Web-Performance Blog
I used to always reach for DSL-reports for speed testing.
But I ran into issues where testing didn’t always work, and there are so many advertisements that I’m fed up. A nice, currently ad-free experience is with Cloudflare.
The BLP_bbot/0.1 user agent is associated with Bloomberg Financial Market and is referred to as “BLP” within their own internal naming conventions. It’s likely used by Bloomberg for web crawling purposes, potentially related to financial data aggregation and analysis.
I recently had a lot of contact with ASNs and I was looking for a full list of ASNs. There is an official and public list from RIPE.
https://ftp.ripe.net/ripe/asnames/asn.txt
This PowerShell script can be used to check the status of a plain list of web links that you have copied to your clipboard.
Working on a project, I needed to perform reverse DNS lookups of IP addresses in PHP. The native function gethostbyaddr() seems to be very slow. I managed to vastly improve the speed of the lookups by switching to dns_get_record().
gethostbyaddr($ip);
For Windows users, Notepad++ is still one of the most beloved and best text editors. Of course, Visual Studio Code and Notepad also have their place, but each has its benefits and downsides. While analyzing files or preparing text files, I recently came across the challenge of needing to remove a lot of empty lines in a text file. Lo and behold, Notepad++ can do this without any problems.
You find it here in Notepad++ Edit > Line Operations > Remove Empty Lines
Atlassian did discontinue their server licensing on February 15th, 2024. After a lengthy migration project, the course of action has been decided and tested. It is now time to migrate to the Atlassian Cloud. Unfortunately, as of yet, a custom domain setup is not possible, so we will have to redirect old links to the new domains at Atlassian.
Google and Yahoo is pushing a timeline and a phased introduction of new requirements for email senders and especially bulk-email senders, which are set to begin in February 2024 and continue over the following months.
Today, the news broke that the Google search feature to view a cached version of a webpage will be retired and completely removed.
But the Internet Archive, with the Wayback Machine, has our back. The service is great and worth a try.
I came across the question of a DNAME record and whether it could be used to redirect a website. I was not aware of a DNAME record type in DNS so I went looking. It’s a mapping comparable to a CNAME but more broad.