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Show HN: Spar – Built a tool to help improve store conversion rates

https://spar.cuped.ai
2•6farer•2h ago
Last year my co-founder and I were talking about ecommerce store owners hitting small conversion issues that could easily be fixed—but nobody had the time or expertise to actually identify what was broken and validate fixes.

So we built Spar to handle that loop automatically. It analyzes any ecommerce store (Shopify, WooCommerce, BigCommerce, headless, doesn't matter) by crawling it like a customer would. It finds conversion gaps you don't know about, prioritized by impact, and gives you specific A/B test hypotheses for each issue instead of just generic best practices.

It works with any publicly accessible store and gives you results in minutes. It identifies issues across your pages (we're getting cart and checkout completed soon).

The idea generation is tailored per store. Free to sign up. Let me know if you want access to more of the gaps.

Chrome will make popular scripts load faster (by picking winners)

https://danfabulich.medium.com/chrome-will-make-popular-scripts-load-faster-by-picking-winners-bc...
1•jesup•3m ago•1 comments

Cache Is King, a Roadmap

https://nemorize.com/roadmaps/cache-is-king
1•reverseblade2•3m ago•0 comments

Networks Hold the Key to a Decades-Old Problem About Waves

https://www.quantamagazine.org/networks-hold-the-key-to-a-decades-old-problem-about-waves-20260128/
1•jnord•4m ago•0 comments

Agentic Memory Poisoning: How Long-Term AI Context Can Be Weaponized

https://instatunnel.my/blog/agentic-memory-poisoning-how-long-term-ai-context-can-be-weaponized
1•birdculture•5m ago•0 comments

Four Traditions Revisited

https://third-bit.com/2026/01/28/four-traditions-revisited/
1•mooreds•5m ago•0 comments

Please Don't Say Mean Things about the AI I Just Invested a Billion Dollars In

https://www.mcsweeneys.net/articles/please-dont-say-mean-things-about-the-ai-that-i-just-invested...
2•randycupertino•6m ago•0 comments

Markdown Tables Have Never Looked Better (2025)

https://charm.land/blog/glamour-tables/
2•mooreds•6m ago•0 comments

Show HN: Badgewind – Generate SVG Badges Styled with Tailwind via URL

https://github.com/agmmnn/badgewind
1•agmmnn•7m ago•0 comments

Artificial Intelligence can generate a feeling of intimacy

https://uni-freiburg.de/en/artificial-intelligence-can-generate-a-feeling-of-intimacy/
1•geox•9m ago•0 comments

snapshot.debian.org

https://snapshot.debian.org/
1•gjvc•12m ago•1 comments

The Means-Testing Industrial Complex

https://lpeproject.org/blog/the-means-testing-industrial-complex/
2•gok•12m ago•0 comments

Against the Neurotypical Inquisition

https://objectivegrok.com/
1•lywald•14m ago•0 comments

Ask HN: Who does online joins anymore?

1•simianwords•15m ago•0 comments

BunnyCDN Is Having an Outage

https://status.bunny.net
1•punkpeye•16m ago•1 comments

Forward-Deployed Job Titles

https://a16z.com/forward-deployed-job-titles/
1•donutshop•16m ago•0 comments

In 6 violent encounters, evidence contradicts immigration officials' narratives

https://www.reuters.com/world/us/evidence-contradicts-trump-immigration-officials-accounts-violen...
5•petethomas•17m ago•0 comments

State Department confirms federal censorship shield law incoming

https://prestonbyrne.com/2026/01/28/state-department-confirms-federal-granite-act-incoming/
3•MassPikeMike•19m ago•0 comments

XChat (Twitter E2EE) Security Review by Trail of Bits [pdf]

https://github.com/trailofbits/publications/blob/master/reviews/2025-10-x-xchat-securityreview.pdf
2•some_furry•20m ago•0 comments

Chiune Sugihara

https://en.wikipedia.org/wiki/Chiune_Sugihara
2•handfuloflight•22m ago•0 comments

DashPane – A faster app switcher for macOS with fuzzy search

1•jbetala7•23m ago•0 comments

Forge – Transform nested JSON into governed dbt models for BQ/Snowflake

https://forge.foxtrotcommunications.net/portal
1•brady_bastian•23m ago•1 comments

The UK paid £4.1M for a bookmarks site

https://mahadk.com/posts/ai-skills-hub
6•JustSkyfall•26m ago•0 comments

Rogue agents and shadow AI: Why VCs are betting big on AI security

https://techcrunch.com/2026/01/19/rogue-agents-and-shadow-ai-why-vcs-are-betting-big-on-ai-security/
1•PaulHoule•29m ago•0 comments

Detecting Spoilage with a Transcription-Based Biosensor

https://enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/1751-7915.70267
1•gnabgib•30m ago•0 comments

Seatbelt Basalt

https://en.wikipedia.org/wiki/Seatbelt_basalt
2•Neuronaut•30m ago•0 comments

The Browser You Trust

https://pikseladam.com/29-01-2026-the-browser-you-trust/
1•pikseladam•31m ago•0 comments

FAA ignored warnings before DCA crash: "100% preventable"—federal investigators

https://www.washingtonpost.com/transportation/2026/01/27/final-ntsb-hearing-dca-crash/
8•bookofjoe•32m ago•1 comments

Assessing internal quality while coding with an agent

https://martinfowler.com/articles/exploring-gen-ai/ccmenu-quality.html
1•tortilla•33m ago•0 comments

Ubiquiti: The U.S. tech enabling Russia's drone war

https://hntrbrk.com/ubiquiti/
4•foliveira•35m ago•0 comments

Software as Bonsai

https://substack.com/home/post/p-186134801
2•thejash•35m ago•0 comments