Gaf.com Site Title

GAF Timberline Shingles & Roofing Materials | GAF Roofing

Gaf.com Meta Description

GAF Roofing shingles and roofing materials from North America’s largest roofing manufacturer. Roofing supplies, roof vents, asphalt, and membrane roofing.

Gaf.com Test Results

gaf.com Mobile Usability: 100/100


gaf.com Mobile Speed: 34/100

Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 1.5MiB (70% reduction).
Compressing http://www.gaf.com/_Images/intro_click_GlenwoodNEW3.jpg could save 302.7KiB (76% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
http://use.typekit.net/wyz4vie.js
...
Optimize CSS Delivery of the following:
http://www.gaf.com/Styles/Bootstrap.css?v=2K8n_bBcEHhQNODAGYqOkPLygsVgrsdWM7aQX-SzM-I1
...
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 107.2KiB (40% reduction).
Minifying http://www.gaf.com/Scripts/Core.js?v=rUE0NwF_BrkBjtAskT7oZ86r9mYlU1sQW5VfH4N1zPg1 could save 107.2KiB (40% reduction) after compression.
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://js.adsrvr.org/universal_pixel.1.1.1.js (expiration not specified)
...
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 4.8KiB (58% reduction).
Compressing https://js.adsrvr.org/up_loader.1.1.0.js could save 4.3KiB (59% reduction).
...
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 3.1KiB (22% reduction).
Minifying http://www.gaf.com/ could save 3.1KiB (22% reduction) after compression.
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 3KiB (27% reduction).
Minifying http://www.gaf.com/Styles/Main.css?v=aUBjhVMwsVLxfqmRfANl2i1tPvX0qhz2MnmMPq3sCXw1 could save 3KiB (27% reduction) after compression.

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