Tools & Wizards About Us
cityoflondon.gov.uk screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

cityoflondon.gov.uk

Things to do - City of London

Page Load Speed

18.7 sec in total

First Response

875 ms

Resources Loaded

11.3 sec

Page Rendered

6.6 sec

cityoflondon.gov.uk screenshot

About Website

Visit cityoflondon.gov.uk now to see the best up-to-date City Of London content for United Kingdom and also check out these interesting facts you probably never knew about cityoflondon.gov.uk

Visit the City of London - Things to see and do from iconic attractions to hidden gems and explore green spaces both inside of and outside the Square Mile.

Visit cityoflondon.gov.uk

Key Findings

We analyzed Cityoflondon.gov.uk page load time and found that the first response time was 875 ms and then it took 17.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

cityoflondon.gov.uk performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value4,000 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

www.cityoflondon.gov.uk

875 ms

default.aspx

351 ms

screen.css

273 ms

jquery-1.6.2.min.js

823 ms

browser.js

822 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 96% of them (24 requests) were addressed to the original Cityoflondon.gov.uk, 4% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Cityoflondon.gov.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 677.5 kB (48%)

Content Size

1.4 MB

After Optimization

734.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cityoflondon.gov.uk main page is 1.4 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. 45% of websites need less resources to load. Images take 568.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 25.2 kB

  • Original 32.1 kB
  • After minification 23.3 kB
  • After compression 6.9 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 8.7 kB, which is 27% 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 25.2 kB or 79% of the original size.

Image Optimization

-5%

Potential reduce by 31.0 kB

  • Original 568.2 kB
  • After minification 537.2 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. City Of London images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 231.8 kB

  • Original 367.2 kB
  • After minification 357.9 kB
  • After compression 135.4 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 231.8 kB or 63% of the original size.

CSS Optimization

-88%

Potential reduce by 389.5 kB

  • Original 444.4 kB
  • After minification 361.2 kB
  • After compression 54.9 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. Cityoflondon.gov.uk needs all CSS files to be minified and compressed as it can save up to 389.5 kB or 88% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of City Of London. According to our analytics all requests are already optimized.

Network Requests Diagram

www.cityoflondon.gov.uk

www.cityoflondon.gov.uk

875 ms

default.aspx

default.aspx

351 ms

screen.css

screen.css

273 ms

jquery-1.6.2.min.js

jquery-1.6.2.min.js

823 ms

browser.js

browser.js

822 ms

logo-city-of-london.png

logo-city-of-london.png

2910 ms

sprite.png

sprite.png

2955 ms

guildhall-map.jpg

guildhall-map.jpg

3467 ms

background-carousel-home.svg

background-carousel-home.svg

2838 ms

about-us.jpg

about-us.jpg

3456 ms

things-to-do.jpg

things-to-do.jpg

3454 ms

primary-fly-out-map.png

primary-fly-out-map.png

3544 ms

icon-streetworks.png

icon-streetworks.png

4143 ms

icon-eshot.png

icon-eshot.png

3859 ms

icon-calendar.png

icon-calendar.png

4140 ms

about-us-130x86.jpg

about-us-130x86.jpg

4139 ms

elections-explore.jpg

elections-explore.jpg

3840 ms

business.jpg

business.jpg

3839 ms

road-closures.jpg

road-closures.jpg

4111 ms

events.jpg

events.jpg

4110 ms

green-spaces.jpg

green-spaces.jpg

4106 ms

how-to-find-us.jpg

how-to-find-us.jpg

4093 ms

analytics.js

analytics.js

1149 ms

MetaComp-Bold.woff

MetaComp-Bold.woff

782 ms

print.css

print.css

160 ms

Accessibility Review

cityoflondon.gov.uk accessibility score

100

Accessibility Issues

Best Practices

cityoflondon.gov.uk 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

Missing source maps for large first-party JavaScript

SEO Factors

cityoflondon.gov.uk 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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cityoflondon.gov.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 Cityoflondon.gov.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

cityoflondon.gov.uk

Open Graph description is not detected on the main page of City Of London. 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: