Thresholds and guidance checked against Google Search Central documentation on October 12, 2026. The Blogger tips below are general good practice; test your own blog before and after each change.
A slow blog loses readers before they read a word. Speed also matters to Google: it uses Core Web Vitals in its ranking systems and "highly recommends" that site owners achieve good scores. The good news is that most Blogger blogs can get noticeably faster without any coding. Here's how to measure your speed and what to fix first.
Step 1: Measure your blog's speed
Two free Google tools tell you where you stand:
- PageSpeed Insights: enter any post's URL and click Analyze. It scores the page and lists specific fixes.
- Search Console's Core Web Vitals report: shows how your pages perform for real visitors. If you haven't set it up yet, follow our Search Console guide for Blogger.
Test your homepage and one or two typical posts, and focus on the mobile results, since most visitors read on phones.
Step 2: Understand Core Web Vitals
Google's documentation defines three metrics and what counts as "good":
| Metric | What it measures | Good score |
|---|---|---|
| Largest Contentful Paint (LCP) | How fast the main content loads | 2.5 seconds or less |
| Interaction to Next Paint (INP) | How quickly the page responds to taps and clicks | Under 200 milliseconds |
| Cumulative Layout Shift (CLS) | How much the layout jumps around while loading | Under 0.1 |
Official page: Core Web Vitals (Google Search Central)
Step 3: Fix the most common Blogger slowdowns
1. Shrink your images
Large photos are the most common reason a post loads slowly.
- Resize images before uploading. A blog image rarely needs to be wider than about 1200 pixels.
- Compress them, and use JPG for photos and PNG only when you need transparency.
- In the Blogger editor, avoid setting every image to "X-Large" or "Original size".
2. Remove gadgets you don't need
Every gadget in Layout adds code that has to load. Review your sidebar and footer, and remove old counters, unused widgets, and duplicate "popular posts" or label lists.
3. Cut third-party scripts
Social share widgets, chat bubbles, old analytics snippets and embedded feeds often slow pages and hurt INP. Keep only what readers actually use. Make a backup first (Theme > Backup), then remove unused code in Edit HTML carefully.
4. Use a lightweight, responsive theme
Older custom themes often load several web fonts, icon libraries and sliders. A modern, responsive Blogger theme is usually much faster. If you switch, back up your current theme first, and remember that your gadgets and ad code may need to be added again.
5. Stop layout jumps (CLS)
Content that shifts while loading is often caused by images or ad slots with no reserved space. Keep image sizes consistent, and avoid inserting banners or widgets above content that's already visible.
6. Don't overload pages with ads
Google's page experience guidance asks whether ads distract from or interfere with the main content. Ads fund your blog, but too many slow pages down and frustrate readers. Placement matters more than quantity.
Speed is one part of page experience
Google's page experience guidance also asks whether your pages are served securely over HTTPS, display well on mobile, and avoid intrusive pop-ups. Google also says there is "no single signal": relevant, helpful content still comes first, and good page experience helps when many good pages compete.
Official page: Understanding page experience
Quick checklist
- Test with PageSpeed Insights (mobile).
- Resize and compress images.
- Remove unused gadgets and scripts, after backing up your theme.
- Use a responsive theme with HTTPS on.
- Re-test after each change so you know what helped.
New to Blogger? Read How to Start a Free Blog on Blogger.
Questions about your blog's speed? Ask through our Contact page.
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