Moz Q&A is closed.
After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.
<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
-
What do you do with product pages that are no longer used ? Delete/redirect to category/404 etc
We have a store with thousands of active items and thousands of sold items. Each product is unique so only one of each. All products are pinned and pushed online ... and then they sell and we have a product page for a sold item. All products are keyword researched and often can rank well for longtail keywords Would you :- 1. delete the page and let it 404 (we will get thousands) 2. See if the page has a decent PA, incoming links and traffic and if so redirect to a RELEVANT category page ? ~(again there will be thousands) 3. Re use the page for another product - for example a sold ruby ring gets replaces with ta new ruby ring and we use that same page /url for the new item. Gemma
Technical SEO | | acsilver0 -
My Homepage Won't Load if Javascript is Disabled. Is this an SEO/Indexation issue?
Hi everyone, I'm working with a client who recently had their site redesigned. I'm just going through to do an initial audit to make sure everything looks good. Part of my initial indexation audit goes through questions about how the site functions when you disable, javascript, cookies, and/or css. I use the Web Developer extension for Chrome to do this. I know, more recently, people have said that content loaded by Javascript will be indexed. I just want to make sure it's not hurting my clients SEO. http://americasinstantsigns.com/ Is it as simple as looking at Google's Cached URL? The URL is definitely being indexed and when looking at the text-only version everything appears to be in order. This may be an outdated question, but I just want to be sure! Thank you so much!
Technical SEO | | ccox10 -
Title Tag vs. H1 / H2
OK, Title tag, no problem, it's the SEO juice, appears on SERP, etc. Got it. But I'm reading up on H1 and getting conflicting bits of information ... Only use H1 once? H1 is crucial for SERP Use H1s for subheads Google almost never looks past H2 for relevance So say I've got a blog post with three sections ... do I use H1 three times (or does Google think you're playing them ...) Or do I create a "big" H1 subhead and then use H2s? Or just use all H2s because H1s are scary? 🙂 I frequently use subheads, it would seem weird to me to have one a font size bigger than another, but of course I can adjust that in settings ... Thoughts? Lisa
Technical SEO | | ChristianRubio0 -
Robots.txt to disallow /index.php/ path
Hi SEOmoz, I have a problem with my Joomla site (yeah - me too!). I get a large amount of /index.php/ urls despite using a program to handle these issues. The URLs cause indexation errors with google (404). Now, I fixed this issue once before, but the problem persist. So I thought, instead of wasting more time, couldnt I just disallow all paths containing /index.php/ ?. I don't use that extension, but would it cause me any problems from an SEO perspective? How do I disallow all index.php's? Is it a simple: Disallow: /index.php/
Technical SEO | | Mikkehl0 -
How do I fix the h1 tag?
No More Than One H1 Tag Easy fix <dl> <dt>Number of H1s</dt> <dd>2</dd> <dt>Explanation</dt> <dd>Best practices for both SEO and accessibility require only a single H1 tag. The H1 is meant to be the page's headline, and thus, multiple H1s are confusing. Consider employing H2, H3 or CSS styles to achieve the same results with text visualization.</dd> <dt>Recommendation</dt> <dd>Remove multiple instances of the H1 tag, so that only one exists on the page.</dd> <dd>I get this error yet it does not tell me how to fix it. I'm not even sure what the H1 tag is?
Technical SEO | | 678648631264
</dd> </dl>0 -
How does Google find /feed/ at the end of all pages on my site?
Hi! In Google Webmaster Tools I find *.../feed/ as a 404 page in crawl errors. The problem is that none of these pages exist and they have no inbound links (except the start page). FYI, it´s a wordpress site. Example: www.mysite.com/subpage1/feed/ www.mysite.com/subpage2/feed/ www.mysite.com/subpage3/feed/ etc Does Google search for /feed/ by default or why do I keep getting these 404´s every day?
Technical SEO | | Vivamedia0 -
DISQUS COMMENTS backlinks-good for seo? YES/NO?
DISQUS COMMENTS backlinks-good for seo? YES/NO? I have just started commenting on "powered by disquus" websites in the Disqus comments box and left a link to my website in the name field! Having googled whether Disqus comments backlinks are any good for seo purposes i have discovered that there is a 50/50 view on the subject with some people saying they are a "goldmine" for getting high PR backlinks and others saying they are a waste of time because googlebot cannot read Java. My own experience of commenting on Disqus powered websites is that wordpress blogs powered by disqus comments ARE INDEXED by GOOGLE and the "BACKLINK IS IN THE SOURCE OF THE PAGE" When i comment on normal websites using the Disqus comment system i have found that my Disqus comments ARE NOT indexed by Google and there IS NO BACKLINK in the page source! Has anybody got any views on whether Disqus comments backlinks are any good?
Technical SEO | | Freebetsuk2 -
Header Tags
Ok so I am writing different pages and the first heading is an H3 just because I wanted to it be a certain size. Then as you see the content, I have an H1 tag. Example page: http://www.oxfordmshomes.net/condos/acadia-court-Oxford-MS you can see that "Acadia First" is the first thing you see on the page and it uses an H3 element. Long story short, my hierarchy is wrong. Does this have any negative effect on my SEO efforts?
Technical SEO | | blake-766240