Report Summary

  • 0

    Performance

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

tomchemie.de

TOMCHEMIE - FORUM -Foren für Chemie Physik Mathe Biologie Chemikalien - Das Portal fuer Wissenschaft und Industrie

Page Load Speed

2.3 sec in total

First Response

387 ms

Resources Loaded

1.7 sec

Page Rendered

148 ms

tomchemie.de screenshot

About Website

Visit tomchemie.de now to see the best up-to-date TOMCHEMIE content for Germany and also check out these interesting facts you probably never knew about tomchemie.de

Visit tomchemie.de

Key Findings

We analyzed Tomchemie.de page load time and found that the first response time was 387 ms and then it took 1.9 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

tomchemie.de performance score

0

Network Requests Diagram

tomchemie.de

387 ms

top.htm

222 ms

left.htm

327 ms

main.htm

224 ms

code.php

274 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 50% of them (5 requests) were addressed to the original Tomchemie.de, 20% (2 requests) were made to Pub6.bravenet.com and 20% (2 requests) were made to Assets.bravenet.com. The less responsive or slowest element that took the longest time to load (986 ms) belongs to the original domain Tomchemie.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 597 B (0%)

Content Size

216.6 kB

After Optimization

216.0 kB

In fact, the total size of Tomchemie.de main page is 216.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 215.5 kB which makes up the majority of the site volume.

HTML Optimization

-49%

Potential reduce by 561 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 585 B

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 561 B or 49% of the original size.

Image Optimization

-0%

Potential reduce by 36 B

  • Original 215.5 kB
  • After minification 215.4 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. TOMCHEMIE images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TOMCHEMIE. According to our analytics all requests are already optimized.

Accessibility Review

tomchemie.de accessibility score

33

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

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

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

tomchemie.de 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

SEO Factors

tomchemie.de SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tomchemie.de can be misinterpreted by Google and other search engines. Our service has detected that German 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 Tomchemie.de main page’s claimed encoding is windows-1252. 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 TOMCHEMIE. 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: