work / klare wijn · amsterdam

KlareWijn.

A consultancy with seven pages, no form and two tracking codes that measured nothing. Now 25 pages and a form that lands in the inbox. Underneath, a data layer with 22 sources.

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7 → 25

pages on the site

measured · baseline and sitemap

data sources in the data layer we built for Klare Wijn

measured · own system, 13 adapters

1,086,029

measurements brought together

measured · own system, 579 fetch runs

85 / 85

end-to-end tests passed

measured · own test suite

tryklarewijn.com/doorlichtingen · screen capture

tryklarewijn.comlive

Screen capture of the tryklarewijn.com homepage

01 / the question

A site that proved nothing.

Klare Wijn audits companies. Its own site had seven pages, no worked-out research and no form. Anyone with a question was sent to an external booking tool. Two tracking codes sat in the code with a placeholder ID. They measured nothing.

02 / what we built

25 pages and a data layer.

The site runs on Astro. Each piece of research is one file, with no admin panel or database. A custom form sends enquiries straight to the mailbox. Clients hand in their documents in a private portal, logging in with a link by email. Underneath, a data layer pulls figures from Search Console, GA4, Google Ads, HubSpot, Klaviyo, Meta, PostHog and Ahrefs.

03 / the site, before and after+

pages7 → 25

worked-out research0 → 8, plus a method page

formexternal tool → own form

robots.txt, sitemap, llms.txtall three 404 → present

structured data1 of 7 → every page

tracking codes doing nothing2 → 0

baseline 23 July · live site check 16 August 2026

04 / the data layer+

source adapters13

sources with data22 for A'DAM VR, 2 for PlayRena

measurements1,086,029

fetch runs since 10 August579

load time, search visibility screen8 s+ → 176 ms per block

end-to-end tests85 / 85

own database · 19 September 2026

how we measure this

We ran the baseline on 23 July, three days before the rebuild. The page count comes from the sitemap of 16 August. The data layer figures come from our own database on 19 September.

what we don't claim

The baseline is our own, not an independent review. Visit and enquiry figures aren't listed: not measured yet. How much manual work the data layer saves hasn't been measured either.

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