Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

nms.ac.uk

National Museums Scotland

Page Load Speed

2.3 sec in total

First Response

529 ms

Resources Loaded

1.5 sec

Page Rendered

311 ms

nms.ac.uk screenshot

About Website

Welcome to nms.ac.uk homepage info - get ready to check Nms best content for United Kingdom right away, or after learning these important things about nms.ac.uk

At National Museums Scotland we care for collections of national and international importance. Our wealth of objects represents everything from Scottish and international archaeology to applied arts a...

Visit nms.ac.uk

Key Findings

We analyzed Nms.ac.uk page load time and found that the first response time was 529 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 35% of websites can load faster.

Performance Metrics

nms.ac.uk performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value20.6 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value3,110 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value29.2 s

0/100

10%

Network Requests Diagram

nms.ac.uk

529 ms

51188.css

48 ms

global.css

263 ms

libs

182 ms

jquery-2.1.1.min.js

89 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 63% of them (25 requests) were addressed to the original Nms.ac.uk, 10% (4 requests) were made to F.fontdeck.com and 10% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (550 ms) belongs to the original domain Nms.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 502.1 kB (41%)

Content Size

1.2 MB

After Optimization

726.1 kB

In fact, the total size of Nms.ac.uk main page is 1.2 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. 50% of websites need less resources to load. Javascripts take 555.1 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 46.9 kB

  • Original 66.3 kB
  • After minification 62.5 kB
  • After compression 19.4 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. 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 46.9 kB or 71% of the original size.

Image Optimization

-2%

Potential reduce by 10.4 kB

  • Original 452.8 kB
  • After minification 442.3 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. Nms images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 316.3 kB

  • Original 555.1 kB
  • After minification 555.1 kB
  • After compression 238.8 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 316.3 kB or 57% of the original size.

CSS Optimization

-83%

Potential reduce by 128.4 kB

  • Original 153.9 kB
  • After minification 153.4 kB
  • After compression 25.5 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. Nms.ac.uk needs all CSS files to be minified and compressed as it can save up to 128.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (28%)

Requests Now

36

After Optimization

26

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nms. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

nms.ac.uk accessibility score

89

Accessibility Issues

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.

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

High

Links do not have a discernible name

Best Practices

nms.ac.uk 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

High

Page has valid source maps

SEO Factors

nms.ac.uk SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

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 Nms.ac.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 Nms.ac.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.

Social Sharing Optimization

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