Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

Page Load Speed

1.5 sec in total

First Response

721 ms

Resources Loaded

807 ms

Page Rendered

0 ms

portal.rhul.ac.uk screenshot

About Website

Visit portal.rhul.ac.uk now to see the best up-to-date Portal Rhul content for United Kingdom and also check out these interesting facts you probably never knew about portal.rhul.ac.uk

Visit portal.rhul.ac.uk

Key Findings

We analyzed Portal.rhul.ac.uk page load time and found that the first response time was 721 ms and then it took 807 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

portal.rhul.ac.uk performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.168

71/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

portal.rhul.ac.uk

721 ms

clientsniffer.js

84 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Portal.rhul.ac.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (721 ms) belongs to the original domain Portal.rhul.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.8 kB (70%)

Content Size

4.0 kB

After Optimization

1.2 kB

In fact, the total size of Portal.rhul.ac.uk main page is 4.0 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. Javascripts take 3.5 kB which makes up the majority of the site volume.

HTML Optimization

-46%

Potential reduce by 222 B

  • Original 481 B
  • After minification 481 B
  • After compression 259 B

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 222 B or 46% of the original size.

JavaScript Optimization

-73%

Potential reduce by 2.6 kB

  • Original 3.5 kB
  • After minification 3.5 kB
  • After compression 941 B

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 2.6 kB or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Portal Rhul. According to our analytics all requests are already optimized.

Accessibility Review

portal.rhul.ac.uk accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

portal.rhul.ac.uk best practices score

83

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

SEO Factors

portal.rhul.ac.uk SEO score

92

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

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Portal.rhul.ac.uk can be misinterpreted by Google and other search engines. Our service has detected that English 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 Portal.rhul.ac.uk main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Portal Rhul. 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: