Tools & Wizards About Us
gtc.de screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

gtc.de

E-Mailing, Fax-Mailing, SMS-Mailing: GTC TeleCommunication GmbH

Page Load Speed

4 sec in total

First Response

244 ms

Resources Loaded

3.4 sec

Page Rendered

309 ms

gtc.de screenshot

About Website

Click here to check amazing GTC content for Germany. Otherwise, check out these important facts you probably never knew about gtc.de

GTC TeleCommunication GmbH - Ihr Telekommunikationsdienstleister aus Stuttgart bieten Ihnen Dienstleistungen rund um E-Mail, Fax und SMS sowie Telefonkonferenzen und Webkonferenzen. Neben dem Versand ...

Visit gtc.de

Key Findings

We analyzed Gtc.de page load time and found that the first response time was 244 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

gtc.de performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value3.0 s

93/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

gtc.de

244 ms

gtc.de

730 ms

merged-acfb1efeec69e72a7789e651e7374d9b-1245f5f5a6ed00fc33acdc6cdd5d3472.css.gzip

136 ms

merged-dad548c4031c2f8c579c51e733cfd46f-46dc0cf616d440f4fd235d58129a39d1.css.gzip

252 ms

merged-386ecafd68337a292b70e141619258d9-d73677f75a6a09ad75b7579e10ba3620.css.gzip

318 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that all of those requests were addressed to Gtc.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Gtc.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 162.5 kB (24%)

Content Size

679.5 kB

After Optimization

517.0 kB

  • HTML
  • Images

In fact, the total size of Gtc.de main page is 679.5 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. 40% of websites need less resources to load. Images take 567.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 96.7 kB

  • Original 112.0 kB
  • After minification 101.9 kB
  • After compression 15.3 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 96.7 kB or 86% of the original size.

Image Optimization

-12%

Potential reduce by 65.8 kB

  • Original 567.5 kB
  • After minification 501.7 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. Obviously, GTC needs image optimization as it can save up to 65.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 13 (21%)

Requests Now

61

After Optimization

48

  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GTC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

gtc.de

gtc.de

244 ms

gtc.de

gtc.de

730 ms

merged-acfb1efeec69e72a7789e651e7374d9b-1245f5f5a6ed00fc33acdc6cdd5d3472.css.gzip

merged-acfb1efeec69e72a7789e651e7374d9b-1245f5f5a6ed00fc33acdc6cdd5d3472.css.gzip

136 ms

merged-dad548c4031c2f8c579c51e733cfd46f-46dc0cf616d440f4fd235d58129a39d1.css.gzip

merged-dad548c4031c2f8c579c51e733cfd46f-46dc0cf616d440f4fd235d58129a39d1.css.gzip

252 ms

merged-386ecafd68337a292b70e141619258d9-d73677f75a6a09ad75b7579e10ba3620.css.gzip

merged-386ecafd68337a292b70e141619258d9-d73677f75a6a09ad75b7579e10ba3620.css.gzip

318 ms

merged-c8125fabcd0099924970cfd21ef380c9-15753eb08872b1564dfc6b24038cf596.js.gzip

merged-c8125fabcd0099924970cfd21ef380c9-15753eb08872b1564dfc6b24038cf596.js.gzip

632 ms

merged-e2bddb5c4f39716b20241e1a6864e755-61b7a2c9b5bb7fff036b6315e2ee552a.js.gzip

merged-e2bddb5c4f39716b20241e1a6864e755-61b7a2c9b5bb7fff036b6315e2ee552a.js.gzip

355 ms

GTC-Logo.gif

GTC-Logo.gif

355 ms

email-gelb2.png

email-gelb2.png

355 ms

sms-gelb1.png

sms-gelb1.png

366 ms

kompetenteberatung-icon_01.png

kompetenteberatung-icon_01.png

428 ms

spacer.gif

spacer.gif

431 ms

sicherheit-icon.png

sicherheit-icon.png

439 ms

Icon_Sparschwein_338x124px_01.png

Icon_Sparschwein_338x124px_01.png

440 ms

icon-yellow-03_29.png

icon-yellow-03_29.png

485 ms

csm_Christine_Froehler_Communication_Consultants298x250px_12c1c766c3.png

csm_Christine_Froehler_Communication_Consultants298x250px_12c1c766c3.png

600 ms

csm_Ingram_Martina_Assenmacher_298x250_f175181b81.jpg

csm_Ingram_Martina_Assenmacher_298x250_f175181b81.jpg

590 ms

csm_2017_Festina_Uwe_Streb_298x250_51c244419b.jpg

csm_2017_Festina_Uwe_Streb_298x250_51c244419b.jpg

601 ms

csm_2017_Stadtmobil_EdgarAugel_298x250_6263d7c5f8.jpg

csm_2017_Stadtmobil_EdgarAugel_298x250_6263d7c5f8.jpg

659 ms

csm_2017_schweizerischerKMU_RolandRupp_298x250_ab3966b20d.jpg

csm_2017_schweizerischerKMU_RolandRupp_298x250_ab3966b20d.jpg

660 ms

csm_2017_CreditPlus_ChristofKorr_298x250_28f845c274.jpg

csm_2017_CreditPlus_ChristofKorr_298x250_28f845c274.jpg

731 ms

dhl-gross.gif

dhl-gross.gif

725 ms

bosch-gross.gif

bosch-gross.gif

732 ms

cewe-gross.gif

cewe-gross.gif

749 ms

Ditsch_192px.jpg

Ditsch_192px.jpg

788 ms

umwelttechnik_bw.jpg

umwelttechnik_bw.jpg

777 ms

klett-gross.gif

klett-gross.gif

840 ms

aachen-muenchener-gross.gif

aachen-muenchener-gross.gif

852 ms

festina-gross.gif

festina-gross.gif

855 ms

aquatec-gross.gif

aquatec-gross.gif

865 ms

degudent-gross.gif

degudent-gross.gif

927 ms

svs-gross.gif

svs-gross.gif

920 ms

Logo_Communication_Consultants_300x120px.jpg

Logo_Communication_Consultants_300x120px.jpg

971 ms

cosag-gross.gif

cosag-gross.gif

985 ms

amnesty-gross.gif

amnesty-gross.gif

978 ms

ingram-gross.gif

ingram-gross.gif

976 ms

lawine-gross.gif

lawine-gross.gif

1050 ms

derdeutschewirtschaftsbrief-gross.gif

derdeutschewirtschaftsbrief-gross.gif

1086 ms

weka-gross.gif

weka-gross.gif

965 ms

facebook_grey_40.gif

facebook_grey_40.gif

848 ms

xing_grey_40.gif

xing_grey_40.gif

743 ms

linkedin_grey_40.gif

linkedin_grey_40.gif

750 ms

instagram_40x40.gif

instagram_40x40.gif

811 ms

pinterest_grey_40.gif

pinterest_grey_40.gif

852 ms

Made_in_Germany.png

Made_in_Germany.png

848 ms

csm_DSGVO_160px_7c8c35dd4f.png

csm_DSGVO_160px_7c8c35dd4f.png

799 ms

IHK.png

IHK.png

803 ms

fon-60x50.png

fon-60x50.png

773 ms

contact-60x50.png

contact-60x50.png

851 ms

contactform-36x30.png

contactform-36x30.png

839 ms

news-60x50.png

news-60x50.png

731 ms

header-background.gif

header-background.gif

735 ms

icon-login.png

icon-login.png

738 ms

deutsch.png

deutsch.png

690 ms

Frau_Home_601.jpg

Frau_Home_601.jpg

1393 ms

list-kreuz.png

list-kreuz.png

736 ms

slick.woff

slick.woff

713 ms

referenzen-links.png

referenzen-links.png

738 ms

referenzen-rechts.png

referenzen-rechts.png

737 ms

footer-nav-dot.png

footer-nav-dot.png

722 ms

ajax-loader.gif

ajax-loader.gif

770 ms

merged-bffb01c506013762faab3c25a7abbeb8-eb33640df8a7e97d5126f375a65db87b.css.gzip

merged-bffb01c506013762faab3c25a7abbeb8-eb33640df8a7e97d5126f375a65db87b.css.gzip

118 ms

merged-592d309d1b601ce57c6dd64d8d67822b-714cab828fe40835a7c9e9cd451317fa.css.gzip

merged-592d309d1b601ce57c6dd64d8d67822b-714cab828fe40835a7c9e9cd451317fa.css.gzip

114 ms

merged-ad037cf663dcd465026cd5a8a5180896-a155aad6867f701d7abdfbfcb4ae3820.css.gzip

merged-ad037cf663dcd465026cd5a8a5180896-a155aad6867f701d7abdfbfcb4ae3820.css.gzip

143 ms

Accessibility Review

gtc.de accessibility score

91

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.

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

gtc.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

gtc.de SEO score

89

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

    UTF-8

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

gtc.de

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