What powers sera.nl?
Last seen Aug 2026 · 45 technologies across 22 categories
Advertising
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
Reverse proxies
Security
Tag managers
Video players
Web frameworks
Web servers
WordPress plugins
WordPress themes
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 |
|---|---|---|
| conversieoptimalisatie | #99 | 0 |
| conversieoptimalisatie | #36 | 0 |
| sera software reviews | #35 | 0 |
| sera design | #85 | 0 |
| sera design | #11 | 0 |
| sera crm | #40 | 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
- 86% phone
- 14% desktop
Belgium
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.03 / 10 · ranked #243,174 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 16.3 MB · 168 requests
- WordPress theme: hello-elementor · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- SERA Business Design
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on HOASTED (45.152.250.20, IPv6)
- DNS: TransIP
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 10,960,120, 5 hosts
- Verified with: Atlassian, Google, Microsoft 365, Postman
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sera.nl | 35 |
| www.sera.nl | 19 |
| support.sera.nl | 15 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Mar 2026