Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

solartour.org

2019 Washington DC Solar Tour of Homes

Page Load Speed

493 ms in total

First Response

75 ms

Resources Loaded

286 ms

Page Rendered

132 ms

About Website

Visit solartour.org now to see the best up-to-date Solar Tour content and also check out these interesting facts you probably never knew about solartour.org

24th Annual Washington Metropolitan Tour of Solar Homes

Visit solartour.org

Key Findings

We analyzed Solartour.org page load time and found that the first response time was 75 ms and then it took 418 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

solartour.org performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

solartour.org

75 ms

tour_styles.css

59 ms

edge_energy_banner.jpg

81 ms

nav_about_off.jpg

69 ms

nav_tour_guides_off.jpg

49 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that all of those requests were addressed to Solartour.org and no external sources were called. The less responsive or slowest element that took the longest time to load (158 ms) belongs to the original domain Solartour.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.1 kB (1%)

Content Size

777.5 kB

After Optimization

767.4 kB

In fact, the total size of Solartour.org main page is 777.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 765.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 6.5 kB

  • Original 8.5 kB
  • After minification 6.4 kB
  • After compression 2.0 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. This page needs HTML code to be minified as it can gain 2.1 kB, which is 25% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 6.5 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 414 B

  • Original 765.2 kB
  • After minification 764.8 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. Solar Tour images are well optimized though.

CSS Optimization

-86%

Potential reduce by 3.3 kB

  • Original 3.8 kB
  • After minification 3.1 kB
  • After compression 523 B

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. Solartour.org needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Solar Tour. According to our analytics all requests are already optimized.

Accessibility Review

solartour.org accessibility score

93

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

solartour.org best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

solartour.org SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • 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 Solartour.org 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 Solartour.org 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

Open Graph description is not detected on the main page of Solar Tour. 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: