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John Mueller
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John Mueller

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This week's last Google Webmaster Central office hours hangout is taking place in ... 1.5 hours. Still time to get your question in & feel free to join us live!
 
Join us for a Google Webmaster Central office hours hangout :)

Add your questions to this event page, this session is open to anything webmaster related like crawling, indexing, mobile sites, internationalization, duplicate content, Sitemaps, Search Console, pagination, duplicate content, multi-lingual/multi-regional sites, etc. 

This is a Hangout on Air on Google+. It works best with a webcam + headset. You can find out more about Hangouts and how to participate at https://sites.google.com/site/webmasterhelpforum/en/office-hours 

Feel free to drop by - we welcome webmasters of all levels! If you would like to join this hangout live & in person, and haven't been able to get in recently, please leave a note here and we'll try to invite you a few minutes before we start.
This Hangout On Air is hosted by Google Webmasters. The live video broadcast will begin soon.
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English Google Webmaster Central office-hours hangout
Today, July 29, 5:00 AM
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We collected a few questions from news publishers related to HTTP to HTTPS site moves, but some of the answers are relevant to all webmasters who are considering going secure.
If you have more questions you'd like to see answered, we're listening!

Q: Should I move my site all at once to HTTPS, or bit by bit?
A: We recommend initially moving just a piece of the site to test any effects on traffic and search indexing. After that you can move the rest of your site all at once or in chunks.
When choosing the initial test section of the site, pick a section that changes less frequently and isn't significantly affected by frequent or unpredictable events.
Also keep in mind that while moving just one section is a great way to test your move, it's not necessarily representative of a whole site move when it comes to search. The more pages that you move, the more likely you'll encounter additional problems to solve. Careful planning can minimize problems.

Q: How long should I run my trial?
A: Plan for a few weeks to allow for crawling and indexing to pick up changes, plus time to monitor traffic.

Q: Even though we are starting with only a section, we plan to make the entire site available on HTTPS. To avoid indexing of the HTTPS content early, should we use redirects or rel=canonicals?
A: With redirects in place, you won't be able to test those pages from a technical point of view, so we'd recommend using rel=canonical.

Q: We reference our HTTP sitemaps in robots.txt. Should we update the robots.txt to include our new HTTPS sitemaps?
A: We recommend separate robots.txt files for HTTP and HTTPS, pointing to separate sitemap files for HTTP and HTTPS. We also recommend listing a specific URL in only one sitemap file.

Q: Which sitemap should map the section in the HTTPS trial?
A: You can create a separate sitemap just for the updated section of your site. This will enable you to track indexing of the trial section more precisely. Be sure not to duplicate these URLs in any other sitemaps, though.

Q: Are there any other specific things we need to add to the robots.txt for the HTTPS version?
A: No.

Q: Our HTTPS site redirects non-migrated pages back to HTTP. What should our sitemaps list? Should we list in our sitemaps both the HTTP and HTTPS URLs? What if in the test section the HTTP URLs redirect to HTTPS?
A: List all HTTP URLs in your HTTP sitemap, and all HTTPS URLs in your HTTPS sitemap, regardless of redirects when the user visits the page. Having pages listed in your sitemap regardless of redirects will help search engines discover the new URLs faster.

Q: If we set includeSubDomains in our HSTS header, which domains will that affect?
A: After you migrate your entire site to HTTPS, you can support HSTS preloading for extra security. To enable this, you must set the includeSubDomains directive in the HSTS header.
If the site www.example.com serves an HSTS header with includeSubdomains set, then it will apply to www.example.com and foo.www.example.com, but not example.com or foo.example.com.
Keep in mind however that HSTS adds complexity to your rollback strategy. Our recommendation is this:
1. Roll out HTTPS without HSTS first.
2. Start sending HSTS headers with a short TTL. Monitor your traffic both from users and other clients, and also dependants' performance, such as ads.
3. Slowly increase the HSTS TTL.
If HSTS doesn't affect your users and search engines negatively, you can, if you wish, ask your site to be added to the Chrome HSTS preload list (https://hstspreload.appspot.com/).

Q: We use a single Google News sitemap for our entire site. What do we do if we're migrating our site piece by piece?
A: If you want to use a Google News sitemap for the new HTTPS section, you will have to contact the News team (https://support.google.com/news/publisher/contact/update_domain) to let them know about the protocol change, and then in your HTTPS property in Search Console you can submit a new Google News sitemap (https://support.google.com/news/publisher/answer/74288) for each migrated HTTPS section of the site.

Q: Are there any specific recommendations for Google News Publisher Center (https://partnerdash.google.com/) with HTTPS migration?
A: Google News Publisher Center handles the HTTP->HTTPS moves transparently. In general you don't have to do anything from Google News perspective, unless you're also making use of News sitemaps. In that case, please get in touch with the News team and let them know about the change, https://support.google.com/news/publisher/contact/update_domain. You can also let the team know about changing sections, for example in case you're moving to HTTPS, you can specify that you're moving http://example.com/section to https://example.com/section .
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L SG's profile photo
L SG
 
After the conversion the site dropped 80%

https://pagearabic.com
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John Mueller

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The next Google Webmaster Central office hours hangout is lined up for later today.

If you'd like to join in person, make sure to add a comment to the event entry so that I can add you a few minutes before we start.
 
Join us for a Google Webmaster Central office hours hangout :)

Add your questions to this event page, this session is open to anything webmaster related like crawling, indexing, mobile sites, internationalization, duplicate content, Sitemaps, Search Console, pagination, duplicate content, multi-lingual/multi-regional sites, etc. 

This is a Hangout on Air on Google+. It works best with a webcam + headset. You can find out more about Hangouts and how to participate at https://sites.google.com/site/webmasterhelpforum/en/office-hours 

Feel free to drop by - we welcome webmasters of all levels! If you would like to join this hangout live & in person, and haven't been able to get in recently, please leave a note here and we'll try to invite you a few minutes before we start.
This Hangout On Air is hosted by Google Webmasters. The live video broadcast will begin soon.
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Preview
Live
English Google Webmaster Central office-hours hangout
Tue, July 26, 10:00 AM
Hangouts On Air - Broadcast for free

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William Rock's profile photoDavid Kutcher's profile photoChristina S's profile photoBlayzer Digital Marketing's profile photo
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Hi John, Can you add us to the Friday hangout please?
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John Mueller

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An earlier Google Webmaster Central office-hours hanout is lined up for tomorrow. If the time works for your timezone, drop in & say hi! If it's way too early to think about SEO, feel free to add your questions to the Q&A beforehand :-).
 
Join us for a Google Webmaster Central office hours hangout :)

Add your questions to this event page, this session is open to anything webmaster related like crawling, indexing, mobile sites, internationalization, duplicate content, Sitemaps, Search Console, pagination, duplicate content, multi-lingual/multi-regional sites, etc. 

This is a Hangout on Air on Google+. It works best with a webcam + headset. You can find out more about Hangouts and how to participate at https://sites.google.com/site/webmasterhelpforum/en/office-hours 

Feel free to drop by - we welcome webmasters of all levels! If you would like to join this hangout live & in person, and haven't been able to get in recently, please leave a note here and we'll try to invite you a few minutes before we start.
This Hangout On Air is hosted by Google Webmasters. The live video broadcast will begin soon.
Q&A
Preview
Live
English Google Webmaster Central office-hours hangout
Fri, July 8, 3:00 AM
Hangouts On Air - Broadcast for free

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John Mueller

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I've been using Chrome with CodeBender for most of my Arduino hacks -- works great! If you're getting started on Arduino, it's neat to be able to keep things simple, and to be able to move between devices freely (Chromebook, Macbook, or others? up to you!).

https://www.sparkfun.com/news/2133
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John Mueller

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I moved this Friday's office-hours hangout to an earlier time - hopefully this makes it easier for awesome webmasters from "down under" to jump in!

Drop a comment into the event entry if you'd like an early invite (I do a private post a few minutes before we start with the link to the hangout).
 
Join us for a Google Webmaster Central office hours hangout :)

Add your questions to this event page, this session is open to anything webmaster related like crawling, indexing, mobile sites, internationalization, duplicate content, Sitemaps, Search Console, pagination, duplicate content, multi-lingual/multi-regional sites, etc. 

This is a Hangout on Air on Google+. It works best with a webcam + headset. You can find out more about Hangouts and how to participate at https://sites.google.com/site/webmasterhelpforum/en/office-hours 

Feel free to drop by - we welcome webmasters of all levels! If you would like to join this hangout live & in person, and haven't been able to get in recently, please leave a note here and we'll try to invite you a few minutes before we start.
This Hangout On Air is hosted by Google Webmasters. The live video broadcast will begin soon.
Q&A
Preview
Live
English Google Webmaster Central office-hours hangout
Fri, July 8, 3:00 AM
Hangouts On Air - Broadcast for free

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John Mueller

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Heute Nachmittag um 13:00 geht's weiter mit dem naechsten deutschen Google Webmaster Central Sprachstunden-Hangout! Schaut doch vorbei :)
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Donnerstag gibt's hier wieder ein Google Webmaster Central Hangout auf Deutsch

Thema: Fragen könnt ihr hier auf der Event-Seite erfassen. Ich bin offen für alles Google/Webmaster-bezogene, z.B. Google’s Crawling & Indexing, Duplicate Content, Sitemaps, Search Console, Mehrsprachige & internationale Websites, usw. 

Wo: Hier auf Google+. Mehr über Hangouts findet ihr unter https://sites.google.com/site/webmasterhelpforum/en/office-hours  -- eine Webcam ist praktisch, aber nicht notwendig. 
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This Hangout On Air is hosted by Google Webmasters. The live video broadcast will begin soon.
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German / Google Webmaster Central Sprechstunden-Hangout auf Deutsch
Yesterday, July 28, 7:00 AM
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And here's something just pleasing: +Chris Hadfield talking about various bits of daily life in space, from sleeping and going to the bathroom to the games one plays. There are still wonderful things in this world. (And out of it)

Via +Paul Hosking.
Chris Hadfield recently talked to Cracked about a few of the things he learned during two space shuttle missions and five months aboard the International Space Station.
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Tons of verification emails about new owners on Google Search Console went out. It was a bug and Google's +John Mueller said do not panic about it.
This morning I woke up to dozens of reverification notices from Google Search Console for dozens of different profiles. Many of them said
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American Supps's profile photoVinesh Soam's profile photoAniah Samuel's profile photo
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Hello sir I heard of your website and I am not well understood can you help me
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John Mueller

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Google: "Today we're announcing an experiment in Chrome where a small fraction of connections between desktop Chrome and Google's servers will use a post-quantum key-exchange algorithm in addition to the elliptic-curve key-exchange algorithm that would typically be used."

Rest of the world: "It's still kind of okay to have Win XP deployed, though, right? And I mean, it's the internal network, so we can do without SSL for just a little while longer."
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John Mueller

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Web Components are crawled for schema.org metadata

A few weeks ago I did a test to see if schema.org data is pulled from web components in the shadow dom. I am happy to report my negative findings were wrong.

Google is pulling schema.org out of web components

I had placed the JSON-LD package down in the table as an expedient (ie.. lazy). Someone here caught that (sorry I don't have a credit) and it registered with me as an error. While doing some updates I changed it but didn't go back to Google Search Console to check it.

I did today and it is there.. so using web components and place semantic metadata in those does work, at least for Google. If others are rendering the component shadow dom's I do not know (yet).

Appreciate this community for its help and conversation on this topic. I'm happy I can move forward with some web component and semantic projects now!


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John Mueller

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"Weird-Looking Freak Saves Apollo 14" - lots of fun stuff to read about and from Don Eyles, one of the programmers on the Apollo program. Was this an early form of Ballmer Peak? "I've written computer programs while I was stoned which have turned out to be pretty good programs."

The giant book (with the matching suitcase) in the video is a printout of the Lunar Module source code.

https://www.youtube.com/watch?v=H0ITFbDuJz0
http://hackaday.com/2016/07/05/don-eyles-walks-us-through-the-lunar-module-source-code/
http://www.doneyles.com/LM/Tales.html
http://www.rollingstone.com/politics/news/extra-weird-looking-freak-saves-apollo-14-19710318
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Barry Schwartz's profile photoMargaret Ornsby's profile photoJohn Mueller's profile photoJon Gritton's profile photo
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+John Mueller I do have vague, horrible, memories of assembler on the ZX80/1 and the BBC Micro, but I thought something like a missing semicolon might resonate with a larger audience today... :)
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