Tools & Wizards About Us
volcanodiscovery.com screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

volcanodiscovery.com

VolcanoDiscovery: Volcanoes Worldwide - News, Info, Photos, and Tours to Volcanoes and Volcanic Areas, Earthquake Information

Page Load Speed

2.1 sec in total

First Response

196 ms

Resources Loaded

1.4 sec

Page Rendered

425 ms

volcanodiscovery.com screenshot

About Website

Click here to check amazing Volcano Discovery content for United States. Otherwise, check out these important facts you probably never knew about volcanodiscovery.com

Overview of our website: 1) Info about all active volcanoes in the world; 2) Volcano photos; 3) Earthquake information; 4) Tours and expeditions to active volcanoes, walking and study holidays in volc...

Visit volcanodiscovery.com

Key Findings

We analyzed Volcanodiscovery.com page load time and found that the first response time was 196 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

volcanodiscovery.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value750 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

volcanodiscovery.com

196 ms

www.volcanodiscovery.com

82 ms

white_42.css

67 ms

adsbygoogle.js

6 ms

tp102.js

164 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Volcanodiscovery.com, 36% (33 requests) were made to Ww2.volcanodiscovery.com and 21% (19 requests) were made to Static.volcanodiscovery.com. The less responsive or slowest element that took the longest time to load (613 ms) relates to the external source Static.xx.fbcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 268.8 kB (41%)

Content Size

654.4 kB

After Optimization

385.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Volcanodiscovery.com main page is 654.4 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. 65% of websites need less resources to load. Images take 316.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 43.7 kB

  • Original 57.1 kB
  • After minification 56.6 kB
  • After compression 13.5 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 43.7 kB or 76% of the original size.

Image Optimization

-12%

Potential reduce by 36.8 kB

  • Original 316.1 kB
  • After minification 279.4 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, Volcano Discovery needs image optimization as it can save up to 36.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 162.4 kB

  • Original 248.2 kB
  • After minification 248.0 kB
  • After compression 85.8 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 162.4 kB or 65% of the original size.

CSS Optimization

-79%

Potential reduce by 26.0 kB

  • Original 32.9 kB
  • After minification 30.7 kB
  • After compression 6.9 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. Volcanodiscovery.com needs all CSS files to be minified and compressed as it can save up to 26.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (33%)

Requests Now

86

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Volcano Discovery. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

volcanodiscovery.com

volcanodiscovery.com

196 ms

www.volcanodiscovery.com

www.volcanodiscovery.com

82 ms

white_42.css

white_42.css

67 ms

adsbygoogle.js

adsbygoogle.js

6 ms

tp102.js

tp102.js

164 ms

afr_eth_03a.jpg

afr_eth_03a.jpg

97 ms

widget2.aspx

widget2.aspx

181 ms

book-180.jpg

book-180.jpg

80 ms

tours-180-2.jpg

tours-180-2.jpg

81 ms

cotopaxi180.jpg

cotopaxi180.jpg

139 ms

346fece61d.jpg

346fece61d.jpg

80 ms

volcanomap180.jpg

volcanomap180.jpg

139 ms

volcano-photos-180_01.jpg

volcano-photos-180_01.jpg

79 ms

earthquake-info180.jpg

earthquake-info180.jpg

168 ms

7640c87cc7.jpg

7640c87cc7.jpg

167 ms

e50d56b6b0.jpg

e50d56b6b0.jpg

166 ms

b2abf1402c.jpg

b2abf1402c.jpg

163 ms

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6a76646ab7.jpg

167 ms

885d6958eb.jpg

885d6958eb.jpg

165 ms

08e281d20d.jpg

08e281d20d.jpg

191 ms

281c6fd6e7.jpg

281c6fd6e7.jpg

191 ms

4138c85fbc.jpg

4138c85fbc.jpg

190 ms

volcanoes-az-180_01.jpg

volcanoes-az-180_01.jpg

190 ms

webcams.jpg

webcams.jpg

198 ms

imagepool180.jpg

imagepool180.jpg

190 ms

pic_i0656.jpg

pic_i0656.jpg

212 ms

pic_semeru_53206.jpg

pic_semeru_53206.jpg

210 ms

pic_etn_co1.jpg

pic_etn_co1.jpg

209 ms

pic_d2469.jpg

pic_d2469.jpg

211 ms

picto_VAN_NCT_01.jpg

picto_VAN_NCT_01.jpg

211 ms

pic_colima.jpg

pic_colima.jpg

227 ms

pic_i0656_01.jpg

pic_i0656_01.jpg

228 ms

nyiragongo180.jpg

nyiragongo180.jpg

229 ms

bd11fa0b48.jpg

bd11fa0b48.jpg

230 ms

felt-it-180.jpg

felt-it-180.jpg

230 ms

tours-180-2_01.jpg

tours-180-2_01.jpg

231 ms

logo_back.png

logo_back.png

60 ms

logo_180-3.png

logo_180-3.png

59 ms

search.png

search.png

71 ms

plus-font.png

plus-font.png

73 ms

minus-font.png

minus-font.png

71 ms

loading.gif

loading.gif

71 ms

feed-icon-14x14.png

feed-icon-14x14.png

129 ms

8.png

8.png

130 ms

flags.png

flags.png

157 ms

fb16.png

fb16.png

155 ms

twitter16.png

twitter16.png

158 ms

plusgoogle16.png

plusgoogle16.png

158 ms

youtube16.png

youtube16.png

154 ms

destmap.png

destmap.png

157 ms

app90.jpg

app90.jpg

183 ms

clear.gif

clear.gif

183 ms

ca-pub-3740653521982427.js

ca-pub-3740653521982427.js

125 ms

zrt_lookup.html

zrt_lookup.html

150 ms

show_ads_impl.js

show_ads_impl.js

58 ms

ads

ads

162 ms

osd.js

osd.js

35 ms

ads

ads

175 ms

like.php

like.php

186 ms

widgets.js

widgets.js

30 ms

plusone.js

plusone.js

133 ms

randompics.htm

randompics.htm

60 ms

m_js_controller.js

m_js_controller.js

64 ms

abg.js

abg.js

82 ms

ads

ads

202 ms

vpc6VNjRPXV.js

vpc6VNjRPXV.js

549 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

613 ms

button.831500944bc3eb7ea5276ccdc3f71d2e.js

button.831500944bc3eb7ea5276ccdc3f71d2e.js

90 ms

424a00910d.jpg

424a00910d.jpg

72 ms

bb6334b9aa.jpg

bb6334b9aa.jpg

70 ms

5b6f9c13e7.jpg

5b6f9c13e7.jpg

70 ms

favicon

favicon

150 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

137 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

56 ms

s

s

41 ms

x_button_blue2.png

x_button_blue2.png

28 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

49 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

70 ms

fastbutton

fastbutton

110 ms

tweet_button.6a78875565a912489e9aef879c881358.en.html

tweet_button.6a78875565a912489e9aef879c881358.en.html

16 ms

postmessageRelay

postmessageRelay

53 ms

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

22 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

44 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

15 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

99 ms

api.js

api.js

87 ms

core:rpc:shindig.random:shindig.sha1.js

core:rpc:shindig.random:shindig.sha1.js

98 ms

2536007149-postmessagerelay.js

2536007149-postmessagerelay.js

72 ms

jot

jot

99 ms

GetWidget.aspx

GetWidget.aspx

96 ms

ui

ui

38 ms

Accessibility Review

volcanodiscovery.com accessibility score

68

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

volcanodiscovery.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

volcanodiscovery.com SEO score

76

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Volcanodiscovery.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 Volcanodiscovery.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

volcanodiscovery.com

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