Tools & Wizards About Us

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

maps-of-london.com

OLD MAPS OF LONDON - Early Twentieth Century London Maps

Page Load Speed

1.4 sec in total

First Response

150 ms

Resources Loaded

987 ms

Page Rendered

236 ms

About Website

Visit maps-of-london.com now to see the best up-to-date MAPS Of LONDON content and also check out these interesting facts you probably never knew about maps-of-london.com

Old maps of London, featuring detailed street maps of the city of London and the London Boroughs, as shown on the Bartholomew map series of last century.

Visit maps-of-london.com

Key Findings

We analyzed Maps-of-london.com page load time and found that the first response time was 150 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

maps-of-london.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value3,290 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.083

94/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

maps-of-london.com

150 ms

maps-of-london.com

271 ms

js

123 ms

adsbygoogle.js

139 ms

mapsoflondon.jpg

273 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 63% of them (5 requests) were addressed to the original Maps-of-london.com, 25% (2 requests) were made to Pagead2.googlesyndication.com and 13% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (542 ms) belongs to the original domain Maps-of-london.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 109.3 kB (16%)

Content Size

664.5 kB

After Optimization

555.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Maps-of-london.com main page is 664.5 kB. 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 5% of websites need less resources to load. Images take 366.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 47.3 kB

  • Original 57.6 kB
  • After minification 52.8 kB
  • After compression 10.3 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. 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 47.3 kB or 82% of the original size.

Image Optimization

-17%

Potential reduce by 61.9 kB

  • Original 366.0 kB
  • After minification 304.1 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. Obviously, MAPS Of LONDON needs image optimization as it can save up to 61.9 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 32 B

  • Original 240.9 kB
  • After minification 240.9 kB
  • After compression 240.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MAPS Of LONDON. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

maps-of-london.com accessibility score

93

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

maps-of-london.com best practices score

75

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

General

Impact

Issue

High

Page has valid source maps

SEO Factors

maps-of-london.com SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Maps-of-london.com 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 Maps-of-london.com main page’s claimed encoding is windows-1252. 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 MAPS 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: