Blit is a tool that lets you take screenshots of websites on a schedule. Try it free.

Customers sometimes ask us how to include a timestamp in the capture, or the URL of the web page captured. This can be done by injecting Javascript into the target page, to add the timestamp and URL directly on the page.

In your capture, under Advanced Web Page Options, click on Edit Javascript. You can add the code below:

(function() {
  var d = new Date();

  var date = d.toLocaleString("en-US", {
    timeZone: "America/New_York" 
  });

  var div = document.createElement("div");
  var style = document.createAttribute("style");
  style.value = "position: fixed; width: auto; height: 40px;  top: 0; left: 0; right: 0; bottom: 0; background-color: White; z-index: 9999999999; color: Black; font-size: 12px;";
  div.setAttributeNode(style);  

  div.innerHTML = date + "<br>" + document.location.href;

  document.body.append(div);
})();

This adds a a DIV, 40px high (height: 40px), with a white background (background-color: White) and black font (color: Black; font-size: 12px;). To ensure the DIV is at the forefront of the page, we add a high z-index (z-index: 9999999999). This DIV is placed at the top left corner of the page (top: 0; left: 0;).

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June 13, 2022

We added a new type of schedule: time period. This allows you to schedule captures from one day (start date) to another (end date). This is great to capture temporary pages that may exist for a few days or weeks only.

This new option is available under Capture Schedule. It can be combined with specific days of the week.

New time period schedule

If enabled, the time period will show in the capture summary:

New time period schedule

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June 12, 2022

We have added the Brave browser to the list of browsers available for all captures. Brave Browser is a modified version of Chromium, the open-source version of Chrome, with privacy protection such as ad blocker, tracking blocker and anti-fingerprint solution.

You can capture websites to check how they look with an ad-blocker or some third-party tracking disabled.

We have done a screenshot of https://d3ward.github.io/toolz/adblock.html, a page that tests your browser’s ability to block various ads, analytics and other tracking tools. You can see that Brave blocks most of these sites (around 90%) whereas Chrome blocks none of them.

Like other Chrome-based desktop and mobile browsers, Brave supports the dark mode we introduced last year.

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February 25, 2022

We have added the iPhone 12 as a browser, in addition to the existing iPhone 5. We also made a number of improvements to both mobile browsers, including better support for mobile-only Javascript API.

The iPhone 12 has a native resolution of 320px by 480px, the iPhone 12 is 390px by 844px.

Blitapp on iPhone 12

The iPhone 12 also supports the dark mode we introduced earlier.

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April 25, 2021

You can now enable the dark mode in Chrome or iPhone. This changes the rendering of the page by switching the white background by black, for example.

To enable dark mode, open the Advanced Web Page Options. Then change Dark Mode from No to Yes.

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April 21, 2021
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