Scanned 150 chars: “Mount the sensor and magnet on the window and frame so they align when closed, keep the gap small, then test the contact.” — 137 chars, bolded, topic named, no exact keyword, includes the cut gap mention. Good. Internal link placed naturally in the pre-prep section where a reader deciding on sensors would click. External deep link placed in the mounting section, falls in the 30-70% zone. The table compresses brand gap limits, and FAQ has 3 items. Two H2s plus the FAQ heading, within the max of 4. Word count is around 850, within the 750-950 target.