A technical blog can explain programming, engineering, infrastructure, data, hardware or a specialized workflow. A general technology-news or gadget-review blog has different evidence needs. This guide concentrates on tutorials and explanations that let someone understand or perform a defined task, with room for honest learning notes and clearly labeled analysis.
How to Start a Technical Blog: Publish a Tested First Post
- 10 min read
- 8 sections
- 4 comparison tables
- 8 questions answered
The short answer
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Contents8 sections

Read nextHow to Start a Devotional Blog: Plan, Write and Publish
1. Choose a reader, a task and a promise you can support
Define what the reader already knows, what they need to accomplish and what this post will leave out. Google’s technical-writing audience lesson emphasizes matching the explanation to the reader’s existing knowledge. A job title alone does not tell you whether someone knows your language, toolchain or project conventions.
| Too broad | More useful first-post scope |
|---|---|
| Learn JavaScript | Count literal true values in an array for readers who already know functions and arrays. |
| Everything about deployment | Explain one deployment step for a named stack/version, including prerequisites, checks and rollback limits. |
| The best developer tools | Compare a defined task on tools actually examined, distinguishing observed behavior from vendor documentation. |
| What I learned at work | Explain an authorized, nonconfidential lesson, with real observations separated from a reconstructed example. |
You can write while learning. State that context accurately and verify the result instead of adopting an invented senior-engineer identity, customer incident or benchmark. A tutorial should not imply that a toy example is production-ready. For security, infrastructure or cost-sensitive changes, define authorized test conditions and potential effects before presenting commands.
2. Test the platform with a representative article
Before choosing on appearance alone, create a private draft containing the hardest parts you expect to publish: a code sample, output, diagram, long identifier, table and source link. Check the actual public preview on a phone and desktop. A platform may support blogging while handling code copying, wrapping or media poorly for your particular content.
| Check | What a useful draft should demonstrate |
|---|---|
| Code and output | Selectable text, preserved indentation/quotes, readable type and contained horizontal scrolling where needed. |
| Navigation and context | Descriptive title, meaningful headings, visible prerequisites/version and links to related concepts. |
| Media and accessibility | Legible diagrams, equivalent explanations, appropriate text alternatives and usable keyboard navigation. |
| Maintenance and control | Owner access, an update/export workflow, actual costs and responsibility for hosting/software changes. |
Grigora provides hosted site and CMS routes. Its classic post editor includes a code block, while an AI-built site uses its CMS collection and designed article template. Those are different editing/rendering paths: test the resulting code and media presentation rather than assuming every classic block appears identically in every AI template. Use the current plan details and your own preview to assess fit.
Choose a domain name that is understandable and flexible enough for your intended topic. A custom domain is a branding and account-control decision, not proof of expertise or improved rankings. Check registration/renewal terms and name conflicts; hosted publishing and self-hosted software have different setup and maintenance responsibilities.
3. Use a reproducible tutorial outline
- Outcome: the narrow task the reader will be able to perform, and situations where this approach does not fit.
- Prerequisites: assumed knowledge, runtime/tool versions, operating-system dependencies, accounts and any charges or permissions.
- Inputs: complete sample data or an accessible, appropriately licensed fixture. Use synthetic data when real records are unnecessary.
- Steps and reasons: runnable instructions in order, with an explanation of the important choices.
- Expected result: relevant output, success checks and likely errors tied to the corresponding step.
- Limits and cleanup: untested cases, security/cost considerations, resources to remove and a useful next task.
Read the current official documentation for the exact API/version or product behavior. Keep a source and checked-date record for claims likely to change. Separate documented behavior, your observed results and your interpretation. If a generated draft suggests a command, citation or measurement, verify it before publishing; fluent output is not test evidence.
4. See the outline applied to a small, tested example
Original illustrative tutorial: count enabled values. Reader: someone who understands basic JavaScript functions and arrays. Goal: count elements that are the Boolean value true. Prerequisite for this run: an already-installed Node.js runtime. This example uses no packages, network calls, files beyond the script, or paid services. It does not validate every possible application data model.
