HTTP2 On Top Sites

HTTP2

The Hypertext Transfer Protocol (abbreviated as HTTP) is the protocol that governs the connection between server (website) and client (web browser). There is a new version of this protocol, and it promises fast, high performance websites.

Hypertext Transfer Protocol Version 2 (often abbreviated as HTTP/2, HTTP2) is the major revision of the HTTP network protocol for the first time since 1999. The standard was approved in February 2015 by Internet Engineering Task Force and most of the browsers  support it. Below are the dates of HTTP evolution.

HTTP/0.9 1991
HTTP/1.0 1996
HTTP/1.1 1999
HTTP/2 2015

HTTP2 is not a rewrite of the HTTP protocol from scratch; HTTP methods, status codes and semantics are not touched. Instead it attempts to solve many of the deficiencies and inflexibilities of HTTP/1.1. In other words the spotlight of the protocol is on transport performance.

HTTP2 At A High Level

  • is binary, instead of textual which means computers will communicate each other in their own language. 
  • is fully multiplexed, on the same TCP connection, several requests can be sent in rapid succession, and responses can be received out of order.
  • uses header compression to reduce overhead which extremely reduces header size.
  • enables servers to push responses proactively into client caches (viewer's browser cache) instead of waiting for client to request it.

HTTP2 And HTTPS

HTTP/2 requires the use of encryption consequently a website should support HTTPS in the first place to be able to serve HTTP/2. This requirement is due to major browsers (Mozilla Firefox and Google Chrome) which have stated that they will only support HTTP2 when it is used over an encrypted connection, and currently no browser supports HTTP2 unencrypted.

HTTP2 And Google

John Mueller, Google Webmaster Trends Analyst, declared Googlebot will support HTTP/2 on 06/11/2015 but Googlebot has not supported HTTP2 yet. Google's recent communications about HTTP2 is not very promising either. Google's Garry Illyes answered a question about HTTP2 as below on 22/06/2016 at SMX Advanced Search Keynote.

Regarding performance issues, the focus of Google is on AMP (Accelerated Mobile Pages) rather than HTTP2, Google is pushing AMP aggressively right now.

On the other hand, serving a faster website will improve user experience on a website which will have a positive impact on not only users but also a website's search engine rankings.

HTTP2 On Top Sites

On 19/07/2016 Similarweb stated 300 Top Websites in the world. This ranking is based on both mobile and desktop data for the first time. Being curious about how many top websites are on HTTP2, I checked their HTTP2 support. 

The result shows

  • 39 % of  100 Top Websites Support HTTP2
  • 31 % of  200 Top Websites Support HTTP2 
  • 27 % of  300 Top Websites Support HTTP2

HTTP2 SEO Recommendations

As a recommandation for your website, firstly the best is moving to HTTPS if it is still on HTTP as that is a requirement for HTTP2 too. There should not be much hesitation about moving to HTTPS particularly if your website is not very established and huge. Becouse it is already a search engine ranking factor and recently Google declared 30X redirects no longer lose Pagerank besides let's not forget HTTPS allows to have accurate referral data in your analytics platforms unlike HTTP, as referral data is lost during HTTPS-TO-HTTP visits. Secondly, you can conduct a research regarding your website's visitors browsers and check from http://caniuse.com/http2 to learn their HTTP2 support. Thirdly consider analysing your web server software's HTTP2 support e.g. IIS, Apache, NGINX. For example, although NGINX supports HTTP2, last versions of NGINX (nginx-1.10, nginx-1.11) do not support "server push", which means currently you can't fully benefit HTTP2's outstanding features if your website is on those NGINX versions. Lastly if you decide to take the step for moving to HTTP2, keep in mind, what Ilya Grigorik (Google) says "Yesterday's perf best-practices are today's HTTP2 anti-patterns" and review your website existing performance hacks for HTTP1 while also knowing that in some cases with some browsers or else with googlebot you will still continue serving HTTP1 although your website will be able to serve HTTP2.

HTTP2 On 300 Top Sites

The ranking data is handout from Similarweb.

Warning: Some of the sites below contain explicit content. Please research the nature of these sites before navigating directly to the sites below. 

Website
Rank (Desktop and Mobile Web)
HTTP/2 Support
facebook.com 1  ✓ HTTP/2 supported by facebook.com
Supported protocols: h2 h2-fb spdy/3.1-fb-0.5 spdy/3.1 spdy/3 http/1.1
google.com 2  ✓ HTTP/2 supported by google.com
Supported protocols: h2 spdy/3.1 http/1.1
youtube.com 3  ✓ HTTP/2 supported by youtube.com
Supported protocols: h2 spdy/3.1 http/1.1
vk.com 4 ✓ HTTP/2 supported by vk.com
Supported protocols: h2 http/1.1
yahoo.com 5  ✓ HTTP/2 supported by yahoo.com
Supported protocols: h2 h2-14 spdy/3.1 spdy/3 http/1.1 http/1.0
instagram.com 6  ✓ HTTP/2 supported by instagram.com
Supported protocols: h2 h2-fb http/1.1
wikipedia.org 7  ✓ HTTP/2 supported by wikipedia.org
Supported protocols: h2 http/1.1
live.com 8  × HTTP/2 not supported by live.com
twitter.com 9  ✓ HTTP/2 supported by twitter.com
Supported protocols: h2 spdy/3.1 http/1.1
google.com.br 10  ✓ HTTP/2 supported by google.com.br
 Supported protocols: h2 spdy/3.1 http/1.1
yandex.ru 11  × HTTP/2 not supported by yandex.ru
Supported protocols: http/1.1
google.co.uk 12  ✓ HTTP/2 supported by google.co.uk
Supported protocols: h2 spdy/3.1 http/1.1
amazon.com 13  × HTTP/2 not supported by amazon.com
Supported protocols: http/1.1
google.co.in 14  ✓ HTTP/2 supported by google.co.in
Supported protocols: h2 spdy/3.1 http/1.1
ok.ru 15  × HTTP/2 not supported by ok.ru
baidu.com 16  × HTTP/2 not supported by baidu.com
mail.ru 17  × HTTP/2 not supported by mail.ru
 Supported protocols: http/1.1
xvideos.com 18  × HTTP/2 not supported by xvideos.com
google.fr 19  ✓ HTTP/2 supported by google.fr
Supported protocols: h2 spdy/3.1 http/1.1
google.de 20  ✓ HTTP/2 supported by google.de
 Supported protocols: h2 spdy/3.1 http/1.1
google.co.jp 21  ✓ HTTP/2 supported by google.co.jp
Supported protocols: h2 spdy/3.1 http/1.1
google.ru 22  ✓ HTTP/2 supported by google.ru
Supported protocols: h2 spdy/3.1 http/1.1
pornhub.com 23  × HTTP/2 not supported by pornhub.com
google.com.tr 24  ✓ HTTP/2 supported by google.com.tr
Supported protocols: h2 spdy/3.1 http/1.1
ebay.com 25  × HTTP/2 not supported by ebay.com
msn.com 26  × HTTP/2 not supported by msn.com
yahoo.co.jp 27  × HTTP/2 not supported by yahoo.co.jp
google.com.mx 28  ✓ HTTP/2 supported by google.com.mx
Supported protocols: h2 spdy/3.1 http/1.1
google.it 29  ✓ HTTP/2 supported by google.it
Supported protocols: h2 spdy/3.1 http/1.1
reddit.com 30  × HTTP/2 not supported by reddit.com
 Supported protocols: spdy/3.1 http/1.1
google.pl 31  ✓ HTTP/2 supported by google.pl
Supported protocols: h2 spdy/3.1 http/1.1
google.ca 32  ✓ HTTP/2 supported by google.ca
 Supported protocols: h2 spdy/3.1 http/1.1
netflix.com 33  × HTTP/2 not supported by netflix.com
google.es 34  ✓ HTTP/2 supported by google.es
Supported protocols: h2 spdy/3.1 http/1.1
bing.com 35  × HTTP/2 not supported by bing.com
tumblr.com 36  × HTTP/2 not supported by tumblr.com
Supported protocols: spdy/3.1 http/1.1
xhamster.com 37  × HTTP/2 not supported by xhamster.com
craigslist.org 38  × HTTP/2 not supported by craigslist.org
linkedin.com 39  × HTTP/2 not supported by linkedin.com
 Supported protocols: spdy/3.1 spdy/3 http/1.1 http/1.0
qq.com 40  × HTTP/2 not supported by qq.com
xnxx.com 41  × HTTP/2 not supported by xnxx.com
pinterest.com 42  × HTTP/2 not supported by pinterest.com
google.com.au 43  ✓ HTTP/2 supported by google.com.au
Supported protocols: h2 spdy/3.1 http/1.1
taobao.com 44  × HTTP/2 not supported by taobao.com
Supported protocols: spdy/3.1 http/1.1
imgur.com 45  × HTTP/2 not supported by imgur.com
aliexpress.com 46  ✓ HTTP/2 supported by aliexpress.com
Supported protocols: h2 spdy/3.1 http/1.1
imdb.com 47  × HTTP/2 not supported by imdb.com
google.co.id 48  ✓ HTTP/2 supported by google.co.id
Supported protocols: h2 spdy/3.1 http/1.1
google.com.ar 49  ✓ HTTP/2 supported by google.com.ar
Supported protocols: h2 spdy/3.1 http/1.1
wordpress.com 50  ✓ HTTP/2 supported by wordpress.com
 Supported protocols: h2 http/1.1
google.co.th 51  ✓ HTTP/2 supported by google.co.th
Supported protocols: h2 spdy/3.1 http/1.1
naver.com 52  × HTTP/2 not supported by naver.com
kat.cr 53  Connection to host `kat.cr` failed.
microsoft.com 54  × HTTP/2 not supported by microsoft.com
paypal.com 55  × HTTP/2 not supported by paypal.com
globo.com 56  × HTTP/2 not supported by globo.com
uol.com.br 57  × HTTP/2 not supported by uol.com.br
amazon.de 58  × HTTP/2 not supported by amazon.de
 Supported protocols: http/1.1
whatsapp.com 59  × HTTP/2 not supported by whatsapp.com
google.nl 60  ✓ HTTP/2 supported by google.nl
Supported protocols: h2 spdy/3.1 http/1.1
amazon.co.uk 61  × HTTP/2 not supported by amazon.co.uk
Supported protocols: http/1.1
ebay.co.uk 62  × HTTP/2 not supported by ebay.co.uk
dropbox.com 63  ✓ HTTP/2 supported by dropbox.com
Supported protocols: h2 http/1.1
avito.ru 64  ✓ HTTP/2 supported by avito.ru
 Supported protocols: h2 http/1.1
tmall.com 65  × HTTP/2 not supported by tmall.com
 Supported protocols: spdy/3.1 http/1.1
amazon.co.jp 66  × HTTP/2 not supported by amazon.co.jp
Supported protocols: http/1.1
bbc.co.uk 67  × HTTP/2 not supported by bbc.co.uk
google.com.ua 68  ✓ HTTP/2 supported by google.com.ua
 Supported protocols: h2 spdy/3.1 http/1.1
wikia.com 69  × HTTP/2 not supported by wikia.com
google.com.tw 70  ✓ HTTP/2 supported by google.com.tw
Supported protocols: h2 spdy/3.1 http/1.1
apple.com 71  × HTTP/2 not supported by apple.com
google.com.co 72  ✓ HTTP/2 supported by google.com.co
Supported protocols: h2 spdy/3.1 http/1.1
google.com.ph 73  ✓ HTTP/2 supported by google.com.ph
 Supported protocols: h2 spdy/3.1 http/1.1
office.com 74  × HTTP/2 not supported by office.com
weibo.com 75  × HTTP/2 not supported by weibo.com
Supported protocols: http/1.1
accuweather.com 76  × HTTP/2 not supported by accuweather.com
booking.com 77  × HTTP/2 not supported by booking.com
jd.com 78  × HTTP/2 not supported by jd.com
fc2.com 79  × HTTP/2 not supported by fc2.com
twitch.tv 80  × HTTP/2 not supported by twitch.tv
 Supported protocols: http/1.1
go.com 81  × HTTP/2 not supported by go.com
github.com 82  × HTTP/2 not supported by github.com
redtube.com 83  × HTTP/2 not supported by redtube.com
rakuten.co.jp 84  × HTTP/2 not supported by rakuten.co.jp
deviantart.com 85  × HTTP/2 not supported by deviantart.com
 Supported protocols: http/1.1
ebay.de 86  × HTTP/2 not supported by ebay.de
onet.pl 87  ✓ HTTP/2 supported by onet.pl
Supported protocols: h2 http/1.1
allegro.pl 88  × HTTP/2 not supported by allegro.pl
google.com.vn 89  ✓ HTTP/2 supported by google.com.vn
 Supported protocols: h2 spdy/3.1 http/1.1
alibaba.com 90  ✓ HTTP/2 supported by alibaba.com
Supported protocols: h2 http/1.1
163.com 91  × HTTP/2 not supported by 163.com
google.ro 92  ✓ HTTP/2 supported by google.ro
Supported protocols: h2 spdy/3.1 http/1.1
nicovideo.jp 93  × HTTP/2 not supported by nicovideo.jp
microsoftonline.com 94  × HTTP/2 not supported by microsoftonline.com
google.com.pe 95  ✓ HTTP/2 supported by google.com.pe
Supported protocols: h2 spdy/3.1 http/1.1
wp.pl 96  × HTTP/2 not supported by wp.pl
mlb.com 97  × HTTP/2 not supported by mlb.com
cnn.com 98  × HTTP/2 not supported by cnn.com
ask.com 99  × HTTP/2 not supported by ask.com
google.cl 100  ✓ HTTP/2 supported by google.cl
Supported protocols: h2 spdy/3.1 http/1.1
google.be 101  ✓ HTTP/2 supported by google.be
Supported protocols: h2 spdy/3.1 http/1.1
bet365.com 102  × HTTP/2 not supported by bet365.com
youporn.com 103  × HTTP/2 not supported by youporn.com
soundcloud.com 104  × HTTP/2 not supported by soundcloud.com
Supported protocols: http/1.1 http/1.0
sina.com.cn 105  × HTTP/2 not supported by sina.com.cn
indeed.com 106  × HTTP/2 not supported by indeed.com
youtube-mp3.org 107  ✓ HTTP/2 supported by youtube-mp3.org
 Supported protocols: h2 spdy/3.1 http/1.1
walmart.com 108  × HTTP/2 not supported by walmart.com
yandex.ua 109  × HTTP/2 not supported by yandex.ua
Supported protocols: http/1.1
adobe.com 110  × HTTP/2 not supported by adobe.com
google.co.za 111  ✓ HTTP/2 supported by google.co.za
 Supported protocols: h2 spdy/3.1 http/1.1
chaturbate.com 112  × HTTP/2 not supported by chaturbate.com
sogou.com 113  × HTTP/2 not supported by sogou.com
Supported protocols: http/1.1
flickr.com 114  × HTTP/2 not supported by flickr.com
 Supported protocols: http/1.1 http/1.0
dailymail.co.uk 115  × HTTP/2 not supported by dailymail.co.uk
nametests.com 116  × HTTP/2 not supported by nametests.com
Supported protocols: spdy/3.1 http/1.1
dailymotion.com 117  × HTTP/2 not supported by dailymotion.com
leboncoin.fr 118  × HTTP/2 not supported by leboncoin.fr
google.pt 119  ✓ HTTP/2 supported by google.pt
Supported protocols: h2 spdy/3.1 http/1.1
google.com.eg 120  ✓ HTTP/2 supported by google.com.eg
Supported protocols: h2 spdy/3.1 http/1.1
mercadolivre.com.br 121  × HTTP/2 not supported by mercadolivre.com.br
google.se 122  ✓ HTTP/2 supported by google.se
 Supported protocols: h2 spdy/3.1 http/1.1
bbc.com 123  × HTTP/2 not supported by bbc.com
google.hu 124  ✓ HTTP/2 supported by google.hu
Supported protocols: h2 spdy/3.1 http/1.1
zillow.com 125  × HTTP/2 not supported by zillow.com
chase.com 126  × HTTP/2 not supported by chase.com
google.com.hk 127  ✓ HTTP/2 supported by google.com.hk
Supported protocols: h2 spdy/3.1 http/1.1
amazon.in 128  × HTTP/2 not supported by amazon.in
Supported protocols: http/1.1
9gag.com 129  × HTTP/2 not supported by 9gag.com
badoo.com 130  × HTTP/2 not supported by badoo.com
steamcommunity.com 131  × HTTP/2 not supported by steamcommunity.com
Supported protocols: http/1.1 http/1.0
sahibinden.com 132  × HTTP/2 not supported by sahibinden.com
google.gr 133  ✓ HTTP/2 supported by google.gr
