Tools & Wizards About Us
nationalgeographicexpeditions.nl screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

nationalgeographicexpeditions.nl

National Geographic Expeditions - Travel the world with National Geographic

Page Load Speed

1.9 sec in total

First Response

14 ms

Resources Loaded

1.5 sec

Page Rendered

371 ms

nationalgeographicexpeditions.nl screenshot

About Website

Visit nationalgeographicexpeditions.nl now to see the best up-to-date National Geographic Expeditions content and also check out these interesting facts you probably never knew about nationalgeographicexpeditions.nl

National Geographic Expeditions offer adventure travel with our range of small group and private tours, small ship expedition cruises, river and private jet adventures.

Visit nationalgeographicexpeditions.nl

Key Findings

We analyzed Nationalgeographicexpeditions.nl page load time and found that the first response time was 14 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

nationalgeographicexpeditions.nl performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

Network Requests Diagram

nationalgeographicexpeditions.nl

14 ms

www.nationalgeographicexpeditions.eu

849 ms

gtm.js

384 ms

styles20211229.css

20 ms

mediaelementplayer-legacy.min.css

53 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Nationalgeographicexpeditions.nl, 73% (29 requests) were made to Nationalgeographicexpeditions.eu and 8% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (849 ms) relates to the external source Nationalgeographicexpeditions.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 159.8 kB (18%)

Content Size

868.7 kB

After Optimization

708.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nationalgeographicexpeditions.nl main page is 868.7 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 374.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 75.0 kB

  • Original 92.8 kB
  • After minification 83.8 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 75.0 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 5 B

  • Original 374.5 kB
  • After minification 374.4 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. National Geographic Expeditions images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 81.7 kB

  • Original 339.5 kB
  • After minification 339.4 kB
  • After compression 257.8 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 81.7 kB or 24% of the original size.

CSS Optimization

-5%

Potential reduce by 3.2 kB

  • Original 62.0 kB
  • After minification 62.0 kB
  • After compression 58.8 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. Nationalgeographicexpeditions.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (45%)

Requests Now

33

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National Geographic Expeditions. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nationalgeographicexpeditions.nl

nationalgeographicexpeditions.nl

14 ms

www.nationalgeographicexpeditions.eu

www.nationalgeographicexpeditions.eu

849 ms

gtm.js

gtm.js

384 ms

styles20211229.css

styles20211229.css

20 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

53 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

57 ms

jquery.js

jquery.js

64 ms

jquery-migrate.min.js

jquery-migrate.min.js

60 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

83 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

59 ms

otSDKStub.js

otSDKStub.js

83 ms

alljava-Prod-20211117.js

alljava-Prod-20211117.js

80 ms

fng-algolia-20230123.js

fng-algolia-20230123.js

77 ms

jquery.lazyloadxt.min.js

jquery.lazyloadxt.min.js

75 ms

jquery.lazyloadxt.srcset.min.js

jquery.lazyloadxt.srcset.min.js

76 ms

jquery.lazyloadxt.extend.js

jquery.lazyloadxt.extend.js

79 ms

polyfill.min.js

polyfill.min.js

123 ms

algoliasearchLite.min.js

algoliasearchLite.min.js

78 ms

instantsearch.js@3.0.0

instantsearch.js@3.0.0

150 ms

expeditions.jpg

expeditions.jpg

374 ms

expeditions.jpg

expeditions.jpg

373 ms

icon-phone.svg

icon-phone.svg

76 ms

logo.svg

logo.svg

67 ms

menu.svg

menu.svg

48 ms

icon-search.svg

icon-search.svg

46 ms

icon-search-menu.svg

icon-search-menu.svg

47 ms

lazy_placeholder.gif

lazy_placeholder.gif

49 ms

newsletter-popup.jpg

newsletter-popup.jpg

238 ms

international-banner.jpg

international-banner.jpg

77 ms

group-44.svg

group-44.svg

63 ms

3a90eabd-b67d-4a87-a037-36e9dca5360a.json

3a90eabd-b67d-4a87-a037-36e9dca5360a.json

68 ms

icon-arrow-down.svg

icon-arrow-down.svg

196 ms

National-Geographic-Expeditions-popup.png

National-Geographic-Expeditions-popup.png

231 ms

GeographWeb-Regular.woff

GeographWeb-Regular.woff

232 ms

GeographWeb-Light.woff

GeographWeb-Light.woff

200 ms

GeographWeb-Bold.woff

GeographWeb-Bold.woff

199 ms

GeographWeb-Black.woff

GeographWeb-Black.woff

199 ms

location

location

267 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

147 ms

otBannerSdk.js

otBannerSdk.js

32 ms

Accessibility Review

nationalgeographicexpeditions.nl accessibility score

83

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 IDs are not unique

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

Image elements do not have [alt] attributes

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

nationalgeographicexpeditions.nl best practices score

83

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

Page has valid source maps

SEO Factors

nationalgeographicexpeditions.nl SEO score

71

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

High

robots.txt is not valid

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 Nationalgeographicexpeditions.nl 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 Nationalgeographicexpeditions.nl 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

nationalgeographicexpeditions.nl

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