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.
External 404 vs Internal 404
-
Which one is bad?
External - when someone adds an incorrect link to your site, maybe does a typo when linking to an inner page. This page never existed on your site, google shows this as a 404 in Webmaster tools.
Internal - a page existed, google indexed it, and you deleted it and didnt add a 301.
Internal ones are in the webmaster's control, and i can understand if google gets upset if it sees a 404 for a URL that existed before, however surely "externally created" 404 shoudnt cause any harm cause that page never existed. And someone has inserted an incorrect link to your site.
-
What exactly do you mean by "bad?"
They are both undesired. You certainly won't be penalized for having a 404 specifically, but you may see a decrease in ranking if it affects your site structure or if the pages you lost were passing along page authority to other pages.
You should do everything you can to limit both. Both are equally bad.
Let me know if I understood the question correctly. Cheers!
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
-
Absolute vs. Relative Canonical Links
Hi Moz Community, I have a client using relative links for their canonicals (vs. absolute) Google appears to be following this just fine, but bing, etc. are still sending organic traffic to the non-canonical links. It's a drupal setup. Anyone have advice? Should I recommend that all canonical links be absolute? They are strapped for resources, so this would be a PITA if it won't make a difference. Thanks
Intermediate & Advanced SEO | | SimpleSearch1 -
Rankings rise after improving internal linking - then drop again
I'm working on a large scale publishing site. I can increase search rankings almost immediately by improving internal linking to targeted pages, sometimes by 40 positions but after a day or two these same rankings drop down again, not always as low as before but significantly lower than their highest position. My theory is that the uplift generated by the internal linking is subsequently mitigated by other algorithmic factors relating to content quality or site performance or is this unlikely? Does anyone else have experience of this phenomenon or any theories?
Intermediate & Advanced SEO | | hjsand1 -
Two websites vs each other owned by same company
My client owns a brand and came to me with two ecommerce websites. One website sells his specific brand product and the other sells general products in his niche (including his branded product). Question is my client wants to rank each website for basically the same set of keywords. We have two choices I'd like feedback on- Choice 1 is to rank both websites for same keyword groupings so even if they are both on page 1 of the serps then they take up more real estate and share of voice. are there any negative possibilities here? Choice 2 is to recommend a shift in the position of the general industry website to bring it further away from the industry niche by focusing on different keywords so they don't compete with each other in the serps. I'm for choice 1, what about you?
Intermediate & Advanced SEO | | Rich_Coffman0 -
When should you 410 pages instead of 404
Hi All, We have approx 6,000 - 404 pages. These are for categories etc we don't do anymore and there is not near replacement etc so basically no reason or benefit to have them at all. I can see in GWT , these are still being crawled/found and therefore taking up crawler bandwidth. Our SEO agency said we should 410 these pages?.. I am wondering what the difference is and how google treats them differently ?. Do anyone know When should you 410 pages instead of 404 ? thanks Pete
Intermediate & Advanced SEO | | PeteC120 -
Internal Links - Dofollow or Nofollow and why?
Hey there Mozzers, I am a question about internal links. If I am writing a article about something and want to link to another one of my articles inside my blog, do i have to make that link nofollow or dofollow? If possible tell me why also. Thanks in advance
Intermediate & Advanced SEO | | Angelos_Savvaidis0 -
Hreflang in vs. sitemap?
Hi all, I decided to identify alternate language pages of my site via sitemap to save our development team some time. I also like the idea of having leaner markup. However, my site has many alternate language and country page variations, so after creating a sitemap that includes mostly tier 1 and tier 2 level URLs, i now have a sitemap file that's 17mb. I did a couple google searches to see is sitemap file size can ever be an issue and found a discussion or two that suggested keeping the size small and a really old article that recommended keeping it < 10mb. Does the sitemap file size matter? GWT has verified the sitemap and appears to be indexing the URLs fine. Are there any particular benefits to specifying alternate versions of a URL in vs. sitemap? Thanks, -Eugene
Intermediate & Advanced SEO | | eugene_bgb0 -
Lowercase VS. Uppercase Canonical tags?
Hi MOZ, I was hoping that someone could help shed some light on an issue I'm having with URL structure and the canonical tag. The company I work for is a distributor of electrical products and our E-commerce site is structured so that our URL's (specifically, our product detail page URL's) include a portion (the part #) that is all uppercase (e.g: buy/OEL-Worldwide-Industries/AFW-PG-10-10). The issue is that we have just recently included a canonical tag in all of our product detail pages and the programmer that worked on this project has every canonical tag in lowercase instead of uppercase. Now, in GWT, I'm seeing over 20,000-25,000 "duplicate title tags" or "duplicate descriptions". Is this an issue? Could this issue be resolved by simply changing the canonical tag to reflect the uppercase URL's? I'm not too well versed in canonical tags and would love a little insight. Thanks!
Intermediate & Advanced SEO | | GalcoIndustrial0 -
When to Use Schema vs. Facebook Open Graph?
I have a client who for regulatory reasons cannot engage in any social media: no Twitter, Facebook, or Google+ accounts. No social sharing buttons allowed on the site. The industry is medical devices. We are in the process of redesigning their site, and would like to include structured markup wherever possible. For example, there are lots of schema types under MedicalEntity: http://schema.org/MedicalEntity Given their lack of social media (and no plans to ever use it), does it make sense to incorporate OG tags at all? Or should we stick exclusively to the schemas documented on schema.org?
Intermediate & Advanced SEO | | Allie_Williams0