Semrush Blog | SEO, SEM, AI Search, & Content Strategy

6 min read

6 SEO Split Testing Best Practices to Validate Your ROI

Understanding the ins and outs of a successful SEO split-test campaign is important for your success once you’re running your own tests. Read the full article to lear about them.

Brian MoseleyFeb 16, 2022

App Store Optimization Study: What We Can Learn From the Top-Ranking Apps

Original Research & Studies

20 min read

App Store Optimization Study: What We Can Learn From the Top-Ranking Apps

Learn what makes the top-performing apps rank the way they do according to our ASO study.

Mordy ObersteinFeb 15, 2022

SEO Split-Test Result: Does Emphasizing an H1 Impact Organic Traffic?

Original Research & Studies

2 min read

SEO Split-Test Result: Does Emphasizing an H1 Impact Organic Traffic?

We added a CSS font-weight treatment to the primary H1 for the product pages on the ecommerce site. What do you think the impact was on organic traffic? Ranking? Read the article to find out.

Brian MoseleyFeb 04, 2022

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

Original Research & Studies

3 min read

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

We decided to test if bold pieces of text on the blog pages of a Canadian SaaS company can help their SEO performance. What do you the impact was on organic traffic? Check this out.

Brian MoseleyJan 28, 2022

Original Research & Studies

8 min read

Case Study: How an SEO Agency Helped an Artisan Bakery Increase Mobile Organic Traffic by 460%

In our SEO Reality Show series, we’ve been sharing the individual steps a partner agency took to help an artisan bakery improve their search visibility, capture quality web traffic, and convert site visitors into customers. Seven months have now passed since they started this journey, so we created this case study to share some results and insights with you.

Anna KocheguraJan 26, 2022

Why Google’s 10 Blue Links Will Have to Go (Eventually)

General SEO

12 min read

Why Google’s 10 Blue Links Will Have to Go (Eventually)

What does the future hold for the Google SERP? Here’s a look at why the way Google goes about showing organic results might undergo serious renovations in the not too distant future.

Mordy ObersteinJan 24, 2022

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Editors' Choice

Link Building

12 min read

Link Building for SEO: A Guide to the Basics

Link building can give you the SEO edge you need to get more Google traffic. Here‘s your quick-start guide.

Rachel HandleyJan 17, 2025

On-page SEO

8 min read

On-Page SEO: What It Is and How to Do It

This is a guide to on-page SEO. Learn exactly how to optimize your titles, descriptions, and content in 2024.

Kelly LyonsDec 15, 2024

Local SEO

11 min read

Local SEO: What Is It & How to Do It

Local SEO is the process of improving search visibility, traffic, and brand awareness for local businesses.

Carlos SilvaDec 04, 2024

Check Website Accessibility: Manual Checks and Tools to Use in 2025

Technical SEO

7 min read

Check Website Accessibility: Manual Checks and Tools to Use in 2025

Is it time to check your website accessibility? Remember that accessibility is about improving the user experience for everyone – including people with disabilities.

Luke HarselNov 27, 2024

General SEO

11 min read

What Is SEO? An Intro to Search Engine Optimization

SEO (search engine optimization) is an effort to get more unpaid visibility in search engines like Google.

Rachel HandleyNov 25, 2024

Keyword Research

19 min read

Keyword Research for SEO: What It Is & How to Do It

Keyword research is the process of finding & analyzing what relevant audiences search for in search engines.

Rachel HandleyJun 25, 2024

Competitor Intelligence & Research

10 min read

What Is a Competitive Analysis? (with Template + Examples)

Learn how to do a competitive analysis and compare your brand against your competitors.

Alex LindleyJul 11, 2025

Paid Advertising

8 min read

Banner Ad Sizes: Choosing the Right Size

Knowing your options is important so you can visualize how your ad will look, and how easily people will be able to see the ad.

Grace BrennanOct 18, 2024

Ecommerce

6 min read

What Is Ecommerce? How It Works & Getting Started

Ecommerce is selling products and/or services online via websites and apps instead of in physical stores.

Sydney GoOct 15, 2024

General Marketing

6 min read

What Is Marketing? [Simple Definition, Purpose, & Types]

Marketing is all the activities your brand uses to reach your target audience and turn them into buyers.

Sydney GoOct 11, 2024

Paid Advertising

10 min read

How to Make an Ad, Step by Step

A great ad doesn’t bombard audiences’ in their newsfeed, it conveys a clear brand message, offers value, and earns users’ attention.

Grace BrennanSep 05, 2024

Social Media

8 min read

How to Find YouTube Influencers

Need help finding influencers on YouTube for a partnership campaign? Follow these steps.

Grace BrennanApr 18, 2024

Original Research & Studies

8 min read

10 Small Business Trends for 2025

Learn the top small business trends for 2025 to stay ahead of the competition and keep employees happy.

Ankit VoraFeb 19, 2024

Which Companies Spend the Most on Digital Advertising? [Study]

News & Research

7 min read

Which Companies Spend the Most on Digital Advertising? [Study]

Learn what companies spend the most on advertising across 12 separate industries—and how you can gather competitive ad intel for your own niche.

Shannon O‘SheaNov 14, 2023

Average CPM for Display Ads: Benchmarks by Industry [Study]

Original Research & Studies

4 min read

Average CPM for Display Ads: Benchmarks by Industry [Study]

If you‘re looking for CPM benchmarks for digital ads in your industry, this study is for you.

Luke HarselOct 23, 2023

Advertising Trends: The Most Popular Types of Digital Ads [Study]

Original Research & Studies

5 min read

Advertising Trends: The Most Popular Types of Digital Ads [Study]

By partnering with AdClarity, we’ve investigated ad types, ad channels and ad spend so you can plan and strategize with the kind of competitive edge that other players don’t have in your industry.

Luke HarselOct 10, 2023

Original Research & Studies

2 min read

Top 100: The Most Visited Websites in the US [2025 Top Websites Edition]

This post uncovers the top 100 most visited websites in the US, deep-diving into a few industries — Media, Retail, and Streaming Services — that show the biggest position changes.

Natalia ZhukovaDec 23, 2022