You should prioritize the listing sites you add your projects too based upon how many people actually visit that section of the site. Notice I said section & not site. Many traffic aggregators like Alexa will tell you how much total traffic a web-domain receives per month, but that does little good if nobody visits their ICO Listing section.

I use the "SimilarWeb" chrome extension to tell me how much monthly traffic a particular page gets. Its is also useful in letting you know how many visitors took a closer look at your projects section. This is also good for Crypto Enthusiasts looking to invest, as you cam visit the highest populated ICO Lists, and then identify which individual profiled receive the most attention.

There are many listing sites that will try to tick visitors into thinking that they are free, when they are actually paid. If you are attempting to list a project, and the site only reveals their pricing structure once you've already submitted the application then that is a huge red flag. Most application process's are very lengthy, some taking up to 30 minutes to complete. The ploy the site is banking on involves the user being so frustrated that they'll end up paying just to justify their time spent.

As a crypto enthusiast looking for projects to support this also negatively affects you. As their are a high chance that if a site is Paid, and their price structure & policies are not made publicly available, then the ratings themselves could be fake.

If a site has broken links, particularly if the button to submit a project is malfunctioning, then its a good chance the site is just a cash grab. Any site that takes themselves seriously would fix a malfunctioning submittal button within 24hrs. Not doing so is a good chance that the site is about to shut down.

Use your time wisely. Concentrate on free sites that have the most traffic, and then paid sites w/ transparent price structure. After that, concentrate on all of the free sites. Free is free regardless of traffic . Even if a site has no traffic it is a good idea to be listed anyhow. It will help your SEO.

Filling out all of these applications is not only time consuming, but also boring as hell. The entire process promotes burnout, and will eventually become something akin to a fever dream that you can't wake up from. To expedite the process create a spreadsheet w/ all of your projects information so that you can just copy and paste them when needed.

Also, most of the questions are all cross referenced in some way. Meaning, that it is very rare that after filling in a dozen application forms that you'll run into a question you have not already answered. So, in this regard, whenever you run into a new question copy it into your spreadsheet, and document your answer so it can be used as a future "copy pasta!"