Public response
Actual URL, status and reading limits
TECHNOLOGY INTELLIGENCE / FOLLOW THE EVIDENCE
Technology stack detector
Understand how a website is built. Identify technology through public responses, rendered signals and resources, then verify the evidence.
HTTP response + Browser renderingSingle-page sample · Unknowns retained · Optional AI
02 / UNDERSTAND THE BUILDING BLOCKS
PUBLIC SIGNALS ONLYMove from appearance to evidence
Technology categories, matching evidence and coverage help product, operations and development teams review website architecture.
Dynamic signals
Whether browser sampling completed
Detection evidence
Supporting signals for each technology
Unknowns retained
No unsupported backend inference
A snapshot of one page
A resource, a weak signal and actual execution are different observations. Not observed does not mean absent.
02 / REVIEW THIS OBSERVATION
Website Technology Report
The URL or options changed. This report belongs to the previous submission; run a new check for the current page.
IDENTIFY / THEN VERIFY
Technology groups and matching evidence
Levels describe evidence strength, not calibrated probabilities. Expand to review rules and actual observations.
Logos identify technologies; some products use a text label.Icon sources and licenses ↗
WHAT WAS ACTUALLY OBSERVED
Observed resources and public signals
Resource URLs are redacted, retaining only valid semantic version hints. A successful response does not prove execution; resources may come from embeds or leftover code.
OPTIONAL / EXPLAIN THE OBSERVATIONS
Gemini explanation and verification steps
RESPONSE / REDIRECT / SCOPE
Response details and detection coverage
Method, unknowns and limitations
Save a report you can verify
Keep the URL, time, rule evidence and sampling limits.
PUBLIC PAGE / OBSERVED EVIDENCE / UNKNOWN KEPT EXPLICITNo automatic URL storage · Optional AI explanations
YOUR NEXT STEP
Turn a website check into a monitoring routine
Create a company account to manage sites and notifications. Pro supports 5 sites and 5-minute availability monitoring, with deep diagnostics available according to your plan and permissions.
New companies receive a 14-day Pro trial, with no card required. Trials exclude the paid monthly credit grant.
Already have an account? Open your workspace →Website technology detection grounded in evidence
Website, commerce, product and development teams often need to identify platforms, frontend frameworks, analytics and delivery services. This detector uses public HTTP, HTML, DOM and resource URLs, retaining matching evidence. For WordPress, Shopify, Next.js and other technologies, concrete identifiers and resources are more useful than appearance alone.
Modern websites combine CMS content management, interactive frameworks, CSS libraries, analytics and CDNs or proxies. The tool groups observations into verifiable architecture clues. It does not access private source code, server configuration or databases.
Review static responses and browser rendering separately
Initial HTML provides metadata, static resources and some framework signals. JavaScript, SPAs and deferred components may expose more. Restricted browser sampling is enabled by default and records whether it completed. If rendering fails, static findings may remain useful, but dynamic coverage can be incomplete.
The report is a snapshot of a specific URL at a specific time. Pages, locations, caches, experiments and login state can expose different components. CDN responses may conceal the origin, and frontend technology does not establish a backend language. Unknowns remain explicit where evidence is absent.
Verify detection before using AI explanations
Gemini optionally explains the uses and relationships of observed signals and suggests checks. It does not replace rule evidence or turn guessed databases and backends into confirmed technology. Verify versions, server identifiers and third-party resources against their sources. This tool is not a vulnerability scan or security assurance.
Export JSON, Markdown or print for technical reviews and team handovers. The report does not verify purchase costs, contracts, subscriptions or actual business use of services appearing in resource lists.
Frequently asked questions
What can the technology detector identify?
The tool reads a public page and response details and, when enabled, collects rendered signals in a restricted browser. Supported evidence may identify CMS, commerce platforms, frontend frameworks, CSS, analytics, marketing, servers and CDNs. Categories retain rules and observations; missing evidence stays unknown. One page is not a complete sitewide inventory.
Can it identify WordPress, Shopify or Next.js?
