Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

buchhandlung-hector.de

Buchhandlung Hector - Wissenschaftliche Bücher und ebooks online kaufen

Page Load Speed

2.9 sec in total

First Response

278 ms

Resources Loaded

2.5 sec

Page Rendered

175 ms

About Website

Visit buchhandlung-hector.de now to see the best up-to-date Buchhandlung Hector content and also check out these interesting facts you probably never knew about buchhandlung-hector.de

Die wissenschaftliche Buchhandlung Theo Hector in Frankfurt - Bücher online kaufen. Jetzt neu - ebooks online kaufen

Visit buchhandlung-hector.de

Key Findings

We analyzed Buchhandlung-hector.de page load time and found that the first response time was 278 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

buchhandlung-hector.de performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

buchhandlung-hector.de

278 ms

www.buchhandlung-hector.de

272 ms

www.buchhandlung-hector.de

1129 ms

thrColFixHdr.css

220 ms

spacer.gif

324 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Buchhandlung-hector.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Buchhandlung-hector.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 195.7 kB (47%)

Content Size

415.5 kB

After Optimization

219.8 kB

In fact, the total size of Buchhandlung-hector.de main page is 415.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 193.8 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 170.2 kB

  • Original 189.9 kB
  • After minification 181.1 kB
  • After compression 19.7 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 170.2 kB or 90% of the original size.

Image Optimization

-7%

Potential reduce by 12.8 kB

  • Original 193.8 kB
  • After minification 181.0 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. Buchhandlung Hector images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-86%

Potential reduce by 12.6 kB

  • Original 14.7 kB
  • After minification 10.3 kB
  • After compression 2.0 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. Buchhandlung-hector.de needs all CSS files to be minified and compressed as it can save up to 12.6 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buchhandlung Hector. According to our analytics all requests are already optimized.

Accessibility Review

buchhandlung-hector.de accessibility score

80

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.

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

buchhandlung-hector.de best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

buchhandlung-hector.de SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Buchhandlung-hector.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Buchhandlung-hector.de main page’s claimed encoding is iso-8859-1. 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 Buchhandlung Hector. 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: