Performance issue on Theme (false positive)

Oto
Shopify Partner
15 2 2

Hey, 

 

I have a performance issue with Interactivity on the client Store.

The major problem is that this number keeps increasing daily (without changing the code) or modifying the Theme(Theme editor).

 

When I click interactivity to see reports in Says FID(First input Delay) , my understanding is that interactivity == First input delay, When I'm checking the website in Google PageSpeed first input delay in perfect on both desktop and mobile ...

 

Can someone please explain what the problem is and how I can fix it?

 

 

Oto_0-1714223278895.png

 

https://my-day.ge - Store Address

 

Replies 4 (4)

PaulNewton
Shopify Partner
6339 579 1345

roll back recent changes and ab-test.

 

Possibly related, per pagespeed.web.dev: "FID was removed as a Core Web Vital in March 2024, replaced with INP" 

 https://web.dev/blog/inp-cwv 

 

If the number keeps going up and IF shopify is using that under the hood this could indicate the dashboard JUST hasn't been updated so is measuring a metric that returns an amount that is increasing the average.

 

Aside: if you paid for some "performance optimization" service and speed reports by a third party web service always return good there's always a chance you got scam code messing with the offsite reports you see that just detects when that site tries to load your website.

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tim
Shopify Expert
3466 280 1286

This could be a glitch in Shopify calculating the metrics.

At the end of the day, it's Google, not Shopify who ranks your site and I'd rather trust what Google PageSpeed shows.

Unless it's a result of "optimization" as Paul mentioned in his aside, which I doubt it is in your case.

 

If my post is helpful, consider liking it -- it will help others with similar problem to find a solution.
I can be reached via e-mail tairli@yahoo.com

Oto
Shopify Partner
15 2 2

Hey guys,

 

Thanks for your response.

 

Based on PageSpeed (Google), both FID and INP are good (Mobile/Desktop).

It's all my code and it's as clean as possible. I can say that it's one of the fastest websites I'm working on.

I have other stores where the actual performance (from users' perspective) is significantly slower, and Shopify gives them a 35ms interactivity score.

 

I agree, Tim. What matters for ranking is Google, and the "actual speed" real user experience, they are good. But this number has doubled in a week and increases every day, which is scary. What if this metric really means something? 🙂

tim
Shopify Expert
3466 280 1286

Try asking in slack https://shopifypartners.slack.com/archives/C0146D65A5C -- some real people from Shopify are there.

If my post is helpful, consider liking it -- it will help others with similar problem to find a solution.
I can be reached via e-mail tairli@yahoo.com