Tools & Wizards About Us
debarel.com screenshot

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

debarel.com

The Black Swan Blog

Page Load Speed

556 ms in total

First Response

15 ms

Resources Loaded

541 ms

Page Rendered

0 ms

debarel.com screenshot

About Website

Welcome to debarel.com homepage info - get ready to check Debarel best content right away, or after learning these important things about debarel.com

Visit debarel.com

Key Findings

We analyzed Debarel.com page load time and found that the first response time was 15 ms and then it took 541 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

debarel.com performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

debarel.com

15 ms

410 ms

style.css

6 ms

style.min.css

8 ms

style.min.css

6 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 93% of them (50 requests) were addressed to the original Debarel.com, 4% (2 requests) were made to Pagead2.googlesyndication.com and 2% (1 request) were made to Theblackswanblog.com. The less responsive or slowest element that took the longest time to load (410 ms) belongs to the original domain Debarel.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 678.7 kB (23%)

Content Size

2.9 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Debarel.com main page is 2.9 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. 65% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 101.1 kB

  • Original 138.4 kB
  • After minification 130.9 kB
  • After compression 37.3 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 101.1 kB or 73% of the original size.

Image Optimization

-22%

Potential reduce by 577.1 kB

  • Original 2.6 MB
  • After minification 2.1 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, Debarel needs image optimization as it can save up to 577.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 137 B

  • Original 146.3 kB
  • After minification 146.3 kB
  • After compression 146.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 443 B

  • Original 16.4 kB
  • After minification 16.4 kB
  • After compression 16.0 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. Debarel.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (22%)

Requests Now

49

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Debarel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

debarel.com

debarel.com

15 ms

410 ms

style.css

style.css

6 ms

style.min.css

style.min.css

8 ms

style.min.css

style.min.css

6 ms

pvc.min.css

pvc.min.css

10 ms

jquery.min.js

jquery.min.js

12 ms

jquery-migrate.min.js

jquery-migrate.min.js

11 ms

underscore.min.js

underscore.min.js

21 ms

backbone.min.js

backbone.min.js

23 ms

pvc.backbone.min.js

pvc.backbone.min.js

25 ms

sun_mine_tracking.png

sun_mine_tracking.png

51 ms

geoexchange1.png

geoexchange1.png

38 ms

geoexchange2.png

geoexchange2.png

39 ms

bg.gif

bg.gif

20 ms

wrapper.gif

wrapper.gif

21 ms

header.gif

header.gif

21 ms

content.gif

content.gif

22 ms

deco.gif

deco.gif

20 ms

2019_ren21_graphic.png

2019_ren21_graphic.png

22 ms

ajax-loader-2x.gif

ajax-loader-2x.gif

20 ms

perma.gif

perma.gif

21 ms

comments.gif

comments.gif

22 ms

2018_german_generation-300x300.png

2018_german_generation-300x300.png

23 ms

2018_german_co2.png

2018_german_co2.png

22 ms

german_import_export.png

german_import_export.png

23 ms

pinocchio.png

pinocchio.png

30 ms

show_ads.js

show_ads.js

25 ms

interactivity.min.js

interactivity.min.js

11 ms

view.min.js

view.min.js

8 ms

site_c.png

site_c.png

22 ms

big_eddy_dam.png

big_eddy_dam.png

18 ms

amortization.png

amortization.png

21 ms

cornalvo_dam.png

cornalvo_dam.png

34 ms

sitec_lcoe.png

sitec_lcoe.png

23 ms

german_solar_additions.png

german_solar_additions.png

33 ms

2017_oahu_solar_permits.png

2017_oahu_solar_permits.png

34 ms

urban_blackout.jpg

urban_blackout.jpg

35 ms

twitter.png

twitter.png

33 ms

site_c_equivalents.png

site_c_equivalents.png

8 ms

2015_renewable_consumption.png

2015_renewable_consumption.png

8 ms

oil_production_forecast.png

oil_production_forecast.png

7 ms

ghostbusters.png

ghostbusters.png

10 ms

sidebar.gif

sidebar.gif

7 ms

sidebar2.gif

sidebar2.gif

8 ms

sidebar-bottom.gif

sidebar-bottom.gif

10 ms

sidebar-top.gif

sidebar-top.gif

6 ms

bullet.gif

bullet.gif

9 ms

debarel.com

debarel.com

3 ms

43 ms

adsbygoogle.js

adsbygoogle.js

50 ms

8 ms

footer.gif

footer.gif

8 ms

1311,1367,1406,1424,1478,1495,1501,1515,1529,1546

1311,1367,1406,1424,1478,1495,1501,1515,1529,1546

33 ms

Accessibility Review

debarel.com accessibility score

71

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

debarel.com best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

debarel.com SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Debarel.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 Debarel.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

debarel.com

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