Shiny app with malformed HTML ui

app.R

library(shiny)

ui <- fluidPage(
    titlePanel("Shiny App with Malformed HTML"),
    sidebarLayout(
        sidebarPanel(
            sliderInput("bins",
                        "Number of bins:",
                        min = 1,
                        max = 50,
                        value = 30)
        ),
        mainPanel(
            tags$p("This app is like any other, except it contains malformed HTML. It's for testing shinyloadtest and shinycannon."),
            plotOutput("distPlot"),
            HTML('<blink')
        )
    )
)

server <- function(input, output) {
    output$distPlot <- renderPlot({
        x    <- faithful[, 2]
        bins <- seq(min(x), max(x), length.out = input$bins + 1)
        hist(x, breaks = bins, col = 'darkgray', border = 'white')
    })
}

shinyApp(ui = ui, server = server)