Analyze

nationalgallery.org.uk: The National Gallery, London

The Nation's Gallery. The story of European art, masterpiece by masterpiece.

Page load speed analysis

  • 50/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    310 ms

  • Resources loaded

    18.2 sec

  • Page rendered

    10.3 sec

  • Total page load time

    28.8 sec

Welcome to nationalgallery.org.uk homepage info - get ready to check National Gallery best content for United States right away, or after learning these important things about nationalgallery.org.uk

We analyzed Nationalgallery.org.uk page load time and found that the first response time was 310 ms and then it took 28.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Page optimization

  • HTML 148.3 kB
    Images 3.2 MB
    Javascripts 3.2 MB
    CSS 494.5 kB

    In fact, the total size of Nationalgallery.org.uk main page is 7.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 3.2 MB which makes up the majority of the site volume.

    • Original 148.3 kB
    • After minification 145.8 kB
    • After compression 33.4 kB

    HTML optimization

    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 114.9 kB or 77% of the original size.

    • Original 3.2 MB
    • After optimization 3.1 MB

    Image optimization

    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 Gallery images are well optimized though.

    • Original 3.2 MB
    • After minification 3.1 MB
    • After compression 920.8 kB

    JavaScript optimization

    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 2.3 MB or 72% of the original size.

    • Original 494.5 kB
    • After minification 488.4 kB
    • After compression 91.5 kB

    CSS optimization

    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. Nationalgallery.org.uk needs all CSS files to be minified and compressed as it can save up to 403.0 kB or 81% of the original size.

Network requests diagram

  • nationalgallery.org.uk
  • www.nationalgallery.org.uk
  • jquery.min.js
  • DependencyHandler.axd
  • DependencyHandler.axd
  • addthis_widget.js
  • gtm.js
  • DependencyHandler.axd
  • ng-logo-white.png
  • search-button.gif
  • facebook-30.jpg
  • twitter-30.jpg
  • youtube-30.jpg
  • google-plus-30.jpg
  • instagram-30-final.jpg
  • n-6668-bellotto-press-whatsnew-115x83.png
  • webslider_rimini-copy.jpg
  • sunflowers-banner-2.jpg
  • ng4451-homepage-v3.png
  • n-6301-650x302.jpg
  • xmas-whatson-big-v1.png
  • hub-trafalgar-square-panoramic_big.png
  • flags-big.png
  • analytics.js
  • _dmptv2.js
  • iframe_api
  • fbevents.js
  • home-top.png
  • cs-logo-127-black-2.png
  • link-arrow-14.gif
  • link-arrow-13.gif
  • glyphicons-halflings-regular.woff
  • linkid.js
  • www-widgetapi.js
  • 962518137138004
  • link-arrows.png
  • DependencyHandler.axd
  • collect
  • collect
  • collect
  • cookie-message.html
  • _ate.track.config_resp
  • 300lo.json
  • collect
  • ajax-loader.gif
  • ActivityServer.bs
  • ga-audiences
  • sh.886bb8b2fb82aeab6a228151.html
  • layers.7569eb2b5e9fff3d8477.js

Our browser made a total of 50 requests to load all elements on the main page. We found that 58% of them (29 requests) were addressed to the original Nationalgallery.org.uk, 8% (4 requests) were made to Google-analytics.com and 6% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (5.6 sec) relates to the external source Facebook.com.

Additional info on nationalgallery.org.uk

Requests

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National Gallery. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

13

Javascripts

25

Images

3

CSS

4

AJAX

45

All

Possible request optimization

1

Javascripts

19

Images

3

CSS

4

AJAX

18

Optimized

27

All

Normal result

Redirects

As for redirects, our browser was forwarded to http://www.nationalgallery.org.uk/ before it reached this domain.

IP address

This IP address is dedicated to Nationalgallery.org.uk. This is the best domain hosting practice .

Normal result

IP Trace

nationalgallery.org.uk

195.195.116.1

DNS records

Type Host Target/ip TTL Other
A

nationalgallery.org.uk

195.195.116.1 3600
NS

nationalgallery.org.uk

dns-ns0.ucl.ac.uk 86400
NS

nationalgallery.org.uk

dns-ns1.ucl.ac.uk 86400
SOA

nationalgallery.org.uk

86400 Mname: dns-ns0.ucl.ac.uk
Rname: systems.ucl.ac.uk
Serial: 202201182
Refresh: 28800
Retry: 7200
Expire: 604800
Minimum-ttl: 3600
TXT

nationalgallery.org.uk

86400 Txt: l1mdn7ufdbvph7l4c6v8csvt66

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

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

HTTPS certificate

SSL Certificate

Nationalgallery.org.uk has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 25% of all visits is United States. It lies approximately 4490 miles away from the server location (United Kingdom) and such a long distance can negatively affect website speed, as it takes some time for data to travel back and forth between those places. That’s why one of the best ways to speed up Nationalgallery.org.uk page load time for the majority of users is moving the server to United States or just closer to the user base.

Poor result

Poor result

Social Sharing Optimization

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

nationalgallery.org.uk

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