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PreFast(r) supplies DSA Pre-Approved, Permanent, High Performance Plantcrafted Buildings(r) to school districts and charter schools throughout California. Our prefabricated school buildings are predes...

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prefast.com

767 ms

www.prefast.com

9 ms

www.prefast.com

112 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Prefast.com and no external sources were called. The less responsive or slowest element that took the longest time to load (767 ms) belongs to the original domain Prefast.com.

Content Size

3.8 MB

After Optimization

1.4 MB

In fact, the total size of Prefast.com main page is 3.8 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-27%

Potential reduce by 81 B

Original 298 B
After minification 297 B
After compression 217 B

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 81 B or 27% of the original size.

Image Optimization

-64%

Potential reduce by 2.3 MB

Original 3.6 MB
After minification 1.3 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Pre Fast needs image optimization as it can save up to 2.3 MB or 64% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-56%

Potential reduce by 74.1 kB

Original 131.2 kB
After minification 127.7 kB
After compression 57.1 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 74.1 kB or 56% of the original size.

CSS Optimization

-17%

Potential reduce by 1.7 kB

Original 9.8 kB
After minification 9.8 kB
After compression 8.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Prefast.com needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 17% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Language and Encoding

Language Detected

Language Claimed

N/A

Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prefast.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Prefast.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

prefast.com

Open Graph description is not detected on the main page of Pre Fast. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: