Errors on the world’s top 100 websites and how to avoid them
Blog post from Rollbar
An examination of the top 100 websites according to Alexa's ranking reveals that even the most popular sites, such as Walmart.com, Buzzfeed.com, and CNN.com, experience various technical errors that can negatively impact user experience, data tracking, security, and revenue. Common errors identified include failed tracking pixels and ads, deprecated SSL certificates, CORS errors, MIME type mismatches, and non-unique IDs in HTML elements. These issues often arise from failed DNS resolutions, improperly set permissions, and outdated resource settings. While some sites, like Wikipedia and Reddit, stand out for having no homepage errors, others, such as HuffingtonPost.com and Twitch.tv, exhibit numerous problems. Monitoring tools such as Rollbar are recommended for businesses to identify and address these errors efficiently, ensuring optimal website performance and user satisfaction.
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