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.
Not found errors (404) due to being hacked
-
Hi Moz Guru's
Our website was hacked a few months ago, since then we have taken various measures, last one being redesigning the website all together and removing it from a WordPress platform. So far all is going well, except that the 404 not found errors keeps coming up in Google Webmaster tools. The URLs are spam pages that were created by the virus. And these spam pages have been indexed by Google, and now we are struggling to get rid of them.
Is there any way we can deal with these 404 spam pages links? Is marking all of them as fixed in the webmaster tools - search console- crawl errors helpful in any way? Can this have a negative impact on the SEO ?
Looking forward to your answers.
Many thanks.
-
I have a new client and just discovered on Open Site Explorer hundreds of links to ghost pages. The anchor text is stuff like Criminal Background Checks Las Vegas or Find Missing Persons.
I am not the webmaster. What advice should I give him?
Julie
-
Green Stone,
Thank you for your reply. At the moment we are manually trying to remove the links by using "Remove outdated content" tool whilst also creating a list of spammy links that might backlink to those spam pages we are removing, that were created by the virus.
Thank you.
-
Monica,
Sounds like you guys have taken the necessary steps to clean up the website and prevent it from occurring again. 404 spam links are a pain, that can often take some time to be removed from google's index all-together.
- A way to speed up the process is by changing the 404 status of these pages, and having it return a "410" error instead. This tells google it is a permanent non-existent page, and thus it will fall out of the index more quickly than a regular 404.
- In the meantime, if the number of 404 errors aren't overwhelming, you could try the "remove urls" tool within search console for these pages, which will temporarily remove them from the index all together. (emphasis on temporary)
- Marking them as fixed wouldn't be helpful, as the errors still exist, and would return to your search console not long after. (it certainly wouldn't harm your SEO, it just wouldn't be very helpful in this specific instance).
Hope that helps.
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
-
My last site crawl shows over 700 404 errors all with void(0 added to the ends of my posts/pages.
Hello, My last site crawl shows over 700 404 errors all with void(0 added to the ends of my posts/pages. I have contacted my theme company but not sure what could have done this. Any ideas? The original posts/pages are still correct and working it just looks like it did duplicates and added void(0 to the end of each post/page. Questions: There is no way to undo this correct? Do I have to do a redirect on each of these? Will this hurt my rankings and domain authority? Any suggestions would be appreciated. Thanks, Wade
Intermediate & Advanced SEO | | neverenoughmusic.com0 -
Forwarded vanity domains, suddenly resolving to 404 with appended URL's ending in random 5 characters
We have several vanity domains that forward to various pages on our primary domain.
Intermediate & Advanced SEO | | SS.Digital
e.g. www.vanity.com (301)--> www.mydomain.com/sub-page (200) These forwards have been in place for months or even years and have worked fine. As of yesterday, we have seen the following problem. We have made no changes in the forwarding settings. Now, inconsistently, they sometimes resolve and sometimes they do not. When we load the vanity URL with Chrome Dev Tools (Network Pane) open, it shows the following redirect chains, where xxxxx represents a random 5 character string of lower and upper case letters. (e.g. VGuTD) EXAMPLE:
www.vanity.com (302, Found) -->
www.vanity.com/xxxxx (302, Found) -->
www.vanity.com/xxxxx (302, Found) -->
www.vanity.com/xxxxx/xxxxx (302, Found) -->
www.mydomain.com/sub-page/xxxxx (404, Not Found) This is just one example, the amount of redirects, vary wildly. Sometimes there is only 1 redirect, sometimes there are as many as 5. Sometimes the request will ultimately resolve on the correct mydomain.com/sub-page, but usually it does not (as in the example above). We have cross-checked across every browser, device, private/non-private, cookies cleared, on and off of our network etc... This leads us to believe that it is not at the device or host level. Our Registrar is Godaddy. They have not encountered this issue before, and have no idea what this 5 character string is from. I tend to believe them because per our analytics, we have determined that this problem only started yesterday. Our primary question is, has anybody else encountered this problem either in the last couple days, or at any time in the past? We have come up with a solution that works to alleviate the problem, but to implement it across hundreds of vanity domains will take us an inordinate amount of time. Really hoping to fix the cause of the problem instead of just treating the symptom.0 -
Hacked website - Dealing with 301 redirects and a large .htaccess file
One of my client's websites was recently hacked and I've been dealing with the after effects of it. The website is now clean of malware and I already appealed to Google about the malware issue. The current issue I have is dealing with the 20, 000+ crawl errors which are garbage links that were created from the hacking. How does one go about dealing with all the 301 redirects I need to create for all the 404 crawl errors? I'm already noticing an increased load time on the website due to having a rather large .htaccess file with a couple thousand 301 redirects done already which I fear will result in my client's website performance and SEO performance taking a hit as well.
Intermediate & Advanced SEO | | FPK0 -
My site shows 503 error to Google bot, but can see the site fine. Not indexing in Google. Help
Hi, This site is not indexed on Google at all. http://www.thethreehorseshoespub.co.uk Looking into it, it seems to be giving a 503 error to the google bot. I can see the site I have checked source code Checked robots Did have a sitemap param. but removed it for testing GWMT is showing 'unreachable' if I submit a site map or fetch Any ideas on how to remove this error? Many thanks in advance
Intermediate & Advanced SEO | | SolveWebMedia0 -
Chinese Sites Linking With Bizarre Keywords Creating 404's
Just ran a link profile, and have noticed for the first time many spammy Chinese sites linking to my site with spammy keywords such as "Buy Nike" or "Get Viagra". Making matters worse, they're linking to pages that are creating 404's. Can anybody explain what's going on, and what I can do?
Intermediate & Advanced SEO | | alrockn0 -
Can an incorrect 301 redirect or .htaccess code cause 500 errors?
Google Webmaster Tools is showing the following message: _Googlebot couldn't access the contents of this URL because the server had an internal error when trying to process the request. These errors tend to be with the server itself, not with the request. _ Before I contact the person who manages the server and hosting (essentially asking if the error is on his end) is there a chance I could have created an issue with an incorrect 301 redirect or other code added to .htaccess incorrectly? Here is the 301 redirect code I am using in .htaccess: RewriteEngine On RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /([^/.]+/)*(index.html|default.asp)\ HTTP/ RewriteRule ^(([^/.]+/)*)(index|default) http://www.example.com/$1 [R=301,L] RewriteCond %{HTTP_HOST} !^(www.example.com)?$ [NC] RewriteRule (.*) http://www.example.com/$1 [R=301,L] Could adding the following code after that in the .htaccess potentially cause any issues? BEGIN EXPIRES <ifmodule mod_expires.c="">ExpiresActive On
Intermediate & Advanced SEO | | kimmiedawn
ExpiresDefault "access plus 10 days"
ExpiresByType text/css "access plus 1 week"
ExpiresByType text/plain "access plus 1 month"
ExpiresByType image/gif "access plus 1 month"
ExpiresByType image/png "access plus 1 month"
ExpiresByType image/jpeg "access plus 1 month"
ExpiresByType application/x-javascript "access plus 1 month"
ExpiresByType application/javascript "access plus 1 week"
ExpiresByType application/x-icon "access plus 1 year"</ifmodule> END EXPIRES (Edit) I'd like to add that there is a Wordpress blog on the site too at www.example.com/blog with the following code in it's .htaccess: BEGIN WordPress <ifmodule mod_rewrite.c="">RewriteEngine On
RewriteBase /blog/
RewriteRule ^index.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /blog/index.php [L]</ifmodule> END WordPress Thanks0 -
Do 404 pages pass link juice? And best practices...
Last year Google said bad links to 404 pages wouldn't hurt your site. Could that still be the case in light of recent Google updates to try and combat spammy links and negative SEO? Can links to 404 pages benefit a website and pass link juice? I'd assume at the very least that any link juice will pass through links FROM the 404 page? Many websites have great 404 pages that get linked to: http://www.opensiteexplorer.org/links?site=http%3A%2F%2Fretardzone.com%2F404 - that was the first of four I checked from the "60 Really Cool...404 Pages" that actually returned the 404 HTTP Status! So apologies if you find the word 'retard' offensive. According to Open Site Explorer it has a decent Page Authority and number of backlinks - but it doesn't show in Google's SERPs. I'd never do it, but if you have a particularly well-linked to 404 page, is there an argument for giving it 200 OK Status? Finally, what are the best practices regarding 404s and address bar links? For example, if
Intermediate & Advanced SEO | | Alex-Harford
www.examplesite.com/3rwdfs returns a 404 error, should I make that redirect to
www.examplesite.com/404 or leave it as is? Redirecting to www.examplesite.com/404 might not be user-friendly as people won't be able to correct the URL in the address bar. But if I have a great 404 page that people link to, I don't want links going to loads of random pages do I? Is either way considered best practice? If I did a 301 redirect I guess it would send the wrong signal to the crawlers? Should I use a 302 redirect, or even a 304 Not Modified redirect?1 -
URL Error or Penguin Penalty?
I am currently having a major panic as our website www.uksoccershop.com has been largely dropped from Google. We have not made any changes recently and I am not sure why this is happening, but having heard all sorts of horror stories of penguin update, I am fearing the worst. If you google "uksoccershop" you will see that the homepage does not rank. We previously ranked in the top 3 for "football shirts" but now we don't, although on page 2, 3 and 4 you will see one of our category pages ranking (this didn't used to happen). Some rankings are intact, but many have disappeared completely and in some cases been replaced by other pages on our site. I should point out our existing rankings have been consistently there for 5-6 years until today. I logged into webmaster tools and thankfully there is no warning message from Google about spam, etc, but what we do have is 35,000 URL errors for pages which are accessible. An example of this is: | URL: | http://www.uksoccershop.com/categories/5_295_327.html | | Error details In Sitemaps Linked from Last crawled: 6/20/12First detected: 6/15/12Googlebot couldn't access the contents of this URL because the server had an internal error when trying to process the request. These errors tend to be with the server itself, not with the request. Is it possible this is the cause of the issue (we are not currently sure why the URL's are being blocked) and if so, how severe is it and how recoverable?If that is unlikely to cause the issue, what would you recommend our next move is?All help is REALLY REALLY appreciated 🙂
Intermediate & Advanced SEO | | ukss19840