Tools & Wizards About Us
humboldttoursberlin.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

humboldttoursberlin.com

Home - Humboldt Tours - Tailored Private tours in Berlin

Page Load Speed

7.1 sec in total

First Response

2.2 sec

Resources Loaded

4.4 sec

Page Rendered

514 ms

humboldttoursberlin.com screenshot

About Website

Welcome to humboldttoursberlin.com homepage info - get ready to check Humboldt Tours Berlin best content right away, or after learning these important things about humboldttoursberlin.com

Bespoke private tours in Berlin for curious guests. Explore Berlin's past & present with an experienced guide & tailored itinerary. Contact our team today.

Visit humboldttoursberlin.com

Key Findings

We analyzed Humboldttoursberlin.com page load time and found that the first response time was 2.2 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

humboldttoursberlin.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value43.4 s

0/100

25%

SI (Speed Index)

Value30.7 s

0/100

10%

TBT (Total Blocking Time)

Value1,810 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.154

74/100

15%

TTI (Time to Interactive)

Value43.2 s

0/100

10%

Network Requests Diagram

humboldttoursberlin.com

2212 ms

js

15 ms

js

56 ms

wp-emoji-release.min.js

292 ms

style.min.css

403 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 74% of them (70 requests) were addressed to the original Humboldttoursberlin.com, 7% (7 requests) were made to Fonts.gstatic.com and 4% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Humboldttoursberlin.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.8 MB (52%)

Content Size

5.4 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Humboldttoursberlin.com main page is 5.4 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. Only a small number of websites need less resources to load. Javascripts take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 234.1 kB

  • Original 272.5 kB
  • After minification 269.3 kB
  • After compression 38.4 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 234.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 3.0 kB

  • Original 1.1 MB
  • After minification 1.1 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. Humboldt Tours Berlin images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 960.7 kB

  • Original 2.1 MB
  • After minification 2.1 MB
  • After compression 1.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 960.7 kB or 45% of the original size.

CSS Optimization

-86%

Potential reduce by 1.6 MB

  • Original 1.9 MB
  • After minification 1.8 MB
  • After compression 265.0 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. Humboldttoursberlin.com needs all CSS files to be minified and compressed as it can save up to 1.6 MB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 65 (79%)

Requests Now

82

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Humboldt Tours Berlin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 35 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

