WebPageTest’s new Opportunities and Experiments: test practically anything
Learn what you can do with the new and incredibly useful test tools from WebPageTest – with no coding required.
Contributor
Detlef Johnson's latest articles
Functions for Core Web Vitals Tactics with Cloudflare’s HTMLRewriter
The HTMLRewriter() API gives us the ability to use jQuery-style element selectors to attach to HTML elements in raw page source to run JavaScript from that foothold.
Evolving Core Web Vitals tactics using Cloudflare and WebpageTest
In this article, we demonstrate an evolution from an original concept for a testbed to a project suitable for our future events and articles.
Your guide to Core Web Vitals tactics using Cloudflare and WebpageTest
Here is how to test Core Web Vitals scores and code changes using Cloudflare Workers as a reverse proxy and WebpageTest.
Google changes Core Web Vitals metrics; How to use lab and field data for optimization
Field data, considered towards rankings, will vary depending on real-world user device power, screen size, and network connectivity. Lab data has default values for these and, (except in the case of Page Speed Insights), can be calibrated by developers to simulate all manner of conditions.
News from Google I/O for technical SEO practitioners and site developers
For technical SEO practitioners and site developers alike, we can glean a lot from the announcements the Chrome team made about the availability of technologies and extensions to their current products in the "What's new for The Web Platform" keynote.
SharedArrayBuffer warnings in Search Console: Clarifying a new cross-origin isolation security policy
Android Chrome 88 and desktop Chrome 91, plus Firefox 79+ now implement SharedArrayBuffers again after Spectre caused a multiyear security blackout on the feature until new security requirements were in place.
How Gootkit trojan distributes ransomware via Google SERPs
Unknowing developers that search forums for script help can fall victim to Gootkit trojan and ransomware attacks
Chrome 88 adds to Core Web Vitals DevTools
Chrome 88 allows you to view your site's LCP, FIP, and CLS data in dev tools.
Google’s Lighthouse is now recommending JavaScript library alternates
Lighthouse now serves as a beacon for warning you when your project includes old libraries that have modern alternatives.
SEO for reactive JavaScript using React or Vue with NodeJS and other backend stacks
How to get SEO-friendly website pages to feel like there's magic burbling up beneath them.
Google opens the source for its robots.txt parser in Java and testing framework in C++
The new releases are from Google's Search Open Sourcing team.
Power SEO Friendly Markup With HTML5, CSS3, And Javascript
Live with Search Engine Land: SEO Developers tackle server side rendering (SSR) with lively discussion around communicating technical SEO with developers.
Guide to Core Web Vitals for SEOs and Developers
What you need to know about Google’s latest set of key user experience metrics for Web Developers.
Technical SEO for Shopify: A guide to optimizing your store for search engines
How to address the technical limitations in Shopify to improve your store’s search visibility.
What Safari’s 7-day cap on script-writeable storage means for PWA developers
Now marketers know how their days are numbered.
Coding for SEO: Using JavaScript to track COVID-19
An explanation of asynchronous JavaScript using Fetch API for getting JSON data to the screen.
Coding for SEO 101: Understanding source code, compressed code and compiled code
Why can't computers read human language? Why do some source files look like crazy character noise? Are computer programmers magicians?
New Google Lighthouse extension for Firefox goes live
Google wants Chrome team products widely distributed and that includes Firefox.
Microsoft Office hits pause on forcing Bing search in Chrome, Firefox
Rather than automatically changing default search engines for Chrome and Firefox, administrators are required to opt-in for it to do so network-wide.
Default Search in Chrome Switched to Bing for Office 365 ProPlus users
Microsoft Office 365 ProPlus is bundling a payload that switches default search engine for Chrome and Firefox over to Bing.
SameSite requirements for cookies: What SEOs and developers need to know
Get prepared for SameSite cookie handling behavior coming to Chrome, Firefox and Edge browsers.
Connect to remote hosts with secure shell
The terminal is important because it provides
- access to command line utilities
- the ability to perform SEO hacking on remote machines by opening shells in the cloud, and
- the ability to write or utilize programs that automate work tasks and power websites.
Getting started with a terminal emulator for SEO programming
The terminal is important because it provides
- access to command line utilities
- the ability to perform SEO hacking on remote machines by opening shells in the cloud, and
- the ability to write or utilize programs that automate work tasks and power websites.
Learn to think like an SEO developer
Enhance your skill set by bringing your SEO knowledge to the world of computer programming.
Googlebot renders, indexes AJAX-style dynamic content driven by XHR POST
More of your dynamic content can now be indexed by Google.
Evergreen Googlebot with Chromium rendering engine: What technical SEOs need to know
Googlebot now supports many more features and will make it easier for developers to ensure their sites work with Googlebot.
Sites vulnerable to XSS can be used to phish Googlebot
How to protect your site from being used in XSS exploits.
The SEO Advantages of Machine-Readable HTML5 Semantic Markup
Semantic HTML5 provides us with an opportunity to improve our websites and optimize for search engines. We can take full advantage of these opportunities by using machine-readable semantic HTML5 elements to describe page outlines. Specially-named containers can help search engines and browsers more easily identify how our pages are arranged. For example, <header> is its […]
How to get brand URLs in Google AMP cache by extending TLS for Web Package
Google has successfully rushed a solution with an implementation scheme that will display your brand URLs in your page’s Google AMP cache search results. If your business depends on Google AMP search results, you may want to consult the following guide to implementing the Web Package bundle with new Signed Exchanges. This entails either a […]
Why SEOs should get to know Karen Spärck Jones, originator of search engine algorithms
Let Jones' tf*idf be your guide. It underpins nearly all modern sophisticated search engine algorithms.
A WordPress safety plan for SEOs and developers
How to protect your WordPress site from attack and keep it safe and secure.
How to set up Google Search Console domain verification for site-wide reporting data
Getting technical: What you need to know about verifing your site with GSC using a DNS TXT record entry.
Service workers and SEO: What developers should know
What are service workers, why would you implement them and what's the potential impact on your site's rankings? Find out.
Using Google Search Console to manage ‘search enhancement’ validation errors and employing the API
In this wrap-up of our series on Google Search Console, get tips on the most productive uses of the GSC API.
Managing Sitemap XML with Google Search Console
What to look for in Search Console indexing reports, plus learn why and how to create a dynamic Sitemap file.
Getting started with Google Search Console
In this first part of our in-depth exploration of the new Google Search Console, we'll explain the overview section, Performance report and URL inspector.
Introducing SEO for developers. It’s time.
Let's bring developers into the search engine optimization conversation and community so sites are built for efficient indexing from the get-go.