Google’s current change to relying much less on title tags to generate SERP titles precipitated a stir within the web optimization business in August and September. The suggestions from SEOs has been moderately harsh. There’s no surprise, given a number of the preliminary failures of the brand new system.
Right here’s one of many worst title tag rewrites that I’ve seen:
Nice instance of Google rewriting the title tag and getting it very mistaken
For non UK people, the HMRC is the UK tax collectors pic.twitter.com/YbpWaEmSjo
— Charles Meaden (@charlesmeaden) September 6, 2021
Right here’s the precise title tag for good measure:

Google made some changes to the preliminary replace and now claims that it makes use of the title tag round 87% of the time. We’ve got the info to confirm or disprove these claims, in order that’s what we did.
We analyzed the SERP titles and title tags for 953,276 pages rating within the high 10 outcomes to achieve beneficial insights.
Right here they’re, beginning with a little bit of a stunning statistic.
7.4% of top-ranking pages don’t have a title tag
I anticipated that the majority pages rating within the high 10 search outcomes would have a title tag. Lacking title tags in 7.4% of pages rating within the high 10 outcomes looks like a moderately excessive quantity.

So, for the overwhelming majority of pages with title tags, how typically does Google rewrite them?
Google rewrites title tags 33.4% of the time
Utilizing the title tag solely 66.6% of the time is sort of a distinction from the 87% that Google claims. However as with most issues, the satan is within the particulars (pun supposed).

Based mostly on our methodology, we thought of minor discrepancies between title tags and SERP titles as a match. It is because slight variations in punctuation and the addition of brand name names have at all times been frequent. If we had been to think about solely 100% matches, then the rewrite price can be a lot increased.
However, we solely thought of matches if Google saved the remainder of the phrases in the identical order. And this is certainly one of Google’s earlier statements:
Of all of the methods we generate titles, content material from HTML title tags continues to be by far the almost certainly used, greater than 80% of the time.
This might imply that Google considers a match when the phrase order is modified. Or I could be simply overthinking it.
Anyway, what you need to care about most is how these adjustments have an effect on your pages. For instance, Google at present rewrites 31.6% (1,314 instances of 4,162 pages) of the title tags on ahrefs.com:
You’ll discover this within the Web page explorer report in Ahrefs’ Website Audit.
Google is now 33% extra more likely to rewrite title tags
Google’s been producing its personal SERP titles and descriptions for a very long time. However whereas we’ve all acquired used to meta descriptions getting rewritten 62.78% of the time, title tags had been at all times extra secure, and the adjustments weren’t so vital.
Nonetheless, after we in contrast SERP titles for pages with unchanged title tags between June and September 2021, we discovered that Google rewrites them far more than earlier than:

Title matching price is comparable for fat-head and long-tail key phrases
Google claims that it now rewrites title tags whatever the search question, i.e., the title ought to keep the identical throughout all SERPs.
My speculation is that if this didn’t maintain true, Google can be extra more likely to generate its personal titles for long-tail key phrases. That’s as a result of there’s far more variability in search intent in comparison with the principle key phrases individuals attempt to rank for.
We will verify that there’s certainly not a big distinction for title technology between long-tail and fat-head key phrases:

Needless to say the info here’s a proxy to what Google claims, not proof. Evaluating titles of the identical web page throughout SERPs might appear to be a greater choice, however it additionally has its personal intricacies (time, location, personalization).
When Google ignores the title tag, it makes use of H1 50.76% of the time as a substitute
Headings are an apparent place to search for various SERP titles. And in instances the place the SERP title and title tag differ, our knowledge reveals that Google pulls the SERP title from the H1 tag 50.76% of the time, the H2 tag 2.02% of the time, and a mixture of H1 and H2 tags 1.31% of the time.

That leaves us with 45.91% of instances unaccounted for. Based on Google, these SERP titles may also come from:
- Different content material that’s giant and distinguished by the usage of fashion therapies.
- Different textual content contained on the web page.
- Anchor textual content on the web page.
- Texts inside hyperlinks that time to the web page.
After some particular “different” instances, we got here to the conclusion that Google would possibly typically mix a number of components collectively to create a coherent title. Nonetheless, that’s purely our speculation based mostly on a number of examples.
Google is 57% extra more likely to rewrite title tags which can be too lengthy
Google used to rewrite titles over 600px 29.45% of the time. Now it’s 46.12% of the time—a 56.6% enhance.

So, if you wish to enhance your probability of Google utilizing your title tag, be certain to suit inside 600px size, which is the restrict for what SERPs can show. However the extra helpful rule of thumb is to maintain your titles inside 60 characters.
You possibly can examine which pages have longer titles after crawling your web site with Ahrefs’ Website Audit:

Last ideas? Hold observe of SERP title adjustments in your most essential pages
Prevention is at all times higher than treatment. Meaning attempting to craft the most effective titles attainable to attenuate the possibilities of Google rewriting them. Getting a few of your titles rewritten is inevitable, although. And you need to hold observe of these instances.
Once more, Website Audit will make it easier to with that (it’s free in Ahrefs Webmaster Instruments). After you crawl your web site, head over to the Web page explorer. In there, select the preset filter “Web page and SERP titles don’t match,” click on on “Superior filter,” and rule out minor title adjustments that solely contain truncation or including your model title:

Click on “Apply,” then kind the desk beneath by natural site visitors to indicate title adjustments that may very well be having probably the most influence:

If a title change appears problematic, examine the adjustments in CTR in Google Search Console. Then resolve on the best way to repair the title tag. Does it align with the prevalent search intent of the principle key phrases? Is it updated? Is it too clickbaity or spammy?
That’s all we are able to do to struggle towards Google rewriting the title tags.
Ping me on Twitter if in case you have any questions or feedback.