Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

openmaptiles.org

World maps you can self-host - powered by free OpenStreetMap vector tiles and open-source software – OpenMapTiles

Page Load Speed

801 ms in total

First Response

27 ms

Resources Loaded

275 ms

Page Rendered

499 ms

openmaptiles.org screenshot

About Website

Visit openmaptiles.org now to see the best up-to-date Open Map Tiles content for Singapore and also check out these interesting facts you probably never knew about openmaptiles.org

Design and host maps with OpenStreetMap vector tiles and open-source tools. Maps are compatible with Leaflet, MapLibre GL SDKs, GIS, WMTS/WMS, XYZ map tiles, etc.

Visit openmaptiles.org

Key Findings

We analyzed Openmaptiles.org page load time and found that the first response time was 27 ms and then it took 774 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

openmaptiles.org performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

openmaptiles.org

27 ms

openmaptiles.org

53 ms

gtm.js

47 ms

kt.js

29 ms

base.css

22 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 84% of them (27 requests) were addressed to the original Openmaptiles.org, 6% (2 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (115 ms) belongs to the original domain Openmaptiles.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (16%)

Content Size

7.6 MB

After Optimization

6.4 MB

In fact, the total size of Openmaptiles.org main page is 7.6 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. 35% of websites need less resources to load. Images take 7.6 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 7.2 kB

  • Original 10.1 kB
  • After minification 9.1 kB
  • After compression 2.9 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. 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 7.2 kB or 72% of the original size.

Image Optimization

-16%

Potential reduce by 1.2 MB

  • Original 7.6 MB
  • After minification 6.4 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. Obviously, Open Map Tiles needs image optimization as it can save up to 1.2 MB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

28

After Optimization

28

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Map Tiles. According to our analytics all requests are already optimized.

Accessibility Review

openmaptiles.org accessibility score

83

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

Heading elements are not in a sequentially-descending order

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

openmaptiles.org 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

SEO Factors

openmaptiles.org SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Openmaptiles.org 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 Openmaptiles.org 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 description is not detected on the main page of Open Map Tiles. 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: