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.
How to safely reduce the number of 301 redirects / should we be adding so many?
-
Hi All,
We lost a lot of good rankings over the weekend with no obvious cause. Our top keyword went from p3 to p12, for example.
Site speed is pretty bad (slower than 92% of sites!) but it has always been pretty bad. I'm on to the dev team to try and crunch this (beyond image optimisation) but I know that something I can effect is the number of 301 redirects we have in place.
We have hundreds of 301s because we've been, perhaps incorrectly, adding one every time we find a new crawl error in GWT and it isn't because of a broken link on our site or on an external site where we can't track down the webmaster to fix the link. Is this bad practice, and should we just ignore 404s caused by external broken URLs?
If we wanted to reduce these numbers, should we think about removing ones that are only in place due to external broken URLs?
Any other tips for safely reducing the number of 301s?
Thanks, all!
Chris
-
Really helpful. Thanks very much, Sha. Much appreciated!
-
Hi again Chris,
OK, well that makes it interesting!
First, if the list of 301's in your .htaccess file numbers in the hundreds, then there is definitely cause for concern about the effect it might be having on your load times.
The .htaccess file is read from top to bottom until a rule is matched. The first one that is matched will be used and no rule after that will be checked. Obviously, if there are hundreds of rules to check, this can cause processing bottlenecks.
Now there are some things you might be able to do to alleviate the problem IF you have the right conditions.
-
If your rebuild involved the relocation of an entire directory or directories which still contain the same pages as before, you can write a 301 Redirect for all pages in a directory with a single line of code
-
If there is a database behind your site and you have some means of matching pages from the old URL to the new (for example, is there a unique product ID for each page?) then you can use database lookups to write the redirects on the fly. This will eliminate the processing bottlenecks, but can only work if you have a reliable means of matching the pages.
-
If you have only one competition or offer at a time, then you could use database lookups to match any page with say, "competition" in the URL and 301 it to the current competition page (and the same with "offer").
-
For unknown links from external sites you can use a "catch-all" 301 to catch any other page that returns a 404 and send it to a single page (you put this rule at the very end of your .htaccess so it is the last to be matched). You could send these all to home, a generally relevant landing or category page, or a specially designed 404 page. The most important thing is that the page you redirect them to is as relevant as possible, or provides options that may keep the visitor on your site (search, menus etc). I prefer not to send these "random" 404's to home as they are likely to bring an increase in bounce rate. Since bounce is now acknowledged as a ranking factor, I prefer to keep any traffic with a higher probability of bouncing away from pages with the highest Page Authority (PA).
Hope that helps,
Sha
-
-
Yeah, that seems to be the consensus - thanks, Aaron!
Back to the drawing board diagnosing this drop - avg rank over our top 200 keywords has gone from 80-something to 120-something. Not good at all!
Chris
-
Hi Sha,
A combination of things, really. We rebuilt and got rid of a load of legacy pages so there's a few for that reason. We also have a lot of time-limited pages like competitions and special offers that require specific landing pages. The majority are caused by broken links on external sites though - links that never existed, or that have been crawled and added to an autogenerated page incorrectly. The usual nonsense.
So, in brief, there isn't really one cause!
Many thanks for your reply.
Chris
-
In general, 301 aren't bad unless you have a whole string of them. For instance if a 301 redirected to another 301, then another, etc... If 301's are shallow they usually do not present a problem.
-
Hi BaseKit,
What is the reason for there being so many 404's?
Did you move your site or rebuild your site structure? Do you have a lot of pages that are removed after a short time?
The answer to these questions will help to know what is the best approach for your situation.
Sha
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
-
301 redirect not working
Hi there! I have recently moved a domain that has been indexed by google and setup redirects so that it forwards to the new domain. It seems like the only redirect that actually is working is the canonical and main domain but every other page and or page nested within a folder are not working. Here is an example of some of the redirects. Am I doing this wrong? It seems to be going to the new domain but can't find the actual pages.... RewriteEngine On
Technical SEO | | twotd
RewriteBase /
RewriteCond %{HTTP_HOST} !agoodsweep.com$ [NC]
RewriteRule ^(.*)$ http://agoodsweep.com/$1 [L,R=301]
redirect 301 woodstoveservicerepair.html http://agoodsweep.com/woodstoveservicerepair/
redirect 301 /westchesterchimney.html http://agoodsweep.com/west-chester-chimney/ Thanks in advance for any help!!0 -
Wordpress categories causing too many links/duplicate content?
