# Chronometrica articles Practical guides and notes for collecting, checking, and using public web data. ## [How to Review a Translated YouTube Video Against Its Original](/en/articles/youtube-translation-meaning-review/) Check localized YouTube video meaning against the original using a manual alignment ledger, audio verification, and narrow error states. ## [How to Remove Duplicate Instagram Profiles From a Creator List](/en/articles/ig-profile-identity-dedup/) Deduplicate Instagram creator profiles by grouping records with stable channelId values, mapping aliases, and resolving conflicts. ## [Study Public Reactions to a Competitor Price Change](/en/articles/reddit-price-event-reactions/) Compare public Reddit reactions around a verified competitor price change with dated windows, relevance checks, and clear limits on customer claims. ## [How to Spot Repeated and Spam-Like Facebook Comments Without False Accusations](/en/articles/facebook-repeated-spam-like-comments/) Learn how to find repeated Facebook comments safely using deduplicated exports, text grouping rules, and manual context checks. ## [How to Turn Job Descriptions Into a Skills Learning Plan](/en/articles/jobs-skills-curriculum/) Read a few full job texts. Count required skills by employer. Plan one project that proves the gap. ## [Chronometrica vs Apify Instagram Search Scraper: Which Fits a Reel Metrics Search?](/en/articles/chronometrica-vs-apify-instagram-reel-search/) Compare Chronometrica and Apify Instagram Search Scrapers by Reel ranks, metric status, result type, and search limits. ## [How to Find YouTube Channels by Topic](/en/articles/youtube-channels-by-topic/) Find YouTube channels by topic. Review video evidence, group channels by ID, and check subscriber rules while keeping unknown facts unresolved. ## [Why Do Snapchat Spotlight Views Differ From Your Insights?](/en/articles/snapchat-public-insights-view-gap/) Check Snapchat Spotlight Views versus Viewers, then match the item, time, window, and precision before comparing public counts with Insights. ## [How to Separate Old and New Posts in a Monthly Instagram View Report](/en/articles/instagram-publication-cohort-view-contribution/) Separate old and new Instagram posts by publication date. Compare saved public view counts only at matching month boundaries. Keep gaps out of the total. ## [Convert YouTube captions to SRT or VTT without losing timing](/en/articles/youtube-subtitle-conversion/) Convert YouTube transcripts to SRT or VTT files without losing timing. Learn syntax rules, math checks, and offset fixes for clean captions. ## [How to Keep a Register of Newly Observed Instagram Comments](/en/articles/instagram-new-comment-register/) Track newly observed Instagram comments by ID, keep publication and first-seen times separate, and record gaps from capped exports. ## [How to Check Known YouTube Channel Feeds Without a Google Account](/en/articles/youtube-channel-feed-check/) Check known public YouTube feeds without a Google account. Start with channel IDs and feed URLs, check each response, and save clear failure states. ## [What Google Ads First-Shown and Last-Shown Dates Can Tell You](/en/articles/ads-shown-dates/) Learn why Google Ads first-shown and last-shown dates do not prove continuous ad delivery, and how to analyze endpoint spans safely. ## [How to Turn Checked Job Rows Into an RSS Feed](/en/articles/jobs-checked-rss-feed/) Turn checked job rows into a valid RSS 2.0 feed with stable IDs, safe text, and dates only when the source time is known. ## [Chronometrica vs WebDataLabs Instagram Posts and Reels for Recurring Creator Metrics](/en/articles/chronometrica-vs-webdatalabs-recurring-instagram-metrics/) Compare Chronometrica and WebDataLabs for recurring Instagram metrics. Choose profile discovery or saved URL checks and handle missing views. ## [How to Save Instagram Metric Snapshots Without Duplicate Imports](/en/articles/instagram-snapshot-import-retries/) Save recurring Instagram metrics with stable observation keys, original collection times, import receipts, and retries that preserve history. ## [How to Choose Subreddits for Customer Research](/en/articles/reddit-customer-research-scope/) Learn how to choose subreddits for customer research by building a sampling frame, running scoped queries, and documenting missing audience voices. ## [Use YouTube comment threads to find gaps in a tutorial](/en/articles/youtube-teaching-response/) Check one YouTube comment against the lesson passage. Save one revision and a test for it. ## [How to Find Direct Replies to Your Comment on a Known Snapchat Spotlight](/en/articles/snapchat-spotlight-reply-record/) Find direct replies to your verified comment on a known Snapchat Spotlight. Check parent IDs, separate deeper replies, and preserve unresolved records. ## [How to Export Your LinkedIn Comments and Reactions](/en/articles/linkedin-owned-activity-export/) Export your own LinkedIn comments and reactions. Keep archive actions intact and check current public post context only when needed. ## [How to Track Reddit Keywords With Less Noise](/en/articles/reddit-noise-query-tests/) Learn how to track Reddit keywords with minimal noise by testing small keyword samples, labeling relevance, and revising queries before collection. ## [Chronometrica vs Apify Facebook Comments Scraper: Which Should You Use for an Excel Export?](/en/articles/chronometrica-vs-apify-facebook-comments/) Compare Chronometrica and Apify for Facebook comments in Excel. Choose by row limits, reply links, date controls, and a small export check. ## [Build a Competitor Feature Matrix From Checked Public Evidence](/en/articles/search-competitor-feature-evidence/) Build a dated competitor feature matrix from official sources. Separate unknown features, documented support, and your own test results. ## [How to Build a Verified Book List From YouTube Videos](/en/articles/youtube-verified-book-recommendation-list/) Extract book candidates from YouTube captions. Check speaker advice, match catalog records, and keep uncertain titles, editions, and ISBNs unresolved. [More articles](/en/articles.md?cursor=post-1ad631818b191120376a20dd70caa848aec9cad0818e8a1203a355577ffd1bdf)