Why your website shows a blank page (and how to fix it)
Find out what causes a blank page on your website, what to do about it and how to catch it faster next time – so you can fix it before visitors are affected.
Jelle Kalkman - 5 June 2025
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Find out what causes a blank page on your website, what to do about it and how to catch it faster next time – so you can fix it before visitors are affected.
Jelle Kalkman - 5 June 2025
In Semonto, you can select which team members must receive an e-mail when a website or server has issues. The way to do this just got easier.
Jelle De Laender - 24 April 2025
“Let’s improve the website.” It’s a demand you might get from your clients or your superiors. But how do you get started? The most efficient way to improve the health of your website is by first performing a website audit.
Jelle De Laender - 5 March 2025
In Semonto, you can now cross broken links off your to-do list after you have fixed them. This helps you keep track of the improvements you have made.
Laurien Hart - 4 February 2025
On June 4, 2025, Let's Encrypt will stop sending emails when a certificate is about to expire. Here's what you should know about it and what you can do to stay on top of your website.
Jelle De Laender - 23 January 2025
We added another way to get notified whenever website or server issues occur: Microsoft Teams notifications. In addition to email, text message, voicemail, push notification, and Slack notifications, you can now also have Semonto deliver a message to your favourite Teams channel or group chat.
Laurien Hart - 20 January 2025
You can now add your company logo, name, and URL to our white-label website performance report. These personalisation options allow you to present branded performance reports in your name to third parties.
Jelle Kalkman - 6 December 2024
The EAA Accessibility Act is a European directive that will come into force in June 2025. By then, European websites must be accessible to everyone, including people with disabilities. Find out how you can check and improve your website now to avoid penalties later.
Jelle De Laender - 28 November 2024
If you receive too many notifications, you will start to ignore them. Here are 4 strategies to help you receive fewer—but better—notifications when monitoring your website.
Jelle De Laender - 31 October 2024
Are you still performing Lighthouse checks manually? Then, you will be happy to know that Semonto can now take this task off your hands. Introducing: Lighthouse monitoring.
Jelle De Laender - 3 October 2024
Every web developer and digital agency can benefit from performing website audits and offering performance reports. But when and how should you use them? Here’s the answer in a nutshell.
Jelle De Laender - 19 September 2024
We are proud to announce that today, we released our plugin for CraftCMS.
Jelle De Laender - 1 August 2024
This article contains everything you ever wanted to know about 404 pages: what the 404 error means, how to improve your 404 page, and how to avoid 404 errors on your website.
Jelle De Laender - 16 July 2024
It’s not enough to improve your 404 page. Real website professionals care the most about preventing these 404 errors on your website altogether. In this article, we show you how to do just that.
Jelle De Laender - 15 July 2024
Website visitors will bump into a 404 page when the page they are trying to access does not exist. That’s not a pleasant experience. Discover 6 ways to turn this frustration around with useful and clever ways to improve your 404 page.
Jelle De Laender - 12 July 2024
Have you ever wondered what the numbers in a 404 error message mean? In this article, we explain in plain language what a 404 error is and what it tells you about the status of the website you are trying to visit.
Jelle De Laender - 11 July 2024
Semonto now shows you the IP address of your server in the test results. This allows you to quickly identify which server is in trouble.
Jelle De Laender - 27 June 2024
In some cases, you may want to decrease the crawling speed of your website monitor. In Semonto, you can now adjust this setting.
Jelle De Laender - 6 June 2024
We have recently released a new feature in Semonto: domain monitoring. In this article, we explain what domain monitoring is, why you need it and how it works. Let’s dive in!
Jelle De Laender - 21 March 2024
No, this is not another announcement by a SaaS tool to announce a pricing increase. In fact, most customers will notice a slight price reduction. Find out why we changed our pricing and what it means for your subscription.
Jelle De Laender - 12 February 2024
These days, creating beautiful websites and apps is not enough. You also have to keep them up and running. We asked digital agency PandaPanda how they use monitoring to make sure that their products stand the test of time.
Jelle De Laender - 17 January 2024
How important is your website when you have a design furniture company? Kevin Van den Broeck, CEO of design furniture store Decomundo, explains how he keeps his website up and running
Kathy Salden - 24 August 2023
We don’t need to tell you how important it is for your website health to have a valid SSL certificate. That is why, by default, Semonto lets you know when a certificate is in trouble or about to expire. But today, we are taking it one step further.
Jelle De Laender - 13 July 2023
Your code tells your website what to do. If these instructions are flawed, the website can stop working correctly or even go offline. Here are some examples of how poorly written code can harm your website and how to avoid the top 7 coding mistakes.
Jelle Kalkman - 15 June 2023
What would you do if you needed help and no one was around? That question led to the creation of Mindme - a UK-based company producing wearable personal alarm devices that allow users to get help quickly when they are alone. In this interview, co-owner Simon Wolf explains why he uses Semonto.
Jelle De Laender - 17 May 2023
More and more marketing professionals are discovering the benefits of website monitoring. Find out how Semonto can save you time as an SEO consultant.
Kathy Salden - 19 April 2023
Can you use Google Search Console to find broken links on your website? Yes and no. In this article, we explain why Google Search Console is not sufficient to keep your website free from broken links and what you should do instead.
Jelle De Laender - 22 March 2023
Have you noticed that we updated our monthly e-mail update? It now includes a printable PDF report. And in the Semonto dashboard, you can now combine multiple monitors into one clean PDF report for any month you want.
Kathy Salden - 23 February 2023
Did you know that Semonto can help you to automate your incident escalation? In this article, we show you how.
Jelle De Laender - 23 January 2023
In Semonto, you can define how long an issue is allowed to persist before you want to be alerted. You can also create an escalation system, so that different people get notified depending on the duration of the issue.
Jelle De Laender - 23 December 2022
We asked ChatGPT, an AI tool by OpenAI, why monitoring the uptime, broken links, HTTPS TLS certificate and mixed content of websites are important
ChatGPT - 11 December 2022
Some users have told us that they would like to manage notifications on a feature level in Semonto. We have been working hard to make that possible.
Jelle Kalkman - 1 December 2022
Can your website handle the Black Friday and Cyber Monday madness? With this checklist, your website is ready for a possible peak in traffic.
Jelle De Laender - modified 11 November 2022
Is your business impacted when your website is temporarily unavailable? In this article, we help you calculate your total cost of downtime.
Jelle Kalkman - 3 November 2022
What is hosting? Who is responsible for your hosting? And how can you measure the quality? In this article, we answer all hosting-related questions.
Jelle De Laender - 20 October 2022
We have added a chart that shows you the evolution of the number of broken links on your website in the last 30 days.
Jelle De Laender - 14 October 2022
We all use online services in our daily lives, for example for online shopping, filling out tax returns or checking health insurance. When we do, sensitive personal information is sent back and forth. That is why online security is so important. One easy way to increase the security of your website as a provider is to set up security headers.
Jelle Kalkman - 8 September 2022
Attracting new clients is more important than ever. So companies invest more in sales, SEO and marketing. But what if the visitors you attract leave your website immediately? Find out what you should be checking instead.
Jelle De Laender - 19 August 2022
What if you could perform a website audit and receive the performance results in a PDF report? In this article, we'll show you how it's done.
Jelle De Laender - 17 June 2022
Your uptime percentage indicates how long your website was available without any interruption. Find out in this article why you should care.
Jelle De Laender - modified 5 May 2022
In our previous blog post, we showed you how Semonto can watch for certain phrases on web pages. In part 2, we give you even more time-saving hacks using this content monitoring feature.
Jelle Kalkman - 24 March 2022
As of today, you can receive Semonto notifications straight in your favourite Slack channel.
Jelle De Laender - 9 March 2022
Semonto has a feature called content monitoring, which enables you to watch for certain phrases on web pages. In this article, we explain how you can use that to your advantage.
Jelle Kalkman - 24 February 2022
Are you sure that all links on your website are working? When was the last time you tested them? Did you know that you can automate this test? Check out this article for more information on how you can do this.
Kathy Salden - modified 20 January 2022
In Semonto, you can now choose how you want to be alerted of detected issues, and then reuse those settings by marking them as default.
Jelle De Laender - 20 December 2021
Semonto started out as an uptime monitoring tool. But, at the request of the web developers in our community, we recently added broken link monitoring to our features. Find out why this matters to web developers and why Semonto is better than other broken link checkers out there.
Jelle De Laender - 14 October 2021
A status page is a web page that shows the current status of a service. But when you add broken links and mixed content to the page, it really gets interesting.
Kathy Salden - 2 September 2021
We asked Ivo, a web developer who frequently uses Semonto, to explain how he monitors the websites he builds for his clients and whether he can share some helpful monitoring hacks for other website developers like himself.
Jelle De Laender - 19 May 2021
Every website will run pretty smoothly for the first year or so. But just like a car, it will start to fall apart over time if you do not give it a regular check-up. At Coding Mammoth, we have created 4 free tools to check the health of your website. In the following sections, we will explain what these checks are, why they are important and how you can use them for free.
Jelle De Laender - 19 April 2021
Semonto is great for monitoring websites and webshops' availability and reachability and for locating mixed content and broken links. But Semonto can also be used to deeply monitor custom web applications like MijnLijn.
Jelle De Laender - 7 April 2021
We have added a new alert option to Semonto. You can now get notified by voice message whenever something is wrong with your website or server.
Jelle De Laender - 2 November 2020
Good news for Android users! Our Semonto uptime notification app is now available in Google Play for you to download.
Jelle De Laender - 19 October 2020
Securing your website via HTTPS is a must. It increases the security and trust level for your customers and website visitors. But because HTTPS uses SSL certificates, your website becomes more sensitive to configuration errors that can bring your entire site down. With Semonto HTTPS monitoring, you will never miss an expired or revoked certificate or a broken SSL chain again.
Jelle De Laender - 23 June 2020
Especially now, with a lot of people working from home, the internet can get a bit overloaded. However, you still want your website to load fast because increased loading times have a negative effect on your bounce rate. In this blog, we discuss some tools and techniques to speed up your site and to reduce the network impact of your website on the internet.
Jelle Kalkman - 1 May 2020
What is HTTPS and why is it important? A lot of people think that HTTPS only adds value if your website is a bank tool or if it contains sensitive data. Don't be fooled. HTTPS should be enabled on all websites. That means that you need it, too. Why? Read all about it in this article.
Jelle De Laender - 31 March 2020
Om ondernemingen die getroffen zijn door de coronacrisis te ondersteunen bieden we Semonto gratis 4 maanden aan. We houden de webshop nauwlettend in de gaten en verwittigen bij de eerste problemen, zodat de ondernemer zich kan focussen op zijn bedrijf.
Jelle De Laender - 24 March 2020
All entrepreneurs are feeling the impact of the coronavirus. Your online presence is more important than ever. Find out what you can do today.
Kathy Salden - 16 March 2020
We added a feature that allows you to give your team members access to your Semonto account without having to share your own login and password.
Jelle Kalkman - 09 March 2020
Last January, LinkedIn was down for three hours, and users were anxiously waiting for updates. What can we learn from this incident? Find out in this blog.
Kathy Salden - 11 February 2020
Will technical problems affect your position in Google? Is downtime bad for your SEO? Discover how downtime affects your search ranking.
Kathy Salden - 14 January 2020
Is your website down? There are some things you can do to figure out what is going on. In this blog, we will take you through the process step by step.
Jelle De Laender - 10 December 2019
Every month, we send you an overview of the sites you are monitoring with Semonto. From now on, for a better readability of the report we will organize monitors by group and add a performance preview for each monitor.
Kathy Salden - 26 November 2019
We made some major changes to how to configure how Semonto warns you when issues arise. These configurations are now much easier to reuse and adapt for multiple monitors and pulsechecks.
Jelle Kalkman - 15 October 2019
With this version we added logs to the uptime reports and improved the details of individual test results.
Jelle Kalkman - 16 February 2019