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Google will keep in secret the number of search quality algorithms Oct 08 How many search quality algorithms does Google use? This question was put to the John Mueller, the company’s employee during the last video conference with webmasters. The question was: "When you mention Google's quality algorithm, how many algorithms do you use?" Mueller responded the following: "Usually we do not talk about how many algorithms we use. We publicly state that we have 200 factors when it comes to scanning, indexing and ranking. Generally, the number of algorithms is a casual number. For instance, one algorithm can be used to display a letter on the search results page. Therefore, we believe that counting the exact number of algorithms that Google uses is not something that is really useful [for optimizers]. From this point of view, I can’t tell you how many algorithms are involved in Google search."

Gary Illyes shares his point of view on how important referential audit is Oct 08 At the Brighton SEO event that took place last week, Google rep called Gary Illyes shared his opinion about the importance of auditing the website's link profile. This information was reported by Jennifer Slagg in the TheSEMPost blog. Since Google Penguin was modified into real-time update and started ignoring spam links instead of imposing sanctions on websites, this has led to a decrease of the value of auditing external links. According to Gary Illyes, auditing of links is not necessary for all websites at the present moment. "I talked to a lot of SEO specialists from big enterprises about their business and their answers differed. These companies have different opinions on the reason why they reject links. I don't think that helding too many audits makes sense, because, as you noted, we successfully ignore the links, and if we see that the links are of an organic nature, it is highly unlikely that we will apply manual sanctions to a website. In case your links are ignored by the "Penguin", there is nothing to worry about. I've got my own website, which receives about 100,000 visits a week. I have it for 4 years already and I do not have a file named Disavow. I do not even know who is referring to me. Thus, in the case when before a website owner was engaged in buying links or using other prohibited methods of link building, then conducting an audit of the reference profile and rejecting unnatural links is necessary in order to avoid future manual sanctions. It is important to remember that rejecting links can lead to a decrease in resource positions in the global search results, since many webmasters often reject links that actually help the website, rather than doing any harm to it. Therefore, referential audits are needed if there were any violations in the history of the resource. They are not necessary for many website owners and it is better to spend this time on improving the website itself, says Slagg.

Googlebot still refuses to scan HTTP/2 Oct 08 During the last video conference with webmasters Google rep called John Mueller said that Googlebot still refrains to scan HTTP. The reason is that the crawler already scans the content that fast, so the benefits that the browser receives (web pages loading time is decreased) are not that important. "No, at the moment we do not scan HTTP / 2. We are still investigating what we can do about it. In general, the difficult part is that Googlebot is not a browser, so it does not get the same speed effects that are observed within a browser when implementing HTTP / 2. We can cache data and make requests in a different way than a regular browser. Therefore, we do not see the full benefits of scanning HTTP / 2. But with more websites implementing push notification feature, Googlebot developers are on the point of adding support for HTTP in future.” It should be recalled that in April, John Mueller said that the use of the HTTP / 2 protocol on the website does not directly affect the ranking in Google, but it improves the experience of users due to faster loading speed of the pages. Therefore, if you have a change, it is recommended to move to this protocol.

Google does not check all spam reports in manual mode Oct 08 Google employee named John Mueller stated that the search team does not check all spam reports manually during the last video conference with webmasters. The question to Mueller was the following: "Some time ago we sent a report on a spam, but still have not seen any changes. Do you check each and every report manually?" The answer was: No, we do not check all spam reports manually. " Later Mueller added: "We are trying to determine which reports about spam have the greatest impact, it is on them that we focus our attention and it is their anti-spam team that checks manually, processes and, if necessary, applies manual sanctions. Most of the other reports that come to us is just information that we collect and can use to improve our algorithms in the future. At the same time, he noted that small reports about violations of one page scale are less prioritized for Google. But when this information can be applied to a number of pages, these reports become more valuable and are prior to be checked. As for the report processing time, it takes some considerable time. As Mueller explained, taking measures may take "some time", but not a day or two. It should be recalled that in, Google received about 35 thousand messages about spam from users every month. About 65% of all the reports led to manual sanctions.

Google is speeding up the mobile pages in the ranking June 17 Google is changing its approach to assessing the speed of page loading. In the near future, the ranking will take into account the speed of mobile pages and not desktop. This was reported by the Goole search representative Gary Illyes at the SMX Advanced conference. As you know, at the moment Google measures only the loading speed of the desktop pages. These data are used both in desktop ranking and mobile. However, mobile speed is more important for Google. Therefore, it was decided to make changes to the search algorithm. This approach is already under consideration. Illyes also stressed upon the fact that Google will actively inform webmasters about any changes before launching the mobile-first index. So not to make a surprise for specialists. Earlier it was reported that Google has not been planning to take into account the downloading speed for mobile pages in the ranking.

Google will no longer trust WoSign and StarCom certificates July 25 Google reports that in the coming months, it will completely stop cooperation with certificates issued by WoSign and StarCom certification centers. The change will take effect with the release of Chrome 61, which is expected in mid-September. It will affect the certificates issued before October 21,, the period of validity of which has not yet expired. Last year, Google Chrome 56 stopped trusting the certificates from WoSign and StarCom, released later October 21,. After the release of Chrome 57, the browser partially stopped trusting the old certificates. An exception was made for websites that are among the first million in the Alexa rating. From now on, all certificates from these centers will be banned. "Starting with Chrome 61, the white list will be removed, which will lead to a complete cessation of trust in the existing root certificates of WoSign and StarCom and all certificates that they have given out. Websites that still use certificates from StarCom and WoSign should urgently consider replacing them, so as to minimize any inconveniences to Chrome users," reports Google. It should be recalled Mozilla announced about freezing its cooperation with WoSign and StartCom in September. Starting with the Firefox 51 the certificates are considered to be invalid. At the same time, the support of certificates issued before October 21, is still preserved.

Google: 503 status code should not be applied for weeks June 15 Google’s spokesman John Mueller said that the server's 503 response code should be used within a few hours, but not weeks. 503 error means that the server is temporarily unable to process requests for technical reasons (this may be a maintenance, overload, etc.). This is a good method to help Google understand that the website will be unavailable for a limited period of time. However, it is not recommended to use it for longer than a few hours. According to Mueller, "weeks" does not mean temporary. He also added that the webmasters are misleading Google in this case. If it's not accessible for weeks, it would be misleading to include it in search, imo. It's an error page, essentially. - John ☆ .o (▽ ≦ ≦) o. ☆ (@JohnMu) June 8 We should remind you that John Mueller previously told how not to lose the position in the search engine, if there is a need to temporarily suspend the website (for a day or more) either due to technical maintenance or for other reasons.

Google keeps ignoring the Last-Modified meta tag Aug 14 Google still ignores the Last-Modified meta tag in the search. This was stated by the company’s employee, John Mueller providing a response to a question from one of the webmasters on Twitter. The question was: "In you said that Google does not use the http-equiv =" last-modified "tag for crawling. Is that still so? ". Mueller replied the following: Yep, we still do not use it. - John ☆ .o (≧ ▽ ≦) o. ☆ (@JohnMu) August 11 The tag was originally used to alert the crawlers that the page was updated, or to specify the date the page was last refreshed. In John Mueller made a post on the Webmaster Central Help forum in which he stated that Google does not use the Last-Modified meta tag for scanning, indexing, or ranking. This tag is also not included in the list of meta tags considered by Google. With all this, other search engines can still use it.

The Italian authorities fines WhatsApp for $ 3 million euros July 11 The Italian Antimonopoly Authority fined WhatsApp service developers for 3 million euros. This information was reported reported by Reuters. According to the agency, WhatsApp imposed conditions on the users that obliged them to agree to data transfer to Facebook parent company. In particular, they were persuaded that without agreeing on this they would not be able to continue using the service. The WhatsApp press service commented on this situation the following way: "We are considering this decision and preparing a response to the authorities." The supervisory authorities of all EU countries demanded that WhatsApp last year to suspend the transfer of Facebook data because of users’ doubts' in agreeing on the conditions. The fact that WhatsApp will open Facebook access to the user base became known in August.

How Google processes pages with the Canonical and noindex attributes Aug 14 During the last video conference with webmasters, John Mueller answered the interesting question: how does the search engine process pages that both contain the Canonical and Noindex attribute? The question to Mueller was: "I once was at a seminar where I was told that if you use rel = canonical and Noindex on a page, then Canonical will transmit the Noindex canonicalized page. Is that true?". Answer: "Hmm. I don’t know. We discussed this issue for a long time, at least inside the team. In particular, what should we do in this case. Using Canonical, you are telling that two pages should be processes identically. Noindex reports that the page that contains it must be removed from the search. Therefore theoretically our algorithms can get confused and decide that you need to delete both pages. Correct? Or they can process them in different ways, taking into account Noindex attribute. As a matter of actual practice, it is most likely that algorithms will decide that the rel = canonical attribute was added by mistake."