Unlocking SEO wins with Cloudflare workers: no devs required!

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The Developers are Busy

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You’ve Logged a Killer SEO Audit

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Title title Stakeholders Expect Results

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Title title FEELS LIKE THIS

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What can we as SEOs do about it?

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Quick Thinking

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Cloudﬂare Workers

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Origin Server User’s Browser Cloudﬂare Edge + Workers Middleware

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“Workers can modify and respond to HTTP requests”

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So What does it Mean? It means we can Technical SEO it… { Without Devs }

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Creating your First (SEO) Worker

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Examples

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Override Canonicals Example No#1

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Override Canonicals

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Override Canonicals Use ChatGPT to generate the code Deploy the Workers Script

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Override Canonicals Assign the Worker to the route

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Override Canonicals

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Injecting Schema Example No#2

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Inject Schema on the Fly

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Inject Schema on the Fly

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Inject Schema on the Fly

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Performance Speed + CWV Example No#3

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Cache Third-Party Scripts 3rd party script

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Cache Third-Party Scripts Script is now served from your domain

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Cache Third-Party Scripts Before

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Cache Third-Party Scripts After That’s a ~63% improvement (or 3× faster) just by serving from your own domain + CF Cache.

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Generate Meta Descriptions Example No#4

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Generate Meta Descriptions

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Generate Meta Descriptions

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Generate Meta Descriptions How It Works: 1⃣ Checks for existing 2⃣ Extracts ﬁrst paragraph if no description exists 3⃣ Generates a concise meta description (ﬁrst sentence, max 160 chars) 4⃣ Injects the new description into

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Preserve Crawl Budget Example No#5

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Preserve Crawl Budget

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Preserve Crawl Budget

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Update Robots.txt

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Update Robots.txt User-agent: * Disallow: /private/ # Faceted Navigation - Blocked to Preserve Crawl Budget Disallow: /*?color= Disallow: /*?size= Disallow: /*?sort= Disallow: /*?ﬁlter= Disallow: /*?price= Disallow: /*?brand= Disallow: /*?rating= Disallow: /*?availability=

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Serve 410 Status “Gone” to Bots

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Serve 410 Status “Gone” to Bots

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What Else?

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Schemas Datalayers Tracking Scripts Meta Robots Internal Linking Caching HTTP Headers

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With great power comes Great Responsibility

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PITFALL!

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WTF

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Error 1102 Worker exceeded resource limits

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Estimated Worker Requests Formula (Monthly Pageviews×Avg. Requests per Pageview)×Worker Execution Rate Example Calculation: ● Monthly Pageviews: 500,000 ● Avg. Requests per Pageview: 5 ● Worker Execution Rate: 100% (Runs on every request) 500,000×5×1= 2,500,000 worker requests per month Cloudﬂare limits (Free plan = 100K/day, Paid plans = more)

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Title title Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque gravida dolor mi, ut egestas nisl dignissim id. Quisque dolor sapien, malesuada ut ultrices nec, convallis ac arcu. Nullam vestibulum fringilla sollicitudin. Maecenas tristique leo id scelerisque rhoncus. Nam venenatis massa vitae vestibulum iaculis. Nam fringilla nulla quis justo porttitor, ut posuere eros rhoncus. Best Practices

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“Avoid Unnecessary Executions”

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➔ Not every HTTP request needs a Worker ➔ Avoid running Workers on non-HTML assets ➔ Keep executions focused on key SEO tasks

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“Test in Staging Before Deployment”

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➔ Always test before launching changes ➔ If CF is not active on staging, use test pages ➔ Monitor responses carefully — headers, status, and timing