 1 field
- tuition-cost — 1 field
- carbon-dating — 1 field
- charging-time — 1 field
- rgb-hex — 1 field
- baby-weight-gain — 1 field
- presentation-time — 1 field
- coffee-cost — 1 field
- dew-point — 1 field
- prorated-rent — 1 field
- wallpaper-rolls — 1 field
- vacation-savings — 1 field
- gift-wrap — 1 field
- vacation-with-kids — 1 field
- pregnancy — 1 field
- deck-stain — 1 field
- harmonic-mean — 1 field
- saudi-take-home-salary — 1 field
- auto-fare — 1 field
- maintenance-fluids — 1 field
- wire-gauge-conv — 1 field
- solar-energy — 2 fields
- ip-subnet — 1 field
- trigonometry — 1 field
- vinyl-flooring — 2 fields
- dividend-yield — 1 field
- steel-weight — 1 field
- eps-calculator — 1 field
- trade-in-value — 1 field
- situp-test — 1 field
- moment-of-inertia — 1 field
- resistor-color-code — 1 field
- closing-costs — 2 fields
- uk-take-home-salary — 1 field
- nps-calculator — 1 field
2026-10-24 — 3 pages
- vacation-savings — 1 field
Vacation Savings Calculator: How Much to Save Monthly→Vacation Savings Calculator: Cost & Monthly Target - jet-lag — 1 field
Jet Lag Calculator: Days to Adjust, East vs West→Jet Lag Calculator: Recovery Time, East vs West - pregnancy — 1 field
Pregnancy Due Date Calculator: From Your Last Period→Pregnancy Due Date Calculator: Last Menstrual Period
2026-10-18 — 5 pages
- tuition-cost — 1 field
Tuition Cost Calculator: What a Degree Really Costs→College Tuition Cost Calculator: Cost of a Degree - bmr-mifflin — 1 field
Mifflin-St Jeor BMR Calculator: Basal Metabolic Rate→BMR Calculator (Mifflin-St Jeor): Daily Calories - rgb-hex — 2 fields
RGB ↔ Hex Converter: Red, Green & Blue→RGB to Hex Converter: Pick a Colour, Copy the Code - solar-energy — 1 field
- proportion — 1 field
2026-10-11 — 112 pages
- length — 2 fields
Length Converter — Meters to Feet & Inches→Length Converter: Meters to Feet and Inches - pressure-conv — 2 fields
Pressure Converter: Value→Pressure Converter: Pascal, Bar, PSI and kPa - temperature — 2 fields
Temperature Converter: Temperature Value→Celsius to Fahrenheit Converter (and Kelvin) - time-conv — 2 fields
Time Converter: Value→Time Converter: Hours, Minutes and Seconds - cooking-conv — 2 fields
Cooking Measurement Converter: Amount→Cups to ml and tbsp to tsp: Cooking Converter - clothing-size — 2 fields
Clothing Size Converter: US Size→Clothing Size Converter: US to EU, UK and IT - torque-conv — 2 fields
Torque Converter: Torque Value→Torque Converter: Nm to lb-ft and Other Units - power-conv — 2 fields
Power Converter: Power Value→Watts to Horsepower Converter: W, kW and hp - voltage-conv — 2 fields
Electrical Unit Converter: Value→Volts, Amps and Watts Converter: What Converts - density-conv — 2 fields
Density Converter — kg/m³ to g/cm³ & More Units→Density Converter: kg/m3 to g/cm3 and g/mL - child-height — 2 fields
Child Height Predictor: Father & Mother→Child Height Predictor: How Tall Will My Child Be? - baby-weight-gain — 2 fields
Baby Weight Percentile: Age & Weight→Baby Weight Percentile: Is My Baby on Track for Their Age? - presentation-time — 2 fields
Presentation Time Calculator: Number of Slides→Presentation Time Calculator: How Long Will My Slides Take? - tuition-cost — 2 fields
Tuition Cost Calculator: Cost per Credit, Total Credits→Tuition Cost Calculator: What a Degree Really Costs - coffee-cost — 2 fields
Coffee Habit Cost Calculator: Cups/Day, Cost per Cup→Coffee Cost Calculator: What Your Daily Cup Costs Per Year - gutter — 2 fields
Gutter Length Calculator: Roof Perimeter, Section Length→Gutter Calculator: Sections, Length and Downspouts You Need - gift-wrap — 2 fields
Gift Wrap Calculator: Box Length, Box Width & Box Height→How Much Wrapping Paper Do I Need? Box Size Calculator - drywall — 2 fields
Drywall Calculator: Wall Area & Sheet Size→Drywall Calculator: How Many Sheets You Need (With Waste) - baby-feeding — 2 fields
Baby Feeding Schedule: Age, Weight & Feedings/Day→Baby Feeding Schedule by Age and Weight: ml Per Feeding - jet-lag — 2 fields
Jet Lag Recovery Calculator: Time Zones Crossed & Direction→Jet Lag Calculator: Days to Adjust, East vs West - vacation-with-kids — 2 fields
Family Vacation Cost: Family Size & Days→Family Vacation Cost Calculator: Budget by Days and Level - bmr-mifflin — 2 fields
Mifflin-St Jeor BMR Calculator: Weight, Height & Age→Mifflin-St Jeor BMR Calculator: Basal Metabolic Rate - pregnancy — 2 fields
Pregnancy Due Date: Last Menstrual Period→Pregnancy Due Date Calculator: From Your Last Period - deck-stain — 2 fields
Deck Stain & Sealant Calculator: Deck Length, Deck Width→Deck Stain Calculator: Gallons of Stain or Sealant - carbon — 2 fields
Carbon Footprint Calculator: Monthly Electricity→Carbon Footprint Calculator: Home Energy, Gas and Driving - tip — 2 fields
Tip Calculator: Bill Amount, Tip & Number of People→Tip Calculator: Tip Amount, Total and Split per Person - safe-withdrawal — 2 fields
Safe Withdrawal Rate Calculator: Portfolio Value→Safe Withdrawal Rate Calculator: Retire on Your Savings - bullet-drop — 2 fields
Bullet Drop Calculator: Horizontal Distance→Bullet Drop Calculator: Trajectory, Flight Time, Energy - sweat-rate — 2 fields
Sweat Rate Calculator: Pre-exercise Weight→Sweat Rate Calculator: Fluid Loss per Hour of Exercise - rain-barrel — 2 fields
Rain Barrel / Rainwater Harvesting Calculator: Roof→Rain Barrel Calculator: Roof Area to Gallons Harvested - sibling-age-gap — 2 fields
Sibling Age Gap: Older Child Birth & Younger Child Birth→Sibling Age Gap Calculator: Months Between Children - url-encoder — 2 fields
URL Encoder / Decoder: Encode→URL Encoder / Decoder: Percent Encoding Online - moon-phase — 2 fields
Moon Phase Calculator: Date→Moon Phase Calculator: Tonight's Phase and Illumination - laundry-cost — 2 fields
Laundry Cost Calculator: Loads/Week, Washer kWh/Load→Laundry Cost Calculator: Cost per Load and per Year - completing-square — 2 fields
Completing the Square Calculator: Coefficient of→Completing the Square Calculator: Steps to Vertex Form - plagiarism-check — 2 fields
Citation Checker: Paper Word Count & Number of Citations→Citation Checker: Word Count and Citation Density - cap-rate-conv — 2 fields
Cap Rate to Value Calculator: Net Operating Income→Cap Rate to Value Calculator: NOI and Property Value - financial-need — 2 fields
Financial Need Calculator: Cost of Attendance→Financial Need Calculator: Cost of Attendance vs EFC - carpool-savings — 2 fields
Carpool Savings Calculator: Your Weekly Drive Cost→Carpool Savings Calculator: Fuel, Tolls, Parking Split - cidr-convert — 2 fields
CIDR to Subnet Calculator: CIDR Prefix & Network Octet Check→CIDR to Subnet Mask Calculator: Hosts and Broadcast - debt-consolidation — 2 fields
Debt Consolidation Calculator: Current Debts→Debt Consolidation Calculator: One Payment vs Many - data-center-pue — 2 fields
Data Center PUE Calculator: Total Facility Power→Data Center PUE Calculator: Power Usage Effectiveness - cac-payback — 2 fields
CAC Payback Period: Customer Acquisition & Gross Margin per→CAC Payback Period Calculator: Months to Recover CAC - college-cost-planner — 2 fields
College Cost Planner: Annual Tuition, Room & Board→College Cost Planner: 4-Year Tuition, Room and Board - grade-needed — 2 fields
