SEO Split-Test Result: Does Bolded Text Help Your SEO?

2 years ago 97
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Before you start: what bash you cognize astir SEO split-testing? If you’re unfamiliar with the principles of statistical SEO split-testing and however SplitSignal works, we're suggesting you commencement here oregon request a demo of SplitSignal. 


First, we asked our Twitter followers to vote:

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56% of our followers guessed it right! The effect was no important change.

Read the afloat lawsuit survey to find retired why.

The Case

Recently, Google's John Mueller confirmed that bolding important pieces of substance successful your contented tin assistance your SEO performance, arsenic it allows Google to amended recognize your content. This connection was made during a Google SEO office-hours hangout from November 12, 2021. To recognize what the contented connected a web leafage is about, Google looks astatine respective things to fig retired what is being emphasized. Headings are a large mode to bash this, arsenic are things similar bold substance connected a web page. Google said it tin adhd other worth to a definite grade due to the fact that it's a wide motion of what the leafage taxable is about.

Naturally, these statements sparked our interest, and we decided to enactment this to the trial for a large Canadian bundle institution to spot if bold pieces of substance could so amended their SEO performance.

HTML contains respective elements for defining substance with peculiar meaning. Note that the <b> constituent and the <strong> constituent are not the same. The <strong> constituent represents the substance of definite importance. The <b> constituent does not supply specified peculiar semantic accusation and has been deprecated since HTML4. Most browsers volition inactive gully bold substance erstwhile you usage the <b> element, but if you are utilizing the <b> constituent with nary semantic purpose, you should alternatively usage the CSS spot font-weight with the worth "bold" to marque substance bold. If you usage <b> elements with a semantic purpose, you should usage <strong> elements to marque substance bold.

The Hypothesis

We hypothesized that bolding important keywords connected blog pages could adhd other relevance to what the blog is about. We wanted to validate whether bolding important keywords connected the leafage would person a affirmative effect connected integrated traffic, truthful we did.

The Test

We utilized SplitSignal to acceptable up and analyse the test. 489 blog pages were selected arsenic either variant oregon control. We utilized <strong> elements to bold and item the keyword/topical tags connected the page.

The Results

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The effect was inconclusive astatine the modular 95% assurance level. After moving the trial for 28 days, we saw a 1.5% summation successful clicks, with a assurance level of 81%. This means that determination is nary statistical certainty that the effect tin beryllium traced backmost to the bolding of important substance connected the blog pages of this site. To enactment it plainly, we cannot accidental with assurance that determination is an effect for this optimization.

Why

As mentioned astatine the beginning, due usage of semantic HTML tin springiness a small much meaning oregon worth to a page, resulting successful a amended knowing of the contented for hunt engines. Looking astatine the result of conscionable 1 test, we cannot accidental that this is ne'er the case. We judge that this is simply a classical "it depends" situation. 

Google says that portion bold substance tin springiness a wide sign, it usually aligns with what they deliberation the leafage is about, truthful it doesn't alteration overmuch from that perspective. That besides seems to beryllium existent erstwhile we look astatine the results for the website successful question. 

What we cognize from experience, however, is that the results of the aforesaid trial setup tin disagree per website. Semantic HTML tin marque contented much meaningful, truthful it mightiness beryllium worthy investigating this for your website. 

Since this taxable has truly funny us, the result of this trial and Google's statements astir semantic HTML promote america to rotation retired variants of this trial connected aggregate sites. You tin expect much connected this taxable successful aboriginal lawsuit studies.

That said, it's ne'er a atrocious thought to experimentation with SEO optimizations connected your travel to springiness some users and hunt engines the champion imaginable answer. Good luck!

P.S. Do you cognize of immoderate different Google statements you'd similar america to test? Let america know!

Have your adjacent SEO split-test analyzed by OrangeValley Agency.