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Intelligent Polypane Debugging Options I am Loving


I’m engaged on a refresh of my private web site, what I’m calling the HD remaster. Properly, I wouldn’t name it a “full” redesign. I’m simply cleansing issues up, and Polypane is coming in clutch. I wrote about how a lot I get pleasure from creating with Polypane on my private weblog again in March 2023. In there, I say that I uncover new issues each time I open the browser up and I’m right here to say that’s nonetheless occurring as of August 2024.

Polypane, in case you’re unfamiliar with it, is an online browser particularly created to assist builders in all types of various methods. The obvious characteristic is the a number of panes displaying your undertaking in numerous viewport sizes:

Polypane browser displaying ryantrimble.com in three different viewport sizes simultaneously

I’m not about to attempt to record each characteristic accessible in Polypane; I’ll go away that to buddy and creator, Kilian Valkhof. As a substitute, I wish to discuss a neat characteristic that I found lately.

Define tab

Inside Polypane’s sidebar, you will see numerous tabs that present totally different bits of details about your website. For instance, in case you are questioning how your social media previews will search for your newest weblog put up, Polypane has you coated within the Meta tab.

Preview card displaying how open graph information will display on Mastodon.

The tab I wish to deal with although, is the Define tab. On the floor, it appears fairly simple, Polypane scans the web page and offers you outlines for headings, landmarks, hyperlinks, photographs, focus order, and even the total web page accessibility tree.

Polypane sidebar, outline tab, the view select options display the different views available: Headings, Landmarks, Links, Images, Focus order, and Accessibility Tree

Seeing your web page this fashion helps you notice some fairly apparent errors, however Polypane doesn’t cease there. Checking the Present points possibility will level out among the not-so-obvious issues.

Polypane sidebar, outline tab, Landsmarks view, the "Show issues" option is enabled. In the outline, red text describes an error: Multiple banner elements at the same level found.

Within the Landmarks view, there’s an choice to Present potentials as properly, which shows components that would doubtlessly be web page landmarks.

Polypane sidebar, Outline tab, Landmark view - the outline displays a red symbol indicating a potential landmark element

In these define views, you can also present an overlay on the web page and spotlight the place issues are positioned.

Polypane laptop viewport view of ryantrimble.com, the landmark overlay feature is enabled, which outlines landmark elements in blue while also displaying their value

Now, the rationale I even stumbled upon these options inside the Define tab is because of a bug I used to be monitoring down, one particularly associated to focus order. So, I swapped over to the “Focus order” define to examine issues additional.

Polypane sidebar, outline tab, Focus order view, displays an outline of the focusable elements on the page

That’s after I seen the choice to see an overlay for the main target order.

Polypane laptop view with focus order overlay enabled, displays guide lines marking the location of each focusable items

This offers a literal map of the main target order of your web page. I discovered this to be extremely helpful whereas troubleshooting the bug, in addition to a good way to visualise how somebody would possibly navigate your web site utilizing a keyboard.

These kind of seemingly small, however helpful options are ample all through Polypane.

Superb instrument

Once I reached out to Kilian, mentioning my discovery, his response was “Every part’s there whenever you want it!”

I can vouch for that.

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