Test 1
Is src1 misinterpreted as an src anywhere?
<img src1="img/medium.jpg">
srcN TestsIs src1 misinterpreted as an src anywhere?
<img src1="img/medium.jpg">
Does an empty src value fire a request?
<img src="">
Does an omitted src value fire a request?
<img src>
Does an omitted src attribute fire a request?
<img>
Performing this test by running tail -f /var/log/apache2/access_log on my local machine, and hitting it with various test devices here in the lab.
| Platform | Test 1 | Test 2 | Test 3 | Test 4 | Notes |
|---|---|---|---|---|---|
| Chrome (32,31,30,29,28) | No request | No request | No request | No request | |
| Firefox | No request | No request | No request | No request | Fixed as of FF3.5 |
| iOS7 Safari | No request | No request | No request | No request | |
| Opera Mini (iOS) | No request | No request | No request | No request | |
| Opera Mini 7.5 (Android) | No request | No request | No request | No request | |
| Kindle Experimental Browser (Paperwhite) | Needs verification | Needs verification | Needs verification | Needs verification | Single ghost request for the page. |
| Opera Mobile 16 (Android 4.2) | No request | No request | No request | No request | |
| Android 2.1 | No request | Request | Request | No request | Multiple instances of request-triggering img only result in a single ghost request, for the page itself. |
| Android 2.2 (Native, Dolphin) | No request | Request | Request | No request | Multiple instances of request-triggering img only result in a single ghost request, for the page itself. |
| Android 2.3 (Native, Dolphin, Boat Browser, QQ Browser) | No request | Request | Request | No request | Multiple instances of request-triggering img only result in a single ghost request, for the page itself. |
| Android 2.3 (Skyfire) | Needs verification | Needs verification | Needs verification | Needs verification | Two ghost requests for the page. |
| Android 4.1 (Native) | No request | No request | No request | No request | |
| Android 4.1 (Chrome) | No request | No request | No request | No request | Unrelated: favicon and Apple touch icons are rerequested every time the URL is edited, one character at a time. |
| Android 4.1 (Firefox) | No request | No request | No request | No request | |
| Android 4.1 (Dolphin) | Needs verification | Needs verification | Needs verification | Needs verification | Two ghost requests for the page. |
| Android 4.2 (Firefox) | No request | No request | No request | No request | |
| WP 7 | No request | No request | No request | No request | |
| WP 7.5 | No request | No request | No request | No request | |
| WP 8 | No request | No request | No request | No request | |
| Iceweasel 17.0.9 | No request | No request | No request | No request | Heh. “Iceweasel.” |
| Epiphany | No request | No request | No request | No request | Ubuntu |
| BB 4.6 | No request | No request | Request | No request |
Multiple instances of request-triggering img result in a single ghost request for “src”. img elements appear to be rendered for all tests (pushing page content down with browser default img padding), but “broken” icon is only displayed for test 3.
"GET /_RICG/srcn/src HTTP/1.1" 404 325
|
| BB5 | No request | No request | No request | No request | |
| BB6 | No request | No request | No request | No request | |
| B2G 1.1.0.0 pre-release | No request | No request | No request | No request | |
| FF17 (Android) | No request | No request | No request | No request | |
| 3DS Browser | Needs verification | Needs verification | Needs verification | Needs verification | Single ghost request for the page. |
| IE6 | Needs verification | Needs verification | Needs verification | Needs verification | |
| IE7 | Needs verification | Needs verification | Needs verification | Needs verification | |
| IE8 | No request | No request | No request | No request | |
| IE9 | No request | No request | No request | No request | |
| IE10 | No request | No request | No request | No request |