Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

cardiologistkolkata.com

Dr. Swapan Kumar De - Interventional Cardiologist in Kolkata, Senior Cardiologist in Kolkata, Best, top, renowned, Treatment, Specialist, Expert, Doct...

Page Load Speed

2.7 sec in total

First Response

409 ms

Resources Loaded

1.7 sec

Page Rendered

642 ms

About Website

Welcome to cardiologistkolkata.com homepage info - get ready to check Cardiologist Kolkata best content right away, or after learning these important things about cardiologistkolkata.com

Dr. Swapan Kumar De, a Senior Cardiologist in Kolkata, doing coronary intervention electrophysiological study, radio frequency ablation and permanent pacing and device implantation (CRT ICD), now prac...

Visit cardiologistkolkata.com

Key Findings

We analyzed Cardiologistkolkata.com page load time and found that the first response time was 409 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

cardiologistkolkata.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value5.7 s

67/100

10%

Network Requests Diagram

cardiologistkolkata.com

409 ms

bootstrap.min.css

33 ms

bootstrap-theme.min.css

41 ms

font-awesome.min.css

48 ms

css2

39 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 76% of them (34 requests) were addressed to the original Cardiologistkolkata.com, 11% (5 requests) were made to Maxcdn.bootstrapcdn.com and 7% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Cardiologistkolkata.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.5 kB (2%)

Content Size

3.7 MB

After Optimization

3.7 MB

In fact, the total size of Cardiologistkolkata.com main page is 3.7 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. 60% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 18.5 kB

  • Original 23.8 kB
  • After minification 21.7 kB
  • After compression 5.4 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 18.5 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 22.2 kB

  • Original 3.6 MB
  • After minification 3.6 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. Cardiologist Kolkata images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 3.4 kB

  • Original 37.9 kB
  • After minification 37.9 kB
  • After compression 34.5 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

-81%

Potential reduce by 31.5 kB

  • Original 38.9 kB
  • After minification 33.7 kB
  • After compression 7.4 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. Cardiologistkolkata.com needs all CSS files to be minified and compressed as it can save up to 31.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

40

After Optimization

33

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cardiologist Kolkata. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cardiologistkolkata.com accessibility score

77

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

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

cardiologistkolkata.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cardiologistkolkata.com SEO score

77

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cardiologistkolkata.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 Cardiologistkolkata.com main page’s claimed encoding is iso-8859-1. 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 Cardiologist Kolkata. 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: