# Which sites enabled Resource Timing?

**URL:** <https://discuss.httparchive.org/t/which-sites-enabled-resource-timing/5>\
**Category:** Analysis\
**Created:** [June 27, 2013, 5:25am UTC](https://discuss.httparchive.org/t/which-sites-enabled-resource-timing/5 "2013-06-27T05:25:47Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![igrigorik](https://yyz1.discourse-cdn.com/flex035/user_avatar/discuss.httparchive.org/igrigorik/32/925_2.png) [@igrigorik](https://discuss.httparchive.org/u/igrigorik)\
**Post date:** [June 27, 2013, 5:25am UTC](https://discuss.httparchive.org/t/which-sites-enabled-resource-timing/5/1 "2013-06-27T05:25:47Z")

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```sql
SELECT domain(url) as domainname, count(*) as num
FROM [httparchive:runs.latest_requests]
WHERE lower(respOtherHeaders) contains "timing-allow-origin" 
GROUP BY domainname 
ORDER BY num desc 

```

Relevant part of the spec: [http://www.w3.org/TR/resource-timing/#cross-origin-resources](http://www.w3.org/TR/resource-timing/#cross-origin-resources)

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<div class="post-metadata">

**Author:** ![igrigorik](https://yyz1.discourse-cdn.com/flex035/user_avatar/discuss.httparchive.org/igrigorik/32/925_2.png) [@igrigorik](https://discuss.httparchive.org/u/igrigorik)\
**Post date:** [June 27, 2013, 5:26am UTC](https://discuss.httparchive.org/t/which-sites-enabled-resource-timing/5/2 "2013-06-27T05:26:10Z")

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Sadly, basically nobody… as of mid 2013:  
 ![](https://yyz1.discourse-cdn.com/flex035/uploads/httparchive/2/7e2a48baa6a3afee.png)

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<div class="post-metadata">

**Author:** ![sam](https://yyz1.discourse-cdn.com/flex035/user_avatar/discuss.httparchive.org/sam/32/279_2.png) [@sam](https://discuss.httparchive.org/u/sam)\
**Post date:** [June 27, 2013, 6:10am UTC](https://discuss.httparchive.org/t/which-sites-enabled-resource-timing/5/3 "2013-06-27T06:10:30Z")

</div>

Wow, was totally not expecting that, is the header actually ratified now?

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<div class="post-metadata">

**Author:** ![igrigorik](https://yyz1.discourse-cdn.com/flex035/user_avatar/discuss.httparchive.org/igrigorik/32/925_2.png) [@igrigorik](https://discuss.httparchive.org/u/igrigorik)\
**Post date:** [June 27, 2013, 11:01pm UTC](https://discuss.httparchive.org/t/which-sites-enabled-resource-timing/5/4 "2013-06-27T23:01:19Z")

</div>

Yup, ResourceTiming is implemented in IE10+ and Chrome! Andy Davies did a nice writeup on it in WebPerf calendar: [http://calendar.perfplanet.com/2012/an-introduction-to-the-resource-timing-api/](http://calendar.perfplanet.com/2012/an-introduction-to-the-resource-timing-api/)