Supported protocols: h2 spdy/3.1 http/1.1
google.cz 134  ✓ HTTP/2 supported by google.cz
 Supported protocols: h2 spdy/3.1 http/1.1
buzzfeed.com 135  × HTTP/2 not supported by buzzfeed.com
theguardian.com 136  × HTTP/2 not supported by theguardian.com
google.ch 137  ✓ HTTP/2 supported by google.ch
Supported protocols: h2 spdy/3.1 http/1.1
pixiv.net 138  × HTTP/2 not supported by pixiv.net
Supported protocols: http/1.1
google.co.ve 139  ✓ HTTP/2 supported by google.co.ve
Supported protocols: h2 spdy/3.1 http/1.1
yelp.com 140  × HTTP/2 not supported by yelp.com
 Supported protocols: spdy/3.1 http/1.1
samsung.com 141  × HTTP/2 not supported by samsung.com
vimeo.com 142  × HTTP/2 not supported by vimeo.com
nytimes.com 143  × HTTP/2 not supported by nytimes.com
hao123.com 144  × HTTP/2 not supported by hao123.com
stackoverflow.com 145  × HTTP/2 not supported by stackoverflow.com
e-hentai.org 146  × HTTP/2 not supported by e-hentai.org
wellsfargo.com 147  × HTTP/2 not supported by wellsfargo.com
naver.jp 148  × HTTP/2 not supported by naver.jp
amazon.fr 149  × HTTP/2 not supported by amazon.fr
Supported protocols: http/1.1
livedoor.jp 150  × HTTP/2 not supported by livedoor.jp
aol.com 151  × HTTP/2 not supported by aol.com
daum.net 152  × HTTP/2 not supported by daum.net
google.co.il 153  ✓ HTTP/2 supported by google.co.il
 Supported protocols: h2 spdy/3.1 http/1.1
google.com.sa 154  ✓ HTTP/2 supported by google.com.sa
Supported protocols: h2 spdy/3.1 http/1.1
google.ae 155  ✓ HTTP/2 supported by google.ae
 Supported protocols: h2 spdy/3.1 http/1.1
etsy.com 156  × HTTP/2 not supported by etsy.com
orange.fr 157  × HTTP/2 not supported by orange.fr
torrentz.eu 158 Connection to host `torrentz.eu` failed.
bankofamerica.com 159  × HTTP/2 not supported by bankofamerica.com
google.com.sg 160  ✓ HTTP/2 supported by google.com.sg
 Supported protocols: h2 spdy/3.1 http/1.1
thepiratebay.org 161  ✓ HTTP/2 supported by thepiratebay.org
 Supported protocols: h2 spdy/3.1 http/1.1
yandex.com.tr 162  × HTTP/2 not supported by yandex.com.tr
Supported protocols: http/1.1
quora.com 163  × HTTP/2 not supported by quora.com
 Supported protocols: http/1.1
douban.com 164  × HTTP/2 not supported by douban.com
Supported protocols: http/1.1
livejasmin.com 165  × HTTP/2 not supported by livejasmin.com
google.co.kr 166  ✓ HTTP/2 supported by google.co.kr
 Supported protocols: h2 spdy/3.1 http/1.1
hulu.com 167  × HTTP/2 not supported by hulu.com
 Supported protocols: http/1.1 http/1.0
ask.fm 168  × HTTP/2 not supported by ask.fm
spotify.com 169  × HTTP/2 not supported by spotify.com
 Supported protocols: http/1.1
tripadvisor.com 170  × HTTP/2 not supported by tripadvisor.com
Supported protocols: http/1.1 http/1.0
foxnews.com 171  × HTTP/2 not supported by foxnews.com
Supported protocols: http/1.1 http/1.0
mega.nz 172  × HTTP/2 not supported by mega.nz
steampowered.com 173  × HTTP/2 not supported by steampowered.com
Supported protocols: http/1.1 http/1.0
putlocker.is 174  × HTTP/2 not supported by putlocker.is
Supported protocols: spdy/3.1 http/1.1
outbrain.com 175  × HTTP/2 not supported by outbrain.com
 Supported protocols: http/1.1
olx.pl 176  × HTTP/2 not supported by olx.pl
