Dynamic Search Ads Guide: Automate Your Reach in 2026

What Are Dynamic Search Ads

Dynamic Search Ads (DSA) are a Google Ads campaign type that uses your website content — rather than a manually curated keyword list — to decide which searches trigger your ads. Google crawls your site, indexes your pages, and matches user queries to the most relevant landing page. It generates the ad headline dynamically to reflect the searcher’s query.

You still write the description lines. But the headline and the final URL are chosen by Google’s algorithm based on what it finds on your site and what the user typed into the search bar.

The core mechanics work as follows:

  • Google crawls your site and builds an index of your pages and their content.
  • When a user searches, Google matches the query to the most relevant page on your site.
  • Google generates a headline pulled from either the page title or the content itself.
  • The ad shows your description lines alongside the dynamically generated headline.
  • The user clicks through to the page Google selected, not a generic landing page.

If your pages are well-structured, clearly titled, and contain relevant content, the algorithm does a surprisingly good job of matching queries to the right pages. If your site is a mess, DSA will reflect that mess back at you.

If you are exploring Google Ads services for the first time, DSA campaigns can serve as a useful discovery tool — revealing what people actually search for and which of your pages resonate with those searches.

When to Use DSA Campaigns

DSA campaigns are not universally appropriate. They work best under specific conditions.

Use DSA when you have a large, well-structured website. E-commerce sites with hundreds or thousands of product pages are the classic use case. If you sell 3,000 products across 40 categories, building keyword-level targeting for every product is impractical. DSA fills the gap.

Use DSA for keyword discovery. Even if you have comprehensive standard campaigns, DSA can uncover search terms you have not thought of. Run a DSA campaign alongside your existing campaigns, review the search terms report, and mine it for new keywords.

Use DSA when your site content changes frequently. News sites, job boards, property listings, and any site where pages are added and removed regularly benefit from DSA because the ads update automatically.

Avoid DSA if your site is poorly structured. Vague page titles, thin content, and inconsistent architecture produce poor-quality ads. Fix your site first.

Avoid DSA for sensitive or highly regulated industries where you need absolute control over ad copy. In Singapore, sectors like financial services, healthcare, and legal services often require specific disclaimers. Dynamically generated headlines cannot guarantee compliance.

Avoid DSA if you have a very small site. If you have five pages, just build standard campaigns.

For Singapore businesses running e-commerce SEO alongside paid search, DSA campaigns offer a useful bridge — your organic content feeds directly into your paid advertising.

Setting Up Dynamic Search Ads

Setting up a DSA campaign in Google Ads is straightforward, but the decisions you make during setup determine whether the campaign succeeds or burns through budget.

Step 1: Create a new Search campaign. In Google Ads, start a new campaign, choose the Search network, and select your goal. Under campaign settings, add Dynamic Search Ads settings.

Step 2: Enter your website domain. Google needs to know which site to crawl. Enter your domain and select your targeting language.

Step 3: Choose your targeting source. You have three options:

  • Use Google’s index of your website — Google decides which pages to use based on its own crawl.
  • Use URLs from your page feed only — you upload a spreadsheet of specific URLs.
  • Use URLs from both — a combination approach.

Step 4: Create an ad group with dynamic ad targets. These targets tell Google which parts of your site to use:

  • All web pages — every indexed page on your site.
  • Specific web pages — pages matching rules you define (e.g., URLs containing “shoes”).
  • Kategori — Google-generated categories based on your site structure.

Step 5: Write your description lines. Make them broadly relevant to your ad group theme. Avoid overly specific claims that might clash with a dynamically chosen headline.

Step 6: Set your bidding strategy. DSA campaigns work with all standard Google Ads bidding strategies. For initial setup, consider Target CPA or Maximise Conversions if you have conversion tracking in place.

Step 7: Launch and monitor. Check the search terms report daily for the first two weeks. Add negative keywords aggressively during this period.

Page Feeds for Precise Targeting

Page feeds are the most powerful — and most underused — feature in DSA campaigns. A page feed is a spreadsheet you upload to Google Ads containing specific URLs you want to target, along with optional labels for organising those URLs into groups.

The basic format requires two columns:

  • Page URL — the full URL of the page.
  • Custom label — an optional label for targeting purposes.

For example, an e-commerce site might create labels like “mens-shoes”, “womens-bags”, and “accessories”. Each label groups URLs together, and you create separate ad groups targeting each label with tailored descriptions.

Page feeds solve several problems:

You control which pages are included. Without a page feed, Google might serve ads for your privacy policy or careers page. With a page feed, only listed URLs are eligible.

You can segment your ads. Different product categories can have different descriptions, bids, and performance targets.

You can update targeting without rebuilding campaigns. Add new products by adding rows to the feed. Discontinue products by removing rows.

If you are working with a Google Ads agency in Singapore, ask whether they are using page feeds — many agencies default to “all web pages” because it is faster to set up, but the results are typically worse.

To upload a page feed, navigate to Tools and Settings, then Business Data, and upload your spreadsheet. Reference the feed in your DSA campaign settings and target specific labels in individual ad groups.

Negative Targets and Exclusions

Negative targets are the most critical element of DSA campaign management. Without them, your campaign will show ads for irrelevant pages and queries.

There are two types of exclusions:

Negative keywords work the same way as in standard Search campaigns. In a DSA campaign, they are even more important because you do not control the keywords — Google chooses them.

Negative dynamic ad targets are unique to DSA. They let you exclude specific pages or categories from being used as landing pages:

  • Exclude pages with URLs containing “careers” or “privacy-policy”.
  • Exclude pages with titles containing “out of stock”.
  • Exclude entire categories that are not commercially relevant.

A disciplined approach follows this pattern:

Before launch: Exclude all non-commercial pages — policy pages, contact pages, blog posts (if DSA focuses on product pages).

Week one: Review search terms daily. Add negatives for clearly irrelevant queries. Look for patterns.

Weeks two to four: Review every two to three days. Focus on borderline cases — queries that are somewhat relevant but do not convert.

Ongoing: Review weekly. As site content changes, new irrelevant matches appear.

One common mistake is excluding too aggressively. Too many negatives choke the campaign. Start with obvious exclusions and expand gradually based on data. Another mistake is failing to exclude pages already targeted by standard campaigns — this creates self-competition.

Combining DSA with Standard Campaigns

The most effective use of dynamic search ads is not as a standalone campaign but as a complement to your existing standard Search campaigns. The combination creates a safety net that catches queries your keyword lists miss.

Standard campaigns handle your core terms. Keywords you know, terms with proven conversion data, and queries where you want maximum control over ad copy and landing pages.

DSA campaigns catch everything else. Target all pages but add negative keywords for terms already in your standard campaigns. DSA only triggers for queries your standard campaigns are not handling.

To prevent overlap:

  • Add your standard campaign keywords as negatives in your DSA campaign.
  • Use DSA as a discovery tool. Move converting search terms from DSA into standard campaigns with dedicated ad copy.
  • Set DSA budgets lower than standard campaign budgets.

This workflow supports your dynamic search ads management by creating a clear process: DSA discovers, standard campaigns convert, and the two work together without cannibalisation.

One advanced tactic is using DSA exclusively for blog content. A DSA campaign targeting only your blog can drive traffic at a low cost per click, making it a cost-effective awareness play even if conversion rates are lower than product-page DSA.

For ongoing optimisation, monitor your auto-targets report, review the headlines Google generates, test different description lines, and adjust bids by target. Track performance at the landing page level to identify which pages convert and which should be excluded. Pages that rank well organically tend to perform well in DSA because the same content quality signals apply.

Soalan Lazim

How do dynamic search ads differ from responsive search ads?

Responsive search ads (RSAs) require you to provide multiple headline and description options, and Google tests combinations. You still choose your keywords and landing pages. DSA generates headlines automatically from your website content and selects landing pages without your input. RSAs give you more control over messaging; DSA gives you more coverage across queries you might not have anticipated. Many advertisers use both — RSAs in standard campaigns and DSA as a catch-all.

Can I use dynamic search ads for a small website with fewer than 20 pages?

Technically, yes. Practically, it is usually not worth it. With fewer than 20 pages, you can build standard campaigns that cover your entire site with precise keyword targeting and tailored ad copy. DSA’s value comes from scale — handling hundreds or thousands of pages that would be impractical to manage manually.

How much budget should I allocate to a DSA campaign?

A common starting point is 10 to 20 per cent of your total search budget. DSA campaigns are discovery tools, and their performance typically trails standard campaigns in terms of conversion rate and return on ad spend. If your DSA campaign consistently outperforms your standard campaigns, that signals your standard campaigns need better keyword coverage, not that DSA should receive more budget.

Do dynamic search ads work well for Singapore-specific targeting?

Yes, provided your website content includes Singapore-relevant information. Google matches queries to content, so if your pages mention Singapore, local suburbs, or Singapore-specific terms, DSA will match those queries appropriately. Location targeting ensures your ads only show to users in Singapore. Businesses with location-specific landing pages tend to see better DSA results than those with generic content.

What happens if Google generates a misleading headline?

This is a real risk, particularly for regulated industries. You are still responsible for the ad’s content under Singapore’s Advertising Standards Authority guidelines. Monitor DSA headlines through the Ads and Extensions report. If you see problematic headlines, update the page title or H1 tag on the source page. You can also exclude specific pages from targeting. For industries where compliance is critical, standard campaigns with manually written headlines may be the safer choice.