Tools & Wizards About Us
gunnarheilmann.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

gunnarheilmann.com

Gunnar Heilmann - Light Painting Photography based in Berlin, Germany

Page Load Speed

6.8 sec in total

First Response

1.4 sec

Resources Loaded

4.7 sec

Page Rendered

749 ms

gunnarheilmann.com screenshot

About Website

Click here to check amazing Gunnar Heilmann content for Bangladesh. Otherwise, check out these important facts you probably never knew about gunnarheilmann.com

Gunnar's work is focused on Light Painting in all its forms and shapes. He engineers images that deploy light as moods and untangible sculptures in most creative ways.

Visit gunnarheilmann.com

Key Findings

We analyzed Gunnarheilmann.com page load time and found that the first response time was 1.4 sec and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

gunnarheilmann.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value15.4 s

0/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.04

99/100

15%

TTI (Time to Interactive)

Value10.7 s

23/100

10%

Network Requests Diagram

gunnarheilmann.com

1376 ms

js

99 ms

icon

40 ms

frontend-gtag.min.js

199 ms

wmac_single_f65e9d540d66c10c50ad0da8d7b95550.js

313 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 79% of them (64 requests) were addressed to the original Gunnarheilmann.com, 4% (3 requests) were made to Assets.pinterest.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Gunnarheilmann.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 146.0 kB (11%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Gunnarheilmann.com main page is 1.3 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. 55% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 99.9 kB

  • Original 125.8 kB
  • After minification 124.1 kB
  • After compression 25.9 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 99.9 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 21.5 kB

  • Original 1.0 MB
  • After minification 980.2 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. Gunnar Heilmann images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 24.7 kB

  • Original 199.5 kB
  • After minification 199.5 kB
  • After compression 174.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 24.7 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (39%)

Requests Now

75

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gunnar Heilmann. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

gunnarheilmann.com

gunnarheilmann.com

1376 ms

js

js

99 ms

icon

icon

40 ms

frontend-gtag.min.js

frontend-gtag.min.js

199 ms

wmac_single_f65e9d540d66c10c50ad0da8d7b95550.js

wmac_single_f65e9d540d66c10c50ad0da8d7b95550.js

313 ms

jquery.min.js

jquery.min.js

480 ms

jquery-migrate.min.js

jquery-migrate.min.js

350 ms

css-lazy-load.min.js

css-lazy-load.min.js

344 ms

platform.js

platform.js

97 ms

core.min.js

core.min.js

267 ms

modernizr.custom.min.js

modernizr.custom.min.js

265 ms

jquery.shuffle.min.js

jquery.shuffle.min.js

345 ms

random-shuffle-min.js

random-shuffle-min.js

369 ms

wmac_single_aeaa523005eacaed9ae7fd56be21a259.js

wmac_single_aeaa523005eacaed9ae7fd56be21a259.js

447 ms

wmac_single_a53a916adf48efefd5a2aa0861ebbc07.js

wmac_single_a53a916adf48efefd5a2aa0861ebbc07.js

375 ms

wmac_single_83a062cf6545b990c13b4398035a29d0.js

wmac_single_83a062cf6545b990c13b4398035a29d0.js

378 ms

comment-reply.min.js

comment-reply.min.js

484 ms

isotope.pkgd.min.js

isotope.pkgd.min.js

486 ms

lightgallery.min.js

lightgallery.min.js

523 ms

idangerous.swiper.min.js

idangerous.swiper.min.js

527 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

522 ms

wmac_single_e980c7c3246eb3b81691d59eeb8876b2.js

wmac_single_e980c7c3246eb3b81691d59eeb8876b2.js

521 ms

wmac_single_11feadfc84b9cabd6cfc5d7a542dc059.js

wmac_single_11feadfc84b9cabd6cfc5d7a542dc059.js

629 ms

js_composer_front.min.js

js_composer_front.min.js

603 ms

skrollr.min.js

skrollr.min.js

644 ms

vc-waypoints.min.js

vc-waypoints.min.js

627 ms

jquery.flexslider.min.js

jquery.flexslider.min.js

648 ms

btn_donate_pp_142x27.png

btn_donate_pp_142x27.png

56 ms

PinExt.png

PinExt.png

79 ms

like.php

like.php

178 ms

2020_07_GH-Logo-transparent.png

2020_07_GH-Logo-transparent.png

331 ms

GH-Icon.gif

GH-Icon.gif

331 ms

logo@2x.png

logo@2x.png

331 ms

LightPainting-GunnarHeilmann-setup-photo-behind-the-scene-makingoff-s.jpg

LightPainting-GunnarHeilmann-setup-photo-behind-the-scene-makingoff-s.jpg

354 ms

LightPainting-Gunnar-Heilmann_USA-Washington-Stonhenge-Drone-red-white-s-600x360.jpg

LightPainting-Gunnar-Heilmann_USA-Washington-Stonhenge-Drone-red-white-s-600x360.jpg

