Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

nationalgeographic.nl

National Geographic

Page Load Speed

4.8 sec in total

First Response

349 ms

Resources Loaded

3.6 sec

Page Rendered

826 ms

nationalgeographic.nl screenshot

About Website

Welcome to nationalgeographic.nl homepage info - get ready to check National Geographic best content for Netherlands right away, or after learning these important things about nationalgeographic.nl

Ontdek alles over wetenschap, dieren, geschiedenis & archeologie, reizen en natuur. Lees dagelijks nieuwe artikelen bij National Geographic.

Visit nationalgeographic.nl

Key Findings

We analyzed Nationalgeographic.nl page load time and found that the first response time was 349 ms and then it took 4.4 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

nationalgeographic.nl performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value11,310 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

nationalgeographic.nl

349 ms

www.nationalgeographic.nl

673 ms

screen.css

514 ms

require.js

80 ms

fonts.css

211 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 17% of them (20 requests) were addressed to the original Nationalgeographic.nl, 39% (47 requests) were made to Cdn.flashtalking.com and 16% (19 requests) were made to Static.nationalgeographic.nl. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Static.nationalgeographic.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 808.2 kB (27%)

Content Size

3.0 MB

After Optimization

2.2 MB

In fact, the total size of Nationalgeographic.nl main page is 3.0 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. 65% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 52.5 kB

  • Original 60.9 kB
  • After minification 46.0 kB
  • After compression 8.4 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 14.8 kB, which is 24% 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 52.5 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 39.6 kB

  • Original 1.7 MB
  • After minification 1.7 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. National Geographic images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 445.2 kB

  • Original 647.3 kB
  • After minification 590.8 kB
  • After compression 202.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 445.2 kB or 69% of the original size.

CSS Optimization

-47%

Potential reduce by 271.0 kB

  • Original 576.4 kB
  • After minification 561.0 kB
  • After compression 305.3 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. Nationalgeographic.nl needs all CSS files to be minified and compressed as it can save up to 271.0 kB or 47% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (41%)

Requests Now

92

After Optimization

54

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National Geographic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nationalgeographic.nl accessibility score

96

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

button, link, and menuitem elements do not have accessible names.

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.

Best Practices

nationalgeographic.nl best practices score

75

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

Page has valid source maps

SEO Factors

nationalgeographic.nl SEO score

100

Search Engine Optimization Advices

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

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nationalgeographic.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Nationalgeographic.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

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