What powers phta.org?
Last seen Jun 2026 · 55 technologies across 23 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| hot | #38 | 770 |
| certified pool operator | #1 | 580 |
| certified pool operator certification | #2 | 310 |
| certified pool | #1 | 220 |
| trichloro-s-triazinetrione | #1 | 220 |
| liquid chlorine | #7 | 190 |
| certified pool operator | #3 | 190 |
| sodium dichloro-s-triazinetrione | #2 | 160 |
| hot tubs jacuzzi near me | #61 | 130 |
| trichlor | #3 | 130 |
| what is cpo certification | #2 | 120 |
| aqua finance | #68 | 100 |
| sodium hypochlorite | #28 | 100 |
| spa technician | #2 | 96 |
| cpo | #53 | 85 |
| cpo | #53 | 85 |
| certified pool operator course | #1 | 79 |
| certified pool operator class | #1 | 79 |
| cpo certification online | #2 | 78 |
| cpo certification online | #2 | 78 |
| tub | #41 | 78 |
| american pool association | #17 | 78 |
| pool care near me | #30 | 78 |
| genesis pools | #2 | 78 |
| cpo pools | #1 | 64 |
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.
Audience
- 56% desktop
- 41% phone
- 3% tablet
United States
Canada
Pakistan
Venezuela
Iraq
Nepal
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.62 / 10 · ranked #67,780 of all domains
353 referring domains · OpenPageRank
Search traffic
8,400 est. monthly organic visits (US)
4,877 keywords in Google's top 30
Core Web Vitals
| LCP | 4.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 3800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.8 MB · 103 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.phta.org | 29 |
| portal.phta.org | 28 |
| my.phta.org | 25 |
| cpo.phta.org | 18 |
| genesis.phta.org | 18 |
| nwsm.phta.org | 18 |
| wahc.phta.org | 18 |
Full technology history →
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Recent changes
- dropped Cloudflare Bot Management Sep 2025
- dropped Linkedin Insight Tag Sep 2025
- dropped Preact Sep 2025
- dropped Vimeo Sep 2025
- detected Azure Aug 2025
- detected Azure Front Door Aug 2025
- detected Issuu Aug 2025
- detected Java Aug 2025
- detected RSS Aug 2025