Usable Lead events recovered on restricted treatment-center domains.
“Our cost per lead went down so much, it was so beyond helpful. Definitely one of the best investments I've ever made on the Facebook front.”
Mitchell Price
Founder, Scaled AI
Free 30-minute call with the founder on Google Meet.
Understand what’s blocking your events
We look at your Events Manager together, explain the restriction and help you understand what needs to change.
Set up on the website you already have
If you choose Crisper, we help set up your first domain. Technical setup takes about 5 minutes once your DNS, integration and website access are ready.
See your events coming through
Lead and Purchase events appear in Events Manager within about 30 minutes once tracking is installed and events fire. We show you where to check.
Usable Lead events recovered on restricted treatment-center domains.
“Our cost per lead went down so much, it was so beyond helpful. Definitely one of the best investments I've ever made on the Facebook front.”
Mitchell Price
Founder, Scaled AI
Purchase tracking recovered after months of failed fixes.
“In a few days only, the tracking purchase conversion came back up on my [Meta] business manager.”
Céline Bergamini
Founder, Yatra Kundalini Activation
Understanding where leads came from and how visitors used the website.
“Hassan was extremely helpful and very knowledgeable, got all of the work done very efficiently.”
Ezra Beeman
Solar battery business
Fixing duplicate events and learning how to manage the tracking setup.
“Shahzada really, really explained the things that are super complex in a super easy way.”
Alvaro
Google Ads and Meta tracking client
An addiction treatment center's ads reported no applications. The first week after setup reported 37. The before screen is undated. The after is 14 to 20 June 2025, the first week after setup, on more spend. Before the work, the form sent no conversion at all.
Northridge Addiction Treatment Center
Recovered by the founder in 2025, before Crisper
Free 30-minute call with the founder on Google Meet.
A new Meta pixel was restricted too. Purchases came back on the store's original pixels.
Sanéo France
Recovered by the founder in 2025, before Crisper
A Dubai dental clinic's Meta events went quiet in June 2025, then came back through the Conversions API.
Zenon Dental Clinic
Recovered by the founder in 2025, before Crisper
More reviews of the founder’s tracking and analytics work across Meta, Google Ads and GA4. These cover broader projects, not only restriction recoveries.
“Would 10000% recommend working with Shahzada.”
Haris AhmedMarketing Manager, Emirates Advisory“Super helpful, quick and comprehensive. Solved our problem in a matter of time, way before the delays. Went further and thought outside of the box, complementing a nicely done work in an efficient way.”
“Hassan was great to work with! I needed help setting up some pretty complex conversion tracking for my Meta ads, and he made the whole process smooth and stress-free. He really knows his stuff, explained everything clearly, and made sure everything was properly tested before wrapping up. Thanks to his help, my tracking is now spot-on and already making a big difference in my campaign performance.”
Sam EmaraOwner & CEOFree 30-minute call with the founder on Google Meet.
“We have worked with Hassan multiple times and we cannot speak highly enough about him. Thank you for completing this project for us. Do not hesitate to hire Hassan, if he says he can do it, he will.”
“Pleasure to work with. Can highly recommend.”
Thomas André JensenDigital Marketing Agency Owner“Hassan is a rockstar, exceptional work as always.”
Alina IslamDigital Marketing Agency Owner“One of the best freelancers to collaborate with. Referred to others already - knows everything about tracking & attribution, works fast and delivers ahead of schedule. Solved things others took way more time for and fixed problems instantaneously. Amazing work, Shahzada!!”
Julian GrimmeDigital Marketing Agency Owner“Shahzada was excellent in delivering our work. He took the time to write detailed guides, amended work towards our requirements, and was very patient in nature. I would definitely recommend!”
James HagueDigital Marketing Agency OwnerFree 30-minute call with the founder on Google Meet.
“Shahzada is by far the most comprehensive, transparent and skilled analytics expert I've worked with (and I've used many over the years). He managed to save me money by understanding the problem and doing such an efficient job. I couldn't recommend anyone any higher.”
James WilkinsonDigital Marketing Agency Owner“Hassan resolved a complex GTM issue in just one hour, after I had spent nearly a month working with Google Support with no success. His expertise is exceptional, and I highly recommend his services!”
Luis BoaniDigital Marketing Agency Owner“Hassan was an absolute pleasure to work with! His expertise in setting up Google Tag Manager was clear from the start, and he delivered an incredible setup that exceeded our expectations. He listened closely to our needs and implemented exactly what we were looking for. Hassan's knowledge, professionalism, and commitment to getting the job done right made the whole process smooth and efficient. Highly recommended for anyone needing GTM expertise or analytics support!”