I've just added categories to my wordpress site and some of the posts show in several of the categories. Will this cause me duplicate content problems as I want the category pages to be indexed? Also as I add more categories I'm creating more links on the page. They can't be seen to the user as I have a plugin that creates drop down categories. When I go to 'view source' though all the links are there so google will see lots of links. How can I fix the too many links problem? And should I worry about duplicate content issue?
Technical SEO | | SamCUK1 -
Can you do a 301 redirect without a hosting account?
Trying to retire domain1 and 301 it to domain2 - just don't want to get stuck having to pay the old hosting provider simply to serve a .htaccess file with the redirect rule.
Technical SEO | | TitanDigital0 -
A script to automatically write 301 redirect rules to htaccess?
I was wondering if anyone could help provide some resources on how to automatically write 301 redirect rules to htaccess. Allow me to explain... I'm building a new website and the primary users are businesses. They have their own profile pages on the site. The URL is based off of their Company Name. In the event that they decided to change their name... reasons being, perhaps they mispelled it the first time, or they're removing LLC or adding Inc, I want to also change the URL and redirect the old URL to the new URL. Since the URL is based off of their Company Name, making a change to the company name would make a change to the URL. I know it doesn't have to work this way, but for our purpose this works best. In case the old URL had any links to it, I wanted to see if there was an way to automatically update an htaccess file with a 301 redirect from the old URL to the new one. Could anyone point me in the right direction of how to do this? Perhaps a sample script. I've done a lot of searches on Google and can't seem to find anything. e.g. Original:
Technical SEO | | bimmer540
Name: XYZ Widgets
URL: website.com/xyz-widgets New - business changes their company name in their profile:
Name: XYZ Widgets, Inc.
URL: website.com/xyz-widgets-inc Upon the user saving the changes in their profile, I'd like to write a 301 redirect to an htaccess file:
Redirect 301 /xyz-widgets http://www.website.com/xyz-widgets-inc I know how to manually write redirects and I've got a pretty smart web developer. We've just never triggered a script to automatically write to an htaccess file before. Is this possible? Any resources are appreciated. Any security risks? Thanks!0 -
Index.php and 301 redirect with Joomla
Hi, I'm running Joomla 1.7 with SEF on and I'm trying to do a htaccess redirect which fails. I have approximately 100 in effect so far and all working fine, but I have one snag. Index.php is not working as I need it to when it's redirected to www.myurl.com/ If I turn on index.php redirect to root using this code #index.php to root
Technical SEO | | NaescentAdam
RewriteCond %{HTTP_HOST} ^myurl.com$ [OR]
RewriteCond %{HTTP_HOST} ^www.myurl.com$
RewriteRule ^index.php$ "http://www.myurl.com/" [R=301,L] And then go to www.myurl.com/test.html I'm redirected to the homepage. I think this is because all pages are index.php in joomla. SEOMOZ and Google both think that index.php and root are duplicate pages. Does anyone have any advice for overcoming this? Thanks, Adam0 -
How long should I keep 301 redirects?
I have modified a the URL structure of a whole section of a website and used mod_rewrite 301 redirect to match the new structure. Now that was around 3 months ago and I was wondering how long should I keep this redirect for? As it is a new website I am quite sure that there are no links around with the old URL structure but still I can see the google bot trying from time to time to access the old URL structure. Shouldn't the google bot learn from this 301 redirect and not go anymore for the old URL?
Technical SEO | | socialtowards0 -
How many jumps between 301 redirects is acceptable?
For example, I have a page A that should be redirected to page D, but instead A redirects to B, B redirects to C and C redirects to D. It's something I came across and wondering if its worth the dev time to change it. Thanks!
Technical SEO | | pbrothers240 -
How best to redirect URL from expired classified ads?
We have problem because our content are classifieds. Every ad expired after one or two mounts and then ad becomes inactive and we keep his page for one mount latter like a same page but we ad a notice that ad is inactive. After that we delete the ad and his page but need to redirect that URL to search results page which contains similar ads because we don't want to lose the traffic form that pages. How is the best way to redirect ad URL? Our thinking was to redirect internal without 301 redirection because the httacces file will be very big after a while and we are thinking to try a canonicalization because we don't want engine to think that we have to much duplicate content.
Technical SEO | | Donaab0