Tools & Wizards About Us

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

london1878.com

Stanfords Library Map Of London And Its Suburbs 1878, With Geological Colouring.

Page Load Speed

2.1 sec in total

First Response

193 ms

Resources Loaded

1.5 sec

Page Rendered

404 ms

About Website

Welcome to london1878.com homepage info - get ready to check London 1878 best content right away, or after learning these important things about london1878.com

Stanfords Geological Library Map Of London And Its Suburbs, By Edward Stanford. 1878. Large scale and highly detailed map of London, with geological colouring overlay by James B. Jordan of the Mining ...

Visit london1878.com

Key Findings

We analyzed London1878.com page load time and found that the first response time was 193 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

london1878.com performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

london1878.com

193 ms

colours.css

105 ms

show_ads.js

26 ms

counter.js

36 ms

headred2.jpg

36 ms

Our browser made a total of 212 requests to load all elements on the main page. We found that 95% of them (201 requests) were addressed to the original London1878.com, 3% (7 requests) were made to Mapco.net and 1% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (273 ms) belongs to the original domain London1878.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.3 kB (3%)

Content Size

2.7 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of London1878.com main page is 2.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 61.5 kB

  • Original 76.0 kB
  • After minification 75.9 kB
  • After compression 14.5 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 61.5 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 5.6 kB

  • Original 2.6 MB
  • After minification 2.6 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. London 1878 images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 40 B

  • Original 80.9 kB
  • After minification 80.9 kB
  • After compression 80.9 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.

CSS Optimization

-88%

Potential reduce by 4.1 kB

  • Original 4.7 kB
  • After minification 3.7 kB
  • After compression 558 B

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. London1878.com needs all CSS files to be minified and compressed as it can save up to 4.1 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (6%)

Requests Now

210

After Optimization

197

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 210 CSS, Javascripts, AJAX and image requests in order to completely render the main page of London 1878. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

london1878.com accessibility score

80

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

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

Best Practices

london1878.com best practices score

58

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

london1878.com SEO score

67

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

Image elements do not have [alt] attributes

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 London1878.com 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 London1878.com 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 London 1878. 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: