Free Image Compression & SEO Guides — WebP, Core Web Vitals, Bulk Compress

Step-by-step tutorials on image compression, WebP conversion, Core Web Vitals optimization, and background removal. Written by the ImageTight team.

App Development

How I Compressed a 500MB Folder to 132MB for a 600-Page APK App

2 min read

Overcoming the strict Play Store module size limit by bulk compressing massive folders of images using offline AI.

Read Full Guide
SEO & Blogging

A Practical Site-Quality Checklist Before Applying to Google AdSense

4 min read

Review your content, navigation, trust information, and user experience before applying. No checklist can guarantee approval, but it can help you find gaps.

Read Full Guide
Cloud Storage

How to Compress Entire Google Photos Albums Before Uploading

1 min read

Stop paying for extra Google Drive storage. Compress your albums locally before backing them up to the cloud.

Read Full Guide
WordPress

Choosing a WebP Converter for WordPress: A Practical Checklist

3 min read

Compare conversion workflows, image quality, backups, and delivery behavior before changing a WordPress media library.

Read Full Guide
SEO & Blogging

How to Diagnose and Improve Largest Contentful Paint (LCP)

4 min read

Find the element responsible for LCP, identify whether the delay is on the server or in the browser, and work through fixes in order.

Read Full Guide
E-Commerce

A Safe Bulk Image Resizing Workflow for E-commerce Catalogs

4 min read

Prepare product photos for consistent display without losing originals, transparency, or important product detail.

Read Full Guide
Design Tools

How to Remove an Image Background and Check the Result

3 min read

Prepare a clean cutout by choosing a suitable source image, reviewing edges, and exporting with transparency intact.

Read Full Guide
Technology

Lossless vs. Lossy Image Compression: How to Choose

4 min read

Understand what each compression method preserves, where visible artifacts come from, and how to choose a format for the job.

Read Full Guide
App Development

How to Reduce Image Assets in an Android App Bundle

3 min read

Find oversized and unused image resources, choose suitable Android assets, and verify changes in a release build.

Read Full Guide
Web Development

Does Safari Support WebP? How to Check Image Compatibility

2 min read

Check WebP support across the Apple devices you target and test the complete image delivery path, including fallbacks and caches.

Read Full Guide
Web Development

Image Optimization in Next.js: A Practical Implementation Guide

3 min read

Use responsive sources, stable layout dimensions, and measured delivery settings without creating duplicate image-processing paths.

Read Full Guide
Reviews

How to Compare Image Compression Tools Before Choosing One

3 min read

Compare file limits, batch handling, privacy, output quality, and recovery options instead of relying on a single “best alternative” claim.

Read Full Guide
SEO & Blogging

Writing Useful Alt Text for Images: Accessibility and Search

3 min read

Describe the information an image contributes, distinguish decorative images, and avoid keyword-stuffed alternative text.

Read Full Guide
Design Tools

How to Resize and Compress a YouTube Thumbnail

2 min read

Check current thumbnail specifications, preserve readable text, and export a file that uploads reliably without visible artifacts.

Read Full Guide
Technology

AVIF vs. WebP: Compare Quality, Size, and Workflow

3 min read

Understand the practical differences between AVIF and WebP, then choose a format using your audience, assets, and delivery setup.

Read Full Guide
Web Development

How to Diagnose a Slow Website Before Changing It

2 min read

Measure server response, rendering, scripts, and images separately so you can fix the cause instead of guessing.

Read Full Guide
Workflow

How to Batch Convert PNG Images to JPEG on Mac or Windows

2 min read

Choose the right images for JPEG, preserve transparency where needed, and verify filenames and output quality after a batch conversion.

Read Full Guide
Design Tools

JPEG Compression: Artifacts, Trade-offs, and When to Use It

3 min read

Understand why JPEG artifacts appear, how repeated saves affect an image, and when another format may fit the workflow better.

Read Full Guide
SEO & Blogging

How to Use PageSpeed Insights Without Chasing a Perfect Score

2 min read

Read lab and field data, identify the real bottleneck, and prioritize changes that improve the experience rather than a single number.

Read Full Guide
Design Tools

Does Image Compression Change DPI or Print Quality?

2 min read

Learn how pixel dimensions, metadata, compression, and physical print size interact before preparing an image for print.

Read Full Guide
Social Media

Preparing Images for Instagram: Dimensions, Cropping, and Quality

2 min read

Check current publishing specifications, design for feed crops and mobile screens, and keep a master before exporting.

Read Full Guide
Technology

How Local Image Compression in a Browser Works

3 min read

Follow the basic steps from file selection to export, and learn what “local processing” does and does not mean for privacy.

Read Full Guide
E-Commerce

Preparing E-commerce Product Photos for Clear, Fast Pages

3 min read

Create consistent product images while preserving color, detail, useful zoom, and predictable mobile delivery.

Read Full Guide
Web Development

Are CSS Sprite Sheets Still Useful for Web Images?

3 min read

Understand sprite sheets, their maintenance costs, and when separate or inline assets are simpler for modern websites.

Read Full Guide
iPhone Guides

How to Convert HEIC to JPG on iPhone (Free, 2026)

2 min read

Convert HEIC photos to JPG free in seconds — no app download needed. Works on iPhone, iPad, and Mac.

Read Full Guide

WANT TO SHARE YOUR STORY?

Did ImageTight help you hit a strict app size limit or boost your SEO? Share your success story with our community.

    Image Compression Guides — WebP, Core Web Vitals 2026