<sub>& <sup>tags, any SEO issues?</sup></sub>
-
Hi - the content on our corporate website is pretty technical, and we include chemical element codes in the text that users would search on (like S02, C02, etc.) A lot of times our engineers request that we list the codes correctly, with a <sub>on the last number. Question - does adding this code into the keyword affect SEO? The code would look like SO<sub>2</sub>.</sub>
Thanks.
-
Hi Jenny
jStrong is correct. Subscript (<sub>) and superscript (<sup>) tags are not going to have any effect (positive or negative) on SEO.</sup></sub>
-
Hi Jenny,
I don't think these tags would have any affect on the SEO. They are formatting tags the same as _or _that only affect the styling of the text they surround and it is unlikely that when crawled they are treated as anything but that. __
Got a burning SEO question?
Subscribe to Moz Pro to gain full access to Q&A, answer questions, and ask your own.
Browse Questions
Explore more categories
-
Moz Tools
Chat with the community about the Moz tools.
-
SEO Tactics
Discuss the SEO process with fellow marketers
-
Community
Discuss industry events, jobs, and news!
-
Digital Marketing
Chat about tactics outside of SEO
-
Research & Trends
Dive into research and trends in the search industry.
-
Support
Connect on product support and feature requests.
Related Questions
-
Does Squarespace still have issues with adding Schema through Tag Manager?
I see in a forum posting from 2016 that Squarespace had issues with adding custom code via body tags, and am trying to troubleshoot some schema I've added via GTM using JSON-LD and Yoast's converter tool to a Squarespace website. Is the general consensus to still add JSON-LD script directly into the head? And if so, where?
Technical SEO | | ogiovetti1 -
From: http://www. to https://
Hi all, I am changing my hosting for legal and SEO reasons from http://www to https:// . Now I hear different stories on the redirects: 1: should i try and change my backlinks? 2: internally all links will be 301 redirected at first. Than I want to (manually) change them. It;s within Wordpress so there should be a plugin for this. Tips? 3: Will it affect my rankings and for what period? What I now know that at first it will drop little but eventually you will rank higher than before. Thanks so much in advance! Tymen
Technical SEO | | Tymen1 -
Custom hreflang tags in WP & using with Yoast
Hi My clients dev has added custom fields for adding hreflang tags to head of pages such as: "Rel Type", "The URL", and "Language Code" Am i right in thinking that until a different language/country version of the site is created these can remain empty or should they still be populated once added say with some sort of global reference or best left blank since will leave the head content global by default ? Also how important is it to add charset to the language code ? since seems optional ? Also this set up is on WP multi-site with Yoast and devs asked me the below: _One thing to note is that Yoast generates its own "canonical" tags - so if _
Technical SEO | | Dan-Lawrence
_you are going to use hreflang tags and canonical tags then you don't need to _
_add a canonical using the custom fields I have set up - Yoast has that _
sorted. _But if you are going down the route of NOT having any canonical tags - and _
_using a x-defult for the hreflang tags, I will need to try and suppress the _
_Yoast canonical tag so you can do this. Much depends on your approach and _
what you think is best. So how do i know if using canonicals or x-default, i take it best simplest to leverage Yoast and hence not add canonicals to custom fields ? Isnt x-default just for indicating language selectors/redirector not specific to 1 region? So long as havnt got those then good to proceed with Yoasts generated canonicals ? Cheers dan0 -
Is it necessary to 301 rewrite /index.php to /?
Hi, We have build a lot of external link to http://www.oursite.com/ Do I have to do a 301 redirect from http://www.oursite.com/index.php to http://www.outsite.com/? Thanks
Technical SEO | | LauraHT0 -
Is it needed to use http:// or not?
Hi, When doing link building and getting my URL to other websites, is it necessary that the other websites include http:// before the domain? Example: I want to increase the number of links to my site www.example.com . When I ask other websites to add a link to my site, should I ask them to use http://www.example.com or is www.example.com enough (without http://)? Or it really does not matter? Thanks in advance, Sam
Technical SEO | | Awaraman0 -
Yoast SEO Plugin and Theme Conflict - Meta Tags
I have installed yoast seo plugin and a theme that I purchased.
Technical SEO | | vivadata
I have added site title and meta description for the index page through yoast seo plugin see here http://screencast.com/t/AdjMynym8Tm however this does not work as can be seen on the test site
http://importingtips.com/test/ does anyone have any advice? Thanks0 -
How to prevent duplicat content issue and indexing sub domain [ CDN sub domain]?
Hello! I wish to use CDN server to optimize my page loading time ( MaxCDN). I have to use a custom CDN sub domain to use these services. If I added a sub domain, then my blog has two URL (http://www.example.com and http://cdn.example.com) for the same content. I have more than 450 blog posts. I think it will cause duplicate content issues. In this situation, what is the best method (rel=canonical or no-indexing) to prevent duplicate content issue and prevent indexing sub domain? And take the optimum service of the CDN. Thanks!
Technical SEO | | Godad0 -
SEO-MOZ bar question on root vs subdomain / canonicalization issues
When I look at the SEO-MOZ bar for our site and click next to subdomain (# links from #domains) it shows my main incoming links etc. but when I click on root domain ity shows mydomain/default.asp and 4 incoming links as well as a message that says this url redirects to another url. Does this imply canonicalization issues or is there a 301 redirect to my non /default.asp correcting this issue. Thanks kindly, Howard
Technical SEO | | mrkingsley0