Improve Big Sky copy and add pages/post/users copy on plans page

[paulopmt1]

Related to #99789

Proposed Changes

• Update Big Sky copy
• Add a copy for Unlimited pages, posts, users, and visitors

Testing Instructions

• Go to /setup/onboarding
• Select Big Sky
• On the plans page, make sure the new copy looks better than the old one
• Also review the copy for Unlimited pages, posts, users, and visitors

Pre-merge Checklist

• Has the general commit checklist been followed? (PCYsg-hS-p2)
• Have you written new tests for your changes?
• Have you tested the feature in Simple (P9HQHe-k8-p2), Atomic (P9HQHe-jW-p2), and self-hosted Jetpack sites (PCYsg-g6b-p2)?
• Have you checked for TypeScript, React or other console errors?
• Have you used memoizing on expensive computations? More info in Memoizing with create-selector and Using memoizing selectors and Our Approach to Data
• Have we added the "[Status] String Freeze" label as soon as any new strings were ready for translation (p4TIVU-5Jq-p2)?
  • For UI changes, have we tested the change in various languages (for example, ES, PT, FR, or DE)? The length of text and words vary significantly between languages.
• For changes affecting Jetpack: Have we added the "[Status] Needs Privacy Updates" label if this pull request changes what data or activity we track or use (p4TIVU-aUh-p2)?

[github-actions]

Calypso Live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-133295

Jetpack Cloud live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-133295&env=jetpack

Automattic for Agencies live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-133295&env=a8c-for-agencies

[matticbot]

Here is how your PR affects size of JS and CSS bundles shipped to the user's browser:

App Entrypoints (~93 bytes added 📈 [gzipped])

name         parsed_size           gzip_size
entry-main        +560 B  (+0.0%)      +93 B  (+0.0%)
entry-login       +560 B  (+0.0%)      +93 B  (+0.0%)

Common code that is always downloaded and parsed every time the app is loaded, no matter which route is used.

Sections (~95 bytes added 📈 [gzipped])

name                                parsed_size           gzip_size
write-flow                               +560 B  (+0.0%)      +95 B  (+0.0%)
update-design-flow                       +560 B  (+0.0%)      +95 B  (+0.0%)
site-setup-wg                            +560 B  (+0.2%)      +95 B  (+0.1%)
site-setup-flow                          +560 B  (+0.2%)      +95 B  (+0.1%)
plugin-bundle-flow                       +560 B  (+0.1%)      +95 B  (+0.1%)
onboarding-flow                          +560 B  (+0.3%)      +95 B  (+0.2%)
new-hosted-site-flow-user-included       +560 B  (+0.3%)      +95 B  (+0.2%)
new-hosted-site-flow                     +560 B  (+0.3%)      +95 B  (+0.2%)
link-in-bio-tld-flow                     +560 B  (+0.0%)      +95 B  (+0.0%)
import-hosted-site-flow                  +560 B  (+0.0%)      +95 B  (+0.0%)
import-flow                              +560 B  (+0.3%)      +95 B  (+0.2%)
hundred-year-plan                        +560 B  (+0.3%)      +95 B  (+0.2%)
hundred-year-domain                      +560 B  (+0.3%)      +95 B  (+0.2%)
copy-site-flow                           +560 B  (+0.1%)      +95 B  (+0.0%)
connect-domain                           +560 B  (+0.3%)      +95 B  (+0.2%)
build-flow                               +560 B  (+0.0%)      +95 B  (+0.0%)

Sections contain code specific for a given set of routes. Is downloaded and parsed only when a particular route is navigated to.

Async-loaded Components (~95 bytes added 📈 [gzipped])

name                                        parsed_size           gzip_size
async-load-calypso-my-sites-checkout-modal       +560 B  (+0.0%)      +95 B  (+0.0%)
async-load-automattic-help-center-stepper        +560 B  (+0.1%)      +95 B  (+0.0%)

React components that are loaded lazily, when a certain part of UI is displayed for the first time.

Legend

What is parsed and gzip size?

Parsed Size: Uncompressed size of the JS and CSS files. This much code needs to be parsed and stored in memory.
Gzip Size: Compressed size of the JS and CSS files. This much data needs to be downloaded over network.

Generated by performance advisor bot at iscalypsofastyet.com.

[matticbot]

This PR modifies the release build for the following Calypso Apps:

For info about this notification, see here: PCYsg-OT6-p2

• notifications
• odyssey-stats
• wpcom-block-editor

To test WordPress.com changes, run install-plugin.sh $pluginSlug update/big-sky-copy on your sandbox.

[paulopmt1]

Validated copy here: p1739540495071289-slack-C04H4NY6STW

Screen.Recording.2025-02-14.at.11.31.44.mov

[a8ci18n]

This Pull Request is now available for translation here: https://translate.wordpress.com/deliverables/17253463

Some locales (Hebrew, Japanese) have been temporarily machine-translated due to translator availability. All other translations are usually ready within a few days. Untranslated and machine-translated strings will be sent for translation next Monday and are expected to be completed by the following Friday.

Hi @paulopmt1, could you please edit the description of this PR and add a screenshot for our translators? Ideally it'd include all of the following strings:

• Enjoy unrestricted usage of our AI tool to design your perfect website.
• Grow your site without limits — unlimited content, users, and traffic.

Thank you in advance!