SEO Blog

Practical SEO guides,
one tool at a time

Deep-dive tutorials on Google Search Console, CTR optimisation, keyword research, UTM tracking, and more - written by the team behind Searchlight.

PDF Merge

How to Merge PDF Files Online (Without Losing Quality or Formatting)

Merge multiple PDF files into one instantly — free, no account needed, no file size limits. Learn how PDF merging works and when to use it.

18 May 2026·6 min readRead →
Regex Tester

Regex Tester: How to Write, Test and Debug Regular Expressions

Test regular expressions in real time with match highlighting, group capture view, and a built-in cheatsheet. Learn the most useful regex patterns for developers.

12 May 2026·9 min readRead →
Image Compressor

Image Compression Guide: Reduce File Size Without Losing Quality

Learn how image compression works, the difference between lossy and lossless, and how to compress JPG, PNG, and WebP images online without visible quality loss.

6 May 2026·8 min readRead →
Password Generator

Password Generator: How to Create Strong Passwords That Are Actually Secure

Learn what makes a password strong, how random password generators work, and why length beats complexity. Generate secure passwords instantly — no account needed.

29 April 2026·8 min readRead →
Schema Tester

JSON-LD Schema Markup: The Complete Guide to Rich Results in 2026

Learn how to implement JSON-LD schema markup correctly. Covers every major schema type, common mistakes, and how structured data fuels AI overviews and rich results.

22 April 2026·10 min readRead →
JSON Formatter

JSON Formatter Online: Validate, Beautify and Debug JSON in Seconds

Format, validate and debug JSON instantly in your browser. No uploads, no accounts. Learn how a JSON formatter works and the most common JSON errors to fix.

22 April 2026·7 min readRead →
PageSpeed Checker

Core Web Vitals Explained: LCP, INP and CLS - And How to Fix Them

Master Core Web Vitals in 2026. Understand LCP, INP, and CLS thresholds, the most common causes of failure, and the fastest fixes to boost your Google rankings.

15 April 2026·9 min readRead →
Meta Preview

How to Write Perfect SEO Title Tags and Meta Descriptions (With Real Examples)

Learn how to write title tags and meta descriptions that rank higher and get more clicks. Includes character limits, formulas, and a free meta preview tool.

8 April 2026·11 min readRead →
UTM Builder

UTM Parameters: The Complete Guide to Campaign Tracking (With Examples)

Learn how to use UTM parameters to track your campaigns accurately. Includes naming conventions, common mistakes, and a free UTM builder to get started.

1 April 2026·10 min readRead →
Cannibalization Checker

What Is Keyword Cannibalization? How to Find It, Fix It, and Know When to Leave It Alone

Keyword cannibalization happens when two pages compete for the same query. Learn the three types, how to find them in GSC, and the five fixes that actually work.

24 March 2026·10 min readRead →
CTR Finder

How to Improve Click-Through Rate in SEO: Get More Clicks Without Moving Up a Single Position

Learn how to improve click-through rate in SEO with title formulas, meta description tactics, and a CTR finder tool powered by Google Search Console.

17 March 2026·9 min readRead →
Opportunity Finder

SEO Quick Wins: How to Find and Exploit the Position 4-20 Sweet Spot

Learn how to find SEO quick wins by targeting keywords ranked 4-20. Discover the four signals that mark a keyword as high-priority and how to act on them fast.

10 March 2026·10 min readRead →
GSC Dashboard

How to Use the Google Search Console Dashboard (And Actually Get Value From It)

Learn how to use the Google Search Console dashboard to find your best and worst pages, spot trend changes early, and turn raw data into SEO wins.

3 March 2026·9 min readRead →