When should an SEO company update meta tags?
At specific trigger points rather than on a fixed schedule: during the first on-page cleanup, after keyword research assigns a target to each page, whenever a page’s content changes, when Google is showing different text from what you wrote, and when a page earns impressions but few clicks. What people call meta tags here are two separate things: the title element, which Google draws on for the clickable title of a result, and the meta description, which it may use for the text underneath. After any change, Google has to recrawl the page before it can show the new text, so each update needs time before it is judged.
During the first cleanup
The first pass happens early in the engagement, alongside the audit. The company checks important pages for missing or empty titles, titles repeated across many pages, and descriptions copied from page to page. Google’s guidance on snippets explains why the last point matters: “Identical or similar descriptions on every page of a site aren’t helpful when individual pages appear in search results.” This cleanup does not wait for anything else.
After keyword research
Once research has assigned a target search to each page, titles and descriptions should be revised to match. Rewriting them before that decision is made means writing them twice, so this round follows the research rather than running alongside it.
When Google shows something else
What you write is not always what appears. The title link and the snippet are generated by Google, and the snippet guidance notes: “Google Search might show different snippets for different searches.” A useful trigger for an update is a page whose title or description in search results differs from what was written, especially for the searches that matter most to you. The company should look at the results themselves, not only at the page code, before deciding what to rewrite.
When the page changes
When a page’s content is substantially revised, expanded, or refocused, its title and description should be reviewed at the same time. A title written for the old version can describe a page that no longer exists.
When a page is seen but not clicked
Search Console’s Performance report shows impressions and clicks for each page. A page with a large number of impressions but few clicks is a candidate for a rewrite, because the title and description are what a searcher reads before deciding. Changing one page or one element at a time makes it possible to tell what caused any change in clicks.
Allowing time before judging a change
Google’s guidance on title links states: “Keep in mind that Google has to recrawl and reprocess the page to notice updates to these sources, which may take a few days to a few weeks.” Until that happens, the old text can still appear, and click data from that period says nothing about the new version. Note the date of each change, wait until the new text is showing, and then compare a period after the change with a comparable period before it.
Asking why and when each update happens
Ask the company which of these triggers it uses, how it chooses which pages to update first, whether it checks what Google actually displays before rewriting, and how it records the date and content of each change so the effect can be measured. Updates made for a stated reason and then measured are the ones worth paying for.