Open Paper
The fastest way to annotate and deeply understand research papers.
Whois information
| Domain | openpaper.ai |
|---|---|
| Registrar | Cloudflare, Inc |
| Created | 05/13/2025 |
| Expires | 05/13/2027 |
| Updated | 08/11/2026 |
| Domain status | client transfer prohibited |
| DNSSEC | Unsigned |
| Registrant country | 🇺🇸 United States |
| Name servers | lily.ns.cloudflare.comandy.ns.cloudflare.com |
SEO audit
9 of 16 checks passed60
SEO score
Response 419 ms · 39 KB
- Served over HTTPS
- Title tag present
- Title length 30 to 60 charactersKeep the title between 30 and 60 characters.
- Meta description present
- Description length 70 to 160 charactersKeep the description between 70 and 160 characters.
- Exactly one H1 headingAdd one clear H1 heading.
- Uses H2 sub-headingsStructure content with H2 sub-headings.
- Canonical URL setAdd a rel="canonical" link to avoid duplicate content.
- Mobile viewport tag
- Language declared
- Open Graph tags
- Twitter card tags
- Structured data (JSON-LD)Add Organization or Product JSON-LD.
- Images have alt text
- At least 300 words of contentAdd more indexable copy to the homepage.
- Responds in under 1.5 seconds
- Title (10 characters)
- Open Paper
- Description (66 characters)
- The fastest way to annotate and deeply understand research papers.
- Headings
- 0 H1, 0 H2, 0 H3
- Words on page
- 4
- Links
- 7 internal, 0 external
- Structured data
- None
On-page keywords
| Phrase | Type | Mentions |
|---|---|---|
| homelibraryprojectsaskdiscoversign intoggle | Two words | 1 |
| intoggle sidebaropen | Two words | 1 |
| sidebaropen paper | Two words | 1 |
| homelibraryprojectsaskdiscoversign intoggle sidebaropen | Three words | 1 |
| intoggle sidebaropen paper | Three words | 1 |
| homelibraryprojectsaskdiscoversign | Word | 1 |
| intoggle | Word | 1 |
Tech stack and pricing
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About Open Paper
What is Open Paper?
The fastest way to annotate and deeply understand research papers.
What are the best Open Paper alternatives?
Popular alternatives in October 2026 include Search - Microsoft Bing, ChatGPT, DuckDuckGo, Claude.