What powers postfilter.nl?
Last seen Aug 2026 · 16 technologies across 10 categories
Accessibility
Analytics
Font scripts
JavaScript libraries
Miscellaneous
Security
Tag managers
UI frameworks
Web servers
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| brievenbussen postnl | #46 | 0 |
| brievenbus postnl | #46 | 0 |
| brievenbus | #88 | 0 |
| brievenbus | #62 | 0 |
| uw stickers | #63 | 0 |
| reclamefolders | #47 | 0 |
| staatsloterij inlog | #28 | 0 |
| sticker op | #91 | 0 |
| neenee | #71 | 0 |
| per adres | #74 | 0 |
| post filters | #97 | 0 |
| post filter | #74 | 0 |
| post filter | #44 | 0 |
| post.nl review | #30 | 0 |
| postnl review | #42 | 0 |
| ja nee-sticker | #43 | 0 |
| ja nee sticker | #42 | 0 |
| ja nee-sticker | #43 | 0 |
| ja nee sticker | #42 | 0 |
| h-e-b sticker | #60 | 0 |
| h-e-b filters | #65 | 0 |
| heb sticker | #60 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 74% phone
- 26% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.62 / 10 · ranked #144,645 of all domains
127 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- Weight: 2.7 MB · 52 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on COMPUKOS-AS (178.21.117.170, IPv6)
- DNS: hostnet.nl
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P384, expires Dec 2026
- Common Crawl link graph: rank 2,754,091, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| postfilter.nl | 14 |
| bedrijven.postfilter.nl | 13 |
| www.postfilter.nl | 7 |
Full technology history →
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Recent changes
- detected Bootstrap May 2026