ifeng.com 177  × HTTP/2 not supported by ifeng.com
salesforce.com 178  × HTTP/2 not supported by salesforce.com
seznam.cz 179  × HTTP/2 not supported by seznam.cz
Supported protocols: http/1.1
youku.com 180  × HTTP/2 not supported by youku.com
bilibili.com 181  × HTTP/2 not supported by bilibili.com
 Supported protocols: http/1.1
ikea.com 182  × HTTP/2 not supported by ikea.com
ameblo.jp 183  × HTTP/2 not supported by ameblo.jp
milliyet.com.tr 184  × HTTP/2 not supported by milliyet.com.tr
dmm.co.jp 185  × HTTP/2 not supported by dmm.co.jp
sohu.com 186  ✓ HTTP/2 supported by sohu.com
 Supported protocols: h2 spdy/3.1 http/1.1
blogger.com 187  ✓ HTTP/2 supported by blogger.com
Supported protocols: h2 spdy/3.1 http/1.1
zing.vn 188  × HTTP/2 not supported by zing.vn
Supported protocols: http/1.1
weather.com 189  ✓ HTTP/2 supported by weather.com
Supported protocols: h2 h2-14 http/1.1 http/1.0
mediafire.com 190  × HTTP/2 not supported by mediafire.com
cnet.com 191  × HTTP/2 not supported by cnet.com
mozilla.org 192  × HTTP/2 not supported by mozilla.org
att.com 193  × HTTP/2 not supported by att.com
rambler.ru 194  × HTTP/2 not supported by rambler.ru
Supported protocols: http/1.1
bp.blogspot.com 195 Connection to host `bp.blogspot.com` failed.
fotostrana.ru 196  × HTTP/2 not supported by fotostrana.ru
 Supported protocols: http/1.1
google.com.ec 197  ✓ HTTP/2 supported by google.com.ec
 Supported protocols: h2 spdy/3.1 http/1.1
huffingtonpost.com 198  × HTTP/2 not supported by huffingtonpost.com
web.de 199  × HTTP/2 not supported by web.de
google.at 200  ✓ HTTP/2 supported by google.at
Supported protocols: h2 spdy/3.1 http/1.1
zhihu.com 201  × HTTP/2 not supported by zhihu.com
Supported protocols: http/1.1
feedly.com 202  ✓ HTTP/2 supported by feedly.com
Supported protocols: h2 spdy/3.1 http/1.1
adexc.net 203  × HTTP/2 not supported by adexc.net
drom.ru 204  × HTTP/2 not supported by drom.ru
Supported protocols: http/1.1
wikihow.com 205  × HTTP/2 not supported by wikihow.com
drudgereport.com 206  × HTTP/2 not supported by drudgereport.com
hurriyet.com.tr 207  × HTTP/2 not supported by hurriyet.com.tr
ebay-kleinanzeigen.de 208  × HTTP/2 not supported by ebay-kleinanzeigen.de
google.bg 209  ✓ HTTP/2 supported by google.bg
Supported protocols: h2 spdy/3.1 http/1.1
mangafox.me 210  × HTTP/2 not supported by mangafox.me
indiatimes.com 211  × HTTP/2 not supported by indiatimes.com
alipay.com 212  × HTTP/2 not supported by alipay.com
google.com.pk 213  ✓ HTTP/2 supported by google.com.pk
Supported protocols: h2 spdy/3.1 http/1.1
realtor.com 214  × HTTP/2 not supported by realtor.com
amazon.it 215  × HTTP/2 not supported by amazon.it
 Supported protocols: http/1.1
kinogo.co 216  ✓ HTTP/2 supported by kinogo.co
Supported protocols: h2 spdy/3.1 http/1.1
nih.gov 217  × HTTP/2 not supported by nih.gov
Supported protocols: http/1.1
google.sk 218  ✓ HTTP/2 supported by google.sk
 Supported protocols: h2 spdy/3.1 http/1.1
google.ie 219  ✓ HTTP/2 supported by google.ie
Supported protocols: h2 spdy/3.1 http/1.1
interia.pl 220  × HTTP/2 not supported by interia.pl
tube8.com 221  × HTTP/2 not supported by tube8.com
slither.io 222  × HTTP/2 not supported by slither.io
Supported protocols: spdy/3.1 http/1.1
