Web performance consultant for Akamai mPulse
Target Core Web Vitals optimizations with Akamai mPulse
PageSpeed measures one moment in standardized conditions. mPulse captures every real user session. I leverage that data to target the optimizations that actually shift your Core Web Vitals — not the ones that would only move the Lighthouse score.
They trust me
What mPulse surfaces to target optimizations
Real User Monitoring on the entire traffic, not a synthetic sample. Akamai mPulse's granularity enables analyses few RUM tools offer.
📍 You see Core Web Vitals in the red, not where
CrUX gives a 28-day origin-aggregated view. mPulse surfaces Web Vitals at URL level, by device, by CDN PoP, by persona. The templates tipping the average become identifiable.
🌐 Geography-driven variation with no path to action
mPulse exposes LCP, INP and CLS by country, PoP, network operator. A degradation localized to a specific PoP points directly to a CDN configuration to revisit.
🛒 You want to prove performance impacts conversion
mPulse Conversion Impact correlates LCP/INP and conversion rate on your funnels. Data-backed arguments replace intuition with product and leadership.
🔁 You don't know if releases degrade performance
Annotations on every deployment and alerting on Web Vitals drift. A regression is caught within hours, not days.
📱 Mobile-dominant traffic, desktop perf reflects nothing
mPulse segments by device and connection type. Optimizations get calibrated on real user profiles, not on a test device.
🎬 Third-party scripts degrading INP on certain pages
mPulse exposes Long Tasks and main thread blocks per template. The analytics tag slowing checkout, the ad script killing the home: identified in a few clicks.
mPulse optimization methodology
4 steps to transform your performance
1. Template-level Core Web Vitals reading
Segmentation by URL, device, geography. Identify pages tipping the origin red on Search Console.
2. Cause diagnosis
Pair with Chrome DevTools, WebPageTest and Akamai CDN data. Surface responsible assets (slow hero image, blocking JS, font swap CLS).
3. Targeted optimization
LCP image prioritization, render-blocking elimination, CDN cache adjustment, font optimization, residual CLS removal.
4. Post-deployment measurement via mPulse
Validate Web Vitals gains on real traffic after every release. Systematic mPulse annotations to track impact over time.
1. Template-level Core Web Vitals reading
Segmentation by URL, device, geography. Identify pages tipping the origin red on Search Console.
2. Cause diagnosis
Pair with Chrome DevTools, WebPageTest and Akamai CDN data. Surface responsible assets (slow hero image, blocking JS, font swap CLS).
3. Targeted optimization
LCP image prioritization, render-blocking elimination, CDN cache adjustment, font optimization, residual CLS removal.
4. Post-deployment measurement via mPulse
Validate Web Vitals gains on real traffic after every release. Systematic mPulse annotations to track impact over time.
Mission commitments
Frequently asked questions
mPulse vs SpeedCurve LUX vs Sentry RUM: which to pick?
Is mPulse included in the Akamai offering?
How does mPulse help get Core Web Vitals green?
Does mPulse impact site performance?
Get your Core Web Vitals green via mPulse
Data 2023-2026
What my clients say
Excellent work.
Paul has significantly improved the site's speed and perfectly aligned it with Google's recommendations.
Professional, thorough, and efficient, I highly recommend.
Nicolas - April Moto
Digital & E-commerce Director
We are very satisfied with Paul's work. He is quick, available, and particularly effective. Since his arrival, very good results have been observed, both in terms of performance and responsiveness. A real asset for our team.
Léo - Luxury brand
E-commerce Product Owner
I don't know if we've said it enough.
But if you want to improve your loading speed,
Make Google happy and get your Core Web Vitals in the green,
Contact Paul Delcloy.
Florian Darroman - Les Makers
Co-founder
mPulse, reading real performance instead of theoretical
PageSpeed Insights measures a site in standardized conditions: simulated 4G connection, test device, neutral environment. Useful for a one-off audit, insufficient for steering performance over time. The performance your users live varies with connection, device, geography, browser, time of day.
Akamai mPulse captures that real performance, session by session, across the whole traffic. Real User Monitoring surfaces LCP, INP, CLS, TTFB and a wide range of satellite metrics, segmentable by template, device, geography or custom dimension. It's the most precise instrumentation to understand where your Core Web Vitals drift and why.
Target the pages tipping Search Console
On an mPulse webperf mission, I start by segmenting Core Web Vitals at the template level. A red CrUX origin average always hides struggling templates dragging the rest down. The checkout saturating on mobile, the product page with a third-party script killing INP, the home with a video poster lengthening LCP.
mPulse identifies those templates in a few clicks. From there, technical diagnosis happens through Chrome DevTools, WebPageTest and backend traces (Datadog, Dynatrace, depending on what's in place). Optimization is targeted, measurable, and the Search Console climb shows after a few weeks.
Conversion Impact for evidence-based arguments
mPulse's other differentiating strength is Conversion Impact: the direct correlation between Web Vitals and conversion rate across your business funnels. Data-backed arguments for upcoming optimizations, business impact measurement for every release, simple justification of webperf investments to product and management. Performance becomes a revenue lever, not a cost center. It's what lets a web performance audit get defended in a leadership review.
Other expertise Tools
Datadog
Datadog APM used as a backend diagnostic tool to target the optimizations that actually reduce TTFB and improve Core Web Vitals.
Learn more
Dynatrace
Dynatrace leveraged to map backend dependencies and target the optimizations that reduce TTFB and improve Core Web Vitals.
Learn more
SpeedCurve
SpeedCurve leveraged to track Core Web Vitals continuously, set performance budgets and discipline frontend performance at every release.
Learn more