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Get every page to 90+ on PageSpeed

Measure, fix only what the report blames, and repeat up to three rounds.

5 steps3 rulesStep 13 of 15 in Ship a website

Use this skill

Read https://isklls.com/s/pass-pagespeed and follow it.

Paste it into Claude, ChatGPT, Codex, Gemini or any agent that can open a link, then add your task.

Save.md
pass-pagespeed.md
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Purpose::

Every public page scores 90+ on PageSpeed, mobile and desktop.

Rules::

  • Measure with PageSpeed Insights; fix only what the report blames
  • Design and copy stay the same
  • At most 3 fix rounds

Inventory::

  • PageSpeed Insights (web or API) and your list of public pages

Steps::

  1. 1Run it on home and each public page; note score, LCP, CLS and INP
  2. 2Fix the biggest cause first: images (sizes, priority on the LCP image), fonts (self-hosted, swap), JS (drop unused client code), CLS (fixed sizes)
  3. 3Deploy and run it again
  4. 4Repeat up to 3 rounds
  5. 5Reply one line per page: mobile and desktop, before and after

Metrics::

  • All pages 90+ on both
  • Pages look the same as before
Website.md

Purpose:: List the pages of the first website.

Steps::

  1. 1. Start with home, pricing
  2. 2. Add signup and signin if users get an account
  3. 3. Add the 1-3 pages where the idea and the success metric happen
  4. 4. Reply as one comma separated line

Plan a first sitemap

The 4-7 pages your first website needs, so every CTA and success metric has a page.

Website.md

Purpose:: Lock the main inspiration URL: the live site your first website follows in structure and craft.

Steps::

  1. 1. Think of 3 famous products that sell something close to your idea
  2. 2. Open each; note how the home page puts the main action first
  3. 3. Keep the one with the clearest, most detailed home
  4. 4. Reply with its homepage URL and one line on what you take from it

Pick an inspiration website

Lock one famous, live product site whose structure your first website will follow.

Website.md

Purpose:: Say in one concrete sentence why this project is a perfect fit for you.

Steps::

  1. 1. Read the project's purpose
  2. 2. Read what you are about and what you have
  3. 3. Find the overlap: what you already have that this project can offer
  4. 4. Write: we have <X> (evidence), so <project> offers <Y> to <buyer>

Prove the fit in one sentence

Say why this project is a perfect fit for you, with evidence of what you already have.

Website.md

Purpose:: Build the perfect alternative to your direct competitors: their best parts plus what visitors in this space are used to.

Steps::

  1. 1. Per competitor: note the landing, pages and flow
  2. 2. List what they all share (traditional) and the best part of each
  3. 3. Build the header, footer and home, then the other public pages from that list
  4. 4. Deploy; screenshot desktop and mobile; compare with the competitor screenshots; fix

Build the best alternative frontend

Take the best part of each direct competitor plus what visitors in the space expect, and build it better.