Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

nycdohmh.cartodb.com

CARTO · Maps by NYC Department of Health and Mental Hygiene

Page Load Speed

1.3 sec in total

First Response

87 ms

Resources Loaded

1 sec

Page Rendered

229 ms

nycdohmh.cartodb.com screenshot

About Website

Visit nycdohmh.cartodb.com now to see the best up-to-date NYC Dohmh CARTO Db content for United States and also check out these interesting facts you probably never knew about nycdohmh.cartodb.com

NYC Department of Health and Mental Hygiene has created 8 maps · View NYC Department of Health and Mental Hygiene CARTO profile for the latest activity and contribute to Open Data by creating an accou...

Visit nycdohmh.cartodb.com

Key Findings

We analyzed Nycdohmh.cartodb.com page load time and found that the first response time was 87 ms and then it took 1.3 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

nycdohmh.cartodb.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value23.5 s

1/100

10%

Network Requests Diagram

nycdohmh.cartodb.com

87 ms

nycdohmh.carto.com

115 ms

me

155 ms

maps

323 ms

deep_insights_new.css

52 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Nycdohmh.cartodb.com, 62% (13 requests) were made to Libs.cartocdn.com and 14% (3 requests) were made to Nycdohmh.carto.com. The less responsive or slowest element that took the longest time to load (323 ms) relates to the external source Nycdohmh.carto.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.2 kB (1%)

Content Size

3.2 MB

After Optimization

3.2 MB

In fact, the total size of Nycdohmh.cartodb.com main page is 3.2 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. Javascripts take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 21.9 kB

  • Original 27.4 kB
  • After minification 25.0 kB
  • After compression 5.5 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 21.9 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 3.0 kB

  • Original 52.6 kB
  • After minification 49.6 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. NYC Dohmh CARTO Db images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 290 B

  • Original 3.1 MB
  • After minification 3.1 MB
  • After compression 3.1 MB

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

Number of requests can be reduced by 4 (31%)

Requests Now

13

After Optimization

9

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NYC Dohmh CARTO Db. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

nycdohmh.cartodb.com accessibility score

54

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.

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

High

Links do not have a discernible name

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.

Best Practices

nycdohmh.cartodb.com best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nycdohmh.cartodb.com SEO score

89

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

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 Nycdohmh.cartodb.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 Nycdohmh.cartodb.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 NYC Dohmh CARTO Db. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: