Tools & Wizards About Us
jeffsalzberg.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

jeffsalzberg.com

Jeffrey E. Salzberg, Lighting Designer for Theatre and Dance

Page Load Speed

2 sec in total

First Response

165 ms

Resources Loaded

1.6 sec

Page Rendered

182 ms

jeffsalzberg.com screenshot

About Website

Welcome to jeffsalzberg.com homepage info - get ready to check Jeff Salzberg best content right away, or after learning these important things about jeffsalzberg.com

"Lighting designer Jeffrey E. Salzberg enhances the atmosphere with beautiful effects. Moonlight filters through trees and glistens on the gently rippling river. Of course, there is no river; there ar...

Visit jeffsalzberg.com

Key Findings

We analyzed Jeffsalzberg.com page load time and found that the first response time was 165 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

jeffsalzberg.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.434

22/100

15%

TTI (Time to Interactive)

Value23.5 s

1/100

10%

Network Requests Diagram

jeffsalzberg.com

165 ms

jeffsalzberg.com

428 ms

bootstrap.css

262 ms

bootstrap-responsive.css

233 ms

global.css

189 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 92% of them (54 requests) were addressed to the original Jeffsalzberg.com, 3% (2 requests) were made to Ajax.googleapis.com and 3% (2 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (628 ms) belongs to the original domain Jeffsalzberg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 332.5 kB (5%)

Content Size

7.3 MB

After Optimization

7.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jeffsalzberg.com main page is 7.3 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. 65% of websites need less resources to load. Images take 6.9 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 13.8 kB

  • Original 18.4 kB
  • After minification 18.0 kB
  • After compression 4.6 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 13.8 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 209.9 kB

  • Original 6.9 MB
  • After minification 6.7 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. Jeff Salzberg images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 736 B

  • Original 224.9 kB
  • After minification 224.9 kB
  • After compression 224.2 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

-83%

Potential reduce by 108.0 kB

  • Original 129.5 kB
  • After minification 108.6 kB
  • After compression 21.5 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. Jeffsalzberg.com needs all CSS files to be minified and compressed as it can save up to 108.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (9%)

Requests Now

57

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jeff Salzberg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jeffsalzberg.com

jeffsalzberg.com

165 ms

jeffsalzberg.com

jeffsalzberg.com

428 ms

bootstrap.css

bootstrap.css

262 ms

bootstrap-responsive.css

bootstrap-responsive.css

233 ms

global.css

global.css

189 ms

jquery.min.js

jquery.min.js

18 ms

jquery-ui.min.js

jquery-ui.min.js

23 ms

bootstrap.min.js

bootstrap.min.js

248 ms

cycle2.min.js

cycle2.min.js

254 ms

history.js

history.js

513 ms

header-dancers.png

header-dancers.png

64 ms

rightlight.png

rightlight.png

126 ms

bss011.jpg

bss011.jpg

270 ms

bss062.jpg

bss062.jpg

271 ms

bss172.jpg

bss172.jpg

270 ms

Amadeus0005-slideshow.JPG

Amadeus0005-slideshow.JPG

124 ms

Dusty0175-slideshow.jpg

Dusty0175-slideshow.jpg

270 ms

mbird3.jpg

mbird3.jpg

370 ms

Slowgirl008-slideshow.jpg

Slowgirl008-slideshow.jpg

271 ms

Souvenir232.jpg

Souvenir232.jpg

350 ms

Souvenir006.jpg

Souvenir006.jpg

364 ms

talley4.jpg

talley4.jpg

373 ms

ohio2.jpg

ohio2.jpg

380 ms

ohio3.jpg

ohio3.jpg

335 ms

ohio4.jpg

ohio4.jpg

401 ms

solplay1.jpg

solplay1.jpg

409 ms

solplay4.jpg

solplay4.jpg

424 ms

guthrie-361.jpg

guthrie-361.jpg

432 ms

guthrie-206.jpg

guthrie-206.jpg

436 ms

The%20Quarry%20slideshow-646.JPG

The%20Quarry%20slideshow-646.JPG

444 ms

wse-0019-slideshow.jpg

wse-0019-slideshow.jpg

466 ms

morningstar_4789.jpg

morningstar_4789.jpg

468 ms

morningstar_4894.jpg

morningstar_4894.jpg

545 ms

henry5760.jpg

henry5760.jpg

496 ms

Crumbs10373-slideshow.JPG

Crumbs10373-slideshow.JPG

497 ms

odc_8712_slideshow.jpg

odc_8712_slideshow.jpg

507 ms

omam1.jpg

omam1.jpg

534 ms

omam4.jpg

omam4.jpg

528 ms

omam3.jpg

omam3.jpg

560 ms

shrop-06.jpg

shrop-06.jpg

561 ms

shrop-02.jpg

shrop-02.jpg

572 ms

ACFDance3.jpg

ACFDance3.jpg

588 ms

ACFDance2.jpg

ACFDance2.jpg

617 ms

eam3.jpg

eam3.jpg

618 ms

eam4.jpg

eam4.jpg

628 ms

nutz06_169.jpg

nutz06_169.jpg

568 ms

nutz06_379.jpg

nutz06_379.jpg

516 ms

tta-2.jpg

tta-2.jpg

527 ms

tta-3.jpg

tta-3.jpg

404 ms

like.php

like.php

319 ms

dmd0045-slideshow.jpg

dmd0045-slideshow.jpg

408 ms

b&c_3113-slideshow.jpg

b&c_3113-slideshow.jpg

427 ms

39_Steps_0227-slideshow.jpg

39_Steps_0227-slideshow.jpg

426 ms

39_Steps_0177-slideshow.jpg

39_Steps_0177-slideshow.jpg

436 ms

blue-ribbon.jpg

blue-ribbon.jpg

440 ms

dra.gif

dra.gif

404 ms

theatrical-button-medium.gif

theatrical-button-medium.gif

388 ms

k4GAxvzcPO_.js

k4GAxvzcPO_.js

19 ms

FEppCFCt76d.png

FEppCFCt76d.png

35 ms

Accessibility Review

jeffsalzberg.com accessibility score

69

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

jeffsalzberg.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jeffsalzberg.com SEO score

92

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

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 Jeffsalzberg.com 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 Jeffsalzberg.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

jeffsalzberg.com

Open Graph data is detected on the main page of Jeff Salzberg. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: