What powers ef.co.id?
Last seen Jun 2026 · 39 technologies across 21 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| ordinal counting | #77 | 25 |
| compound sentence complex sentence | #73 | 23 |
| subject pronouns | #85 | 19 |
| bokek artinya | #4 | 17 |
| approve | #73 | 16 |
| complex sentence compound sentence | #70 | 9 |
| those artinya | #3 | 7 |
| wish vs hope | #25 | 5 |
| english first indonesia | #2 | 5 |
| excited artinya apa | #3 | 4 |
| define hortatory | #77 | 4 |
| check this out | #80 | 3 |
| congratulations vs congradulations | #42 | 3 |
| terima kasih | #25 | 3 |
| there is and there are | #94 | 3 |
| sometime or some time | #72 | 3 |
| ordinal and cardinal | #96 | 3 |
| possessive pronoun deutsch | #99 | 3 |
| fourteen or forteen | #68 | 3 |
| bunga bunga | #50 | 2 |
| terjemahan bahasa inggris ke indonesia | #34 | 2 |
| simple sentences and complex sentences | #67 | 2 |
| analytical text | #52 | 2 |
| ninetieth | #90 | 2 |
| ninth or nineth | #71 | 2 |
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
- 83% phone
- 15% desktop
- 2% tablet
Indonesia
Singapore
Malaysia
Taiwan
Hong Kong SAR China
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.01 / 10 · ranked #109,182 of all domains
246 referring domains · OpenPageRank
Search traffic
230 est. monthly organic visits (US)
474 keywords in Google's top 30
Core Web Vitals
| LCP | 3 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Indonesian
- CDN: Amazon CloudFront, Cloudflare
- Weight: 6.4 MB · 211 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.ef.co.id | 30 |
| challenge.ef.co.id | 12 |
Full technology history →
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Recent changes
- detected Amazon S3 May 2026
- detected OneTrust Apr 2026
- dropped Adobe Audience Manager Aug 2025