Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

shop.nga.gov

National Gallery of Art Shop | Fine Museum Gifts | National Gallery of Art Shop

Page Load Speed

1.8 sec in total

First Response

76 ms

Resources Loaded

1.3 sec

Page Rendered

424 ms

About Website

Welcome to shop.nga.gov homepage info - get ready to check Shop Nga best content for United States right away, or after learning these important things about shop.nga.gov

Visit shop.nga.gov

Key Findings

We analyzed Shop.nga.gov page load time and found that the first response time was 76 ms and then it took 1.7 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

shop.nga.gov performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value30.3 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value2,660 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value33.3 s

0/100

10%

Network Requests Diagram

shop.nga.gov

76 ms

shop.nga.gov

24 ms

calendar.css

20 ms

styles-m.css

57 ms

parent-load-first.css

50 ms

Our browser made a total of 214 requests to load all elements on the main page. We found that 92% of them (197 requests) were addressed to the original Shop.nga.gov, 4% (8 requests) were made to Static.klaviyo.com and 2% (4 requests) were made to Static-tracking.klaviyo.com. The less responsive or slowest element that took the longest time to load (458 ms) belongs to the original domain Shop.nga.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 365.7 kB (11%)

Content Size

3.2 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shop.nga.gov main page is 3.2 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. Only a small number of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 214.9 kB

  • Original 248.2 kB
  • After minification 209.1 kB
  • After compression 33.3 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 39.0 kB, which is 16% 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 214.9 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 28 B

  • Original 2.1 MB
  • After minification 2.1 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. Shop Nga images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 147.5 kB

  • Original 549.9 kB
  • After minification 543.9 kB
  • After compression 402.4 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 147.5 kB or 27% of the original size.

CSS Optimization

-1%

Potential reduce by 3.2 kB

  • Original 282.0 kB
  • After minification 282.0 kB
  • After compression 278.8 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. Shop.nga.gov has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 141 (82%)

Requests Now

171

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 171 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shop Nga. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 123 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

shop.nga.gov 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-*] attributes do not match their roles

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

shop.nga.gov 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

High

Page has valid source maps

SEO Factors

shop.nga.gov SEO score

77

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

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 Shop.nga.gov 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 Shop.nga.gov 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 Shop Nga. 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: