Best thing I’ve done to eliminate comments spam in Drupal 8

After trying a lot of different anti-spam modules with Drupal 8, the best thing I’ve ever done to reduce comment spam is to go to the Drupal admin /admin/structure/types/manage/blog/fields URI, click Edit on the Comments field, and then select the “Anonymous posters may not enter their contact information.” Since I chose that option two days ago I’ve only had one spammy comment show up in my approval list. That field gave spammers a simple way to enter a URL, and without it, the spam seems to have dried up.

Disabling Drupal 8 page caching significantly increases CPU use

As I noted five days ago, Mollom went out of business so I had to switch this Drupal 8 website to use a different module to control comment spam. I ended up adding two modules that work together, but the side effect of using their best features is that they end up disabling Drupal 8 page caching. This image clearly shows the result that disabling page caching has on CPU use.

Drupal 8 anti-spam modules, caching, and performance alvin April 17, 2018 - 7:39pm

I’m not sure why, but on April 3, 2018, the people behind the Mollom anti-spam module for Drupal basically went out of business. This meant that I either had to disable comments on this site (which I did for a while), or look at other anti-spam modules, which I did over the weekend.

How to test if Drupal 8 pages are being cached (and anti-spam modules) alvin April 14, 2018 - 8:09pm

As a brief note today, if you want to know if your Drupal 8 web pages are being cached, take a look at the headers that are returned by your Drupal 8 URLs. Here’s an example using the curl command:

Upgrading a Drupal 6 website to Drupal 8 alvin April 29, 2016 - 10:16am

This is a good page on on how to upgrade a Drupal 6 website to a Drupal 8 website, including this tip on how to delete all spammy comments very quickly.

Mollom CAPTCHA service review

Summary: This is a review of the Mollom CAPTCHA service, based on our experiences using Mollom with Drupal here on the website.

When I switched this website over to Drupal about three weeks ago, I knew I also needed to find a good Drupal CAPTCHA tool to deal with both comment spam (also known as "comment form spam") and contact spam (contact form spam). After digging around a little bit, Mollom seemed like it might be a good tool, especially since both Drupal and Mollom were both created by the same author, Dries Buytaert.

Thu, Mar 5, 2004 alvin March 4, 2004 - 1:57pm

I got back to working on my anti-spam program again two nights ago. I included a lesson learned on the growth of a software application here.