humboldttoursberlin.com

humboldttoursberlin.com

2212 ms

js

js

15 ms

js

js

56 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

292 ms

style.min.css

style.min.css

403 ms

styles.css

styles.css

211 ms

cookie-law-info-public.css

cookie-law-info-public.css

200 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

298 ms

style.min.css

style.min.css

305 ms

icomoon-the7-font.min.css

icomoon-the7-font.min.css

407 ms

all.min.css

all.min.css

360 ms

back-compat.min.css

back-compat.min.css

398 ms

icomoon-font-awesome-14x14.css

icomoon-font-awesome-14x14.css

507 ms

borlabs-cookie_1_en.css

borlabs-cookie_1_en.css

509 ms

35 ms

js_composer_front_custom.css

js_composer_front_custom.css

683 ms

css

css

33 ms

main.min.css

main.min.css

803 ms

custom-scrollbar.min.css

custom-scrollbar.min.css

502 ms

wpbakery.min.css

wpbakery.min.css

523 ms

post-type.min.css

post-type.min.css

616 ms

css-vars.css

css-vars.css

637 ms

custom.css

custom.css

917 ms

media.css

media.css

728 ms

mega-menu.css

mega-menu.css

718 ms

post-type-dynamic.css

post-type-dynamic.css

744 ms

style.css

style.css

781 ms

css

css

50 ms

style.min.css

style.min.css

831 ms

headings.min.css

headings.min.css

831 ms

animate.min.css

animate.min.css

988 ms

interactive-styles.min.css

interactive-styles.min.css

901 ms

jetpack.css

jetpack.css

911 ms

jquery.min.js

jquery.min.js

1071 ms

jquery-migrate.min.js

jquery-migrate.min.js

975 ms

language-cookie.js

language-cookie.js

1007 ms

frontend-gtag.min.js

frontend-gtag.min.js

1014 ms

cookie-law-info-public.js

cookie-law-info-public.js

1025 ms

above-the-fold.min.js

above-the-fold.min.js

1108 ms

ultimate-params.min.js

ultimate-params.min.js

1200 ms

jquery-appear.min.js

jquery-appear.min.js

1217 ms

js

js

36 ms

custom.min.js

custom.min.js

924 ms

headings.min.js

headings.min.js

1005 ms

css

css

17 ms

api.js

api.js

38 ms

e-202436.js

e-202436.js

14 ms

background-style.min.css

background-style.min.css

1044 ms

cookie-law-info-table.css

cookie-law-info-table.css

1007 ms

rs6.css

rs6.css

1000 ms

main.min.js

main.min.js

1243 ms

scripts.js

scripts.js

1086 ms

rbtools.min.js

rbtools.min.js

1049 ms

rs6.min.js

rs6.min.js

1688 ms

script.js

script.js

1049 ms

legacy.min.js

legacy.min.js

951 ms

jquery-mousewheel.min.js

jquery-mousewheel.min.js

1067 ms

custom-scrollbar.min.js

custom-scrollbar.min.js

1066 ms

integration-kit-bundle.js

integration-kit-bundle.js

180 ms

js_composer_front.min.js

js_composer_front.min.js

1052 ms

ultimate_bg.min.js

ultimate_bg.min.js

957 ms

vhparallax.min.js

vhparallax.min.js

1098 ms

borlabs-cookie.min.js

borlabs-cookie.min.js

956 ms

de.png

de.png

453 ms

en.png

en.png

454 ms

LOGO-FINAL-sticky-1.png

LOGO-FINAL-sticky-1.png

453 ms

LOGO-FINAL-main.png

LOGO-FINAL-main.png

835 ms

the7-chevron-down.svg

the7-chevron-down.svg

851 ms

dummy.png

dummy.png

853 ms

mice-thumb.jpg

mice-thumb.jpg

854 ms

Tailor-Made-Tours.jpg

Tailor-Made-Tours.jpg

856 ms

icomoon-the7-font.ttf

icomoon-the7-font.ttf

792 ms

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memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVQUwaEQXjM.woff

23 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQUwaEQXjM.woff

92 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQUwaEQXjM.woff

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148 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVQUwaEQXjM.woff

156 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQUwaEQXjM.woff

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157 ms

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KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

156 ms

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156 ms

315 ms

style-cart.a02642c318da0638f31a.css

style-cart.a02642c318da0638f31a.css

91 ms

fonts.eacdf4961de415ddab83.css

fonts.eacdf4961de415ddab83.css

487 ms

output.018d63fa1f96.js

output.018d63fa1f96.js

368 ms

js

js

22 ms

djangojs.js

djangojs.js

366 ms

output.bdc51e6f5a50.js

output.bdc51e6f5a50.js

386 ms

BerlinTours--250x100.jpg

BerlinTours--250x100.jpg

142 ms

Potsdam-250x100.jpg

Potsdam-250x100.jpg

141 ms

Hamburg-hero-image-250x100.jpg

Hamburg-hero-image-250x100.jpg

140 ms

Dresden-hero-250x100.jpg

Dresden-hero-250x100.jpg

142 ms

prague-250x100.jpg

prague-250x100.jpg

140 ms

vienna-250x100.jpg

vienna-250x100.jpg

141 ms

fa-solid-900.woff

fa-solid-900.woff

242 ms

fa-regular-400.woff

fa-regular-400.woff

141 ms

Accessibility Review

humboldttoursberlin.com accessibility score

74

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

humboldttoursberlin.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

humboldttoursberlin.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 Humboldttoursberlin.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 Humboldttoursberlin.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

humboldttoursberlin.com

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