What powers 
k12reader.com?
Last seen Oct 2026 · 16 technologies across 11 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
SEO
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| reading comprehension | #1 | 6,700 |
| reading comp worksheets | #2 | 2,000 |
| reading comprehension worksheets | #2 | 2,000 |
| reading comprehension class 3rd | #2 | 1,300 |
| main idea worksheets | #1 | 740 |
| parts of speech worksheets | #1 | 730 |
| reading comprehension printables | #2 | 600 |
| fry sight words | #2 | 590 |
| fry word list | #1 | 580 |
| conclusion transition phrases | #7 | 570 |
| handwriting practice worksheets | #4 | 570 |
| penmanship worksheets | #4 | 570 |
| high frequency words | #4 | 530 |
| writing practice worksheets | #4 | 530 |
| simple predicate | #3 | 490 |
| cause and effect worksheets | #1 | 400 |
| parts of speech practice worksheets | #2 | 390 |
| main idea details graphic organizer | #2 | 320 |
| cursive alphabet | #31 | 320 |
| homophones worksheet | #2 | 310 |
| vocabulary worksheets | #2 | 310 |
| writing worksheets | #2 | 310 |
| vocabulary practice worksheets | #2 | 310 |
| fry sight word list | #2 | 270 |
| adverb practice worksheet | #2 | 260 |
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
- 84% desktop
- 14% phone
- 2% tablet
United States
Canada
Philippines
Australia
India
Pakistan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.28 / 10 · ranked #214,563 of all domains
276 referring domains · OpenPageRank
Search traffic
69,500 est. monthly organic visits (US)
23,638 keywords in Google's top 30
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 1.1 MB · 85 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Mar 2007 (19 years) via Cloudflare, Inc., renews Jun 2027
- Hosted on Cloudflare (104.21.65.88, IPv6)
- DNS: Cloudflare DNS
- Email: sallyjo.com
- Email security: SPF (hard fail), DMARC reject
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 65,338, 3 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- dropped Cart Functionality Jan 2026