Save the following as count-enabled.cjs and run node count-enabled.cjs in its directory. This article’s sample and the five checks below were run locally with Node.js v22.22.0 on 3 November 2026. That records the actual coverage; it does not establish support across every runtime or application.
function countEnabled(values) {
if (!Array.isArray(values)) {
throw new TypeError("Expected an array");
}
return values.filter(value => value === true).length;
}
console.log(countEnabled([true, false, true]));The output is 2. Array.isArray checks the container. filter keeps elements satisfying the predicate, and the resulting array’s length is the count. The strict comparison deliberately excludes a string such as "true" and a number such as 1; those are not the Boolean true.
| Input | Observed result in this local run |
|---|---|
| [true, false, true] | 2 |
| [] | 0 |
| [false, false] | 0 |
| ["true", 1, true] | 1 |
| "true" (a string, not an array) | TypeError: Expected an array |
All five checks passed for that small function. They show its stated behavior on those inputs, not exhaustive correctness, performance, security or production suitability. A sparse array, very large input or different data contract would need its own consideration. The guard catches a wrong container; it does not convert strings into booleans.
This is the level of specificity to aim for in a first post: a defined audience, a small input, copyable code, visible output, an error and honest limits. For a noncoding post, use the same structure with configuration states, an annotated diagram or another observable result. Do not add code merely to make the article appear more technical.
Also worth readingHow to Start a Movie Blog: 5 Steps to Your First Review
5. Publish readable evidence and respect permissions
- Copy the example back out of the actual preview and run the copied text. Check indentation, smart quotes, missing characters and line breaks.
- Keep important code/output as selectable text rather than only screenshots. Remove tokens, credentials, private addresses and confidential data from all text and media.
- Give diagrams a specific purpose: label inputs, components, boundaries and arrows; state whether an architecture is real, simplified or hypothetical.
- Use headings, useful link labels and text equivalents for visual information; ensure that your site is mobile-friendly and check keyboard access.
- Verify the correct public address, metadata, source links and relevant index/visibility settings. A draft preview alone is not a published article.
Before launch, ensure that your site is mobile-friendly with the actual code, table and diagram in place. A long line should stay within its own scrollable area instead of pushing the entire page sideways. Read the post on the devices you can actually check and record any coverage limits.
Public code is not automatically unrestricted code. GitHub’s repository licensing guide explains the role of an explicit license and the default copyright position without one. Check permission, license terms and attribution for reused code, diagrams and screenshots. Work samples also need any required employer/client approval; removing a company name does not necessarily remove confidential details.
Create an accurate about page with relevant experience and the limits of your coverage, plus a way to report an error. Add useful prerequisites, limits and next steps at the end of your blog posts. Avoid presenting a disclaimer as a substitute for correct instructions or permission to reuse someone else’s work.
6. Share useful work and maintain the instructions
Share a concise answer or finding in relevant communities where their rules allow it, with a link when useful. Participate in the discussion and explain the scope instead of repeatedly broadcasting a link. If publishing elsewhere, check permissions and the platform’s current original/canonical settings rather than assuming a copied article automatically retains the same search treatment.
Maintain a consistent posting schedule only at a pace that leaves time to test and revise. Keep an update record for each post: tested version/date, important source links, unresolved issues, reader-reported failures and the event that should trigger a review. A changed dependency or API may matter more than an arbitrary weekly publication target.
| Signal | Editorial action |
|---|---|
| Reader reports an error | Ask for nonsensitive version/input/error details; reproduce where possible and distinguish confirmed from unresolved. |
| Tool or API changes | Check the relevant release/documentation, rerun affected examples and revise the instructions and coverage record. |
| A post is no longer safe or supported | Put a clear limitation near the affected step, link to an appropriate replacement or withdraw instructions that cannot be verified. |
| Traffic changes | Inspect affected pages/queries and reader usefulness; do not alter technical claims solely to chase a keyword. |
Look for meaningful evidence: can readers complete the task, do questions expose a missing prerequisite, and can you maintain the post? Page views, search impressions, code downloads and paid work are different outcomes. Do not invent an influencer deadline, user-test result or career opportunity to make the launch sound successful.
7. Keep commercial recommendations separate from evidence
Affiliate marketing, sponsorships, teaching or paid services are possible business models, not required launch steps or promised income. A review should identify what was actually tried, how it was evaluated, limitations and relevant relationships. In US-facing endorsements, follow the FTC’s material-connection guidance: make relevant paid/free-product relationships clear with the recommendation.
If considering selling e-books, example projects or courses, define the content, licenses, supported versions, update policy and learner prerequisites. Account for support, payment/provider eligibility, refunds and ongoing maintenance. Keep your free tutorial’s evidence honest regardless of whether the reader buys anything.
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Karan Singh Bhakuni
118 articles on the Grigora blog
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