Krimpen aan den IJssel, Netherlands

Antum

Reach 16.5PageRanker 66

Antum is a web design company based in Krimpen aan den IJssel, Netherlands. Its own home page scored 41 for mobile speed and 93 for access in our lab test on October 25, 2026, faster than 79 of the 450 firm sites we tested. Its websbz Score is 59.6 out of 100. Its Reach, a separate score, is 16.5.

Visit antum.nl See the Score

Our Read

Antum is a small digital agency in Krimpen aan den IJssel in the Rotterdam region. It builds WordPress websites, WooCommerce shops and portals, with a focus on accessibility. It says it has more than 13 years of experience and no sales or management layers.

What sets them apart. It is named in the FONK150 list of top Dutch agencies and promotes WCAG accessibility specialism.

Best for. Museums, schools and mid size companies that want a direct line to the builders.

Services

Custom WordPress websitesWooCommerce webshopsAccessible websitesUX researchWordPress maintenanceSEO and online advertising

Industries

MuseumsEducationSportHealthcareRetail

Our Lab Test of antum.nl

Mobile emulation, tested October 25, 2026. One run from our desk. Field data from real visitors can differ.

41Performance

93Accessibility

73Best Practices

100SEO Basics

Largest paint: 34.2 seconds
First paint: 5.0 seconds
Blocking time: 728 ms
Layout shift: 0.000
Page weight: 10.1 MB
Requests: 87

Proof of Work

Museum VrolikOnline experience for a museum
Het NatuurhistorischMuseum website
SuperstaffModern site for a staffing agency
Krimpen SportiefAccessible site for local sport
AeroChamber2GoMobile webshop
WattzBrand positioning and webshop for the Australian market
SGL SystemB2B site for an international football business
Universiteit van Amsterdam TLCKnowledge platform

Clients They Name

Universiteit van AmsterdamMuseum VrolikHet NatuurhistorischSuperstaffKrimpen SportiefAeroChamber2GoWattzSGL SystemVan Rosmalen KliniekBarge MasterVidastoneCNME

Awards They List

Listed among the best agencies in the Netherlands in the FONK150

Work

No verified client sites yet. Firms can submit their sites. We show and count only the ones whose live footer names the firm. Send your sites.

Signed Work

signed client sites found so far

We have not yet found a live client site with a Antum footer credit in our crawl of local business sites. Studios that sign their work, like Website by Antum, can claim this profile and send us the sites to count.

Search Authority

PageRanker Score, link authority from 0 to 100

The PageRanker Score reads the public link graph of the whole web. How it works.

Reviews

No reviews yet. Worked with Antum? Be the first.

Reviews post right away after a spam and clean language check. See one that breaks the rules? Report it. Reviews and votes never change the websbz Score.

websbz Score

59.6websbz Score

Own Site QualityOur lab test of the firm’s own home page. Speed counts most, then access, then build and search basics.24.6/35
Proof of WorkNamed projects, named clients and awards the firm lists, plus live client sites we found carrying its credit.26/30
OpennessDoes the firm publish a street address, a phone, its founding year, its team size and a starting price.9/20
TenureYears in business, from a founding year the firm states. Twenty years earns the full share.0/15

How the score works

Reach

16.5

out of 100. How far the work reaches, kept apart from the websbz Score

Verified client sites0/40none verified yet
Named clients10/1012 named clients
Client scale4/102 named clients with a Wikipedia page
Offices2.5/101 office
Countries0/101 country
Team size0/12not published
Years0/8not published

How Reach works. A fact the firm does not publish counts as zero.

Facts

Website: antum.nl
Headquarters: Krimpen aan den IJssel, Netherlands
Country: Netherlands
Address: Cascade 72-73, 2923 AT Krimpen aan den IJssel
Phone: 0180 76 90 65
Platforms: WordPress and WooCommerce

Where They Rank

Best Web Designers in the Netherlands#7 of 13
Best Web Design Companies in the World#185 of 450
Best Dutch Website Design#5 of 11

Show This Seal

Every award comes with a free seal hosted by websbz. It links back to this page, so anyone can check it is real.

<a href="https://websbz.com/firm/antum/" title="websbz Noted 2026, Beste webdesign in het Nederlands"><img src="https://websbz.com/seal/WB-8Z7VK.svg" width="120" height="120" alt="websbz Noted 2026, Beste webdesign in het Nederlands"></a>

Claim This Profile

Not claimed yet. If you run Antum, claim it to send corrections and signed sites. It is free.

Claim Antum

Add this tag inside the head of the home page at antum.nl. Your websbz seal on the home page works too.
```
<meta name="websbz-verify" content="wbz-c8dcb25c2d">
```
Publish the change so it is live.
Verify below. We read your home page once and look for the tag.

Send Your Client Sites

Sites that carry your credit in the footer. We load each one and show only the sites whose live footer names Antum. Demo and staging addresses never show.

Where This Came From

Pages we read on October 24, 2026.

Is something wrong or out of date? Send a correction. It is free.

The Antum Award, in Hand

How the Noted award looks off the screen. Made to order for winners, ask about one from the contact form.

Framed certificate
A signed certificate in a black frame for the studio wall.
Acrylic award
A clear block with the seal etched in, for a desk or a shelf.
Wall plaque
Brushed champagne metal on walnut, engraved with the award.
Window decal
A round seal for the front door or the office glass.