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
-
Multiple CMS on one website / domain & SEO
For a client we would like to work with a content hub, but their website is build on a custom CMS so we are limited in our options and if we aks their web developers they ask crazy prices to help us. So now we have the idea to build the content hub with wordpress and implement it next to their current CMS. for example on www.website.com/contenthub/ . As far as i know this is technically possible and there are no negative effects regarding SEO as long as we link the two sitemaps together. Am i right or am i missing something here?
Technical SEO | | Siphoplait0 -
Best Web-site Structure/ SEO Strategy for an online travel agency?
Dear Experts! I need your help with pointing me in the right direction. So far I have found scattered tips around the Internet but it's hard to make a full picture with all these bits and pieces of information without a professional advice. My primary goal is to understand how I should build my online travel agency web-site’s (https://qualistay.com) structure, so that I target my keywords on correct pages and do not create a duplicate content. In my particular case I have very similar properties in similar locations in Tenerife. Many of them are located in the same villa or apartment complex, thus, it is very hard to come up with the unique description for each of them. Not speaking of amenities and pricing blocks, which are standard and almost identical (I don’t know if Google sees it as a duplicate content). From what I have read so far, it’s better to target archive pages rather than every single property. At the moment my archive pages are: all properties (includes all property types and locations), a page for each location (includes all property types). Does it make sense adding archive pages by property type in addition OR in stead of the location ones if I, for instance, target separate keywords like 'villas costa adeje' and 'apartments costa adeje'? At the moment, the title of the respective archive page "Properties to rent in costa adeje: villas, apartments" in principle targets both keywords... Does using the same keyword in a single property listing cannibalize archive page ranking it is linking back to? Or not, unless Google specifically identifies this as a duplicate content, which one can see in Google Search Console under HTML Improvements and/or archive page has more incoming links than a single property? If targeting only archive pages, how should I optimize them in such a way that they stay user-friendly. I have created (though, not yet fully optimized) descriptions for each archive page just below the main header. But I have them partially hidden (collapsible) using a JS in order to keep visitors’ focus on the properties. I know that Google does not rank hidden content high, at least at the moment, but since there is a new algorithm Mobile First coming up in the near future, they promise not to punish mobile sites for a collapsible content and will use mobile version to rate desktop one. Does this mean I should not worry about hidden content anymore or should I move the descirption to the bottom of the page and make it fully visible? Your feedback will be highly appreciated! Thank you! Dmitry
Technical SEO | | qualistay1 -
Staging & Development areas should be not indexable (i.e. no followed/no index in meta robots etc)
Hi I take it if theres a staging or development area on a subdomain for a site, who's content is hence usually duplicate then this should not be indexable i.e. (no-indexed & nofollowed in metarobots) ? In order to prevent dupe content probs as well as non project related people seeing work in progress or finding accidentally in search engine listings ? Also if theres no such info in meta robots is there any other way it may have been made non-indexable, or at least dupe content prob removed by canonicalising the page to the equivalent page on the live site ? In the case in question i am finding it listed in serps when i search for the staging/dev area url, so i presume this needs urgent attention ? Cheers Dan
Technical SEO | | Dan-Lawrence0 -
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 -
/~username
Hello, The utility on this site that crawls your site and highlights what it sees as potential problems reported an issue with /~username access seeing it as duplicate content i.e. mydomain.com/file.htm is the same as mydomain.com~/username/file.htm so I went to my server hosts and they disabled it using mod_userdir but GWT now gives loads of 404 errors. Have I gone about this the wrong way or was it not really a problem in the first place or have I fixed something that wasn't broken and made things worse? Thanks, Ian
Technical SEO | | jwdl0 -
Cloudflare Email Address Protecting & SEO
I have a client who uses Cloudflare to protect their email address on their website from spam and when I crawl their site looking for errors it causes it to report multiple broken links on each page. Does anyone know how this impacts SEO? Should I recommend removing Cloudflare?
Technical SEO | | farlandlee0 -
Tutorial For Moving Blogger Blog From Sub-Domain to Sub-Directory
Does anyone know where I can find a tutorial for moving a blogger.com (blogspot) blog that's currently hosted on a subdomain (i.e. blog.mysite.com) to a subdirectory (i.e. mysite.com/blog) with the current version of blogger? I'm working on transferring my blogger blogs over to wordpress, and to do so without losing link juice or traffic, this is one of the steps I have to take. There's plenty of tutorials that address moving from blogspot.mysite.com to wordpress and I've even found a few that address moving from blog.mysite.com (hosted on blogger) to a root domain mysite.com. However, I need to move from blog.mysite.com (blogger) to mysite.com/blog/ - subdirectory (wordpress). Anyone who knows how to do this or can point me in the right direction?? Thanks.
Technical SEO | | ChaseH0 -
OK to block /js/ folder using robots.txt?
I know Matt Cutts suggestions we allow bots to crawl css and javascript folders (http://www.youtube.com/watch?v=PNEipHjsEPU) But what if you have lots and lots of JS and you dont want to waste precious crawl resources? Also, as we update and improve the javascript on our site, we iterate the version number ?v=1.1... 1.2... 1.3... etc. And the legacy versions show up in Google Webmaster Tools as 404s. For example: http://www.discoverafrica.com/js/global_functions.js?v=1.1
Technical SEO | | AndreVanKets
http://www.discoverafrica.com/js/jquery.cookie.js?v=1.1
http://www.discoverafrica.com/js/global.js?v=1.2
http://www.discoverafrica.com/js/jquery.validate.min.js?v=1.1
http://www.discoverafrica.com/js/json2.js?v=1.1 Wouldn't it just be easier to prevent Googlebot from crawling the js folder altogether? Isn't that what robots.txt was made for? Just to be clear - we are NOT doing any sneaky redirects or other dodgy javascript hacks. We're just trying to power our content and UX elegantly with javascript. What do you guys say: Obey Matt? Or run the javascript gauntlet?0