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To bulk-screenshot coaching institute websites for a competitor audit, make a bounded list of comparable public pages, check each site’s current terms, and capture those pages with the same browser, viewport, and wait conditions. A Playwright script can save repeatable full-page screenshots; a spreadsheet preserves the context needed to compare them fairly. Stop if a site blocks automated access or presents a challenge—public visibility is not blanket permission.
Plan the audit before capturing pages
Start with the question the audit needs to answer, then select only the pages that provide evidence for it. A focused sample is easier to compare and less intrusive than crawling entire sites.
Build a bounded URL list
Record one row per page, including the institute, page type, canonical URL, and why it belongs in the sample. Depending on the audit, page types might include home, course detail, faculty, fees, admissions, or contact. Include equivalent page types across institutes where possible.
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Do not assume that every institute has a page for every category. If a page is not available in the sample, record “not found on sampled page,” rather than concluding that the institute does not provide that information elsewhere.
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Check each site’s rules
Review the current terms and published automation guidance for every target before using a script. Rules differ: BrainBuzz Academy’s terms expressly prohibit automated tools, bots, or scripts from accessing its platform, while Playwright Masters publishes its own terms. Those examples are not a rule for every Indian coaching institute. If the terms prohibit automation, seek permission or use an allowed manual method; do not attempt to bypass a block, bot check, or CAPTCHA.
This workflow is not a legal opinion about a particular audit or website in India. The available evidence does not establish a universal permission rule. Verify the target’s current requirements and seek permission where appropriate.
Capture a consistent sample with Playwright
Playwright can automate browser navigation and save screenshots. Its screenshot capabilities include ordinary viewport captures, full-page captures, buffers, and element-level captures. Microsoft documents automation across Chromium, Firefox, and WebKit, with headless operation available. A consistent browser configuration and viewport make comparisons more meaningful; they do not make different pages identical.
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The following Node.js example uses Chromium and saves one full-page PNG per URL. Create a project directory, then run:
npm init -ynpm install playwrightnpx playwright install chromium
Create the URL list
Save a UTF-8 text file named urls.txt in the project directory, with one permitted public URL per line. Use a deliberately small list of the pages selected for the audit, for example:
https://example.institute.in/
https://example.institute.in/courses/example-examReplace these example addresses with the URLs you have checked. Do not include login-protected pages or pages containing personal data for this public-page workflow.
Run the capture script
Save this as capture.mjs. It creates a shots folder, uses a fixed viewport, waits for page load and a short settling interval, and writes a CSV manifest with the capture context and outcome. It deliberately does not retry blocked pages or defeat challenges.
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1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errorsimport { chromium } from 'playwright';
import { mkdir, readFile, writeFile } from 'node:fs/promises';
const viewport = { width: 1440, height: 1000 };
const date = new Date().toISOString().slice(0, 10);
const urls = (await readFile('urls.txt', 'utf8'))
.split(/r?n/)
.map((line) => line.trim())
.filter((line) => line && !line.startsWith('#'));
await mkdir('shots', { recursive: true });
const browser = await chromium.launch({ headless: true });
const rows = [['url', 'captured_at_utc', 'viewport', 'browser', 'status', 'file', 'notes']];
try {
const page = await browser.newPage({ viewport });
for (let index = 0; index < urls.length; index++) {
const url = urls[index];
const safeHost = new URL(url).hostname.replace(/[^a-z0-9.-]/gi, '_');
const file = `shots/${String(index + 1).padStart(3, '0')}_${safeHost}_${date}.png`;
let status = 'not captured';
let notes = '';
let responseStatus = '';
try {
const response = await page.goto(url, {
waitUntil: 'domcontentloaded',
timeout: 30000
});
responseStatus = response?.status() ?? '';
// Allow a brief, fixed settling interval; this is not a guarantee
// that every animation, lazy image, or third-party widget has finished.
await page.waitForTimeout(1500);
const title = await page.title();
const bodyText = await page.locator('body').innerText({ timeout: 5000 }).catch(() => '');
const challengeLike = /captcha|verify you are human|access denied|checking your browser/i
.test(`${title}n${bodyText.slice(0, 3000)}`);
if (challengeLike) {
status = 'stopped: possible challenge/block';
notes = `HTTP ${responseStatus || 'not stated'}; no screenshot saved`;
} else if (responseStatus >= 400) {
status = 'HTTP error; no screenshot saved';
notes = `HTTP ${responseStatus}`;
} else {
await page.screenshot({ path: file, fullPage: true, animations: 'disabled' });
status = 'captured';
notes = `HTTP ${responseStatus || 'not stated'}`;
}
} catch (error) {
status = 'failed; no screenshot saved';
notes = error instanceof Error ? error.message.replaceAll(',', ';') : String(error);
}
rows.push([
url,
new Date().toISOString(),
`${viewport.width}x${viewport.height}`,
'Chromium (Playwright, headless)',
status,
status === 'captured' ? file : '',
notes
]);
console.log(`${status}: ${url}`);
}
} finally {
await browser.close();
}
const csv = rows.map((row) => row.map((value) => `"${String(value).replaceAll('"', '""')}"`).join(',')).join('n');
await writeFile('manifest.csv', `${csv}n`, 'utf8');Run it with node capture.mjs. Successful images appear in shots/; manifest.csv records the URL, UTC capture time, viewport, browser, status, filename, and notes. Treat the script’s challenge detection as a cautious stop signal, not as a definitive classifier. Review failures manually without trying to circumvent the site’s controls.
