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 question
Hi Everyone When doing 301 redirects for a large site, if a page has 0 inbound links would you still redirect it or just leave it? Im just curious on the best practice for this Thanks in advance
Technical SEO | | TheZenAgency0 -
Site Penalized - 301 Redirect Question
Hello, We have a website that was penalized roughly two years by Google for "Unnatural Links"... We are experiencing a lot of problems with this site, completely unrelated to the penalty or SERPS, and we're debating doing a 301 Re-direct to another site we own that is totally clean and has no "Unnatural Links". If we do a 301 from the penalized site to our alternative website, will there be any cross-contamination? Will the penalty carry over to our other site? Please let me know what you guys think. Thanks
Technical SEO | | Prime850 -
How to link site.com/blog or site.com/blog/
Hello friends, I have a very basic question but I can not find the right answer... I have made my blog linkbuilding using the adress "mysite.com/blog" but now im not sure if is better to do the linkbuilding to "mysite.com**/blog/ "** Is there any diference? Thanks...
Technical SEO | | lans27870 -
301 Redirect & Linking Root Domain Count
Howdy Mozzers! If I do a 301 redirect from a domain that say has 200 linking root domains, to a fresh domain will the fresh domain now (when updated) have a linking root domain count of 200? Also, is it beneficial or detrimental to do a 301 redirect for an unrelated website i.e. garden hose website, to a children's playgorund equipment website in order to capture the link juice? Best
Technical SEO | | clickfactory0 -
Redirects 301
Hello, I need to reedirect a URL of a page that I have in my site (http://digitaldiscovery.com.pt/servicos-de-marketing-digital/publicidade-online/) to a new URL with SEO porpuses. Whats the best way to this? I use Wordpress btw. Tks in advance! PP
Technical SEO | | PedroM0 -
My home page 301 redirects - is this an SEO problem
When ever a browser calls my site canineconcepts.co.uk, it is automatically 301 redirected to canineconcepts.co.uk/en I am not sure if I should be concerned about this from an SEO perspective or not. Any thoughts?
Technical SEO | | CanineConcepts0 -
Google Confusion: Two Sites and a 301 Redirect.
Hi, We have a client who just sprang a new project on us. As always, they went ahead and did some stuff before bringing us into the loop! (oh the joy of providing SEO services!) Anyway, i'm pretty swamped right now and need some extra brains on this. Basically the client had www.examplesiteA.com online for many years (an affiliate site which had built up a strong brand in the industry). They have now decided to turn this affiliate site into a full blown service platform and so with the new site being built they 301'd the whole thing over to www.examplesiteB.com - this is where they want all the old affiliate content to be hosted. So essentially examplesiteA.com is now examplesiteB.com and a new site is being placed on examplesiteA.com - still with me? So this has all happened and a brand new website is on examplesiteA.com and the old examplesiteA is now sitting exactly as it used to, but on the examplesiteB domain. The 301 redirect has been removed and the new examplesiteA seems to have been crawled, but the homepage is not indexed. When you search for examplesiteA, examplesiteB is the top result. Now they are similar domain names and to be fair I have very little data at this point i.e. I don't know when the 301 redirect was removed and it maybe that this all fixes itself with time. How is link equity effected now that examplesiteA.com was 301 redirected to examplesiteB.com and cached in this way, but now the 301 redirect has been removed and does not exist? Would link juice have been diluted throughout the process? Obviously if we had been in on all this before anything was implemented we would have done things differently. Interested to hear what others would do coming in at this point. Thanks and look forward to the advice!
Technical SEO | | MarcLevy0 -
IIS Server Load for 500 Page Level 301 Redirects
We are migrating content from 10 sub domains to our www site. On an IIS sever, what is potential server load impact, if any, for setting up 500 plus page level redirects?
Technical SEO | | DigitalMkt0