How to tell if a website was made with AI
Six checks, from the address bar to the response headers, that show whether a site came out of Lovable, Bolt, v0 or another AI builder.
Kitsuvo blog
How to spot AI-built websites.
Plain guides to how vibe-coded sites are made, the traces they leave, and how to browse with your eyes open. From Kitsuvo: Less AI, less Slop. First no-AI web browser, free for Mac and Windows.
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Which AI builder made a site?
The hosting domains, scripts, badges and headers each builder leaves, and what each kind of evidence is worth.
How to tell if a website was built with an AI builder
Most AI builders sign their work in a place a visitor can check. This hub lists the fingerprints Kitsuvo's detector rules actually test for, and what each kind of evidence is worth.
Compare AI website detectors, blockers and no-AI browsers
Named tools side by side: what each one does, what it misses and what it costs. We make Kitsuvo, and every comparison says so.
AI website detector alternatives: web checkers vs a browser
Two popular web checkers and one browser all answer the same question, was this site built with an AI builder. They differ in where they run, what they read and what you give up.
VanBrowser vs Kitsuvo: two kinds of no-AI browser
Both call themselves no-AI. One leaves AI out of the browser. The other leaves AI-built websites out of your results. Here is what that means in practice.
Slop Evader alternatives: date filters, blocklists and a browser
Four different ideas for getting AI slop out of your searches: a date cutoff, a list of image sites, a list of content farms, and detection by how a site was built.
No-AI search compared: DuckDuckGo, Kagi SlopStop and Kitsuvo
Two search engines and one browser all promise less AI. One removes AI features, one downranks flagged slop, and one filters AI-built sites in your results.
Best tools to filter AI-generated content from search (2026)
Some tools remove the engine's AI answers, some push down flagged pages, some cut off by date, and one detects AI-built sites. Each entry says what it is best for and where it falls short.
Best browsers and extensions to avoid AI answers (2026)
Some browsers promise never to add an AI assistant, some give you a switch, and some extensions fix the search page. Here is what each one does and where it stops.
Best AI-generated website detectors compared (2026)
Seven tools answer one question: was this site built with an AI builder. They differ in what they read, where they run, what they cost and how much they admit they do not know.
AI website detector tools compared: checkers, extensions and browsers
There are four kinds of tool that can tell you a site was built with AI. They differ in what they can see, what they send away, and how honest they are about doubt.
Lovable vs Bolt vs v0: how their websites differ
Three of the most popular AI app builders produce sites that look almost identical. Underneath, each leaves its own marks.
All guides
How to turn off AI features in Firefox and Chrome
Firefox now has a single switch. Chrome has a handful of toggles and no master off. Where each setting lives, and what it leaves alone.
How to turn off AI answers in search engines
Some engines have a switch, some only a workaround, and one has neither. Here is where each setting lives and what it leaves on the page.
How to hide AI-generated images in search results
Two search engines have a built-in filter. Google does not. Here are the steps for each, how they decide what counts, and what still slips through.
Are AI content detectors accurate? What the evidence says
A published test flagged most essays by non-native English writers as AI. OpenAI withdrew its own detector. Here is what that means for judging a web page.
Does Google penalize AI-generated websites? What its policy says
Google says using AI is not the problem. Producing many pages that add nothing is. Here is what the policy says and why such pages still reach your results.
What is a vibe coded website?
Where the term came from, how these sites get made, why so many of them look the same, and when a visitor should care.
How to tell if a website was built with Lovable
Lovable is the most common AI app builder on the web, and it leaves more fingerprints than most. Here is every one we know of, and a 30-second check.
Which AI builder made this website? A fingerprint guide to Bolt, v0, Base44, Replit and more
Every AI app builder leaves its own marks. This reference shows the domains, scripts, headers and badges that name the builder behind a site.
How to spot phishing sites built with AI website builders
AI builders made fake sign-in pages cheap to make and quick to publish. The tells are still there if you know where to look.
