Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

demo.f4map.com

F4map Demo - Interactive 3D map

Page Load Speed

2.1 sec in total

First Response

229 ms

Resources Loaded

1.8 sec

Page Rendered

70 ms

demo.f4map.com screenshot

About Website

Welcome to demo.f4map.com homepage info - get ready to check Demo F4map best content for Ireland right away, or after learning these important things about demo.f4map.com

F4 Map is a WebGL 3D Map Viewer based on OpenStreetMap data

Visit demo.f4map.com

Key Findings

We analyzed Demo.f4map.com page load time and found that the first response time was 229 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

demo.f4map.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value1,540 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.075

95/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

demo.f4map.com

229 ms

demo.f4map.com

359 ms

private.css

160 ms

api.js

431 ms

jscolor.js

234 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 67% of them (6 requests) were addressed to the original Demo.f4map.com, 22% (2 requests) were made to Core.f4map.com and 11% (1 request) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (588 ms) relates to the external source Core.f4map.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.8 kB (15%)

Content Size

64.0 kB

After Optimization

54.2 kB

In fact, the total size of Demo.f4map.com main page is 64.0 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 10% of websites need less resources to load. CSS take 27.3 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 8.0 kB

  • Original 12.0 kB
  • After minification 11.9 kB
  • After compression 4.0 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 8.0 kB or 67% of the original size.

JavaScript Optimization

-7%

Potential reduce by 1.8 kB

  • Original 24.7 kB
  • After minification 24.7 kB
  • After compression 22.9 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

-0%

Potential reduce by 19 B

  • Original 27.3 kB
  • After minification 27.3 kB
  • After compression 27.3 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. Demo.f4map.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (60%)

Requests Now

5

After Optimization

2

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Demo F4map. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

demo.f4map.com accessibility score

70

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

demo.f4map.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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

demo.f4map.com SEO score

77

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 Demo.f4map.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 Demo.f4map.com 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 Demo F4map. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: