Start with one real case for Optimising website images. Record the start and the goal.
Technology should stay stable and easy to check. Test each change again after release.
X25GO KNOWLEDGE · Website technology and quality
Optimising website images: Basics explained clearly
This guide covers Optimising website images. Use one real case and keep the next step clear.
What matters in practice
Key rule: Choose dimensions, format, compression, responsive variants and alt text for the actual use.
Set the goal first. Then use one real case.
A reliable way to work
Set one question before the test. Decide what result should count.
Name one owner. Record the current state.
Change one point only. Then check the result.
If money, customers or public claims are involved, add a human review.
Check the result again later. Keep only what helps the goal.
Set the goal
- Keep the starting point visible.
- Use facts from the real case.
- Set one clear review point.
- Start with what matters now.
Check the starting point
- Ask when one fact is unclear.
- Separate facts from assumptions.
- Keep the reason for the test visible.
- Check the key facts first.
Change one point
- Return to the start when the result is unclear.
- Change one point only.
- Run a short test.
- Compare the result with the start.
Secure the result
- Record the final state.
- Name the next step.
- Set a date for the next review.
- Keep one owner for the follow-up.
Practical checklist
- Write the goal in one sentence.
- Record the start and one real case.
- Check the key rule.
- Name the owner and approval point.
- Set one measure and one date.
Common mistakes
- Starting without a clear goal.
- Changing several points at once.
- Using a result without a final check.
Concrete example
Example: An SME tests Optimising website images with one real case. The team records the start, changes one point and checks the result. Then it plans the next step.
Related guides
At a glance
Four relevant points to understand and check on this page.
What this subject covers
Optimising website images: Choose dimensions, format, compression, responsive variants and alt text for the actual use.
The rule for this area
Technology should deliver content reliably, quickly, securely and clearly for people and crawlers.
What this perspective checks
Start with purpose, terms and limits. This makes clear what belongs to the topic and what does not.
Check it in practice
Use one real case for Optimising website images. Record which rule you tested and whether the result meets the goal.