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About Website

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Metro Electric, a full-service San Francisco Electrical Contractor since 1981, provides Electric, Communications, DAS and Wireless services to the greater Bay Area.

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metroelectric.com

205 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Metroelectric.com and no external sources were called. The less responsive or slowest element that took the longest time to load (205 ms) belongs to the original domain Metroelectric.com.

Content Size

3.7 MB

After Optimization

2.4 MB

In fact, the total size of Metroelectric.com main page is 3.7 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 11.2 kB

Original 18.2 kB
After minification 18.1 kB
After compression 7.0 kB

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 11.2 kB or 62% of the original size.

Image Optimization

-7%

Potential reduce by 150.3 kB

Original 2.0 MB
After minification 1.9 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. Metro Electric images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 872.1 kB

Original 1.3 MB
After minification 1.3 MB
After compression 452.1 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 872.1 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 271.8 kB

Original 320.8 kB
After minification 259.3 kB
After compression 48.9 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. Metroelectric.com needs all CSS files to be minified and compressed as it can save up to 271.8 kB or 85% 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

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Metroelectric.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 Metroelectric.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Metro Electric. 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: