Finding reliable information about cats online can be surprisingly difficult. There are thousands of websites covering everything from cat food and health to behavior, grooming, products, and indoor enrichment. The problem is that not every website is equally useful for every question.
Some sites are backed by veterinary schools or professional organizations. Others specialize in cat food, behavior, or product testing. And some are valuable simply because they give cat owners a place to share their experiences.
So instead of treating these websites as a strict ranking, we’ve selected them based on what they do best.
Whether you’re researching a health problem, trying to understand your cat’s behavior, comparing cat food, or looking for ways to make life more interesting for an indoor cat, the list below can help you find the right resource for the job.
Quick Guide: Which Cat Website Should You Use?
If you already know what you’re looking for, this quick guide can point you in the right direction.
| If you want to… | Start with… |
|---|---|
| Learn about feline health | Cornell Feline Health Center |
| Find everyday cat-care information | CatCareLife |
| Research cat products | Cats.com |
| Compare cat food | CatFoodAdvisor |
| Understand cat behavior | International Cat Care |
| Learn about feline nutrition | CatInfo.org |
| Create a more cat-friendly home | Cat Friendly Homes |
| Talk with other cat owners | TheCatSite |
| Quickly look up health information | PetMD |
| Improve indoor cat enrichment | Indoor Pet Initiative |
Now, let’s look at what makes each website useful.
1. Cornell Feline Health Center
Best for: Feline Health Information
If you’re researching a health problem rather than looking for a general cat-care tip, the Cornell Feline Health Center is one of the most useful resources to know about.
Operated by the Cornell University College of Veterinary Medicine, the center focuses specifically on feline health, research, education, and outreach. Its online resources cover a wide range of topics, including feline diseases, infectious diseases, nutrition, behavior, aging, and common health concerns.
What makes Cornell particularly valuable is its academic and veterinary focus. It isn’t simply a general pet blog with a cat section. The center exists specifically to improve understanding of feline health.
That makes it a good place to start when you want to learn more about a medical condition or understand a health topic before talking with your veterinarian.
Feline Health · English
2. CatCareLife
Best for: Everyday Cat Care
Not every question about cats requires a veterinary textbook. Sometimes you simply want to understand how a cat’s body works, how to groom your cat, or what a particular part of normal feline care involves.
That’s where a comprehensive cat-care website can be useful.
CatCareLife covers a broad range of topics related to living with and caring for cats, including feline anatomy, grooming, behavior, health, and everyday care. Instead of concentrating on just one subject, it provides a broader starting point for people who want to learn more about cats.
This is especially useful for new cat owners who are still building their basic knowledge. You can start with a general question and then explore more specialized resources when you need deeper information.
Everyday Cat Care · English
3. Cats.com
Best for: Cat Product Reviews and Practical Care
Choosing products for a cat can quickly become overwhelming. There are countless choices for food, litter, toys, grooming tools, beds, carriers, fountains, and other supplies.
Cats.com is particularly useful when your question is not just “What does my cat need?” but “Which product should I consider?”
The site combines general cat-care information with product reviews and testing. It covers products across categories such as cat food, litter, toys, grooming, and other cat supplies, while also publishing guides about health, behavior, and everyday care.
For cat owners who like to research before buying something, this makes Cats.com a useful resource to keep bookmarked.
It is especially helpful when you want practical information alongside product comparisons rather than having to rely entirely on retailer descriptions.
Cat Product Reviews · 9 Languages
4. CatFoodAdvisor
Best for: Cat Food Reviews & Ratings
Choosing a cat food can be surprisingly complicated. There are countless brands, recipes, ingredient lists, and nutritional claims, and comparing them all can take a lot of time. CatFoodAdvisor is built specifically to make that research easier. The site focuses on cat food reviews and ratings, with individual reviews covering ingredients, nutritional information, AAFCO profiles, recalls, and other details that can help owners compare products. It also publishes lists of recommended cat foods and reviews products across different categories and life stages. If you’re trying to narrow down your options before buying cat food, CatFoodAdvisor is a useful resource to have alongside more general cat-care websites.
Cat Food Reviews & Ratings · English
5. International Cat Care
Best for: Cat Behavior & Welfare
If you want to better understand why cats behave the way they do, International Cat Care is one of the most useful resources to explore. The organization focuses on feline health, welfare, behavior, and education, with resources designed for both cat owners and professionals who work with cats. Its content looks beyond individual behavior problems to explain cats’ natural behaviors, environmental needs, social interactions, and overall well-being. You’ll also find practical guidance on topics such as cat-friendly handling, introducing cats, environmental needs, and behavior. Rather than treating every unwanted behavior as something that simply needs to be stopped, International Cat Care encourages owners to understand what their cats need and how their environment can influence behavior.
Cat Behavior & Welfare · English
6. CatInfo.org
Best for: Feline Nutrition
Cat food labels can be confusing, especially when you’re trying to understand what cats actually need in their diet.
