Ranking Score Explained

Hi there, thanks for your interest in how we calculate an experience's ranking score. It's at the core of Rankers so I'm pleased you're curious.

The ranking score percentage is used to compare and sort experiences in ranking tables. It is not necessarily a direct measurement of the quality of a particular experience as rated by its customers. I've found it a useful tool to allow me to find the best experiences with confidence. But I've also found it important to read the customer reviews before making any final judgements!

We calculate an experience's ranking score using a multi-factor data model instead of a raw data average (mean). This model takes into account several important questions. For instance - is there a trusted body of reviews? What is the age of a review and is the review from a credible source?

Below you'll find details around some of the important factors that went into calculating the ranking score for Hiking New Zealand.

If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz. We don't believe this is perfect or complete so we're always interested in ways we might make improvements.

Nick Morrison's avatar

Nick Morrison

Rankers owner

Hiking New Zealand

Valid Reviews

30 Valid Reviews

The Hiking New Zealand experience has a total of 31 reviews. There are 30 valid reviews that are included when calculating the ranking score and 1 invalid review that are excluded from the calculation. Reviews can be excluded only when a reviewer is not verified or after an investigation by our team determines the reviewer is not genuine.

Within these 30 valid reviews, the experience has 3 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 30 valid reviews:

Rating Count Percentage
10/10 28
9/10 1
8/10 0
7/10 1
6/10 0
5/10 0
4/10 0
3/10 0
2/10 0
1/10 0

98.67% Average

The raw data average (mean) for all the Hiking New Zealand valid reviews is 98.67% and is based on 30 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.

Weighted Average


Rankers calculates a weighted mean as a base average on which we can improve. Individual review's ratings are given a weight based on several factors. The weight of a review determines the overall impact it'll have on the final weighted average.

Recent reviews have more weight as they are more relevant and reflect the experience as it currently operates. Over time reviews become less relevant and loose their impact on the ranking score.

Low rating reviews carry slightly less weight. This dampens the effect of very low ratings for every experience across the board. This is especially important when the experience has few reviews overall and a single negative rating can grossly mischaracterise an experience. Consistent poor reviews will still result in the experience receiving a comparitively low ranking score.

Credible sources provide reviews that can be trusted. If we have verified a reviewer is genuine via a face-to-face meeting then the review carries additional weight.

Reviewer Rating Age Face-to-Face Weight Relative Weight
ReVen 10/10 2454 days 2.67 100%
foster1620 10/10 2760 days 2.15 80%
Karenh 10/10 2851 days 1.99 75%
Smurf 10/10 2881 days 1.94 73%
andreavanvliet 10/10 3154 days 1.47 55%
margaretthomson 10/10 3154 days 1.47 55%
Paul_Lanigan 10/10 3154 days 1.47 55%
Bruce_Dowling 10/10 3154 days 1.47 55%
Roger_Campbell 10/10 3185 days 1.42 53%
cerianmacinnes 10/10 3185 days 1.42 53%
JaneWiltshire 10/10 3185 days 1.42 53%
Cameron_R 10/10 3216 days 1.37 51%
TomH250 10/10 3369 days 1.11 41%
Hiker 10/10 3460 days 0.95 36%
sammy 10/10 3550 days 0.8 30%
Vic842 10/10 3550 days 0.8 30%
piquadrat 10/10 3581 days 0.74 28%
Krystii Ross 10/10 3581 days 0.74 28%
AmyIr 10/10 3581 days 0.74 28%
Jingyi Tan 10/10 3703 days 0.53 20%
Jim Williams 10/10 3915 days 0.17 6%
henry_moorman 10/10 3915 days 0.17 6%
Hannele 10/10 3946 days 0.12 4%
Julia Zimmer 10/10 3970 days 0.08 3%
Nikki Peterson 10/10 3994 days 0.04 1%
Sarah Farmer 10/10 4074 days 0.0 0%
pathfinder1 10/10 4079 days 0.0 0%
Kim 10/10 4229 days true 0.0 0%
Lisa 7/10 4300 days true 0.0 0%
Eleanor Adams 9/10 4317 days true 0.0 0%


Several adjustments to the weighted average are added to improve relevancy and credibility. These adjustments apply equally to all experiences that meet the criteria.

Sample Size Adjustment

No Adjustment

A reasonable number of reviews are necessary in order for the average to be credible and for an experience to take a prime position within the ranking tables. As such, experiences with only a few reviews have a moderated score. This does not mean that the experience or the reviews can't be trusted. The Hiking New Zealand experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-3.98% Adjustment

There may be an adjustment if an experience hasn't received any reviews within the last 60 days. However the Hiking New Zealand experience does not meet the criteria for any adjustment.

In addition, an experience's ranking score may be adjusted for each day there is no new ranking. After 1 day the adjustment comes into effect. The maximum number of days that can be adjusted for is 199 days.

The Hiking New Zealand experience has been adjusted for 199 days. Adjustments are according to the following table.

Days Adjustment
196 -3.92%
197 -3.94%
198 -3.96%
199 -3.98%
200 -4.00%
201 -4.02%
202 -4.04%

Final Ranking Score


The final ranking score once adjustments and rounding has been applied. This value is cached and recalculated each day. Therefore it may not be precisely accurate based on the other values presented.

If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz.