Duplicate titles and descriptions make results harder to navigate and, in Yandex’s words, make the site less visible in search results. The console measures it directly.
Where to see it
- The Summary page shows the counts.
- Indexing → Titles and descriptions gives the percentage and number of duplicates, with groups of affected pages on separate
titleanddescriptiontabs — grouping is what makes this actionable, since a hundred pages usually resolve to two or three templates. - A large number of duplicates raises a warning in site diagnostics.
The four causes and their fixes
- Automatic generation without differentiation. Add something that varies — the page number for paginated series, a real product attribute for catalogue pages.
- GET parameters producing multiple URLs for one page: use
Clean-param. - Mixed-case URLs — the same page reachable at differently capitalised addresses. Fix with
rel="canonical"or a 301. This cause is invisible in a normal audit and common on sites whose links were written by hand. - Poorly written titles and descriptions, addressed by the guidance on each.
The timing
After making changes, the console updates within a week of the robot’s next crawl — so nothing appears immediately, and a second round of edits made in the meantime measures nothing. To speed it up, submit the important pages for reindexing or enable crawling through the Metrica tag.
How to prioritise
Work the groups from largest to smallest, and fix the template rather than the pages. A duplicate group of eight hundred pages is one generation rule; a group of two is usually an editorial accident and can wait.
Comment nous l'appliquons
This report is the fastest way we know to find a broken template, because it groups the pages for you. The cause clients never guess is mixed-case URLs — the same page indexed twice with identical titles because someone linked to /Products and someone else to /products. It takes one canonical rule to fix and it never shows up in any other report.
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