Why it matters
Google has no hard limit but truncates titles to the device width; very short titles are rewritten, and repeated keywords look like stuffing. This is a heuristic.
How to fix it
Write a specific, concise title ("Page topic | Brand"), roughly 10–60 characters, without repeating words.
References
More seo rules
void seo reports 60 rules in this category. What search engines need from the raw response: status codes, titles and descriptions in <head>, self-referencing canonicals, one h1, crawlable links, Open Graph, icons, robots.txt and a sitemap with real dates.
html-lang<html lang> missing or not a valid BCP 47 tagviewportViewport meta missing, not device-width, or blocks zoomcharsetCharacter encoding not declared earlytitle-missingNo single non-empty <title> in <head>meta-description-missingNo meta description in <head>meta-description-lengthMeta description length outside 50–160 charactersmetadata-in-bodyCrawler receives <title>/canonical/description inside <body> (Next.js streaming metadata)canonical-missingNo single rel=canonical in <head>