On Page SEO Tools: The Essentials Only
A concise guide to the essential on‑page SEO tools, a repeatable 30‑minute per‑URL routine, and when to move from manual checks to automation.

Vincent JOSSE
Vincent is an SEO Expert who graduated from Polytechnique where he studied graph theory and machine learning applied to search engines.
LinkedIn Profile
Most teams overbuy on page SEO tools and still miss the handful that move the needle. If you want faster wins in 2026, keep your stack lean, standardize a short routine, and automate the busywork.
Why a lean stack
On page SEO is an 80,20 game. Most of your gains come from a few repeatable checks, not from owning every tool. The right setup helps you ship fixes in hours, not weeks, and makes your pages more citeable by answer engines and classic SERPs alike.
What on-page covers
On-page work is everything you can change on a URL without earning new links:
Content and headings
Title link and meta description
Internal links and anchor text
Structured data
Images and media
Core Web Vitals and accessibility
The essentials
Below are the only categories most teams need, plus one free and one pro option for each. The tool is less important than the workflow you run with it.
Crawler
Job: inventory titles, headings, canonicals, status codes, inlinks, and find issues at scale.
Free pick: Screaming Frog SEO Spider (free tier for small sites)
Pro pick: Screaming Frog or Sitebulb licensed
Fast moves: crawl your site map, sort by missing or duplicate titles and H1s, flag non‑200 pages, check canonicals and noindex. Use Google Search Console’s URL Inspection to confirm live canonical and indexability for priority URLs.
Content editor
Job: help writers hit intent, entities, and structure while keeping brand voice.
Free pick: a simple outline template and competitor SERP review
Pro pick: a content editor like Clearscope or Surfer, or generate drafts in BlogSEO and align with brand voice
Fast moves: outline for search intent first, then fill the page with concise, answer-first sections. If you draft with AI, add human edits for facts, examples, and product context. See our guide on writing SEO‑optimized content with AI.
Performance
Job: improve Core Web Vitals, especially LCP, INP, and CLS.
Free pick: PageSpeed Insights
Pro pick: WebPageTest for waterfall and filmstrips
Fast moves: aim for LCP under 2.5 s, INP under 200 ms, CLS under 0.1. Compress and properly size images, defer noncritical JS, preload key fonts, and serve pages from a fast edge.
Schema
Job: make entities, facts, and page type machine readable.
Free pick: Rich Results Test and Schema Markup Validator
Pro pick: a template-driven schema pipeline
Fast moves: add JSON‑LD for Article or BlogPosting, FAQPage when relevant, and Organization on sitewide. Validate, ship, then revalidate. If you need scale, see our playbook on implementing JSON‑LD for AI SEO.
SERP preview
Job: check how your title link and meta might truncate and adjust for CTR.
Free pick: a pixel‑based SERP previewer like Portent’s
Pro pick: integrate snippet testing into your CMS workflow
Fast moves: keep titles descriptive, front load the primary value, avoid duplicate templates across many pages. There is no fixed character limit, aim for scanable titles that earn the click.
Internal links
Job: route equity and discovery, reduce crawl depth, and reinforce topical relationships.
Free pick: crawler inlinks report and GSC Links report
Pro pick: automation to suggest and place links at scale
Fast moves: ensure every new page receives at least 3 relevant in‑context links, diversify anchors, avoid self‑competition. For weighting strategy and avoiding over‑optimization, read Internal Linking Weights.
Images
Job: raise CTR and speed, and help answer engines parse your visuals.
Free pick: manual WebP conversion and descriptive alt text
Pro pick: automated pipelines for generation, compression, responsive delivery, and ImageObject schema
Fast moves: compress to modern formats, add width and height attributes, write alt text that aids comprehension, and use branded OG images for better share CTR. See our guide to image SEO on autopilot.
Accessibility
Job: make content usable and more reliably extractable.
