# Performance101 **URL:** https://community.shopify.com/c/questionandanswer/performance101/237.md [Latest](https://community.shopify.com/latest.md) · [Categories](https://community.shopify.com/categories.md) · [Tags](https://community.shopify.com/tags.md) --- ## [Performance](https://community.shopify.com/t/performance/579251)
**Author:** [@user3761](https://community.shopify.com/u/user3761)\ **Replies:** 0\ **Last updated:** [December 11, 2025, 5:01pm UTC](https://community.shopify.com/t/performance/579251 "2025-12-11T17:01:22Z")
Can I keep my shopify store running without paying becuase at this point it’s not worth it --- ## [Website speed slow](https://community.shopify.com/t/website-speed-slow/564547)
**Author:** [@umair11](https://community.shopify.com/u/umair11)\ **Replies:** 1\ **Last updated:** [September 15, 2025, 7:51am UTC](https://community.shopify.com/t/website-speed-slow/564547 "2025-09-15T07:51:20Z")
I have been using Ella Theme from Envato market and here is the link of the theme. My store link is https://bazisto.pk/. The store speed is too slow even I have installed Page Booster app to compress my assets. The stor… --- ## [How to solve Reduce JavaScript execution time](https://community.shopify.com/t/how-to-solve-reduce-javascript-execution-time/412728)
**Author:** [@tapan\_sain](https://community.shopify.com/u/tapan_sain)\ **Replies:** 3\ **Last updated:** [May 26, 2025, 5:28am UTC](https://community.shopify.com/t/how-to-solve-reduce-javascript-execution-time/412728 "2025-05-26T05:28:48Z")
Hello In most themes, there’s a default JavaScript file, and sometimes it takes a long time to execute. On top of that, when we install apps, their JS files also add to the execution time, which can slow down the store’… --- ## [Monitoring and Ongoing Optimization](https://community.shopify.com/t/monitoring-and-ongoing-optimization/412799)
**Author:** [@susansj](https://community.shopify.com/u/susansj)\ **Replies:** 3\ **Last updated:** [May 11, 2025, 12:14pm UTC](https://community.shopify.com/t/monitoring-and-ongoing-optimization/412799 "2025-05-11T12:14:33Z")
What benchmarks should we use to measure the success of our web performance against competitors in the online diamond jewelry market? --- ## [Technical Deep Dive & Platform Considerations](https://community.shopify.com/t/technical-deep-dive-platform-considerations/412797)
**Author:** [@susansj](https://community.shopify.com/u/susansj)\ **Replies:** 4\ **Last updated:** [May 6, 2025, 10:00pm UTC](https://community.shopify.com/t/technical-deep-dive-platform-considerations/412797 "2025-05-06T22:00:58Z")
How do you ensure that third-party integrations common in e-commerce (e.g., payment gateways, customer reviews, live chat) do not negatively affect site speed and stability, particularly during the critical checkout proc… --- ## [Visuals and Rich Media Optimization:](https://community.shopify.com/t/visuals-and-rich-media-optimization/412796)
**Author:** [@susansj](https://community.shopify.com/u/susansj)\ **Replies:** 2\ **Last updated:** [May 6, 2025, 6:13pm UTC](https://community.shopify.com/t/visuals-and-rich-media-optimization/412796 "2025-05-06T18:13:39Z")
What is your approach to optimizing high-resolution diamond and jewelry images and videos to ensure fast loading without compromising visual detail and quality, which are crucial for showcasing our products? Are you imp… --- ## [AMP or PWA essential for overall site improvement ?](https://community.shopify.com/t/amp-or-pwa-essential-for-overall-site-improvement/412845)
**Author:** [@nb2046](https://community.shopify.com/u/nb2046)\ **Replies:** 1\ **Last updated:** [May 6, 2025, 6:05pm UTC](https://community.shopify.com/t/amp-or-pwa-essential-for-overall-site-improvement/412845 "2025-05-06T18:05:07Z")
Some apps like “Shop Sheriff AMP Pages” advertise to improve speed, pass Core Web Vitals, and Boost your SEO. Is it essential ? Should we consider Progressive web app (PWA) to improve customer experience or engagement ? … --- ## [Do you use instant.page and or similar libraries and how much does it improve site speed?](https://community.shopify.com/t/do-you-use-instant-page-and-or-similar-libraries-and-how-much-does-it-improve-site-speed/412732)