Nick AhrensDigital Marketing Agency Owner“I had the pleasure of working with Shahzada on resolving some complex Shopify, Google Tag Manager, and Google Analytics tracking issues, and I couldn't be more satisfied with the outcome. Despite the significant time difference, Shahzada was very responsive when addressing every question and concern I had. His patience and expertise were evident throughout the process. Shahzada provided a clear and detailed plan, meticulously documented all changes, and executed the tracking setup with precision. His deep knowledge in setting up and debugging tracking systems ensured everything was handled flawlessly. I highly recommend Shahzada for anyone in need of expert consultancy in these areas. His professionalism and efficiency make him a great choice.”
“He is very good in fixing any Google Tracking Code issues you have; we hired him twice and we will hire him again when we need more help. Thanks”
Free 30-minute call with the founder on Google Meet.
“What an absolute pro! Hassan understood exactly what my issue was. Something that for me, was so complicated. He made sense of what was needed, confidently went forward and solved my tracking issues quickly and efficiently. Not only did he do the job well, but he provided me with a very comprehensive document so that I understand the work he did going forward. I feel like I found the best on Upwork.”
George BoydBusiness Owner“It was great to work with him, thank you for your fast work.”
“Shahzada's work was very well-done, and he supplied a full report of the changes he made, which was impressive and above and beyond what I expected. I do think my request was a bit outside of his usual expertise and I wish we had taken some more time to clarify the project, but otherwise I'm very happy with the outcome.”
Jacob MonashCEO and Owner“Excellent experience with Shahzada. He is very knowledgably in all areas of tracking and analytics; I would highly recommend him.”
Matthew CooperBusiness Owner“Shahzada knows Google Analytics and Google Data Studio inside and out. He helped me set everything up so I can better understand how visitors use my website. He is easy to work with, and I will use him in the future when I need changes to GA. He is a pleasure to work with :)”
Ben FoxBusiness OwnerFree 30-minute call with the founder on Google Meet.
“Very happy working with Hassan! Does a great job!”
David BodnarFounder & Owner“Ali is one of the best freelancers I've worked with, his conscientiousness to get the job complete is exceptional. Thank you for your help and I hope to work again in the future.”
Chris ListerFounder & CEO“I can't say enough good things about Shahzada. I've worked with him on a few projects, including getting up GA and also implementing custom google tags and setting up our GTM. Truthfully, some of the nuances of our projects were completely over my head, but he understood them completely and was able to execute everything smoothly, and quickly. Would 10000% recommend working with Shahzada.”
Libie MotchanCo-Founder“This guy is one of the best.. I came back 2 years later and he's still amazing. Can't wait to work with him again.”
Derrick KityoWebflow Developer“I appreciate that he thoroughly documents his processes and performs quality assurance checks, ensuring clarity and reliability. His explanations of technical concepts are easy to understand, which is a significant advantage. Additionally, the IT team has expressed positive feedback about his work.”
Winston AbieraHead of AnalyticsFree 30-minute call with the founder on Google Meet.
“Very thorough and professional. Identified a problem with our meta tracking and implemented a complete overhaul that has resolved the problem. Would recommend.”
“Working with Shahzada Ali on our Google Analytics and Google Tag Manager implementation was a game-changer. We had a highly complex challenge—tracking traffic and sales for a dynamic booking platform where multiple properties needed access to their individual performance data. Shahzada navigated this intricate setup with confidence, precision, and deep technical expertise. We couldn't have asked for a better expert to tackle such a critical project.”
“Rockstar in his field. Very specialized in this "analytics" niche, true expert. He knows what he's doing every step of the way, outstanding communication, organization, etc from the first message to completion of project. Zero constructive criticism to provide, he is exactly the type of expert you wish you'd find for any specific need.”
“We worked out a tracking plan for my unique situation and we put it in place. Lots went wrong but there was always a potential solution at hand. I am now able to successfully track valuable events in my funnel, which allows me to optimise and grow.”
“One of the best experiences I've had on Upwork, and I've had many. Hassan was just a pro- really knew his stuff, and came up with an even better solution than I was hoping for. Really, he knows tracking and attribution better than the vast majority. Bravo.”
Free 30-minute call with the founder on Google Meet.
“Shahzada was fantastic and helped us exactly with what we needed. Super fast, efficient, and very kind! Great person to work with and super knowledgeable. He fixed all our issues!”
“Incredible work! Did exactly what I wanted. Solved my issue and explained everything really well! On top of that he was extremely supportive and also answered really quick. Communication was top!”
