Free tools / Sentry
How heavy is your page?
Paste a page. We weigh it with Google's mobile test, list the biggest files, and show every site icon it has.
- Reading the page and its icons
- Running Google's mobile test (up to 30 seconds)
- Adding up every file
Why page size matters
Every file on a page has to download before it feels finished: the code, the images, the fonts, the scripts for chat, tracking and reviews. On a good connection a heavy page is only a little slower. On a phone with two bars of signal, a 6 MB page can take ten seconds or more, and most people leave long before that.
What to do about a heavy page
- Resize photos to the size they are shown at (rarely more than 2000 pixels wide) and save them as WebP. This alone often halves the page.
- Replace video backgrounds and sliders with one good image.
- Remove tracking, chat and widget scripts you no longer use.
- Use one or two font weights, not six.
Favicons and app icons
The favicon appears in browser tabs and next to your site name in Google's mobile results. The apple-touch-icon is used when someone adds your site to an iPhone home screen. Both are small files, but missing ones make a site look unfinished.
Questions
How big should a web page be?
Aim for under 2 MB in total on mobile, and ideally under 1 MB for a simple business page. Over 5 MB is very heavy.
What makes pages heavy?
Usually photos straight off a phone or camera, uploaded at full size. Then video backgrounds, sliders, several fonts and lots of tracking and chat scripts.
Why does favicon matter?
The favicon is the little icon in the browser tab and in Google's mobile results next to your site name. Without one, browsers show a blank page icon, and Google shows a generic globe.
Where does this data come from?
The page size and file list come from Google PageSpeed Insights running a mobile test. The icons come from reading your page code.
Want Sentry on this every day?
On Lupaan your whole team works in the background and tells you when something needs you.