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TTFB: How to Speed Up Your Website

February 25, 2023 | By David Selden-Treiman | Filed in: Core Web Vitals.


Are you frustrated with slow page load times on your website? As a website owner or developer, you know that every second counts when it comes to user experience and search engine rankings. This is where TTFB (Time To First Byte) comes in – it measures the time it takes for a visitor’s browser to receive the first byte of data from your web server.

As an expert in website speed optimization, I’m here to help you understand what TTFB is, why it’s important, and how to improve it. By the end of this article, you’ll have a better understanding of how TTFB affects your website’s performance, and the tools and techniques you can use to speed up your web server’s response time. Let’s dive in!

What Is TTFB?

TTFB (Time To First Byte) is a performance metric that measures the time it takes for a user’s browser to receive the first byte of data from a web server. It’s an important factor in page load speed because it measures the server’s response time, which can significantly impact user experience.

TTFB is calculated by measuring the time between a user’s request for a web page and the server’s response with the first byte of data. It includes the time it takes for the server to process the request, generate the page (if needed), and start sending back the page data.

TTFB is closely related to other performance metrics like First Contentful Paint (FCP) and Time To Interactive (TTI), which measure different aspects of page load speed. However, TTFB is unique in that it specifically measures the time it takes for the server to respond, regardless of how long it takes for the rest of the page to load.

In the next section, we’ll discuss why TTFB is important for both user experience and search engine optimization.

Why Is TTFB Important?

TTFB is an important factor in page load speed because it has a direct impact on user experience. When a user visits a web page, they expect it to load quickly and smoothly. If the TTFB is slow, it can cause a delay in the page loading process, resulting in a poor user experience.

According to a study by Akamai, even a 100ms delay in page load time can lead to a 7% reduction in conversions.

In addition to its impact on user experience, TTFB is also an important factor in search engine optimization (SEO). Search engines like Google take page load speed into account when ranking websites in search results since 2010. Websites with faster page load speeds are more likely to rank higher than those with slower load times. Since TTFB is a measure of server response time, it’s an important metric for improving SEO rankings.

Google has indicated that a TTFB of less than 200 milliseconds is considered fast. Therefore, it’s important to keep your TTFB as low as possible to improve both user experience and search engine rankings.

In the next section, we’ll discuss some of the factors that can contribute to a slow TTFB.

What Causes a Slow TTFB?

There are a variety of factors that can contribute to a slow TTFB. Many of these factors are on the website server’s side of the network traffic. Some common causes of a slow TTFB include:

Slow Database Queries

If your website relies heavily on a database to generate content, slow database queries can significantly slow down your TTFB. This can be caused by a variety of factors, including inefficient database design, large databases, or insufficient hardware resources.

Server Configuration Issues

Misconfigured servers can cause slow TTFB. This can include issues with caching, compression, and other server-side optimizations.

Extensive Processing Caused By Too Many Plugins

Using too many plugins on your website can cause extensive processing, which can lead to slow TTFB. Plugins can add additional overhead to your server, especially if they’re poorly optimized.

Slow Third-Party APIs

If your website relies on third-party APIs for data, slow response times from those APIs can cause a slow TTFB.

Network Latency

The physical distance between the user and the server can affect TTFB. The further away the user is from the server, the longer it will take for the data to travel, resulting in a slower TTFB.

In order to speed up your TTFB, it’s important to identify and address the root causes of the problem. This may involve optimizing your server configuration, improving your database queries, or reducing the number of plugins on your website. In the next section, we’ll discuss some tools that can help you measure your TTFB and identify areas for improvement.

How Do I Measure TTFB?

In order to improve your TTFB, you need to be able to measure it. There are several tools that can help you do this:


This is a free online tool that provides a comprehensive analysis of your website’s performance. It includes a TTFB measurement, along with other metrics such as page load time, page size, and the number of requests made.

Chrome Developer Tools

This is a built-in tool in the Chrome browser that can help you measure TTFB. To use it, open Chrome Developer Tools and go to the “Network” tab. Reload the page and the TTFB will be displayed in the “Timing” section.

Pingdom Website Speed Test

This is another free online tool that provides a TTFB measurement, along with other performance metrics such as page load time and page size.

Once you’ve measured your TTFB, you can begin to identify areas for improvement. If your TTFB is slow due to slow database queries, you may need to optimize your database or improve your query efficiency.

If your TTFB is slow due to extensive processing caused by too many plugins, you may need to reduce the number of plugins on your website or optimize them for better performance.

How Do I Improve My TTFB?

There are several ways to improve your TTFB, depending on the root cause of the problem:

Optimize Your Server Configuration

Make sure your server is configured correctly and optimized for performance. This may include enabling caching, compression, and other server-side optimizations.

Reduce The Number Of Plugins On Your Website

Use only the necessary plugins and make sure they’re optimized for performance. Plugins can slow down page generation and cuase your visitors to have to wait while your site is being created.

Use A Content Delivery Network (CDN)

A content distribution network (CDN) can really help if your visitors are running into network latency issues. These issues can be resolved by having servers that are closer to your site’s visitors. We have an overview of CDNs here.

Use Caching

Caching can significantly improve TTFB by storing commonly requested content and serving it quickly without having to generate it every time. One way to use caching is to use Nginx as a front-end proxy, saving HTML requests and not having to generate the page for each visitor. Another option is to use an HTML caching plugin like W3 Super Cache for WordPress sites (see WordPress plugins below).

Optimize Database Queries

If slow database queries are the cause of your slow TTFB, you can optimize your database to speed up query execution. This can include adding indexes to frequently queried fields, denormalizing tables for better performance, and optimizing SQL queries.

Upgrade Your Hardware

If your server is struggling to handle the traffic to your website, upgrading your hardware can help improve TTFB. This can include adding more RAM, upgrading to a faster processor, or switching to a more powerful server.

If you’re on shared hosting, this will typically involve switching to a VPS.

Some WordPress Caching Plugins to Help Improve Your TTFB

There are several WordPress caching plugins available that can help improve TTFB for your website.

WP Fastest Cache

This plugin generates static HTML files from your dynamic WordPress website and saves them on the server’s cache. This means that when a user requests a page, the static HTML is displayed instead of having to generate the page every time. This can significantly improve TTFB and overall page speed.

WP Super Cache

Similar to WP Fastest Cache, this plugin generates static HTML files from your WordPress site and saves them on the server’s cache. It also has additional features like CDN integration, Gzip compression, and more.

W3 Total Cache

This plugin is a comprehensive caching solution for WordPress sites that can help improve TTFB and overall site speed. It offers features like page caching, object caching, database caching, and more.

When choosing a WordPress plugin to improve TTFB, it’s important to consider the specific needs of your website and the features offered by each plugin. It’s also important to ensure that the plugin is compatible with your version of WordPress and that it’s regularly updated and maintained.


In conclusion, as a website owner, you should strive to ensure that your website is fast and responsive, with a low TTFB. A slow TTFB can negatively impact the user experience and your search engine rankings. By measuring TTFB and identifying the root cause of a slow TTFB, you can take steps to improve it, such as optimizing your server configuration, using caching, optimizing database queries, upgrading your hardware, and using WordPress plugins designed to improve TTFB.

Remember, improving TTFB not only benefits your users but can also positively impact your SEO rankings. By implementing the tips and strategies outlined in this article, you can ensure that your website is fast, responsive, and provides a great user experience for your visitors.

Looking for Higher Performance Website Hosting?

At Potent Pages, we specialize in providing high-performance website hosting, easily improving TTFB without worrying about configuring and optimizing your server. If you need optimized hosting, please contact us using the form below and we’ll be in touch!

    Get Hosting

    David Selden-Treiman, Director of Operations at Potent Pages.

    David Selden-Treiman is Director of Operations and a project manager at Potent Pages. He specializes in custom web crawler development, website optimization, server management, web application development, and custom programming. Working at Potent Pages since 2012 and programming since 2003, David has extensive expertise solving problems using programming for dozens of clients. He also has extensive experience managing and optimizing servers, managing dozens of servers for both Potent Pages and other clients.


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