flipkart.com 223  × HTTP/2 not supported by flipkart.com
homedepot.com 224  × HTTP/2 not supported by homedepot.com
gmx.net 225  × HTTP/2 not supported by gmx.net
xfinity.com 226  × HTTP/2 not supported by xfinity.com
pof.com 227  × HTTP/2 not supported by pof.com
friv.com 228  × HTTP/2 not supported by friv.com
telegraph.co.uk 229  × HTTP/2 not supported by telegraph.co.uk
Supported protocols: http/1.1 http/1.0
slideshare.net 230  × HTTP/2 not supported by slideshare.net
Supported protocols: http/1.1 http/1.0
spankbang.com 231  × HTTP/2 not supported by spankbang.com
360.cn 232  × HTTP/2 not supported by 360.cn
t-online.de 233  × HTTP/2 not supported by t-online.de
imagefap.com 234  × HTTP/2 not supported by imagefap.com
iqiyi.com 235  × HTTP/2 not supported by iqiyi.com
bongacams.com 236  × HTTP/2 not supported by bongacams.com
google.co.nz 237  ✓ HTTP/2 supported by google.co.nz
Supported protocols: h2 spdy/3.1 http/1.1
meb.gov.tr 238  × HTTP/2 not supported by meb.gov.tr
google.dk 239  ✓ HTTP/2 supported by google.dk
 Supported protocols: h2 spdy/3.1 http/1.1
goo.ne.jp 240  × HTTP/2 not supported by goo.ne.jp
wunderground.com 241  × HTTP/2 not supported by wunderground.com
backpage.com 242  × HTTP/2 not supported by backpage.com
washingtonpost.com 243  × HTTP/2 not supported by washingtonpost.com
Supported protocols: http/1.1
beeg.com 244  × HTTP/2 not supported by beeg.com
target.com 245  × HTTP/2 not supported by target.com
Supported protocols: http/1.1 http/1.0
hm.com 246  × HTTP/2 not supported by hm.com
roblox.com 247  × HTTP/2 not supported by roblox.com
Supported protocols: http/1.1
google.no 248  ✓ HTTP/2 supported by google.no
Supported protocols: h2 spdy/3.1 http/1.1
olx.ua 249  × HTTP/2 not supported by olx.ua
sberbank.ru 250  × HTTP/2 not supported by sberbank.ru
Supported protocols: http/1.1
stackexchange.com 251  × HTTP/2 not supported by stackexchange.com
blogspot.co.id 252  ✓ HTTP/2 supported by blogspot.co.id
Supported protocols: h2 spdy/3.1 http/1.1
mercadolibre.com.ar 253  × HTTP/2 not supported by mercadolibre.com.ar
4chan.org 254  × HTTP/2 not supported by 4chan.org
healthline.com 255  × HTTP/2 not supported by healthline.com
comcast.net 256  × HTTP/2 not supported by comcast.net
spiegel.de 257  × HTTP/2 not supported by spiegel.de
wix.com 258  ✓ HTTP/2 supported by wix.com
Supported protocols: h2 http/1.1
battle.net 259  × HTTP/2 not supported by battle.net
vnexpress.net 260  × HTTP/2 not supported by vnexpress.net
skype.com 261  × HTTP/2 not supported by skype.com
repubblica.it 262  × HTTP/2 not supported by repubblica.it
gismeteo.ru 263  × HTTP/2 not supported by gismeteo.ru
 Supported protocols: http/1.1
free.fr 264  × HTTP/2 not supported by free.fr
Supported protocols: http/1.1
duckduckgo.com 265  × HTTP/2 not supported by duckduckgo.com
Supported protocols: spdy/3.1 http/1.1
livejournal.com 266  × HTTP/2 not supported by livejournal.com
olx.com.br 267  × HTTP/2 not supported by olx.com.br
Supported protocols: http/1.1
ebay.com.au 268  × HTTP/2 not supported by ebay.com.au
messenger.com 269  ✓ HTTP/2 supported by messenger.com
Supported protocols: h2 h2-fb spdy/3.1-fb-0.5 spdy/3.1 spdy/3 http/1.1
exhentai.org 270  × HTTP/2 not supported by exhentai.org