**Author:** [@tim\_tairli](https://community.shopify.com/u/tim_tairli)\ **Replies:** 2\ **Last updated:** [May 6, 2025, 5:50pm UTC](https://community.shopify.com/t/do-you-use-instant-page-and-or-similar-libraries-and-how-much-does-it-improve-site-speed/412732 "2025-05-06T17:50:31Z")
I know some themes has this (https://instant.page) or very similar technologies built-in to improve perceived site speed. Do you use it? How much of an improvement it is and are there any cons? --- ## [Storefront Performance and Section Rendering API Improvements](https://community.shopify.com/t/storefront-performance-and-section-rendering-api-improvements/412810)
**Author:** [@meetdomaine\_kar](https://community.shopify.com/u/meetdomaine_kar)\ **Replies:** 1\ **Last updated:** [May 6, 2025, 5:40pm UTC](https://community.shopify.com/t/storefront-performance-and-section-rendering-api-improvements/412810 "2025-05-06T17:40:37Z")
Has Shopify observed any measurable performance impacts (positive or negative) across merchants adopting Combined Listings at scale? Are there any planned improvements or guidance for mitigating performance issues tied … --- ## [lazysizes](https://community.shopify.com/t/lazysizes/412761)
**Author:** [@tim\_tairli](https://community.shopify.com/u/tim_tairli)\ **Replies:** 3\ **Last updated:** [May 6, 2025, 5:22pm UTC](https://community.shopify.com/t/lazysizes/412761 "2025-05-06T17:22:54Z")
Deprecating lazysizes made theme code seriously more complex. Also, when earlier you could make an image bigger with “Custom CSS” and autosizes would take care of the rest, now it’s much more complicated. Have you done… --- ## [User Experience & Conversion Funnel](https://community.shopify.com/t/user-experience-conversion-funnel/412798)
**Author:** [@susansj](https://community.shopify.com/u/susansj)\ **Replies:** 2\ **Last updated:** [May 6, 2025, 5:08pm UTC](https://community.shopify.com/t/user-experience-conversion-funnel/412798 "2025-05-06T17:08:42Z")
What performance improvements should we focus on to reduce friction and increase conversion rates during the checkout process, where speed and reliability are paramount for high-value transactions? --- ## [Overall Performance & Business Impact:](https://community.shopify.com/t/overall-performance-business-impact/412795)
**Author:** [@susansj](https://community.shopify.com/u/susansj)\ **Replies:** 1\ **Last updated:** [May 6, 2025, 5:06pm UTC](https://community.shopify.com/t/overall-performance-business-impact/412795 "2025-05-06T17:06:48Z")
Given the high-value nature of diamond jewelry, how do you specifically measure the impact of web performance on customer trust, perceived quality, and ultimately, conversion rates for high-consideration purchases? --- ## [TTFB Optimization Support – Liquid, Apps, and Store Setup Debugging](https://community.shopify.com/t/ttfb-optimization-support-liquid-apps-and-store-setup-debugging/412648)
**Author:** [@jmichal](https://community.shopify.com/u/jmichal)\ **Replies:** 2\ **Last updated:** [May 6, 2025, 4:51pm UTC](https://community.shopify.com/t/ttfb-optimization-support-liquid-apps-and-store-setup-debugging/412648 "2025-05-06T16:51:34Z")
Hi Shopify Team, We’re currently working on optimizing our store’s Time to First Byte (TTFB) and are looking for more advanced methods to analyze and debug performance bottlenecks. Specifically, we’re interested in unde… --- ## [years and years of old code, things added to themes, etc.](https://community.shopify.com/t/years-and-years-of-old-code-things-added-to-themes-etc/412617)
**Author:** [@rockcityryan](https://community.shopify.com/u/rockcityryan)\ **Replies:** 2\ **Last updated:** [May 6, 2025, 4:41pm UTC](https://community.shopify.com/t/years-and-years-of-old-code-things-added-to-themes-etc/412617 "2025-05-06T16:41:09Z")
over the years my website theme has accumulated a bunch of stuff that is not needed anymore and I am sure is slowing it down. From apps that are no longer used to code that was added by a third parties, my theme feels li… --- ## [Calendar](https://community.shopify.com/t/calendar/412587)
**Author:** [@WillowAndVine](https://community.shopify.com/u/WillowAndVine)\ **Replies:** 1\ **Last updated:** [May 6, 2025, 2:29pm UTC](https://community.shopify.com/t/calendar/412587 "2025-05-06T14:29:45Z")
I do not use Google Calendar. How do I add this event to my Outlook calendar so I can determine my local time for this event? The only option is ‘add to Google Calendar’. So, I will likely miss participating in this even…