Tools & Wizards About Us
katz.art screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

katz.art

Daniel Katz Gallery | Antiquity to the Twentieth Century

Page Load Speed

3.5 sec in total

First Response

278 ms

Resources Loaded

1.8 sec

Page Rendered

1.5 sec

katz.art screenshot

About Website

Visit katz.art now to see the best up-to-date Katz content and also check out these interesting facts you probably never knew about katz.art

Daniel Katz Gallery | Exceptional works of art from Antiquity to the Twentieth Century Old Master Sculpture, Modern Masters, Paintings & Works on Paper and Notable Sales Danny Katz has been dealing in...

Visit katz.art

Key Findings

We analyzed Katz.art page load time and found that the first response time was 278 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

katz.art performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value1.643

0/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

katz.art

278 ms

www.katz.art

261 ms

www.katz.art

746 ms

bootstrap-v4.3.1.min.css

239 ms

js

50 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 58% of them (25 requests) were addressed to the original Katz.art, 26% (11 requests) were made to Images.katz.art and 5% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (746 ms) belongs to the original domain Katz.art.

Page Optimization Overview & Recommendations

Page size can be reduced by 139.6 kB (12%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Katz.art main page is 1.2 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. 50% of websites need less resources to load. Images take 663.2 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 102.3 kB

  • Original 147.7 kB
  • After minification 137.1 kB
  • After compression 45.3 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 102.3 kB or 69% of the original size.

Image Optimization

-3%

Potential reduce by 16.8 kB

  • Original 663.2 kB
  • After minification 646.5 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. Katz images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 9.3 kB

  • Original 329.9 kB
  • After minification 329.9 kB
  • After compression 320.6 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

-22%

Potential reduce by 11.2 kB

  • Original 51.5 kB
  • After minification 51.5 kB
  • After compression 40.3 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. Katz.art needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (60%)

Requests Now

40

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

katz.art

katz.art

278 ms

www.katz.art

www.katz.art

261 ms

www.katz.art

www.katz.art

746 ms

bootstrap-v4.3.1.min.css

bootstrap-v4.3.1.min.css

239 ms

js

js

50 ms

general.css

general.css

321 ms

jquery-3.2.1.min.js

jquery-3.2.1.min.js

423 ms

ASCarousel.css

ASCarousel.css

346 ms

katz.css

katz.css

450 ms

header.css

header.css

346 ms

footer.css

footer.css

347 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

54 ms

popper.min.js

popper.min.js

244 ms

bootstrap-v4.3.1.min.js

bootstrap-v4.3.1.min.js

291 ms

general.js

general.js

291 ms

ASCarousel.js

ASCarousel.js

292 ms

katz.js

katz.js

347 ms

footer.js

footer.js

347 ms

header.js

header.js

348 ms

api.js

api.js

56 ms

recaptcha.js

recaptcha.js

350 ms

jquery.validate.min.js

jquery.validate.min.js

356 ms

RecaptchaSubmitForRegistration.js

RecaptchaSubmitForRegistration.js

356 ms

conversion.js

conversion.js

58 ms

jqueryCookieGuard.1.0.js

jqueryCookieGuard.1.0.js

446 ms

jqueryCookieGuard.css

jqueryCookieGuard.css

447 ms

initJQueryCookieGuard.1.0.js

initJQueryCookieGuard.1.0.js

446 ms

homepage_2672024T135451.142.jpg

homepage_2672024T135451.142.jpg

180 ms

marker.svg

marker.svg

163 ms

pop-up-close.svg

pop-up-close.svg

160 ms

638125692053985339.jpg

638125692053985339.jpg

176 ms

637854461187559673.jpg

637854461187559673.jpg

179 ms

Chinard-GeniusPeaceTamingMarsHorses_632024T9239.109.jpg

Chinard-GeniusPeaceTamingMarsHorses_632024T9239.109.jpg

182 ms

638346091156443103.jpg

638346091156443103.jpg

185 ms

638346091156583107.jpg

638346091156583107.jpg

183 ms

638346091156753111.jpg

638346091156753111.jpg

184 ms

638346091156973116.jpg

638346091156973116.jpg

182 ms

636784006505836933.jpg

636784006505836933.jpg

186 ms

636590352198155915.jpg

636590352198155915.jpg

185 ms

638346092903883820.jpg

638346092903883820.jpg

185 ms

recaptcha__en.js

recaptcha__en.js

48 ms

79 ms

22 ms

Accessibility Review

katz.art accessibility score

53

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

High

Links do not have a discernible name

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.

Best Practices

katz.art best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

katz.art SEO score

84

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 Katz.art 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 Katz.art 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

katz.art

Open Graph description is not detected on the main page of Katz. 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: