Tools & Wizards About Us
jdvos.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

jdvos.com

Home - Jacques de Vos - Underwater Photography & Media

Page Load Speed

4 sec in total

First Response

151 ms

Resources Loaded

3.2 sec

Page Rendered

694 ms

jdvos.com screenshot

About Website

Visit jdvos.com now to see the best up-to-date Jd Vos content and also check out these interesting facts you probably never knew about jdvos.com

Official page for award winning underwater photographer & cameraman Jacques de Vos. Features marine, freediving and travel related photography & video

Visit jdvos.com

Key Findings

We analyzed Jdvos.com page load time and found that the first response time was 151 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

jdvos.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value21.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,420 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value23.6 s

1/100

10%

Network Requests Diagram

jdvos.com

151 ms

jdvos.com

288 ms

layerslider.css

56 ms

style.min.css

114 ms

styles.css

159 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 77% of them (83 requests) were addressed to the original Jdvos.com, 6% (7 requests) were made to Fonts.gstatic.com and 5% (5 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Jdvos.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 481.8 kB (10%)

Content Size

5.0 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jdvos.com main page is 5.0 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. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 61.9 kB

  • Original 79.6 kB
  • After minification 77.7 kB
  • After compression 17.8 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 61.9 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 390.9 kB

  • Original 4.1 MB
  • After minification 3.8 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. Jd Vos images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 14.8 kB

  • Original 655.9 kB
  • After minification 655.9 kB
  • After compression 641.2 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

-9%

Potential reduce by 14.2 kB

  • Original 157.7 kB
  • After minification 157.7 kB
  • After compression 143.5 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. Jdvos.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 55 (62%)

Requests Now

89

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jd Vos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jdvos.com

jdvos.com

151 ms

jdvos.com

jdvos.com

288 ms

layerslider.css

layerslider.css

56 ms

style.min.css

style.min.css

114 ms

styles.css

styles.css

159 ms

settings.css

settings.css

161 ms

fontello.css

fontello.css

164 ms

rs6.css

rs6.css

166 ms

css

css

45 ms

css

css

47 ms

css

css

48 ms

font-awesome.min.css

font-awesome.min.css

167 ms

animate.min.css

animate.min.css

169 ms

elements.css

elements.css

211 ms

bootstrap.min.css

bootstrap.min.css

223 ms

style.css

style.css

271 ms

socials.css

socials.css

226 ms

dark.css

dark.css

227 ms

responsive.css

responsive.css

228 ms

admin-ajax.php

admin-ajax.php

2121 ms

js_composer.min.css

js_composer.min.css

339 ms

Defaults.css

Defaults.css

277 ms

jquery.min.js

jquery.min.js

351 ms

jquery-migrate.min.js

jquery-migrate.min.js

290 ms

layerslider.utils.js

layerslider.utils.js

379 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

387 ms

layerslider.transitions.js

layerslider.transitions.js

351 ms

rbtools.min.js

rbtools.min.js

396 ms

rs6.min.js

rs6.min.js

461 ms

waypoints.min.js

waypoints.min.js

406 ms

jquery.appear.js

jquery.appear.js

431 ms

api.js

api.js

43 ms

owl.carousel.css

owl.carousel.css

440 ms

fullscreen_background.css

fullscreen_background.css

449 ms

css

css

42 ms

hooks.min.js

hooks.min.js

459 ms

i18n.min.js

i18n.min.js

483 ms

index.js

index.js

494 ms

index.js

index.js

504 ms

comment-reply.min.js

comment-reply.min.js

511 ms

bootstrap.min.js

bootstrap.min.js

513 ms

jquery.fitvids.js

jquery.fitvids.js

536 ms

jquery-ui.min.js

jquery-ui.min.js

47 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

547 ms

jquery.isotope.js

jquery.isotope.js

509 ms

jquery.sticky.js

jquery.sticky.js

455 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

413 ms

jquery.parallax-1.1.3.js

jquery.parallax-1.1.3.js

433 ms

jquery.custom.js

jquery.custom.js

445 ms

jquery.superslides.js

jquery.superslides.js

453 ms

owl.carousel.js

owl.carousel.js

456 ms

js_composer_front.min.js

js_composer_front.min.js

457 ms

fullscreen_background.js

fullscreen_background.js

439 ms

akismet-frontend.js

akismet-frontend.js

435 ms

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1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrQVIT9d4cw.ttf

104 ms

analytics.js

analytics.js

96 ms

Original-TIFF-Colour.png

Original-TIFF-Colour.png

89 ms

slide8.jpg

slide8.jpg

60 ms

IMG_6920b-Final-smaller.jpg

IMG_6920b-Final-smaller.jpg

314 ms

pattern-black.png

pattern-black.png

112 ms

757A7987-smaller.jpg

757A7987-smaller.jpg

314 ms

orcab-1.jpg

orcab-1.jpg

348 ms

Sandy-Hill-smaller.jpg

Sandy-Hill-smaller.jpg

205 ms

humpback-final-1.jpg

humpback-final-1.jpg

318 ms

right.png

right.png

187 ms

left.png

left.png

232 ms

757A1146-smaller.jpg

757A1146-smaller.jpg

123 ms

plus.png

plus.png

272 ms

empty.png

empty.png

272 ms

blog-smaller-low-res.jpg

blog-smaller-low-res.jpg

123 ms

me.jpg

me.jpg

184 ms

dslr-housing-new.jpg

dslr-housing-new.jpg

186 ms

shark-final-1-of-1b.jpg

shark-final-1-of-1b.jpg

186 ms

ikelite-final.png

ikelite-final.png

309 ms

alchemy.png

alchemy.png

318 ms

atn-logo-slog-1.png

atn-logo-slog-1.png

360 ms

FDI.png

FDI.png

365 ms

steiner-5600-1.png

steiner-5600-1.png

365 ms

Nimia-R-M-Badge.png

Nimia-R-M-Badge.png

370 ms

757A1115.jpg

757A1115.jpg

185 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYCSUhiCnAw.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYCSUhiCnAw.ttf

63 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYCSUhiCnAw.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYCSUhiCnAw.ttf

132 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9osUZiYCSUhiCnAw.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9osUZiYCSUhiCnAw.ttf

137 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

377 ms

759856400

759856400

258 ms

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118566109

268 ms

757A8232.jpg

757A8232.jpg

152 ms

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258293242

331 ms

Original-TIFF-Colour.png

Original-TIFF-Colour.png

321 ms

recaptcha__en.js

recaptcha__en.js

153 ms

collect

collect

90 ms

blog-smaller-low-res.jpg

blog-smaller-low-res.jpg

292 ms

757A1146-smaller.jpg

757A1146-smaller.jpg

350 ms

me.jpg

me.jpg

239 ms

dslr-housing-new.jpg

dslr-housing-new.jpg

242 ms

757A1115.jpg

757A1115.jpg

316 ms

shark-final-1-of-1b.jpg

shark-final-1-of-1b.jpg

285 ms

js

js

107 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYCSUhiCnAw.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYCSUhiCnAw.ttf

76 ms

757A8232.jpg

757A8232.jpg

324 ms

left-litle.png

left-litle.png

247 ms

right-litle.png

right-litle.png

248 ms

fallback

fallback

21 ms

fallback__ltr.css

fallback__ltr.css

4 ms

css

css

19 ms

logo_48.png

logo_48.png

11 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

5 ms

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KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

4 ms

Accessibility Review

jdvos.com accessibility score

80

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

jdvos.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

jdvos.com SEO score

93

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

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

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 Jdvos.com 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 Jdvos.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

jdvos.com

Open Graph data is detected on the main page of Jd Vos. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: