SEO
When To Use Rel Canonical Or Noindex …Or Both

In a Google SEO office-hours hangout Google’s John Mueller was asked whether rel canonical or the noindex tag was the best approach for dealing with duplicate and thin content in an ecommerce site. John Mueller discussed both options and then suggested a third way to handle it.
Noindex Directive
The noindex meta tag is a directive, which means that Google must obey the meta tag and drop the web page from appearing in the search results.
All that the noindex tag does is to drop that page from showing up in Google’s search results.
Google’s official documentation states:
“You can prevent a page or other resource from appearing in Google Search by including a noindex meta tag or header in the HTTP response. When Googlebot next crawls that page and sees the tag or header, Googlebot will drop that page entirely from Google Search results, regardless of whether other sites link to it.”
Rel Canonical
A rel=canonical tag is a hint, not a directive. It gives Google a suggestion for which URL you want shown in the search results.
This is useful when there are multiple pages that are similar, especially when a shopping CMS generates multiple pages for the same product with usually the only difference being something trivial like the color of the item.
Google’s official rel canonical documentation explains the problem like this:
“A canonical URL is the URL of the page that Google thinks is most representative from a set of duplicate pages on your site. For example, if you have URLs for the same page (example.com?dress=1234 and example.com/dresses/1234), Google chooses one as canonical.”
The rel canonical is a useful solution because it can consolidate all of the link and relevance signals back to the main page that a publisher wants in the search results.
But because Google treats the rel canonical tag as a hint, there’s no guarantee that Google will obey it and the Google algorithm may decide to show some other page in the search result.
Rel Canonical Versus Noindex
The person asking the question wanted clarification about whether it was best to use noindex or canonicalization.
It’s not an unreasonable thing to be confused about because a case could be made using either solution.
Here’s the question:
“We have a website… an ecommerce store with a lot of product variations that have thin content or duplicate content even sometimes.
So …I made a list of all the URLs we want to keep or we want to have indexed… and then I made a list of all the URLs that we don’t want to have indexed.
The more I worked on it the more I asked this question to myself, canonicalization or noindexing?
I don’t know what the better of those would be.”
Mueller answered:
“…I think the general question of should I use noindex or rel canonical for another page is something where there probably isn’t an absolute answer.
So that’s kind of just offhand. It’s like if you’re struggling with that you’re not the only person who’s like, oh which one should I use?
That also usually means that both of these options can be okay.
So usually what I would look at there is what your really strong preference there is.
And if the strong preference is you really don’t want this content to be shown at all in search, then I would use noindex.
If your preference is, I really want everything combined in one page and if individual ones show up, like whatever, but most of them should be combined, then I would use a rel canonical.
And ultimately the effect is similar in that, well, it’s likely the page that you’re looking at won’t be shown in search.
But with a noindex it’s definitely not shown.
And with a rel canonical it’s more likely not shown.”
A Third Way to Deal with Duplicate and Thin Pages
Mueller next suggested that a publisher can use both noindex and rel canonical in order to benefit from both.
Mueller said:
“…you can also do both of them.
And it’s something… if external links, for example, are pointing at this page then having both of them there kind of helps us to figure out well, you don’t want this page indexed but you also specified another one.
So maybe some of the signals we can just forward along.”
Combining Rel Canonical and Noindex is not a commonly discussed solution. But according to John Mueller it’s a valid way to deal with duplicate and thin content.
But ultimately it’s really up to the publisher to decide based on what their desired outcome is, whether consolidating link and relevance signals is important and whether making sure the page does not appear in search is paramount.
Citations
Google’s Official Documentation of Noindex
Block Search indexing with noindex
Google’s Official Documentation of Rel Canonical
Which is Best: NoIndex or Rel Canonical?
Watch at 16:49 Minute Mark
SEO
Google Updating Cryptocurrency Advertising Policy For 2024

Google published an announcement of upcoming changes to their cryptocurrency advertising policies and advises advertisers to make themselves aware of the changes and prepare to be in compliance with the new requirements.
The upcoming updates are to Google’s Cryptocurrencies and related products policy for the advertisement of Cryptocurrency Coin Trusts. The changes are set to take effect on January 29th, 2024.
Cryptocurrency Coin Trusts are financial products that enable investors to trade shares in trusts holding substantial amounts of digital currency. These trusts provide investors with equity in cryptocurrencies without having direct ownership. They are also an option for creating a more diversified portfolio.
The policy updates by Google that are coming in 2024 aim to describe the scope and requirements for the advertisement of Cryptocurrency Coin Trusts. Advertisers targeting the United States will be able to promote these products and services as long as they abide by specific policies outlined in the updated requirements and that they also obtain certification from Google.
The updated policy changes are not limited to the United States. They will apply globally to all accounts advertising Cryptocurrency Coin Trusts.
Google’s announcement also reminded advertisers of their obligation for compliance to local laws in the areas where the ads are targeted.
Google’s approach for violations of the new policy will be to first give a warning before imposing an account suspension.
Advertisers that fail to comply with the updated policy will receive a warning at least seven days before a potential account suspension. This time period provides advertisers with an opportunity to fix non-compliance issues and to get back into compliance with the revised guidelines.
Advertisers are encouraged to refer to Google’s documentation on “About restricted financial products certification.”
The deadline for the change in policy is January 29th, 2024. Cryptocurrency Coin Trusts advertisers will need to pay close attention to the updated policies in order to ensure compliance.
Read Google’s announcement:
Updates to Cryptocurrencies and related products policy (December 2023)
SEO
SEO Trends You Can’t Ignore In 2024

Most SEO trends fade quickly. But some of them stick and deserve your attention.
Let’s explore what those are and how to take advantage of them.
If you give ChatGPT a title and ask it to write a blog post, it will—in seconds.
This is super impressive, but there are a couple of issues:
- Everyone else using ChatGPT is creating the same content. It’s the same for users of other GPT-powered AI writing tools, too—which is basically all of them.
- The content is extremely dull. Sure, you can ask ChatGPT to “make it more entertaining,” but it usually overcompensates and hands back a cringe version of the same boring content.
In the words of Gael Breton:
How to take advantage of this SEO trend
Don’t use AI to write entire articles. They’ll be boring as heck. Instead, use it as a creative sparring partner to help you write better content and automate monotonous tasks.
For example, you can ask ChatGPT To write an outline from a working title and a list of keywords (which you can pull from Ahrefs)—and it does a pretty decent job.
Prompt:
Create an outline for a post entitled “[working title]” based on these keywords: [list]
Result:


When you’ve written your draft, you can ask to polish it in seconds by asking ChatGPT to proofread it.


Then you can automate the boring stuff, like creating more enticing title tags…


… and writing a meta description:


If you notice a few months down the line that your content ranks well but hasn’t won the featured snippet, ChatGPT can help with that, too.
For example, Ahrefs tells us we rank in position 3 for “affiliate marketing” but don’t own the snippet.


If we check Google, the snippet is a definition. Asking ChatGPT to simplify our definition may solve this problem.


In short, there are a near-infinite number of ways to use ChatGPT (and other AI writing tools) to create better content. And all of them buck the trend of asking it to write boring, boilerplate articles from scratch.
Programmatic SEO refers to the creation of keyword-targeted pages in an automatic (or near automatic) way.
Nomadlist’s location pages are a perfect example:


Each page focuses on a specific city and shares the same core information—internet speeds, cost, temperature, etc. All of this information is pulled programmatically from a database and the site gets an estimated 46k monthly search visits in total.


Programmatic SEO is nothing new. It’s been around forever. It’s just the hot thing right now because AI tools like ChatGPT make it easier and more accessible than ever before.
The problem? As John Mueller pointed out on Twitter X, much of it is spam:
I love fire, but also programmatic SEO is often a fancy banner for spam.
— I am John – ⭐ Say no to cookies – biscuits only ⭐ (@JohnMu) July 25, 2023
How to take advantage of this SEO trend
Don’t use programmatic SEO to publish insane amounts of spam that’ll probably get hit in the next Google update. Use it to scale valuable content that will stand the test of time.
For example, Wise’s currency conversion pages currently get an estimated 31.7M monthly search visits:


This is because the content is actually useful. Each page features an interactive tool showing the live exchange rate for any amount…


… the exchange rate over time…


… a handy email notification option when the exchange rates exceed a certain amount…


… handy conversion charts for popular amounts…


… and a comparison of the cheapest ways to send money abroad in your chosen currency:


It doesn’t matter that all of these pages use the same template. The data is exactly what you want to see when you search [currency 1] to [currency 2]
.
That’s probably why Wise ranks in the top 10 for over 66,000 of these keywords:


Looking to take advantage of programmatic content in 2024 like Wise? Check out the guide below.
People love ChatGPT because it answers questions fast and succinctly, so it’s no surprise that generative AI is already making its way into search.
For example, if you ask Bing for a definition or how to do something basic, AI will generate an answer on the fly right there in the search results.




In other words, thanks to AI, users no longer have to click on a search result for answers to simple questions. It’s like featured snippets on steroids.
This might not be a huge deal right now, but when Google’s version of this (Search Generative Experience) comes out of beta, many websites will see clicks fall off a cliff.
How to take advantage of this SEO trend
Don’t invest too much in topics that generative AI can easily answer. You’ll only lose clicks like crazy to AI in the long run. Instead, start prioritizing topics that AI will struggle to answer.
How do you know which topics it will struggle to answer? Try asking ChatGPT. If it gives a good and concise answer, it’s clearly an easy question.
For example, there are hundreds of searches for how to calculate a percentage in Google Sheets every month in the US:


If you ask ChatGPT for the solution, it gives you a perfect answer in about fifty words.


