Blog
AI ads insights
Three-platform playbooks, TikTok / Meta / Google case studies, and PPC automation best practices — written by the DEXUN AdWhiz engineering team.
Why running three platforms at once is cheaper than one single-platform agency
A cost breakdown of the traditional agency model (15–20% per platform) vs DEXUN AdWhiz's flat three-platform subscription. At $50K/month ad spend you save $24,000+/year and skip the human turnaround delay.
Ad-performance terms, decoded: ROAS, CPA, CTR, holdout, incrementality
The handful of terms you keep seeing in ad reports — ROAS, CPA, CTR, conversion rate, holdout, incrementality, attribution. One line each on what they mean, why they matter, and why incrementality is the one that actually tells you if your ads worked.
How to find wasted budget in your TikTok Ads (5 signals)
TikTok budget burns fast, and waste hides well. These five signals help you locate it quickly: high-CPA outliers, scaling low-ROAS campaigns, creative fatigue, audience overlap, and feeding campaigns that should be paused.
How to split ad budget across Google, Meta, and TikTok
There’s no magic split across the three platforms — but a few principles keep you out of trouble: separate intent from discovery, move budget by marginal (not average) ROAS, test-then-shift in small steps, and never set-and-forget.
We made DEXUN AdWhiz citable by AI — and it’s the same discipline as proving your ad savings
Some AI ad tools sell "get cited by ChatGPT / add Schema" as a prompt skill you buy. We just did it on our own site — because it follows the same principle as how we prove savings: claims must be machine-checkable, not self-asserted.
Looking for an AdWhiz alternative? Ask these 4 questions first
More than one product uses the name "AdWhiz." If you are choosing an AI ad-optimization tool, four checkable questions separate them: control group, TikTok, refund guarantee, and a disclosed operator.
How cross-border sellers open a TikTok ad account — and actually make it profitable
For China-based cross-border sellers, the hardest part of TikTok Ads is often step 0: opening and funding an advertiser account. But opening is just the entry ticket — what decides profit is whether someone optimizes it afterwards and verifies the savings with a control group.
How to verify AI ad optimization actually saved you money (use a control group)
Every AI ad tool claims it "improved performance." The honest question is: compared to what? Here is why a self-reported "+X%" is not trustworthy, and how a randomized holdout produces a savings report a CFO can sign.
TikTok Spark Ads checklist: 7 moves to cut CPM by 40%
7 copy-paste optimizations covering creator selection, hook length, CTA placement, and retargeting cadence — distilled from TikTok public industry data and DEXUN AdWhiz optimizer backtests.
Performance Max is no longer a black box: pipe PMax into Claude via MCP
Use the DEXUN AdWhiz MCP server to let Claude read PMax asset groups, search terms, and audience signals — then write optimization plans directly. Includes claude_desktop_config.json.
Case study: how a DTC apparel brand lifted cross-platform ROAS from 2.1x to 4.6x
An $80K/mo women's apparel brand reallocated budget across Google Search / Meta Lookalike / TikTok Spark via DEXUN AdWhiz over 3 months. ROAS up 119%. All data anonymized.
Is Meta Advantage+ actually better than manual Lookalike?
Distilled from Meta official case studies, public industry A/B research, and DEXUN AdWhiz optimizer backtests. The answer might surprise you: Advantage+ tends to win on new and small-budget accounts, while manually tiered Lookalikes often retain an edge above $20K/mo.
5 common myths about AI auto-bidding
"Just set Target ROAS and forget it" — wrong. We've watched too many accounts burn cash this way. What human oversight AI bidding actually needs across lifecycle stages, and how DEXUN AdWhiz automates the missing piece.