# Nil usage errors in un-self-deleting posts **URL:** https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066 **Category:** Support **Created:** [March 6, 2015, 1:04pm UTC](https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066 "2015-03-06T13:04:20Z") **Posts on this page:** 1 **Showing post:** 26
### Author: ![DeanMarkTaylor](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/deanmarktaylor/32/102462_2.png) [@DeanMarkTaylor](https://meta.discourse.org/u/DeanMarkTaylor) #### Post date: [March 7, 2015, 11:46pm UTC](https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066/26 "2015-03-07T23:46:34Z")
If the problem occurs every time - then you could try connecting via a VPN to test. Connecting via a VPN should prevent your ISP from modifying the page content. [TunnelBear](https://www.tunnelbear.com/) provides you with 500MB for free each month, remember to disconnect after testing: > **[TunnelBear: Secure VPN Service](https://www.tunnelbear.com/)** > > Really simple VPN to browse the web privately & securely. Unblock websites around the world with applications for Mac, PC, iOS, Android & Chrome. For reference purposes here is `no-transform` feature request @codinghorror thought might be releated: > [@Add \`Cache-Control "no-transform"\` HTTP header](https://meta.discourse.org/t/add-cache-control-no-transform-http-header/25152): > > Continuing the discussion from [JavaScript Uncaught ReferenceError: bmi\_load is not defined](https://meta.discourse.org/t/javascript-uncaught-referenceerror-bmi-load-is-not-defined/25129/3): Accessing a Discourse site via UK 3G/GPRS providers causes HTML content to be modified and JavaScript errors to be introduced. Adding Cache-Control "no-transform" header for HTML results would resolve this. However this might have other ramifications in terms of intermediate caching servers, but as long as this isn’t included on the image files it shouldn’t have that much of an effect other than preven… --- _[View the full topic](https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066)._