---
title: What an AI agent reads on Dr Calvin Ong · The Direct Index
url: https://directindex.org/r/drcalvinong.com/agent-view?format=md
---

[The Direct Index](https://directindex.org/)
[Scanner](https://directindex.org/scan)[Cities](https://directindex.org/cities)[Numbers](https://directindex.org/stats)[Rankings](https://directindex.org/rankings)[Search](https://directindex.org/search)[Guides](https://directindex.org/guides)[About](https://directindex.org/about)

 [Report](https://directindex.org/r/drcalvinong.com) · scanned 2026-10-22

# What an AI agent reads on Dr Calvin Ong

An assistant's crawler fetches the page once, without running JavaScript, and reads the text, the structured data and the links. Below is what it gets from [drcalvinong.com](https://drcalvinong.com/), taken from the copy the scanner kept.

7,381

characters of text without JavaScript

Organization

structured data for the business

0

of 3 AI crawlers turned away at the edge

 Text

## The words an agent gets

Title: Colorectal Surgeon & Clinic Singapore | Dr Calvin Ong · language en-US. First 1,800 of 7,381 characters:

```
Colorectal Surgeon & Clinic Singapore | Dr Calvin Ong Skip to content +65‎ 6643‎ 9922 [email protected] Home About Dr. Calvin Ong Conditions Colon Colorectal Cancer Colon Polyps Diverticular Disease Meckel’s Diverticulum Anorectal Disorders Haemorrhoids Anal Fistula Anal Fissures Rectal Prolapse Rectal Polyps Perianal Abscess Inflammatory Bowel Disease Crohn’s Disease Ulcerative Colitis Emergency Surgery Appendix Surgery Gallbladder Surgery Gastrointestinal Bleeding Small and Large Bowel Obstruction Hernias Inguinal Hernia Umbilical Hernia Pelvic Floor Disorders Faecal Incontinence Procedures Piles Surgery Hernia Surgery Minimally Invasive Colorectal Surgery Robotic Colorectal Surgery Colonoscopy Gastroscopy Laparoscopic Cholecystectomy Appendicectomy Blog Media Contact Us Colorectal & General Surgeon In Singapore Dr Calvin Ong MBBS | M.MED (SURGERY) | MRCS | FRCS Fellowship trained colorectal specialist and general surgeon providing comprehensive tailored treatments for a range of general and colorectal conditions. Specialises in minimally invasive robotic colorectal surgery with expertise in colorectal cancer treatment, endoscopy, hernia repair, minimally invasive piles surgery and anal fistula management. Make an Enquiry Conditions & Procedures We Specialise In At our colorectal clinic in Singapore, we provide comprehensive diagnosis and treatment for a range of colorectal and general surgical conditions. From common issues such as piles and hernias to more complex conditions like colorectal cancer and anal fistulas, our focus is on delivering reliable assessments and personalised, minimally invasive treatment. Robotic Colorectal Surgery Colorectal Cancer Hernia Repair Piles Minimally Invasive Surgery Emergency Surgery Colonoscopy Gastroscopy Anal Fistula Understandi
```

 Facts

## What it can say about the business

| A business type in JSON-LD | Organization |
| Name | Dr Calvin Ong |
| Telephone | +65‎ 6643‎ 9922 |
| Address | no |
| Opening hours | no |
| Menu or price list | nothing |
| Cuisine in structured data | no |
| JSON-LD blocks | 5 (AggregateRating, BreadcrumbList, ContactPoint, Country, GeoCoordinates, Hospital) |

 Actions

## The links it would act on

No booking or ordering link found; only a phone number (+6566439922). An agent has nothing to act on.

Everything here comes from fetching the homepage once as a crawler. The [report](https://directindex.org/r/drcalvinong.com) turns it into a score and a list of fixes, with code to paste.

#### The Direct Index

[Why direct](https://directindex.org/why)[What agent-direct means](https://directindex.org/agent-direct)[About and principles](https://directindex.org/about)[Methodology](https://directindex.org/methodology)[Privacy](https://directindex.org/privacy)[Terms](https://directindex.org/terms)[Corrections](https://directindex.org/corrections)[Legal notice](https://directindex.org/legal)

#### Use it

[Free scanner](https://directindex.org/scan)[City indexes](https://directindex.org/cities)[Search the index](https://directindex.org/search)[Rankings](https://directindex.org/rankings)[What assistants recommend](https://directindex.org/assistants)[Ask the index](https://directindex.org/ask)

#### Vendors and help

[Booking and ordering vendors](https://directindex.org/vendors)[Which vendors' terms allow agents](https://directindex.org/vendors/terms)[Vendor verification](https://directindex.org/vendors/verification)[Website builders](https://directindex.org/builders)[Who can fix this](https://directindex.org/providers)[For agencies](https://directindex.org/agency)

#### For agents

[llms.txt](https://directindex.org/llms.txt)[llms-full.txt](https://directindex.org/llms-full.txt)[OpenAPI](https://directindex.org/openapi.json)[MCP server](https://directindex.org/.well-known/mcp/server-card.json)[A2A agent](https://directindex.org/.well-known/agent-card.json)[Direct feeds](https://directindex.org/direct.json)

#### Data

[Open data, CSV and JSON](https://directindex.org/data)[The quarterly edition](https://directindex.org/editions)[City data, JSON and Markdown](https://directindex.org/cities)[Sitemap](https://directindex.org/sitemap.xml)

Business listings come from OpenStreetMap contributors, under the ODbL. Scores are published under the same licence.

```json
{"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://directindex.org/#org","name":"The Direct Index","url":"https://directindex.org/","logo":"https://directindex.org/favicon.svg","email":"hello@directindex.org","founder":{"@type":"Person","@id":"https://directindex.org/#antonio","name":"Antonio Curado","sameAs":["https://x.com/ab_curado"]},"description":"Independent measurement of whether AI agents can find, read and act on a business's own website."},{"@type":"WebSite","@id":"https://directindex.org/#site","url":"https://directindex.org/","name":"The Direct Index","publisher":{"@id":"https://directindex.org/#org"},"inLanguage":"en","potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://directindex.org/scan?url={url}"},"query-input":"required name=url"}},{"@type":"WebAPI","name":"The Direct Index API","url":"https://directindex.org/openapi.json","documentation":"https://directindex.org/llms-full.txt","provider":{"@id":"https://directindex.org/#org"}}]}
```