youjizz.com 271  × HTTP/2 not supported by youjizz.com
gameforge.com 272  × HTTP/2 not supported by gameforge.com
kissanime.to 273  ✓ HTTP/2 supported by kissanime.to
Supported protocols: h2 spdy/3.1 http/1.1
rarbg.to 274  × HTTP/2 not supported by rarbg.to
forbes.com 275  × HTTP/2 not supported by forbes.com
trulia.com 276  × HTTP/2 not supported by trulia.com
bestbuy.com 277  × HTTP/2 not supported by bestbuy.com
 Supported protocols: http/1.1 http/1.0
kijiji.ca 278  × HTTP/2 not supported by kijiji.ca
avg.com 279  × HTTP/2 not supported by avg.com
likes.com 280  ✓ HTTP/2 supported by likes.com
Supported protocols: h2 spdy/3.1 http/1.1
pantip.com 281  × HTTP/2 not supported by pantip.com
Supported protocols: http/1.1
akamaihd.net 282 Connection to host `akamaihd.net` failed.
pinimg.com 283  × HTTP/2 not supported by pinimg.com
force.com 284  × HTTP/2 not supported by force.com
wikihow.com 285  × HTTP/2 not supported by wikihow.com
google.dk 286  ✓ HTTP/2 supported by google.dk
Supported protocols: h2 spdy/3.1 http/1.1
kinopoisk.ru 287  × HTTP/2 not supported by kinopoisk.ru
Supported protocols: http/1.1
godaddy.com 288  × HTTP/2 not supported by godaddy.com
google.ie 289  ✓ HTTP/2 supported by google.ie
 Supported protocols: h2 spdy/3.1 http/1.1
google.dz 290  ✓ HTTP/2 supported by google.dz
Supported protocols: h2 spdy/3.1 http/1.1
vnexpress.net 291  × HTTP/2 not supported by vnexpress.net
google.by 292  ✓ HTTP/2 supported by google.by
Supported protocols: h2 spdy/3.1 http/1.1
spiegel.de 293  × HTTP/2 not supported by spiegel.de
sourceforge.net 294  × HTTP/2 not supported by sourceforge.net
telegraph.co.uk 295  × HTTP/2 not supported by telegraph.co.uk
Supported protocols: http/1.1 http/1.0
douyu.com 296  × HTTP/2 not supported by douyu.com
 Supported protocols: http/1.1 http/1.0
washingtonpost.com 297  × HTTP/2 not supported by washingtonpost.com
Supported protocols: http/1.1
wikimedia.org 298  ✓ HTTP/2 supported by wikimedia.org
 Supported protocols: h2 http/1.1
iqiyi.com 299  × HTTP/2 not supported by iqiyi.com
olx.com.br 300  × HTTP/2 not supported by olx.com.br
Supported protocols: http/1.1

Have comments, questions or feedback about this article? Please do share them with us here.

If you like this article

Follow Me on Twitter

Follow Searchdatalogy on Twitter

Related Tags: HTTP2  

Comments

About Us

Our objective is bringing all our experience and expertise together to deliver solid technology solutions that can take your search traffic acquisition to the next level. Our main goal is to assist you in building and maintaining your search marketing analytics platforms. Our will is to leverage your marketing and IT teams search knowledge while bridging the gap between two.

Legal Terms Privacy

Recent Posts

1 Million #SEO Tweets 9 months, 2 weeks ago
SEO, Six Blind Men & An Elephant 10 months, 2 weeks ago
SEO Hero 2017 11 months, 2 weeks ago
3 Ways For Free HTTPS 1 year, 1 month ago
Crawl Dictionary 1 year, 1 month ago
Bing Strikes 1 year, 2 months ago
HTTPS On Top Sites 1 year, 2 months ago
SEO Web Server Log Files 1 year, 3 months ago
SEO, Web Server Logs And Science 1 year, 3 months ago
HTTP2 On Top Sites 1 year, 3 months ago

Recent Tweets