20 Easy Win Performance Tips
Syntax - Tasty Web Development Treats
Wes Bos
4.9 • 1.1K Ratings
🗓️ 21 March 2018
⏱️ 63 minutes
🧾️ Download transcript
Summary
In this episode, Scott and Wes chat about 20 different ways you can improve the perf, speed and overall user experience of your websites.
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Show Notes
So many perf tips came in over twitter, so in addition to this podcast I'd recommend you read all the replies to this tweet
0:00
- We just cracked 1,000,000 downloads! Thank you!
4:00
- Network Tips
- Reducing the amount of HTTP requests
- A little bit about HTTP2
- An interview about http2
8:00
- Use Caching and LocalStorage
- Turn on aggressive caching on your server - long expire times
- What is gzip? / Enabling gzip
12:00
- Using a CDN
- Listen to our episode on CDNs and #BigZips
13:00
- When to load your JS
- Blocking Requests
15:00
- Use Lazy Loading
17:00
- Preloading content with Link rel="preload"
- rel="prefetch"
19:00
- Picture, picturefill and srcset=""
- Article on srcsrc and Picture
- srcset vs picture/source elements
25:00
- Image Compression
- One less jpg
- Serve less data
26:00
- Inline SVG
- Talk about Font Awesome
33:00
- CSS and JS Code
- Critical CSS
37:00
- Remove unused code
- Purify CSS
- no-unused-imports with ESlint
38:00
- Code Splitting
40:00
- Transpile less
- babel-preset-env
41:00
- Tree shaking
- Hoyyyy its a tree shaker
42:00
- Async ans defer attributes on your script tags
- Amazing site that visualizes async and defer
45:00
- Icon Fonts
- Web Fonts
- Native Font Stack:
- Good:
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
47:00
49:00
- Troubleshooting Performance
- Simulate Slow Network Speed
- Google Page Speed
- Wes' Page Speed Video
SIIIIICKkkkkkkkk PIXXXXX
Shameless Plugs
- Scott is working on a Vue course!
- Wes is working on his Advanced React course!
Tweet us your tasty treats!
- Scott's Instagram
- LevelUpTutorials Instagram
- Wes' Instagram
- Wes' Twitter
- Wes' Facebook
- Scott's Twitter
- Make sure to include @SyntaxFM in your tweets
Transcript
Click on a timestamp to play from that location
| 0:00.0 | You're listening to Syntax, the podcast with the tastiest web development treats out there. |
| 0:06.0 | Strap yourself in and get ready. Here is Scott Tolinsky and West Boss. |
| 0:10.8 | Welcome to Syntax! |
| 0:13.0 | episode 1 million. |
| 0:15.1 | Well, not episode 1 million, |
| 0:16.4 | but we have just crassy 1, 1 million downloads. |
| 0:21.5 | This is our 1 millionth episode. Thank you so much for hanging in there. |
| 0:25.6 | And with that we'd like to announce that we are shutting it all down. No, I'm just joking. We're not there. |
| 0:33.0 | But we, I would just cracked 1 million downloads and I'm pretty excited about that. |
| 0:37.5 | So a huge thanks to everybody who has listened in and shared it with a friend and I don't know it done everything it's it's been a wild ride and we're looking forward to 1 billion |
| 0:48.3 | so with me today is the Scott Tolinsky how you doing today Scott |
| 0:56.2 | Hey I'm doing super good as usual. Just recording by next series and in getting all that stuff going, coding up and doing all sorts of, I don't know, just working, feeling good. |
| 1:04.1 | How about you? |
| 1:05.1 | Good, I'm feeling good too. |
| 1:06.5 | Just got back from a conference in Manchester, which was super fun, met a lot of |
| 1:11.7 | syntax fans there, which was pretty fun, met a lot of syntax fans there which was pretty fun to actually meet people in person. |
| 1:16.6 | It's funny people are like I hear your voice all the time but now you're in person or and now you're like at one X and I'll usually listen to you at two |
| 1:24.7 | X you sound like you're drunk. I know that isn't that weird like when I like |
| 1:29.1 | listen to a podcast and I suddenly turn it back to the normal speed, |
| 1:32.6 | they just sound like you're talking so slow. |
| 1:36.7 | It's so weird, I like don't get it. |
| 1:38.6 | Like, does your brain just adjust back to normal at some point? |
... |
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