Final Grade Needed (Weighted): Current Grade→Final Grade Calculator: Score Needed to Hit Your Target - beam-deflection — 2 fields
Beam Deflection (Simply Supported): Load, Length & EI→Beam Deflection Calculator: Simply Supported Beam - childcare-cost — 2 fields
Childcare Cost Comparison: Children, Daycare/Child/Week→Childcare Cost Comparison: Daycare vs Nanny per Year - appreciation-forecast — 2 fields
Property Appreciation Calculator: Current Value→Property Appreciation Calculator: Future Value by Year - australia-income-tax — 2 fields
Australia Income Tax Calculator: Annual Income→Australia Income Tax Calculator: Salary and Take-Home - cash-on-cash — 2 fields
Cash-on-Cash Return: Annual Pre-Tax Cash Flow & Total→Cash-on-Cash Return Calculator: Rental Property ROI - coupon-payment — 2 fields
Bond Coupon Payment Calculator: Face Value, Annual→Bond Coupon Payment Calculator: Annual and Semi-Annual - haircut-annual — 2 fields
Haircut Annual Cost: Cost per Visit, Visits per Year & Tip %→Haircut Cost Calculator: What a Year of Cuts Costs - statistics — 2 fields
Statistics Calculator: Data→Statistics Calculator: Mean, Median & Standard Deviation - mean-median-mode — 2 fields
Mean Median Mode Calculator: Data→Mean Median Mode Calculator: Averages From One Data Set - variance-sd — 2 fields
Variance & Standard Deviation: Data→Variance & Standard Deviation Calculator: Data Set - harmonic-mean — 2 fields
Harmonic Mean: Data→Harmonic Mean Calculator: Data Set & Reciprocals - standard-error — 2 fields
Standard Error of the Mean: Data→Standard Error of the Mean (SEM): Formula and Example - coefficient-of-variation — 2 fields
Coefficient of Variation Calculator: Data→Coefficient of Variation Calculator: Relative Spread - quartile — 2 fields
Quartile & IQR Calculator: Data→Quartile & IQR Calculator: Q1, Q2, Q3 and the Range - password-gen — 2 fields
Password Generator: Length→Password Generator: Strong Random Passwords - waist-height-ratio — 2 fields
Waist-to-Height Ratio Calculator: Whtr→Waist-to-Height Ratio Calculator (WHtR): Waist & Height - clean-dirty-price — 2 fields
Clean vs Dirty Bond Price: Dirty Price & Accrued Interest→Clean vs Dirty Bond Price: Clean Price & Accrued Interest - saudi-take-home-salary — 2 fields
Saudi Arabia Take-Home Salary Calculator: Net Pay→Saudi Arabia (KSA) Take-Home Salary Calculator: Net Pay - ideal-body-weight — 2 fields
Ideal Weight Calculator: Devine Formula→Ideal Body Weight (IBW) Calculator: Devine Formula - total-body-water — 2 fields
Total Body Water Calculator: Weight, Height & Age→Total Body Water (TBW) Calculator: Weight & Height - light-bulb-save — 2 fields
LED Bulb Savings Calculator: Current Bulb Wattage→LED Light Bulb Savings Calculator: Watts & Annual Saving - weight — 2 fields
Weight Converter: Value→Weight Converter: kg to lbs and Other Units - volume — 2 fields
Volume Converter: Value→Volume Converter: Litres to Gallons and More - area — 2 fields
Area Converter: Value→Area Converter: m² to ft² and Other Units - speed — 2 fields
Speed Converter: Value→Speed Converter: km/h to mph and m/s - data-storage — 2 fields
Data Storage Converter: Value→Data Storage Converter: GB to MB, KB and Bytes - angle — 2 fields
Angle Converter: Value→Angle Converter: Degrees to Radians and Gradians - energy — 2 fields
Energy Converter: Value→Energy Converter: Joules, kWh, Calories and BTU - frequency-conv — 2 fields
Frequency Converter: Hz, kHz, MHz & More Units→Frequency Converter: Hz, kHz, MHz and GHz - force-conv — 2 fields
Force Converter: Value→Force Converter: Newtons to lbf and kgf - fuel-efficiency-converter — 2 fields
Fuel Efficiency Converter: Value→Fuel Efficiency Converter: L/100km to MPG - radiation-conv — 2 fields
Radiation Converter: Value→Radiation Converter: Sv, mSv, Gy and rem - bit-rate-conv — 2 fields
Bit Rate Converter: Value→Bit Rate Converter: Mbps to kbps and Gbps - luminance-conv — 2 fields
Luminance Converter: Value→Luminance Converter: Lux to Foot-candles - molarity-conv — 2 fields
Molarity Converter: Value→Molarity Converter: Molar to Millimolar - flow-rate-conv — 2 fields
Flow Rate Converter: Value→Flow Rate Converter: L/s to m³/h and GPM - roman-numeral — 2 fields
Roman Numeral Converter: Value→Roman Numeral Converter: Numbers to Roman Numerals - ppm-conv — 2 fields
PPM / Concentration Converter: Value→PPM Converter: ppm to ppb and Percent - thermal-conductivity — 2 fields
Thermal Conductivity Converter: Value→Thermal Conductivity Converter: W/m·K to BTU - radiation-dose-conv — 2 fields
Radiation Dose Converter: Value→Radiation Dose Converter: Gray to Rad - acceleration-conv — 2 fields
Acceleration Converter: Value→Acceleration Converter: m/s² to g-force - dbm-watts — 2 fields
dBm ↔ Watts Converter: Value→dBm to Watts Converter: dBm ↔ W and mW - unit-converter — 2 fields
Universal Unit Converter: Value→Universal Unit Converter: Length, Mass and More - fraction-percent — 2 fields
Fraction ↔ Percent ↔ Decimal: Numerator & Denominator→Fraction to Percent to Decimal Converter - scientific-notation — 2 fields
Scientific Notation Converter: Number→Scientific Notation Converter: Decimal to Scientific - polar-rect — 2 fields
Polar ↔ Rectangular: Between Polar→Polar ↔ Rectangular Coordinates Converter - annulus-area — 1 field
- wavelength-freq — 1 field
- mole-conversion — 1 field
- rgb-hex — 1 field
- currency-converter — 1 field
- salary-converter — 2 fields
Salary Converter: Amount→Salary Converter: Hourly, Monthly and Annual Pay - currency-conv — 2 fields
Currency Converter (Fixed Rate): Amount→Currency Converter: Fixed Exchange Rate Calculator - paper-size-conv — 2 fields
Paper Size Converter: Number→Paper Size Converter: A4, A5, B5 Dimensions - cooking — 2 fields
Cooking Converter: Amount→Cooking Converter: Cups, ml, tbsp and tsp - prime-factor — 2 fields
Prime Factorization: Number→Prime Factorization Calculator: Factor Any Number - significant-figures — 2 fields
Significant Figures: Number→Significant Figures Calculator: Rounding and Sig Figs - digital-root — 2 fields
Digital Root Calculator: Number→Digital Root Calculator: Repeated Digit Sum - gst-india — 2 fields
GST Calculator India: Amount→GST Calculator India: Add or Remove GST - uae-vat — 2 fields
UAE VAT Calculator: Amount→UAE VAT Calculator: Add or Remove 5% VAT - maintenance-fluids — 2 fields
Maintenance Fluids Calculator (4-2-1): Weight→Maintenance Fluids Calculator (4-2-1 Rule) - vector-add — 2 fields
Vector Addition Calculator: Add→Vector Addition Calculator: Sum of Two Vectors - date-add — 1 field
- salary-hourly — 1 field
- protein-need — 2 fields
Daily Protein Need: Weight→Daily Protein Intake Calculator: Grams per Day - vegan-protein — 2 fields
Vegan Protein Sources: Weight→Vegan Protein Sources: How Much You Need - meat-cooking-time — 2 fields
Meat Cooking Time: Weight→Meat Cooking Time Calculator: Minutes per kg
How this is kept
The ledger is append-only: old entries are never rewritten, and each build only adds changes it has not seen before. Field-level detail (title, meta description, heading, answer paragraph) lives in the repository, and the stats page shows what the numbers did over the same period.
Last updated