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HomeSEOEradicating Duplicate Title Tags (HTML Ingredient)

Eradicating Duplicate Title Tags (HTML Ingredient)

Earlier than you begin: what are you aware about search engine marketing split-testing? In the event you’re unfamiliar with the rules of statistical search engine marketing split-testing and the way SplitSignal works, we advise you begin right here or request a demo

As all the time, earlier than we publish our findings, we ask our Twitter followers to vote:

They’re additionally inspired to elucidate why they imagine a change can have a constructive or a unfavorable consequence. This time round, solely 25% received it proper. You’ll quickly discover out why. 


The HTML Title tag has lengthy been thought of a mainstay of search engine marketing and one of the important components in on web page search engine marketing. It’s, in spite of everything, the title of the doc, so it ought to be handled with excessive significance.

However what occurs when you’ve got the title tag duplicated in your code?

<title> Web page Title goes right here </title>


<title> Web page Title goes right here </title>

Mozilla says fairly strictly that you must solely have one HTML title tag, and it ought to reside within the head of the doc.

Google’s John Muller was requested this query instantly, documented on this Search Engine Journal Article.


“In regards to the meta description of the web page, I received the search engine marketing tip to incorporate a second meta description and title regarding this matter into the header.

Would this actually make sense to Google?”

John Mueller’s reply:

“So, in the event you’re together with a second meta description tag on a web page, we’ll deal with that the identical as in the event you simply prolong the present meta tag on the web page.

…there’s no form of bonus to utilizing a second meta description tag on a web page in comparison with simply adjusting your present one.

With regard to the title, that’s the identical factor. It’s not that there’s any form of a bonus connected to creating a second title tag.

Primarily, you may as properly simply write a transparent new title utilizing the present title tag.”

The positioning analyzed right here had title tags duplicated, i.e, the identical title tag was used within the head of the doc twice. It additionally had extra components within the physique textual content marked up as <title> too.

We wished to see what impact there could be if the duplication was eliminated and just one HTML title component was current, with the second duplicate title tag eliminated.

Be aware that it is not uncommon to confer with a title “tag” the place the strict terminology is title component, with the <title> being an HTML component.

Google may also show the way it chooses title tags and can do that on a search query-related foundation. 

Title tags are sometimes rewritten ~ 75% of the time, and there may be numerous knowledge displaying that title tag rewriting relies on the size of the title tag, with the optimum being 55-65 characters. So it’s attention-grabbing to additionally discover the conduct of title tag duplication.

The Speculation

A extra right and well-structured doc should be higher. Sending Google clear alerts and being requirements compliant is an indication of a greater high quality doc. 

Following Google’s tips and greatest practices is all the time good too!

The Check

The check checked out management URLs that retained the duplicate title and variation URLs with duplicate title tags eliminated in SplitSignal.

The check included 142 URLs with 63 management URLs and 79 validation URLs.

We ran 9404 assessments and seemed on the common place, click-through charge, and whole clicks for the variant and management pages. 

The check ran for 21 days following a reasonably secure interval.

The steadiness previous to the check is vital.

Through the check window, there have been no main Google algorithm updates that would affect the consequence. Through the final a part of the check interval, the Could 2022 Core Algorithm did hit, though it doesn’t confound the consequence as the information reveals.

The Outcomes

The consequence was constructive, giving a 6.8% enchancment.

Additionally it is clearly statistically important, with the decrease certain lean clearly going above the Y=0 line. 

This provides a excessive 99% confidence stage which signifies that the examined situation did have an effect that may be verified.



By having two duplicate titles, any weighting and affect perform is cut up between the 2 titles, and due to this fact much less worth is assigned to both. 

There may be nuance right here in that the remedy of two duplicate titles is likely to be extra of a mix somewhat than a division.

A lot is made from Google’s capability to render a web page and perceive the content material and context so properly that it virtually doesn’t matter how sloppy and bloaty the code is (bravo Google).

Nonetheless, this consequence does appear to counsel that title tag duplication and semantic correctness have some significance.

Who knew, having good standards-compliant well-structured code is efficacious!

This does emphasize the case for having your entire technical search engine marketing geese in a row.

What Google says and what Google does shouldn’t be all the time constant.



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