382 ms

LightPainting-Gunnar-Heilmann-architecture-monopol-berlin-blue-orange-s.jpg

LightPainting-Gunnar-Heilmann-architecture-monopol-berlin-blue-orange-s.jpg

572 ms

LightPainting-Gunnar-Heilmann-Daniel-Fiber-optic-Portrait-famous-picture-s.jpg

LightPainting-Gunnar-Heilmann-Daniel-Fiber-optic-Portrait-famous-picture-s.jpg

461 ms

LightPainting-Gunnar-Heilmann-Camera-Rotation_Pyramid-Garzau-LP-7-s.jpg

LightPainting-Gunnar-Heilmann-Camera-Rotation_Pyramid-Garzau-LP-7-s.jpg

511 ms

Fire-LightPainting-Gunnar-Heilmann_USA-Houston-Wings-s-650x360.jpg

Fire-LightPainting-Gunnar-Heilmann_USA-Houston-Wings-s-650x360.jpg

513 ms

LightPainting-Gunnar-Heilmann_USA-nevada-car-cemetary-beam-wreck-s.jpg

LightPainting-Gunnar-Heilmann_USA-nevada-car-cemetary-beam-wreck-s.jpg

498 ms

LightPainting-Gunnar-Heilmann-tree-stars-green-sillouettes-two-ppl-s.jpg

LightPainting-Gunnar-Heilmann-tree-stars-green-sillouettes-two-ppl-s.jpg

611 ms

LightPainting-Gunnar-Heilmann-Copacabana-Bolivia-horca-del-inca-infinity-back-s.jpg

LightPainting-Gunnar-Heilmann-Copacabana-Bolivia-horca-del-inca-infinity-back-s.jpg

676 ms

Beginners-Guide-to-Light-Painting-Gunnar-Heilmann-banner-288x192.jpg

Beginners-Guide-to-Light-Painting-Gunnar-Heilmann-banner-288x192.jpg

623 ms

2022_LightPainting-MeteorJam-288x192.jpg

2022_LightPainting-MeteorJam-288x192.jpg

636 ms

LightPaintingFlashlights-cover-288x192.jpg

LightPaintingFlashlights-cover-288x192.jpg

634 ms

Light-Painting-GunnarHeilmann-Wind-Tunnel-banner-288x192.jpg

Light-Painting-GunnarHeilmann-Wind-Tunnel-banner-288x192.jpg

686 ms

20181112201439_3W4A3643-round-300x300.png

20181112201439_3W4A3643-round-300x300.png

858 ms

2019-04-GunnarHeilmann-world-travel-map-bw.gif

2019-04-GunnarHeilmann-world-travel-map-bw.gif

826 ms

2023_06_LightPainting-Worldmap-GunnarHeilmann.png

2023_06_LightPainting-Worldmap-GunnarHeilmann.png

1116 ms

lightpainters-logo-small-500x500-400x400.jpg

lightpainters-logo-small-500x500-400x400.jpg

774 ms

Lichtkunstfoto-480x91.png

Lichtkunstfoto-480x91.png

792 ms

Flashlights-for-LightPainting-Gunnar-Heilmann_XingPing-thumb.jpg

Flashlights-for-LightPainting-Gunnar-Heilmann_XingPing-thumb.jpg

803 ms

logo.png

logo.png

881 ms

facebook.svg

facebook.svg

879 ms

sdk.js

sdk.js

47 ms

Twitter.svg

Twitter.svg

870 ms

Follow.png

Follow.png

874 ms

pinterest.svg

pinterest.svg

900 ms

sdk.js

sdk.js

5 ms

Linkedin.svg

Linkedin.svg

886 ms

Whatsapp.svg

Whatsapp.svg

910 ms

vk.svg

vk.svg

911 ms

Odnoklassniki.svg

Odnoklassniki.svg

940 ms

pixel.gif

pixel.gif

87 ms

a7LoXQDbYK9.js

a7LoXQDbYK9.js

23 ms

FEppCFCt76d.png

FEppCFCt76d.png

14 ms

Telegram.svg

Telegram.svg

898 ms

Weibo.svg

Weibo.svg

889 ms

QQ2.svg

QQ2.svg

913 ms

xing.svg

xing.svg

1032 ms

pinit.js

pinit.js

33 ms

css

css

14 ms

hive-blog-logo-150x150-1.png

hive-blog-logo-150x150-1.png

883 ms

pinit_main.js

pinit_main.js

30 ms

in-logo.png

in-logo.png

1679 ms

in-logo-white.png

in-logo-white.png

886 ms

gdpr-logo.png

gdpr-logo.png

893 ms

font

font

161 ms

font

font

195 ms

font

font

205 ms

Gunnar-Heilmann-LightPainting-Berlin-WhitePocket-2200pxbanner.jpg

Gunnar-Heilmann-LightPainting-Berlin-WhitePocket-2200pxbanner.jpg

1201 ms

Accessibility Review

gunnarheilmann.com accessibility score

87

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

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

gunnarheilmann.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

gunnarheilmann.com SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gunnarheilmann.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 Gunnarheilmann.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

gunnarheilmann.com

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