Free pick: WAVE browser tool
Pro pick: axe DevTools and CI checks
Fast moves: ensure landmark structure, color contrast, focus styles, and meaningful alt text. Accessibility wins often correlate with better parsing by search and answer engines.

Quick picks table
Category | Free pick | Pro pick | Primary job |
Crawler | Screaming Frog (free tier) | Screaming Frog or Sitebulb | Inventory and fix at scale |
Content editor | Outline template + SERP review | Dedicated editor or BlogSEO drafts with brand voice | Intent and entity coverage |
Performance | PageSpeed Insights | WebPageTest | Improve CWV |
Schema | Rich Results Test, Schema Validator | Template‑driven JSON‑LD | Machine readability |
SERP preview | Pixel‑based simulator | CMS‑integrated preview | CTR control |
Internal links | Inlinks report | Automation at scale | Equity flow |
Images | Manual WebP + alt text | Automated image pipeline | Speed and CTR |
Accessibility | WAVE | axe DevTools | Usability and parsing |
A 30‑minute per‑URL routine
Use this when publishing or refreshing any important page. It is simple, repeatable, and covers the highest‑impact checks.
Crawl the URL and its siblings: confirm 200 status, canonical self‑reference, indexable state.
Fix title and H1: front load the core outcome, keep them distinct but aligned.
Tighten the intro: deliver the answer or value proposition in the first 2 to 3 sentences.
Strengthen structure: add scannable H2s and short paragraphs, include one table or list if it adds clarity.
Place 3 contextual internal links: point to money pages or supporting hubs with natural anchors.
Add JSON‑LD: Article or BlogPosting, and FAQPage if you truly answer discrete questions.
Optimize media: compress images, add width and height, meaningful alt text, and an OG image.
Run PSI: fix the top blocking resource or render issue affecting LCP or INP.
Validate: run Rich Results Test, quick accessibility check, and a SERP preview for truncation.
Publish and monitor: re‑crawl, submit via URL Inspection for critical updates, watch early CTR and CWV.
When to upgrade
Keep it scrappy until one of these is true, then automate:
You publish more than 20 posts per month and internal links lag behind.
You manage multiple CMSs and schema implementation drifts.
Your editors spend more than 30 minutes per article on manual image prep.
Your team forgets to run on‑page checks before hitting publish.
At that point, move to a workflow platform. BlogSEO centralizes AI‑powered drafting, brand voice matching, internal linking automation, auto‑publishing, scheduling, and at‑scale schema support so your on‑page hygiene happens by default rather than by heroics.
Metrics that matter
Track a short scorecard to prove your on‑page work is paying off.
CTR by query and page, especially where you own impressions but underperform on clicks
Top‑10 coverage for the page’s primary and secondary intents
LCP, INP, CLS trend for the template and for the specific URL
Structured data coverage and error rate for key types
Average internal link depth to money pages and number of referring internal pages
Time to index and time to first impressions for new URLs
Tool notes and gotchas
Tools surface issues, they do not set priorities. Always prioritize by business impact and probability of movement.
Do not copy competitor outlines verbatim. Answer engines reward clarity and uniqueness, not generic keyword stuffing.
Pixel counts beat character counts for titles. Use a preview, then watch real CTR in Search Console.
Schema should describe reality, not tactics. Adding FAQPage where no FAQ exists can suppress trust.
Performance fixes are compounding. One fewer render‑blocking script helps every page that uses the template.
Turn the checklist into a system
If your goal is consistent growth, operationalize the routine rather than relying on memory:
Standardize page templates with built‑in schema and media fields
Use a crawler schedule to email weekly deltas for titles, canonicals, and noindex
Add pre‑publish checks in your CMS and a monthly performance audit
Automate internal linking suggestions for new and updated posts
BlogSEO can help you ship this system. Generate articles in your brand voice, auto‑link them into your topic hubs, publish to your CMS, and keep on‑page fundamentals tight without adding headcount.
Ready to run the essentials only and scale the results that matter? Start BlogSEO’s free 3‑day trial or book a call to see it working on your site.