“He really knows what he is doing, that is for sure, no guessing at all. Finally relieved with the integration part after too many attempts by marketing teams and errors. He made sure everything is correct and checked together, showing me how to track everything.”
“Hassan was by far the most professional contractor I've ever hired on Upwork. He submitted the work promptly, communicated effectively and was there to answer every question I had. If you need any Conversion API, Google Analytics or GTM help, do not even think twice.... Hire him :)”
“Hassan was one of the most organized freelancers I've ever dealt with. He worked extremely fast and all the work was 110% awesome. I will definitely be inviting him to future projects to help with Google Analytics, Facebook and Google ads.”
Free 30-minute call with the founder on Google Meet.
“Highly recommended! Hassan understands FB & Google pixel tracking very well. He was very valuable for us in identifying the best available pixel tracking.”
“Thanks for your help! Very responsive and resourceful to handle bugs and issues with our tracking systems for advertising.”
“Incredible work. Goes above and beyond. Excellent communication. Works quickly. Gets job done and gets it done well! Would absolutely hire again.”
“Hassan is a legend. He knows exactly what he's doing and works extremely structured and professional. I recommend him highly to everyone looking to need work done on their tracking.”
“Shahzada stands out for his exceptional professionalism and responsiveness. He consistently delivers results. 10/10 NPS from our side.”
Free 30-minute call with the founder on Google Meet.
“This was not the first project we did with Hassan, but definitely not the last! Hassan is fast, precise and super patient with our queries. For anyone looking for a top notch tracking expert, Hassan is the man.”
“Having wasted a ton of time trying to set up google conversions by watching YouTube videos, I finally gave in and posted a job for some help. In a short call, Shahzada walked me through the steps and got everything working correctly. I would never have figured it out on my own.”
“Shahzada Ali Hassan really went out of his way to help me. He did a great job, helped me understand what was happening and showed me how to do everything which was part of my request. Highly recommended.”
“Very patient and open for any questions. This issue was resolved extremely fast and he provided a dashboard to follow along all changes that were made. Exceptional service.”
“Hassan executed our project at the highest level of professionalism, knowledge, efficiency, work quality and team communication. We would 100% recommend him for projects in this field.”
Free 30-minute call with the founder on Google Meet.
“Hassan is awesome! He did a great job setting up our Google Analytics for our ecommerce store and creating a Google Data Studio dashboard that allows us to see the conversion rate of each source of traffic. We will hire him again.”
“Hassan resolved a Google Analytics issue we were struggling with for weeks and figured out the solution in just a few days. He went above and beyond to lend his support, and was very professional and friendly throughout.”
“This is my second time working with Shahzada. He is absolutely incredible - he made a process that should have been quite complicated and daunting completely painless. He is brilliant and I would trust him with any technical project!”
“He stood out in the hiring process by recording a video response to the initial brief. Upon hiring him his work has been diligent, accurate and communication very good. I like that he just stays focused on being an expert in analytics and knows this field very well.”
“Hassan is absolutely amazing to work with. Extremely knowledgeable with GA4 and GTM and replies to questions quickly and professionally. Will definitely work with him again.”
Free 30-minute call with the founder on Google Meet.
“Shahzada was absolutely phenomenal! He is very knowledgeable on Google Analytics, Google Data Studio, really...all things tracking. He is my go-to guy moving forward and I highly, highly recommend him.”
“He is very responsive and very knowledgeable. He was able to sort out a complicated issue in an efficient and professional way. We will definitely use him again if/when the need arises.”
“Shahzada is amazing! Very professional, quick, and honest guy. His skills to dig into the problem and solve GA issues are exceptional. He will definitely be my go-to guy in this area.”
“Shahzada did an amazing job setting up our advanced conversion tracking for Google Ads. He was very responsive and explained everything very well.”
“One of the best freelancers I have come across on Upwork. Exceptional knowledge and skill set, very prompt without any delays. Always responds to any message sent very quickly.”
Free 30-minute call with the founder on Google Meet.
“Hassan was amazing, helped our company set up all of our google tags efficiently and patiently explained all elements to our team during a demo.”
“I could not have asked for a better hire. Hassan is a top-notch professional. If I could, I would give him 10 stars!”
“Hassan is an extremely professional specialist. He is knowledgeable, hard working and very quick to respond. We come to him first whenever we have an issue and will definitely work with him again in the future.”
“Hassan is the best! He's our go-to person when it comes to anything Google. He completely changed the way we're able to track our traffic.”
“A pleasure to work with as usual. Can not recommend enough. The best GTM expert on Upwork.”
Free 30-minute call with the founder on Google Meet.