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Squarespace: C-Grade Expires Headers for site speed

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On a pingdom.com check of a Squarespace site I'm noting they're grading 'C' for 'Expires Headers' - is there anything we can do with custom code injection to help raise the speed score?


Web pages are becoming increasingly complex with more scripts, style sheets, images, and Flash on them. A first-time visit to a page may require several HTTP requests to load all the components. By using Expires headers these components become cacheable, which avoids unnecessary HTTP requests on subsequent page views. Expires headers are most often associated with images, but they can and should be used on all page components including scripts, style sheets, and Flash.


Edited by willhowe
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The only real place you need to be looking that should be a concern is in Google Search Console under Core Web Vitals for your property. In some cases, low traffic sites, this information might not be present, but if you have some traffic and longevity it should be. It will tell you the pages that need to be treated.

Then you can install the lighthouse chrome extension and then enable this to run in incognito, to ensure no other extensions conflict with it.

You can also track this using GTM by doing some advanced scripting so you can view the data in Google Analytics alongside pages.

If using an online tool run at least three passes - like when testing your blood pressure ! - and take the average of the two as there are lots of network things that can get in the way of the data.

Hope that helps.


We provide digital marketing services for businesses that need exposure/sales from search and social media networks. We also build incredibly fast and well optimised multi-language Square Space websites.
Digital Marketing | Marketing Digitale

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