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 check if a site is doing blackhat SEO?
-
Thanks in advance!
-
It really depends on what you define as blackhat. On-page trickery (cloaking, redirects for search engines bots, etc.) can be discovered by browsing as a search bot, digging into code, viewing caches, etc. Danny Sullivan and Rand uncovered a large amount of cloaked (and stolen) content on stage at SMX Sydney a few years ago. It was quite entertaining at the time

Some people are basic enough to use tactics like hidden, white-on-white text, as Martijn says. I'm yet to see that tactic actually working post-2004 though

If it's links they're using, the easiest way is to use a tool like Open Site Explorer, Ahrefs or similar to check the links out. Sneaky people can block the OSE / Ahrefs / MajesticSEO bots from crawling the sources of their backhat links if they have access to the linking sites. You can block the bots either in robots.txt or by rejecting the visits to stop the bots from noting that the links exist. That way, the backlink analysis tools will never see that blackhatsite.com links to rankingsite.com, and so forth. It takes a big network that the spammer controls to block link research tools' bots' access to every link you build, however, so this isn't too common.
Whether all big brands / well ranked sites are using blackhat tactics pretty much depends on your definition of blackhat, but it's certainly true that it is very hard if not impossible to rank top 3 for competitive terms (car insurance, poker, credit cards) without parting with money that results in links being built. This doesn't mean that they're all buying links, but they're definitely investing in marketing that results in links, and the whitest of the whitehats will say that this is technically not organic, natural link development. It is, however, what we do - marketing.
-
Why does it matter?
-
An even easier way is to check their rankings - if they're top 3 for big money terms in their niche, they're probably using some blackhat tactics. Even the whitest of whitehats are still using some blackhat tactics in the background, despite people not wanting to admit it.
-
I can't agree more with Gary, we probably need some more information to know what kind of black hat you're possibily dealing with. One of the first things I tend to look at trying to find out if the site is using some ways of black hat tactics are:
- Backlink profile, if the quality of links is low or certain percentages between follow/ nofollow links are different then it could be a sign.
- Look at the site with Google as a user agent and see if the site is showing different information then to a real user.
- Just do a select all on the site to see if they hide any content (yup, still happens).
-
Your question is a bit to open ended, what do you want to achieve by knowing this information.
Does a site rank better than you?
Are they doing negative seo to other people?
Do they steal content from people?Are they building links as dofollow from places they should not?Too many questions to ask before answering such a vague answer.
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
-
Should I Report A SEO Agency to Google
Our competitor has employed the services of a spammy SEO agency that sends spammy links to our site. Though our rankings were affected we have taken the necessary steps. It is possible to send evidence to Google so that they can take down the site. I want to take this action so that other sites will not be affected by them again.
White Hat / Black Hat SEO | | Halmblogmusic0 -
Does ID's in URL is good for SEO? Will SEO Submissions sites allow such urls submissions?
Example url: http://public.beta.travelyaari.com/vrl-travels-13555-online It's our sites beta URL, We are going to implement it for our site. After implementation, it will be live on travelyaari.com like this - "https://www.travelyaari.com/vrl-travels-13555-online". We have added the keywords etc in the URL "VRL Travels". But the problems is, there are multiple VRL travels available, so we made it unique with a unique id in URL - "13555". So that we can exactly get to know which VRL Travels and it is also a solution for url duplication. Also from users / SEO point of view, the url has readable texts/keywords - "vrl travels online". Can some Moz experts suggest me whether it will affect SEO performance in any manner? SEO Submissions sites will accept this URL? Meanwhile, I had tried submitting this URL to Reddit etc. It got accepted.
White Hat / Black Hat SEO | | RobinJA0 -
Does type of hosting affect SEO rankings?
Hello, I was wondering if hosting on shared, versus VPS, versus dedicated ... matter at all in terms of the rankings of Web sites ... given that all other factors would be exactly equal. I know this is a big question with many variables, but mainly I am wondering if, for example, it is more the risk of resource usage which may take a site down if too much traffic and therefore make it un-crawlable if it happens at the moment that a bot is trying to index the site (factoring out the UX of a downed site). Any and all comments are greatly appreciated! Best regards,
White Hat / Black Hat SEO | | uworlds
Mark0 -
Suspicious external links to site have 302 redirects
Hi, I have been asked to look at a site where I suspect some questionable SEO work, particularly link building. The site does seem to be performing very poorly in Google since January 2014, although there are no messages in WMT. Using WMT, OPenSiteExplorer, Majestic & NetPeak, I have analysed inbound links and found a group of links which although are listed in WMT, etc appear to 302 redirect to a directory in China (therefore the actual linking domain is not visible). It looks like a crude type of link farm, but I cant understand why they would use 302s not 301s. The domains are not visible due to redirects. Should I request a disavow or ignore? The linking domains are listed below: http://www.basalts.cn/
White Hat / Black Hat SEO | | crescentdigital
http://www.chinamarbles.com.cn/
http://www.china-slate.com.cn/
http://www.granitecountertop.com.cn/
http://www.granite-exporter.com/
http://www.sandstones.biz/
http://www.stone-2.com/
http://www.stonebuild.cn/
http://www.stonecompany.com.cn/
http://www.stonecontact.cn/
http://www.stonecrate.com/
http://www.stonedesk.com/
http://www.stonedvd.com/
http://www.stonepark.cn/
http://www.stonetool.com.cn/
http://www.stonewebsite.com/ Thanks Steve0 -
Why does expired domains still work for SEO?
Hi everyone I’ve been doing an experiment during more than 1 year to try to see if its possible to buy expired domains. I know its considered black hat, but like I said, I wanted to experiment, that is what SEO is about. What I did was to buy domains that just expired, immediately added content on a WP setup, filled it with relevant content to the expired domain and then started building links to other relevant sites from these domains.( Here is a pretty good post on how to do, and I did it in a similar way. http://searchenginewatch.com/article/2297718/How-to-Build-Links-Using-Expired-Domains ) This is nothing new and SEO:s has been doing it for along time. There is a lot of rumors around the SEO world that the domains becomes worthless after they expire. But after trying it out during more than 1 year and with about 50 different expired domains I can conclude that it DOES work, 100% of the time. Some of the domains are of course better than others, but I cannot see any signs of the expired domains or the sites i link to has been punished by Google. The sites im liking to ranks great ONLY with those links 🙂 So to the question: WHY does Google allow this? They should be able to see that a domain has been expired right? And if its expired, why dont they just “delete” all the links to that domain after the expiry date? Google is well aware of this problem so what is stopping them? Is there any one here that know how this works technically?
White Hat / Black Hat SEO | | Sir0 -
Do pingbacks in Wordpress help or harm SEO? Or neither?
Hey everyone, Just wondering, do pingbacks in Wordpress help or harm SEO? Or neither?
White Hat / Black Hat SEO | | jhinchcliffe1 -
Negative SEO - Case Studies Prove Results. De-rank your competitors
Reading these two articles made me feel sick. People are actually offering a service to de-rank a website. I could have swore I heard Matt Cutts say this was not possible, well the results are in. This really opens up a whole new can of worms for google. http://trafficplanet.com/topic/2369-case-study-negative-seo-results/ http://trafficplanet.com/topic/2372-successful-negative-seo-case-study/ This is only going to get worse as news like this will spread like wildfire. In one sense, its good these people have done this to prove it to google its just a pity they did it on real business's that rely on traffic.
White Hat / Black Hat SEO | | dean19860 -
Would linking out to a gambling/casino site, harm my site and the other sites it links out to?
I have been emailed asking if I sell links on one of my sites. The person wants to link out to slotsofvegas[dot]com or similar. Should I be concerned about linking out to this and does it reduce the link value to any of the other sites that the site links out to? Thanks, Mark
White Hat / Black Hat SEO | | Markus1111