How to hide AI-generated sites from search results
Five ways to clean up your results pages, what each one actually filters, and the catch with every one of them.
The phrases that give away AI-written website copy
Language models have a house style. Here are the phrases and patterns that show up again and again on AI-built sites, and why counting them beats spotting one.
How to check if a website is legit before you buy or sign in
Nine checks, most of them under a minute, for deciding whether to trust a shop, a sign-in page or a site that suddenly wants your details.
How to tell if a website was built with Bolt
Bolt.new publishes to its own hosting and marks it in the response headers. Here is every Bolt fingerprint we know, and how to check for them.
How to tell if a website was made with v0
v0 sites run on Vercel, the same platform as a huge share of hand-built sites. That makes them harder to spot, but not impossible.
How to tell if a website was built with Base44
Base44 builds whole apps with a database and sign-in. Its clearest fingerprint is the app talking to Base44's backend, which you can watch happen.
What is AI slop? How to spot mass-produced AI websites
Slop is not the same as AI-built. It is about effort and intent, and it leaves its own, very different set of traces.
What is this website built with? How to check any site's platform
Every platform leaves its name somewhere in the page. Here is where to look, and the tells for the most common platforms, AI builders included.
The fake CAPTCHA scam: why no real check asks you to press Win+R
It looks like the "I'm not a robot" box you click every week. Then it asks you to open the Run dialog and paste. That second step is the whole attack.
How to report a phishing website and get it taken down
A two-minute report can get a fake site blocked in browsers used by billions of people. Here is where to send it, in order of impact.
Why do AI-generated websites all look the same?
The purple gradient, the pill badge, the three feature cards. There are concrete reasons AI builders keep producing the same page, and they tell you something about how it was made.
Is shadcn/ui a sign a site was made with AI?
Nearly every AI builder uses it, and so do hundreds of thousands of hand-built sites. Here is how to recognise shadcn/ui and how much weight to give it.
How to tell if a website was built with Replit
Replit hosts both AI-generated apps and code people wrote by hand. Here is how to spot a Replit site, and why that alone doesn't settle whether AI built it.
Are vibe coded apps safe to sign up for?
Most apps built with AI are harmless. Some leak everything typed into them. A few checks before you sign up tell you which kind you are looking at.
Browser without AI: what does that mean?
People use “browser without AI” to mean two different things. One leaves out built-in AI assistants; the other filters likely AI-built websites from search.
How to turn off AI Overviews in Google search
There is no off switch, but there is a reliable workaround, and you can make it permanent in about a minute.
How to spot a fake online store before you pay
Scam shops used to look cheap. Now they can look like a brand launch built in an afternoon. The tells have moved, but they are still there.
How to check if a website is AI generated on your phone
Mobile browsers hide most of the clues: the full address, the source, the headers. A few tricks bring the important ones back.
How to spot sites made with Manus, Gamma, Figma Make and other newer AI builders
Beyond Lovable, Bolt and v0, a long tail of AI builders publishes sites every day. Each still leaves a domain, a badge or an asset host behind.
How to block AI-generated websites in your browser
Hiding AI sites in search results is one thing. Stopping them from loading at all, whichever link you follow, takes a different set of tools.
How to spot AI-generated review sites and fake "best of" lists
Search for "best air fryer" and half the results are lists nobody tested. A few quick checks separate real reviews from generated ones.
How to tell if images on a website are AI-generated
Pictures are the hardest part of a website to judge. A few checks give real answers; the rest give hints, and it helps to know which is which.
What is a content farm? How to spot one in 2026
Content farms existed long before AI. Generative tools just removed the last thing holding them back: the cost of writing.
How to spot AI-generated news sites
They look like local papers and wire services. Behind them there is no newsroom, just a feed of rewritten stories and the occasional invented one.
Should you build your business website with AI? What visitors notice
AI builders can get a small business online in an afternoon. Whether visitors trust the result depends on what you do after the first draft.