This is the perfect example of a topic where generative AI will remove the need to click on a search result for many.
That’s probably not going to be the case for a topic like this:


Sure. Generative AI might be able to tell you how to create a template—but it can’t make one for you. And even if it can in the future, it will never be a personal finance expert with experience. You’ll always have to click on a search result for a template created by that person.
These are the kinds of topics to prioritize in 2024 and beyond.
Sidenote.
None of this means you should stop targeting “simple” topics altogether. You’ll always be able to get some traffic from them. My point is not to be obsessed with ranking for keywords whose days are numbered. Prioritize topics with long-term value instead.
Bonus: 3 SEO trends to ignore in 2024
Not all SEO trends move the needle. Here are just a few of those trends and why you should ignore them.
People are using voice search more than ever
In 2014, Google revealed that 41% of Americans use voice search daily. According to research by UpCity, that number was up to 50% as of 2022. I haven’t seen any data for 2023 yet, but I’d imagine it’s above 50%.
Why you should ignore this SEO trend
75% of voice search results come from a page ranking in the top 3, and 40.7% come from a featured snippet. If you’re already optimizing for those things, there’s not much more you can do.
People are using visual search for shopping more than ever
In 2022, Insider Intelligence reported that 22% of US adults have shopped with visual search (Google Lens, Bing Visual Search, etc.). That number is up from just 15% in 2021.
Why you should ignore this SEO trend
Much like voice search, there’s no real way to optimize for visual search. Sure, it helps to have good quality product images, optimized filenames and alt text, and product schema markup on your pages—but you should be doing this stuff anyway as it’s been a best practice since forever.
People are using Bing more than ever before
Bing’s Yusuf Mehdi announced in March 2023 that the search engine had surpassed 100M daily active users for the first time ever. This came just one month after the launch of AI-powered Bing.
Why you should ignore this SEO trend
Bing might be more popular than ever, but its market share still only stands at around ~3% according to estimates by Statcounter. Google’s market share stands at roughly 92%, so that’s the one you should be optimizing for.
Plus, it’s often the case that if you rank in Google, you also rank in Bing—so it really doesn’t deserve any focus.
Final thoughts
Keeping your finger on the pulse and taking advantage of trends makes sense, but don’t let them distract you from the boring stuff that’s always worked: find what people are searching for > create content about it > build backlinks > repeat.
Got questions? Ping me on Twitter X.
SEO
Mozilla VPN Security Risks Discovered

Mozilla published the results of a recent third-party security audit of its VPN services as part of it’s commitment to user privacy and security. The survey revealed security issues which were presented to Mozilla to be addressed with fixes to ensure user privacy and security.
Many search marketers use VPNs during the course of their business especially when using a Wi-Fi connection in order to protect sensitive data, so the trustworthiness of a VNP is essential.
Mozilla VPN
A Virtual Private Network (VPN), is a service that hides (encrypts) a user’s Internet traffic so that no third party (like an ISP) can snoop and see what sites a user is visiting.
VPNs also add a layer of security from malicious activities such as session hijacking which can give an attacker full access to the websites a user is visiting.
There is a high expectation from users that the VPN will protect their privacy when they are browsing on the Internet.
Mozilla thus employs the services of a third party to conduct a security audit to make sure their VPN is thoroughly locked down.
Security Risks Discovered
The audit revealed vulnerabilities of medium or higher severity, ranging from Denial of Service (DoS). risks to keychain access leaks (related to encryption) and the lack of access controls.
Cure53, the third party security firm, discovered and addressed several risks. Among the issues were potential VPN leaks to the vulnerability of a rogue extension that disabled the VPN.
The scope of the audit encompassed the following products:
- Mozilla VPN Qt6 App for macOS
- Mozilla VPN Qt6 App for Linux
- Mozilla VPN Qt6 App for Windows
- Mozilla VPN Qt6 App for iOS
- Mozilla VPN Qt6 App for Androi
These are the risks identified by the security audit:
- FVP-03-003: DoS via serialized intent
- FVP-03-008: Keychain access level leaks WG private key to iCloud
- VP-03-010: VPN leak via captive portal detection
- FVP-03-011: Lack of local TCP server access controls
- FVP-03-012: Rogue extension can disable VPN using mozillavpnnp (High)
The rogue extension issue was rated as high severity. Each risk was subsequently addressed by Mozilla.
Mozilla presented the results of the security audit as part of their commitment to transparency and to maintain the trust and security of their users. Conducting a third party security audit is a best practice for a VPN provider that helps assure that the VPN is trustworthy and reliable.
Read Mozilla’s announcement:
Mozilla VPN Security Audit 2023
Featured Image by Shutterstock/Meilun
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