Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

historytours.de

Bunkertouren & historische Reisen - Wild Ost - Historytours

Page Load Speed

5.5 sec in total

First Response

430 ms

Resources Loaded

4.5 sec

Page Rendered

481 ms

historytours.de screenshot

About Website

Click here to check amazing Historytours content. Otherwise, check out these important facts you probably never knew about historytours.de

Reisen in Kleingruppen an historische Schauplätze rund um die Welt mit Bunkerführungen und militärischen Anlagen. Historische Schauplätze vergangener Konflikte und ihren bis heute sichtbaren Spuren.

Visit historytours.de

Key Findings

We analyzed Historytours.de page load time and found that the first response time was 430 ms and then it took 5 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

historytours.de performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value1,970 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

historytours.de

430 ms

www.historytours.de

1453 ms

stylesheet.css

241 ms

jquery-1.2.6.min.js

341 ms

jquery.countdown.js

231 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 59% of them (63 requests) were addressed to the original Historytours.de, 19% (20 requests) were made to Scontent.xx.fbcdn.net and 18% (19 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Historytours.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 370.5 kB (22%)

Content Size

1.7 MB

After Optimization

1.3 MB

In fact, the total size of Historytours.de main page is 1.7 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. 50% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 72.1 kB

  • Original 88.0 kB
  • After minification 76.4 kB
  • After compression 15.9 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. This page needs HTML code to be minified as it can gain 11.6 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 72.1 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 41.1 kB

  • Original 1.2 MB
  • After minification 1.2 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. Historytours images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 227.1 kB

  • Original 308.9 kB
  • After minification 260.4 kB
  • After compression 81.9 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 227.1 kB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 30.2 kB

  • Original 36.2 kB
  • After minification 26.5 kB
  • After compression 6.0 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. Historytours.de needs all CSS files to be minified and compressed as it can save up to 30.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 59 (56%)

Requests Now

105

After Optimization

46

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Historytours. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

historytours.de 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

historytours.de best practices score

67

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

SEO Factors

historytours.de SEO score

92

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

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

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-15

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Historytours.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Historytours.de main page’s claimed encoding is iso-8859-15. 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 Historytours. 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: