Comparison•7 min read

TLD.is vs Competitors: Full Comparison

If you're serious about domain investing, you need an appraisal tool. But which one? Here's the honest breakdown of EstiBot, GoDaddy, Appraise.net, and TLD.is.

EstiBot has been around forever. GoDaddy is everywhere. Appraise.net exists. And now there's TLD.is. So which one should you use?

The honest answer is: it depends on what you value. But let's get into the real comparison so you can decide.

EstiBot: The Old Standby

EstiBot has been the domain industry standard for years. They built the market, and they still have traffic.

What they do well: EstiBot has the biggest database of historical domain sales. Their numbers are based on real transaction data going back years. That's valuable.

What they do poorly: EstiBot gives you a number. That's it. You get an appraisal and no explanation of why. You don't know if they're looking at keyword demand or just guessing. You don't know their methodology. It's a black box. They also charge per appraisal after a very limited free tier.

Price: $0.50 per appraisal after your 2 free ones per day.

The real cost: you're paying for data without context. That's frustrating.

GoDaddy Appraisal: The Big Player

GoDaddy is huge. Everyone knows the brand. They offer a free appraisal tool as part of their domain ecosystem.

What they do well: It's free. It's accessible. GoDaddy has massive domain data because they register millions of domains. Their numbers reflect real market activity.

What they do poorly: The tool is clunky. It's buried in their website. The reasoning is invisible. And honestly? It feels like an afterthought to their main business. They're not focused on appraisals — they're focused on selling domains. Your appraisal is just a side feature.

Price: Free.

The real cost: time wasted looking for the tool, low confidence in the number, and no way to download a certificate or share the appraisal with buyers.

Appraise.net: The Specialist

Appraise.net is smaller and more focused. They're one of the few companies that actually specializes in domain appraisals.

What they do well: They take appraisals seriously. The tool is cleaner than GoDaddy's. They have their own methodology and have built credibility over time. Some brokers respect their numbers.

What they do poorly: They also give you a number without explanation. You still don't know why your domain is worth $5,000 or $50,000. They charge money for appraisals, and if you want a certificate or report, you pay even more.

Price: Starts at $15 per appraisal.

The real cost: a high price for the same opacity as EstiBot.

TLD.is: The New Approach

TLD.is is different because it starts with a different question: not "what's the price?" but "why is this domain worth this price?"

What we do well: Every appraisal includes transparent reasoning. We break down brandability, TLD strength, keyword demand, comparable sales, and investment outlook. You see exactly what we're analyzing and why. Your first appraisal is free — no signup, no email. And if you want to download a verified certificate for buyer presentations, it's just one credit, included in paid tiers.

What we do differently: We explain the why. Most appraisals are black boxes. Ours are open books. You learn something from every analysis, not just get a number.

Price: Free first appraisal. Then $1.99 for 5 appraisals, or $9.99 for 100.

The real cost: slightly less than competitors, with exponentially more context.

The Head-to-Head Comparison

The Real Question

Here's what matters: do you want a number, or do you want to understand the number?

Most investors just want the number. They run a domain through a tool, get a price, and move on. That's fine if you're okay with guessing.

But the best investors want to understand. They want to know why a domain is worth what it's worth. They want to be able to defend the valuation to brokers. They want to download a certificate and show buyers they did their homework.

Guide•9 min read

How to Actually Value Your Domain Portfolio

Most domain investors get appraisals wrong. Here's the six-factor framework the best investors use instead of guessing.

Most domain investors get appraisals wrong. They buy a tool, run a domain through it, get a number, and move on. But that number often means nothing. Why? Because most appraisal tools treat valuation like a black box — you get a price, no context, no reasoning, no way to know if it's real. If you're serious about domain investing, you can't make smart decisions on data you don't understand.

The Problem With Guessing

Domain valuation isn't magic. It's not a dart throw. But it's not simple either. A .com domain can be worth $100 or $100,000. Same TLD, completely different value. So what changes?

Most investors guess. They look at a domain, think "that sounds good," and either overpay or undersell. This costs money. The best investors use a system — they look at the same factors every time. They know what moves the needle and what doesn't, and they can defend their valuations to brokers, buyers, and themselves. Here's how to build that system.

The 6 Factors That Actually Matter

1. Length and Character Structure

The rule is simple: shorter is almost always better. A 4-letter .com is inherently more valuable than a 10-letter .com. Why? Memorability, brandability, scarcity. But not all short domains are equal.

Dictionary words at 4 letters are premium — think "bike.com" or "play.com." Pronounceable strings at 4-5 letters are good; "Uber.com" wasn't a word before. Numeric or mixed domains have lower value — "A1b2.com" is hard to remember. Hyphens are a significant penalty: "My-domain.com" loses 50% or more value compared to "mydomain.com."

Count your letters. If you have 4-5 with dictionary words or easy pronunciation, you're in premium territory. If you have 10 or more, you're competing in a crowded space.

2. TLD (Top-Level Domain) Strength

Not all TLDs are equal. .com is the default where 90% of business happens. If you have a great .com, it's 5-10x more valuable than the same domain on any other TLD.

.co works as an abbreviation for "company" and is worth 20-40% of .com. Everything else — .shop, .club, .buzz — is speculative, worth 5-15% of .com unless it's industry-specific.

If your domain is great but on a weak TLD, you've got a long uphill climb. A mediocre .com beats an excellent .io most of the time.

3. Keyword Demand and Search Volume

Does anyone actually search for what your domain says? "Cryptocurrency.com" has high search volume. "Zxqpw.com" has zero.

Pull up Google Keyword Planner or Semrush and search for your domain's core keyword. 50,000+ monthly searches is a premium keyword with huge commercial demand. 10,000-50,000 is strong. 1,000-10,000 is moderate. Under 1,000 is weak, niche territory.

Also check commercial intent. "Buy X" or "X services" searches are worth more than informational searches like "what is X." A domain matching a high-volume, commercial-intent keyword is worth 5-10x more than one matching a low-volume keyword.

4. Brandability and Memorability

Can someone remember it after hearing it once? This is subjective, but investors can score it consistently.

Natural pronunciation matters — does it roll off the tongue? "Uber," yes. "Qwerty," no. Avoid confusion: does it sound like something else? "Celtics" versus "Seltics" — one is clear, one creates doubt. Look for positive associations: "Velocity" feels fast, "Sloth" does not. Check for offensive connotations — can you market it to your mom? And easy spelling is critical; if people have to guess how to spell it, it's a liability.

Rate your domain on each factor. Hit 4-5 out of 5 and it's brandable. Hit 2-3 and it's a niche play that only specific industries will value. Brandable domains command 3-5x premiums because they're useful to more people.

5. Comparable Sales

What did similar domains actually sell for? This is your anchor to reality. You can theorize all day, but what did the market actually pay?

Sites like NameBio and DomainIndex have transaction histories. Search for similar-length domains on the same TLD, the same keyword on different TLDs, and domains in the same niche or category — and look for sales in the last 6-12 months. Old sales don't matter.

If you find 5 comparable sales at $X, your domain should price in that ballpark. If you can't find any comparable sales, that's a red flag — it might mean the domain is too niche, no one wants it, or you're in uncharted territory. Data beats intuition every time.

6. Investment Outlook and Market Sentiment

Is the space growing or shrinking? A domain in a dying industry is worth less than one in a booming industry, even if the domain itself is identical.

Growing markets right now include AI, crypto, sustainability, wellness, and fintech. Shrinking markets are print media, local classified ads, and desktop software. "ai-startup.com" is worth more today than in 2015 because AI is hotter now. "newspaper-classifieds.com" is worth less than it was in 2005 because that market evaporated.

Think about long-term trajectory. Is this keyword or niche gaining or losing relevance? Will it be valuable in 5 years? 10 years?

Putting It Together: A Real Example

Let's value "fitness.io." Length at 7 letters is not premium, but not terrible — score: 6/10. TLD is .io, tech-friendly but not .com — score: 6/10.

Keyword demand for "fitness" runs 90,000+ monthly searches with high commercial intent from memberships, apps, and gear — score: 9/10. Brandability is strong: one word, easy to say, positive association, clear spelling — score: 9/10.

Comparables show "fitness.com" sold for $2.6M in 2017, "wellness.io" is estimated at $50-80K, and recent .io tech startups in the fitness space are valued at $10-30K per domain — a mid-tier signal. Market sentiment: fitness and wellness are growing with a huge market — score: 9/10.

Stop Guessing. Start Analyzing.

Most domain investors skip this framework because it takes work. They'd rather guess and hope. That's why most domain investors lose money. The investors who win use a system — they look at the same factors every time, and they know what they're buying and why.

Lessons Learned•8 min read

5 Domain Investing Mistakes That Cost Me $50,000

I've lost $50,000 on domains. Not an exaggeration. Here are the mistakes that did it — and how to avoid repeating them.

Some were complete whiffs. Others were close calls where I overpaid or undersold. And most of them came from the same mistakes, repeated over and over.

I'm sharing these not to brag about my failures, but because I see other domain investors making the exact same mistakes. And I want to save you the tuition.

Mistake 1: Falling in Love With a Domain

I bought "venture.io" for $8,000 because it sounded good. Venture. Innovation. Growth. It felt like a winner.

What I didn't do: check if anyone was actually searching for "venture" as a standalone business term. I didn't look at comparable sales. I didn't analyze keyword demand. I just fell in love with the word.

It sat in my portfolio for three years. I sold it for $2,500.

Mistake 2: Ignoring the TLD Premium

I built a whole portfolio of .shop and .club domains because they were cheap and I thought they were "coming soon." .shop ran $50-300 per domain, .club $30-150 — both seemed affordable. I bought about 20 of them, spending roughly $2,500 total.

What I didn't do: realize that a mediocre .com is worth 10x more than an excellent .shop. The TLD matters more than anything else.

I sold the entire portfolio of 20 domains for $800.

Mistake 3: Buying Domains Without Checking Comparables

I spent $3,000 on "meditation.io" because meditation is huge. Wellness is huge. It felt right.

What I didn't do: search NameBio or DomainIndex to see what similar domains actually sold for. I just guessed the value based on my gut. Turns out, similar single-word .io domains in the wellness space were selling for $500-$1,500, not $3,000.

I sold it for $900 after two years.

Mistake 4: Holding Too Long Hoping for Price Appreciation

I bought "fitness.ai" for $1,200 in 2022 when AI was starting to trend. I thought: "AI is the future. Fitness is huge. This domain will be worth $10,000 in three years."

What I didn't do: set a deadline or a price target. I just held, waiting for the perfect buyer who would pay what I imagined. By 2024, I still hadn't sold it. I got an offer for $1,800. I declined because I thought it was worth more. I finally sold it for $1,400 in 2025, after holding for three years and missing multiple offers.

Mistake 5: Not Analyzing Market Trends

I bought a whole portfolio of real-estate domains in 2021-2022 — "Properties.io," "Realestate.io," "Homes.ai." Spent about $6,000 total. Why? Real estate is always a solid market, right?

What I didn't do: notice that the market was already saturated. Mega-platforms like Zillow and Redfin owned the space. Buying real-estate domains in 2022 was like buying newspaper domains in 2010.

I sold the portfolio for $1,800 total.

The Turning Point

I was $50,000 in the hole before I changed my approach. I stopped guessing. I started analyzing. I looked at six factors before buying any domain: length, TLD strength, keyword demand, brandability, comparable sales, and market sentiment.

It's the same framework I now use to value every domain in my portfolio. And instead of doing this analysis manually with spreadsheets and NameBio searches, I built a tool to do it instantly — because I never want another investor to make these mistakes.

Guide•6 min read

What Is a TLD? Domain Extensions Explained, and Why They're Worth Money

If you've ever bought a domain, you've used a TLD without necessarily knowing what it is or why it matters. Here's what it actually means — and why it's one of the biggest levers on what your domain is worth.

The Simple Definition

TLD stands for Top-Level Domain. It's everything after the last dot in a domain name. In "tld.is," the TLD is ".is." In "google.com," it's ".com." In "bbc.co.uk," it's technically ".uk," with ".co" as a second-level domain underneath it.

That's the whole definition. Everyone stops there. But the useful part — the part that actually matters if you own domains or are about to buy one — is what kind of TLD you're looking at, because they are not remotely equal.

The Four Types of TLD

gTLD (generic Top-Level Domain). The open-registration extensions: .com, .net, .org, .info. Anyone can register one for almost any purpose. .com is the original and still the default — when someone says "just Google it," they're picturing a .com in the address bar without even realizing it.

ccTLD (country-code Top-Level Domain). Two-letter codes assigned to countries: .us, .uk, .de, .io (British Indian Ocean Territory), .ai (Anguilla), .is (Iceland's country-code extension, and the one we use here at TLD.is). Some ccTLDs get adopted way outside their country for branding reasons. .io became tech shorthand. .ai rode the AI boom. .co (Colombia) gets used as an abbreviation for "company." A ccTLD's real-world meaning can drift a long way from its origin.

Sponsored TLD. Restricted extensions tied to a specific community or purpose: .edu (accredited US institutions only), .gov (US government), .mil (US military). You can't just buy one — you have to qualify.

New gTLD. The wave of extensions ICANN opened up starting in 2014: .shop, .club, .app, .xyz, .online, and hundreds more. Anyone can register these, same as classic gTLDs, but they haven't earned the same trust or recognition yet. Some will. Most won't.

Knowing which bucket a TLD falls into tells you almost everything about how the market will treat it.

Why This Actually Matters (It's Not Trivia)

Here's the part most explainers skip: TLD isn't just a technical suffix, it's one of the strongest signals in how a domain gets valued. I broke down the full six-factor valuation framework domain investors actually use elsewhere on this blog, but the short version is this — a mediocre .com routinely outsells an excellent domain on almost any other extension. .com remains the default expectation for most businesses and consumers, which is why buyers consistently pay a premium for strong .com names over the equivalent on any other extension.

There's no fixed conversion rate between extensions — anyone who hands you a precise percentage is guessing with confidence. But the pattern holds up consistently enough to be useful:

• .io trades at a real discount to an equivalent .com, though strong tech-brand names can close some of that gap
• .ai carries genuine premium interest right now, but still generally sits well below .com pricing for the same word
• .is and most other ccTLDs used outside their home country trade even further below .com, since they lean more on wordplay than default trust
• .net and .org sit closer to .com in recognition but still consistently undersell it
• .co benefits from doubling as shorthand for "company," so it tends to hold value better than most alternatives
• New gTLDs (.shop, .club, .buzz, and the rest) are the most speculative — most sell for a small fraction of the .com equivalent, and the market hasn't decided to trust most of them yet

That gap is why "I found the perfect word, just on a weird extension" is one of the most common ways domain investors talk themselves into a bad purchase. The word matters. The extension multiplies or discounts it.

So Which TLD Should You Actually Use?

Depends on what you're doing with it.

Building a business people need to trust with money or personal information? Get the .com if it's available, even if it costs more or forces a slightly different name. The trust discount on unfamiliar extensions is real, and it shows up in conversion rates, not just brand perception.

Building something for a technical or developer audience? .io has earned real standing there, even though its ccTLD origin has nothing to do with tech.

Naming something clever, memorable, or wordplay-driven, aimed at an audience that already gets the reference? A ccTLD used for its meaning rather than its geography — .is, .to, .gg — can work well. It's a trade: you gain a name nobody forgets, you lose some instant legibility with people outside that audience.

Speculating on a new gTLD because it's cheap? Be honest with yourself about why. "Cheap and available" is not the same as "will hold value." Most new gTLDs are worth a fraction of their .com equivalent for a reason — the market hasn't decided to trust them yet, and most never will.

The One-Sentence Version

If you already own a domain and you're not sure whether its TLD is helping or hurting its value, that's exactly the kind of question worth getting a real answer to instead of guessing — see how domain investors actually value names for the full framework, or run it through our free domain appraisal tool directly.