What is a good time to first byte?

What is a good time to first byte?

What is a Good TTFB? According to SearchEnginePeople and Google, your TTFB needs to be less than 200 milliseconds (ms). This number also differs by the type of content on your page. Static content should load at 100ms while dynamic content should load at a speed of 200 – 500ms.

How can I speed up my first byte time?

6 ways to improve TTFB:

1. Use a Content Delivery Network.
2. Optimize the application code.
3. Optimize the database queries.
4. Reduce HTTP requests.
5. Ensure a faster server response time.
6. Use Respond First, Process Later (RFPL) cache.

How do you calculate first byte time?

How to measure the TTFB?

1. Right-click on the page and select ‘inspect element’. You now see the devtools of your browser.
2. Click on the network panel and then on the first item in this network panel. That is the page itself.
3. Then click on ‘Timing’ to see how the loading speed of this page is structured.

Why is time to first byte so long?

The most common culprit for high TTFB is dynamic content generation. This refers to the time it takes PHP and database queries to generate your webpages. The primary contributing factors to slow dynamic content generation are large files, excess or slow database queries, and autoload data.

Does CDN reduce TTFB?

A CDN can speed up your site by serving these static files to your visitors much faster. It does not lower the TTFB of your initial html page file, but it does significantly lower the TTFB of the static files. This is a whopping 85% reduction in TTFB just by enabling a CDN.

What affects time first byte?

TTFB is impacted by three key actions: 1) sending a request from a client machine to the server, 2) processing that request on the server and generating a response, and 3) sending the response from the server to the client.

How do I reduce first byte time in WordPress?

9 Ways to Reduce Time to First Byte on WordPress

1. Use a Fast Web Host.
2. Use Caching.
3. Use GZIP Compression.
4. Optimize Your Database.
5. Use a CDN.
6. Keep WordPress, Plugins, and Themes Updated.
7. Reduce Queries.
8. Use a Premium DNS Service.

How do I fix the first byte time in WordPress?

9 Tips to Reduce TTFB in WordPress

1. Use Cloudflare DNS.
2. Use a Cache Plugin.
3. Use a VPS server or High Performance Managed Hosting.
4. Use PHP v8.0 (or the latest version)
5. Use TLS 1.3.
6. Choose Server Location Wisely.
7. Use OpenLiteSpeed or LiteSpeed Server.
8. Cache HTML Pages on CDN.

How do I test TTFB?

How to test TTFB. You can submit your website to https://www.webpagetest.org, which will then provide you with a performance overview of your site, including the TTFB. If you are familiar with using Chrome’s console, you can quickly identify the TTFB of your site in the Network tab.

What is an acceptable TTFB?

When considering what classifies as a desirable TTFB, times below 100ms are perfect, times between 100ms to 300ms are great, times between 300ms to 500ms are acceptable and anything higher is not good. When measuring, be sure to check issues that might impact the TTFB.

How do I reduce the time of a first byte in WordPress?

What is a bad TTFB?

The issue has to be on the origin server. On average anything with a TTFB under 100 ms is fantastic. Anything between 200-500 ms is standard and anything between 500 ms and 1 s is less than ideal. Anything greater than 1 s should likely be investigated further.

What is the definition of time to first byte?

Time to first byte is the duration that any user like YOU has to wait for the initial response after being requested for something on the Internet. According to Wikipedia, TTFB measures the duration from the user or client making an HTTP request to the first byte of the page being received by the client’s browser.

What makes a web server slow time to first byte?

Summary: Slow web servers can be caused by a number of factors. You can test for slow server response times with the time time to first byte metric. Although 80% of web performance problems are typically due to front-end issues (Souders 2009), back-end bottlenecks can slow your site down to a crawl.

How does TTFB measure time to first byte?

According to Wikipedia, TTFB measures the duration from the user or client making an HTTP request to the first byte of the page being received by the client’s browser. You know, when you request something online, let say a web page, first, a relevant request goes to the web server where that particular site or application is hosted.

How long does it take to get first byte from DNS?

Overall, Habib and Abrams found that DNS lookup time takes from 10-20%, connection setup time from 20-30%, time to get the first byte takes from 40 to 60%, and content downloading time takes from 10 to 20% of the total page load time. DNS time was signifant in international web sites, and decreased significantly (90+%) on cached resources.