Capture a specific element or viewport instead
For above-the-fold comparison, omit fullPage: true from the screenshot call to capture the current viewport. To capture a specific element, replace that call with an element locator and screenshot it, for example:
await page.locator('main').screenshot({ path: file, animations: 'disabled' });Use an element selector that actually exists on the target page. If the selector does not match or the element is hidden, the capture may fail; record that result rather than silently substituting another page region.
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Standardize what each screenshot represents
A screenshot records what rendered in one browser and page state at a particular time. It does not prove what every visitor saw, or what the site looks like later. Keep the capture method stable and note meaningful differences in state.
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- Page state: record whether the capture is the initial state or follows an interaction. If a menu, accordion, or other feature matters, capture it as a separate, explicitly labeled state, only where permitted.
- Wait condition: use the same navigation and settling approach for each URL. A short fixed delay is reproducible but cannot guarantee that every lazy image or third-party component has loaded. If you change the wait strategy, record that change.
- Image scope: full-page captures expose content below the fold; viewport captures make first-screen layouts easier to compare. Do not compare one institute’s full page with another institute’s viewport as though the images show the same scope.
- Filename: use a stable convention such as
institute_page-device_YYYY-MM-DD.png. The script above uses an index, host, and date; add a page-type label if several sampled pages share a host.
The manifest is a practical workflow aid, not metadata automatically guaranteed by Playwright. Keep a separate spreadsheet column for institute name and page type, since the example script only knows the URL.
Compare evidence without overstating it
Review equivalent page types at matching viewport sizes. Separate what is directly visible from what you infer; a screenshot alone may not establish the reason a design choice was made or how well a page performs.
| Audit axis | What to record from the sampled page |
|---|---|
| First-screen message and offer | Headline, stated offer, and any qualifications visible in the capture |
| Calls to action and enquiry friction | Primary action, form fields or steps visible, and whether the path is clear from the sampled state |
| Courses and exams | Course or exam coverage stated on that page; distinguish explicit claims from your interpretation |
| Faculty and credibility | Credentials, faculty details, results, testimonials, or other proof points visibly presented |
| Delivery and location | Online/offline or hybrid delivery claims and locations named on the page |
| Fees and financing | Prices, financing details, or enquiry requirements actually shown; do not infer undisclosed prices |
| Mobile presentation | Layout, readability, and visible actions in the separately captured mobile viewport |
| Trust and policy cues | Policies or trust signals visible in the sampled page and state |
For each finding, keep two fields: visible fact (what the image shows) and interpretation (what you think it may mean). Use “not found on sampled page” when something is absent from the captured page; do not turn that into a claim that the institute lacks it.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Keep the capture proportionate and troubleshoot failures
Limit requests to the public pages needed for the audit, space them rather than firing a large burst, avoid login-protected or personal-data areas, and stop when a site blocks access or presents a challenge. A failed capture is a result to document, not a reason to evade restrictions.
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Timeout or failed navigation
The page may be slow, unavailable, or have a network problem. Check the URL manually, note the failure and timestamp, and—if another attempt is appropriate under the site’s rules—retry later rather than increasing concurrency or repeatedly hammering the host. The example script has a 30-second navigation timeout.
HTTP error or blank-looking page
An HTTP status of 400 or higher is recorded without saving an image. A page can also return a successful response yet render little or no useful content; inspect the result and note the state rather than treating an image file as proof of a successful page load.
Challenge, CAPTCHA, or access block
Stop. Do not automate a challenge, rotate identities to get around a restriction, or disguise the capture as a different visitor. Confirm the site’s terms and request permission if needed.
Missing images or incomplete content
Full-page capture does not guarantee that lazy-loaded images, animations, or third-party widgets have finished loading. If the content is material, document the observed state and use a permitted, consistent wait or interaction strategy; record the change so the comparison remains interpretable.
Element screenshot fails
Check that the selector matches a visible element on that page. Page structures vary across institutes, so one selector may not work everywhere. Record the exception and use a separately labeled viewport capture only if it still answers the audit question.
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Output is hard to match to the spreadsheet
Include institute, page type, device, and capture date in filenames or manifest columns. Keep the original URL and UTC timestamp with each image; avoid renaming files without updating the manifest.
Or skip the browser setup
For a recurring list, ScreenshotNeo offers a website screenshot API and MCP server. Its API can take screenshots, and the service also supports bulk capture of up to 100 URLs per call; use the documentation for current request parameters and bulk-job details. [ScreenshotNeo API documentation]
For a simple one-URL request, save the response as an image:
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://example.institute.in/ -o shot.webpReplace YOUR_API_KEY with your key and the example URL with a target you are permitted to capture. The API can return PNG, JPEG, WebP, or PDF; configure the desired output using its documented parameters. Its clean-shot workflow accepts cookie or consent banners as a visitor and removes more than 60 known consent platforms, newsletter popups, and chat widgets before capture; each step can be turned off. Bot checks or CAPTCHAs, blank pages, timeouts, failed loads, and cache hits are not billed, and response headers identify the page verdict and billing status. Claude, Cursor, and other MCP clients can use its take_screenshot, get_page_info, and capture_pdf tools.
ScreenshotNeo’s free plan includes 1,000 shots per month with no card; paid plans start at $5 for 3,000 shots. Check current terms and confirm you have permission to capture each target. Sign up for ScreenshotNeo’s free plan.
Frequently Asked Questions
Does a screenshot prove what every visitor saw?
No. It records a page rendered in a particular browser, viewport, and state at a particular time; another visitor or later visit may see something different.
Can I use this workflow for every coaching institute site in India?
No universal permission rule is established. Check each target’s current terms and published automation guidance, and seek permission where required.
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