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Missing DNS Prefetch: How to Solve It

Missing DNS prefetch means the page has no link rel="dns-prefetch" hints for third-party domains (CDNs, fonts, analytics, ad networks) that the browser will need to connect to. Without the hint, the browser only starts the DNS lookup when it actually encounters the resource reference in the HTML, rather than resolving it early in parallel. This adds avoidable latency to first requests against those domains, particularly on high-latency or mobile connections, contributing to slower perceived page load and weaker Core Web Vitals.

Missing DNS Prefetch: How to Solve It

Missing DNS prefetch means the page has no link rel="dns-prefetch" hints for third-party domains (CDNs, fonts, analytics, ad networks) that the browser will need to connect to. Without the hint, the browser only starts the DNS lookup when it actually encounters the resource reference in the HTML, rather than resolving it early in parallel. This adds avoidable latency to first requests against those domains, particularly on high-latency or mobile connections, contributing to slower perceived page load and weaker Core Web Vitals.

Why this happens

DNS prefetch hints have to be added manually for each third-party domain the page depends on, fonts, ad networks, analytics, embeds, and that list changes every time a new script or widget gets added to the site. Because prefetch is a performance optimization rather than something required for the page to function, it's one of the first things skipped under a deadline and one of the last things anyone remembers to revisit once a new vendor script gets bolted on.

What it costs you

Every third-party domain the browser hasn't already resolved adds a full DNS lookup, sometimes 20 to 120 milliseconds, on the critical path the first time that resource is requested, and those delays stack when a page pulls in multiple external domains for fonts, ads, and tracking. On mobile networks or in markets with slower DNS infrastructure, that adds up to a measurably slower page and a small but real drag on Core Web Vitals scores that Google factors into ranking.
How it works

How we resolve it

01

Diagnose

We audit your current setup and identify the root cause.

02

Fix

We implement targeted corrections using proven methods.

03

Verify

We confirm the issue is resolved and monitor for recurrence.

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What clients say

Results from businesses that trust us.

Excellent on Google ★★★★★ 5.0 out of 5 · 14 reviews
★★★★★

Andre and Arising Media are incredible at what they do and they have more than doubled our business. They go above and beyond to make sure that we succeed.

Brian Sirois
★★★★★

Absolutely loved working with the Arising Media team. They are extremely helpful in explaining any process and answering questions thoughtfully. This is an awesome team that provides quality and expertise.

Venus Vega
★★★★★

We have been working with Arising and Andre for years and their attentiveness to us is unmatched. Insightful direction on strategy and execution is perfect and has helped our business grow!!

Lana Camera
★★★★★

Andre and his team at Arising Media are the most professional team I have come across in terms of Google Search with SEO and SEM. They are extremely knowledgeable and know how to execute a successful plan that converts to leads and revenue growth.

Jamie Taylor
★★★★★

Could not be happier with Andre and his team's experience, professionalism, and support. They are so detail oriented. I could not be more grateful for all the time they took to get to know my brand so they could envision what I could not for myself.

Lily Ignatowski
★★★★★

I've worked with Andre on and off for almost four years. He's kind, courteous, and professional. His work is always top quality and he's always available to answer any questions I might have.

Charlie Serabian
★★★★★

I am very happy with my webpage. Andre & his crew are very technologically up to date, creative & talented. He goes above & beyond the call of duty. Good quality workmanship, great value, very professional & responsive.

Anne Lahr
★★★★★

Arising media is the best company to quickly develop a website or design a menu board.

Altin Muhaxheri
★★★★★

Very responsive throughout entire process. Good experience.

Sean R
★★★★★

Not only were they able to give me new digital boards for in-store but did a complete new website for me which is very easy to navigate. Very professional and hands on.

erolind simnica
★★★★★

Andre and his team are amazing and keep the calls coming in. Keep up the good work.

Chuck Haug
★★★★★

Best digital signage I've ever had! Awesome customer service! I love my website!

Marissa M
★★★★★

High recommend Arising Media to anyone looking for digital solutions.

Jamie Taylor
★★★★★

Andre and Arising Media are incredible at what they do and they have more than doubled our business. They go above and beyond to make sure that we succeed.

Brian Sirois
★★★★★

Absolutely loved working with the Arising Media team. They are extremely helpful in explaining any process and answering questions thoughtfully. This is an awesome team that provides quality and expertise.

Venus Vega
★★★★★

We have been working with Arising and Andre for years and their attentiveness to us is unmatched. Insightful direction on strategy and execution is perfect and has helped our business grow!!

Lana Camera
★★★★★

Andre and his team at Arising Media are the most professional team I have come across in terms of Google Search with SEO and SEM. They are extremely knowledgeable and know how to execute a successful plan that converts to leads and revenue growth.

Jamie Taylor
★★★★★

Could not be happier with Andre and his team's experience, professionalism, and support. They are so detail oriented. I could not be more grateful for all the time they took to get to know my brand so they could envision what I could not for myself.

Lily Ignatowski
★★★★★

I've worked with Andre on and off for almost four years. He's kind, courteous, and professional. His work is always top quality and he's always available to answer any questions I might have.

Charlie Serabian
★★★★★

I am very happy with my webpage. Andre & his crew are very technologically up to date, creative & talented. He goes above & beyond the call of duty. Good quality workmanship, great value, very professional & responsive.

Anne Lahr
★★★★★

Arising media is the best company to quickly develop a website or design a menu board.

Altin Muhaxheri
★★★★★

Very responsive throughout entire process. Good experience.

Sean R
★★★★★

Not only were they able to give me new digital boards for in-store but did a complete new website for me which is very easy to navigate. Very professional and hands on.

erolind simnica
★★★★★

Andre and his team are amazing and keep the calls coming in. Keep up the good work.

Chuck Haug
★★★★★

Best digital signage I've ever had! Awesome customer service! I love my website!

Marissa M
★★★★★

High recommend Arising Media to anyone looking for digital solutions.

Jamie Taylor

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