CatInfo.org takes a deep dive into feline nutrition. The site’s main resources, written by veterinarian Lisa A. Pierson, DVM, discuss topics such as feline dietary needs, moisture, canned and dry food, and different aspects of feeding cats.
Unlike a general product-review website, CatInfo focuses more on the underlying principles of feline nutrition. That makes it useful for owners who want to understand the reasoning behind different feeding choices rather than simply being told which product to buy.
The information is particularly useful as educational background when you’re trying to make sense of the many opinions surrounding cat food.
Feline Nutrition · English
7. Cat Friendly Homes
Best for: Creating a Cat-Friendly Home
A cat’s health isn’t only about food and veterinary visits. The environment where a cat lives can also affect its comfort, behavior, and stress levels.
Cat Friendly Homes, associated with the American Association of Feline Practitioners, focuses on helping owners create environments that better meet feline needs.
The resource looks at everyday parts of a cat’s environment, including resting areas, hiding places, litter boxes, scratching, feeding, play, and interactions with other cats.
This is especially useful for people living with multiple cats or dealing with environmental changes. Instead of asking only what the owner wants from the household, the site encourages people to consider how the environment feels from the cat’s point of view.
Cat-Friendly Home · English
8. TheCatSite
Best for: Cat Owner Community
Sometimes you don’t just want to read an article. You want to know whether another cat owner has experienced the same thing.
That’s where TheCatSite is different from many of the other websites on this list.
The site has an active community and forum where cat owners discuss everything from behavior and nutrition to kittens, grooming, health concerns, and everyday life with cats.
Community discussions can be particularly useful for discovering practical experiences that aren’t always covered in standard articles. You may find someone who has dealt with a similar situation and can explain what happened in their household.
Of course, personal experiences aren’t the same as professional advice. Health concerns should still be discussed with a veterinarian, but community forums can be a useful place to exchange ideas and experiences.
Cat Owner Community · English
9. PetMD
Best for: Quick Cat Health Information
Sometimes you don’t need a deep academic explanation. You simply want to understand a symptom.
Why is my cat vomiting? What does it mean if my cat isn’t eating? Why is my cat hiding? What are the signs of a particular disease?
PetMD is useful for these quick health searches because its cat section contains a large collection of articles about symptoms, diseases, conditions, behavior, and general feline health.
Its accessible format makes it convenient when you want to get a basic understanding of a health topic or prepare questions before speaking with your veterinarian.
Just remember that symptom searching has limits. The same symptom can have many different causes, and an article cannot examine your cat or make a diagnosis.
Cat Health Information · English · Spanish
10. Indoor Pet Initiative
Best for: Indoor Cat Enrichment
Keeping a cat indoors can protect it from many outdoor dangers, but simply keeping a cat inside isn’t the whole story.
Indoor cats still have natural needs. They may want to climb, scratch, hide, explore, hunt, play, and interact with their environment.
The Indoor Pet Initiative from The Ohio State University focuses on helping owners understand these needs and create better indoor environments for their pets.
Its cat resources cover topics related to feline behavior, environmental enrichment, stress, problem solving, and other aspects of indoor life.
This makes it particularly useful for owners who feel that their indoor cat is bored, stressed, inactive, or developing unwanted behaviors.
The goal isn’t simply to give a cat more toys. It’s to create an environment that gives the cat meaningful opportunities to behave like a cat.
Indoor Cat Enrichment · English
How to Choose the Right Cat Website
With so many cat websites available, you don’t necessarily need to find one site that does everything.
Instead, think about the question you’re trying to answer.
If you’re researching a disease or serious health concern, start with veterinary or academic resources such as Cornell Feline Health Center or use PetMD for accessible background information.
If you’re trying to understand why your cat is behaving strangely, a behavior-focused resource such as International Cat Care may be more useful.
For food research, CatFoodAdvisor and CatInfo.org provide more specialized information than a general cat-care website.
If you’re trying to improve your home, Cat Friendly Homes and the Indoor Pet Initiative can help you think about your cat’s environment and enrichment.
And if you want to compare products, Cats.com can be a useful starting point.
The best resource is therefore not necessarily the biggest website. It’s the one that matches the question you are trying to answer.
A Note About Online Cat Health Information
Online resources can be extremely useful for learning about cats, but they have limits.
A website can help you understand a symptom, learn about a disease, or prepare questions for your veterinarian. It cannot examine your cat, observe its behavior in person, or make a reliable diagnosis based on a search query alone.
This is especially important because cats can hide signs of illness, and seemingly minor changes in appetite, behavior, litter box habits, or activity can sometimes have many possible causes.
Use online resources to become a more informed cat owner—not as a replacement for professional veterinary care.
If your cat has severe, sudden, or persistent symptoms, contact a veterinarian.