Distinctive HTML, resource URLs, metadata and rendered signals can produce technology candidates. Review specific evidence to distinguish explicit identifiers from weak hints or related resources. Legacy code, embeds and generic naming can affect results; a name alone cannot prove the platform.
Why is browser rendering enabled by default?
SPAs and modern pages may load resources, generate DOM or expose framework signals after JavaScript executes. Rendering adds signals beyond initial HTML and records whether sampling completed. You can disable it. Disabled, failed, blocked and timed-out stages remain explicit rather than presenting complete coverage.
Can I get a report if rendering fails?
Available static evidence is retained with incomplete coverage marked. Failed dynamic sampling does not prove a technology is absent. Bot controls, login requirements, network errors, robots rules and resource limits can leave gaps. Do not treat a partial report as a sitewide conclusion.
Can a frontend framework prove the backend language or database?
Usually not. React, Vue or bundled assets do not prove Node.js, Java, PHP or a database. CDNs and proxies may conceal servers. Candidates are listed only with public evidence; backends, databases and hosting remain unknown without direct signals.
Are detection levels probabilities?
No. Levels indicate relative rule evidence strength, not calibrated probabilities. Review actual HTTP, HTML, DOM, resources and public signals. Versions appear only when observed. Different samples, times, rules or rendering coverage can produce different results across tools.
Does a listed service mean the website uses it?
Not necessarily. Resources may come from embeds, tests, leftover code or unexecuted configuration. Resource observations are distinguished from technology detection with sources retained. They do not establish subscriptions, contracts, traffic, licensing or complete business usage.
What does Gemini explanation add?
Gemini is disabled by default. When enabled, it explains the uses, architecture clues and follow-up checks from collected signals and coverage. AI interpretation stays separate from rule evidence and cannot confirm new technologies. If AI fails or is limited, detection results remain with the incomplete explanation marked.
Can it inspect private dashboards or uploaded source code?
No. It supports public pages and does not accept credentials, cookies or source uploads or sign in to target websites. Avoid private query parameters and access tokens. The restricted browser does not log in, submit business forms, purchase or perform business actions.
Does detection find vulnerabilities or prove security?
No. Public technology identification is not penetration testing, vulnerability scanning or security certification. Versions can be hidden, spoofed, cached or associated only with an asset. They do not prove exploitability, and no detected technology does not prove safety. Security assessments require an authorized process.
Where do the technology logos and official links come from?
Technology cards use a maintained local icon directory and official documentation links, without third-party icon requests. Some products use text labels. Sources, licenses and attributions are available in the icon notice. Logos identify products; they do not imply endorsement or confirm commercial licensing.
How can I explore the results with Doubao and other AI tools?
Open a question dialog for the full report or one technology. Choose architecture, selection and migration, or SEO and performance, then edit the draft. Selecting Doubao, Gemini, DeepSeek, ChatGPT or Perplexity copies it and opens the official site; paste and send it there, enabling web search if needed. Only the origin, technology candidates and evidence references/types are included, excluding paths, query parameters, cookies, raw pages and job tokens. Verify AI answers against official sources.
Can I export reports? Are URLs saved automatically?
Copy or export JSON and Markdown, or print to PDF, retaining time, redacted URLs, coverage, evidence and unknowns. General query parameters are hidden except valid version hints; revisit with your original public URL. The page does not automatically use local storage. Jobs temporarily retain progress and results. The server samples submitted URLs; only enabling AI sends related signals to the model service.
website technology checker practical guide and common questions
What does a website technology checker do?
Technology detection looks for fingerprints in headers, resource paths and page structure to identify possible CMS platforms, frameworks and services.
Who is this for, and when is it useful?
Product and development teams researching a platform, migration or competitor.
How do I use this website technology checker?
Submit a public page, inspect detected technologies and supporting evidence, visit official product sites and optionally request an AI explanation.
How should I interpret the results?
Separate direct observations from weaker clues and leave unsupported versions unknown. Check official documentation, hosting requirements and maintenance costs before choosing a platform.
Where is the work performed, and which services receive data?
Our server reads public HTTP/HTML and optionally runs a restricted browser sample. Gemini is used only when AI explanation is selected; static fingerprints do not rely on AI guesses.