Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

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    SEO

photovoltaics.sandia.gov

Photovoltaics : Sandia Energy

Page Load Speed

5.7 sec in total

First Response

262 ms

Resources Loaded

4.9 sec

Page Rendered

515 ms

photovoltaics.sandia.gov screenshot

About Website

Click here to check amazing Photovoltaics Sandia content for United States. Otherwise, check out these important facts you probably never knew about photovoltaics.sandia.gov

Sandia has performed Photovoltaic R&D for over 40 years. In 1976, Sandia tested the performance and reliability of the first fielded terrestrial systems in the co-sponsored DOE-NASA-Jet Propulsion Lab...

Visit photovoltaics.sandia.gov

Key Findings

We analyzed Photovoltaics.sandia.gov page load time and found that the first response time was 262 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

photovoltaics.sandia.gov performance score

0

Network Requests Diagram

photovoltaics.sandia.gov

262 ms

2463 ms

wp-emoji-release.min.js

110 ms

button.css

105 ms

form.css

108 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Photovoltaics.sandia.gov, 86% (65 requests) were made to Energy.sandia.gov and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Energy.sandia.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (71%)

Content Size

3.0 MB

After Optimization

858.5 kB

In fact, the total size of Photovoltaics.sandia.gov main page is 3.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 279.5 kB

  • Original 338.8 kB
  • After minification 334.1 kB
  • After compression 59.2 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 279.5 kB or 83% of the original size.

Image Optimization

-21%

Potential reduce by 51.1 kB

  • Original 240.2 kB
  • After minification 189.2 kB

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, Photovoltaics Sandia needs image optimization as it can save up to 51.1 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 1.1 MB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 474.9 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 1.1 MB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 709.2 kB

  • Original 844.4 kB
  • After minification 722.9 kB
  • After compression 135.2 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. Photovoltaics.sandia.gov needs all CSS files to be minified and compressed as it can save up to 709.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 57 (77%)

Requests Now

74

After Optimization

17

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Photovoltaics Sandia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

SEO Factors

photovoltaics.sandia.gov SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Photovoltaics.sandia.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Photovoltaics.sandia.gov 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 data is detected on the main page of Photovoltaics Sandia. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: