46 / 100
Should Fix:
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 377.2KiB (73% reduction).
- Compressing https://lf.net/js/jquery-ui/ui/jquery-ui-1.8rc3.custom.js could save 172.9KiB (75% reduction).
- Compressing https://lf.net/js/jquery-ui/jquery-1.4.2.js could save 115KiB (71% reduction).
- Compressing https://matomo.lf.net/matomo/matomo.js could save 43.5KiB (66% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.theme.css could save 14.3KiB (83% reduction).
- Compressing https://lf.net/css/lf-default.css could save 14KiB (78% reduction).
- Compressing https://lf.net/ could save 6.6KiB (70% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.datepicker.css could save 2.8KiB (75% reduction).
- Compressing https://lf.net/static/npm/node_modules/jquery.cookie-consent/src/jquery.cookie-consent.js could save 2KiB (60% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.button.css could save 1.2KiB (66% reduction).
- Compressing https://lf.net/css/prod-specs.css could save 955B (60% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.dialog.css could save 747B (62% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.core.css could save 727B (53% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.tabs.css could save 708B (59% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.slider.css could save 626B (65% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.accordion.css could save 493B (61% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.autocomplete.css could save 383B (50% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.base.css could save 224B (64% reduction).
Show how to fix
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
- https://lf.net/css/lf-default.css (expiration not specified)
- https://lf.net/css/prod-specs.css (expiration not specified)
- https://lf.net/images/0.gif (expiration not specified)
- https://lf.net/images/icons/int-link.png (expiration not specified)
- https://lf.net/images/icons/print.gif (expiration not specified)
- https://lf.net/images/index-pics/home.jpg (expiration not specified)
- https://lf.net/images/lfnet.gif (expiration not specified)
- https://lf.net/js/jquery-ui/jquery-1.4.2.js (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.accordion.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.all.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.autocomplete.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.base.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.button.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.core.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.datepicker.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.dialog.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.progressbar.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.slider.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.tabs.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.theme.css (expiration not specified)
- https://lf.net/js/jquery-ui/ui/jquery-ui-1.8rc3.custom.js (expiration not specified)
- https://lf.net/static/npm/node_modules/jquery.cookie-consent/src/jquery.cookie-consent.js (expiration not specified)
- https://matomo.lf.net/matomo/matomo.js (expiration not specified)
Show how to fix
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 143.5KiB (37% reduction).
- Minifying https://lf.net/js/jquery-ui/ui/jquery-ui-1.8rc3.custom.js could save 80.2KiB (36% reduction).
- Minifying https://lf.net/js/jquery-ui/jquery-1.4.2.js could save 62.6KiB (40% reduction).
- Minifying https://lf.net/static/npm/node_modules/jquery.cookie-consent/src/jquery.cookie-consent.js could save 708B (22% reduction).
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 14 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
- https://lf.net/js/jquery-ui/jquery-1.4.2.js
- https://lf.net/js/jquery-ui/ui/jquery-ui-1.8rc3.custom.js
- https://lf.net/static/npm/node_modules/jquery.cookie-consent/src/jquery.cookie-consent.js
Optimize CSS Delivery of the following:
- https://lf.net/css/lf-default.css
- https://lf.net/css/prod-specs.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.all.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.base.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.theme.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.core.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.accordion.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.autocomplete.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.button.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.dialog.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.slider.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.tabs.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.datepicker.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.progressbar.css
Show how to fix
Consider Fixing:
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 11KiB (23% reduction).
- Minifying https://lf.net/css/lf-default.css could save 5.1KiB (29% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.theme.css could save 2.9KiB (18% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.core.css could save 601B (45% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.datepicker.css could save 554B (15% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.button.css could save 527B (28% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.tabs.css could save 389B (33% reduction).
- Minifying https://lf.net/css/prod-specs.css could save 375B (24% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.autocomplete.css could save 227B (30% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.dialog.css could save 152B (13% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.slider.css could save 133B (14% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.accordion.css could save 114B (15% reduction).
Show how to fix
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 2.5KiB (28% reduction).
- Minifying https://lf.net/ could save 2.5KiB (28% reduction).
Show how to fix
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 31KiB (86% reduction).
- Compressing https://lf.net/images/index-pics/home.jpg could save 30.8KiB (88% reduction).
- Compressing https://lf.net/images/icons/print.gif could save 139B (23% reduction).
Show how to fix
3 Passed Rules
66 / 100
Should Fix:
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
- The tap target
<a href="/kontakt/impressum.php#6">hier</a>
is close to 1 other tap targets final.
- The tap target
<a href="/lf/" class="mainnavilink">LF.net</a>
is close to 1 other tap targets final.
- The tap target
<a href="/" class="breadcrumb">Startseite</a>
is close to 1 other tap targets final.
- The tap target
<a href="/print/"></a>
is close to 5 other tap targets final.
- The tap target
<a href="/index.php" class="staticlink">» Startseite</a>
and 4 others are close to other tap targets final.
- The tap target
<input type="text" name="words">
is close to 2 other tap targets final.
- The tap target
<input type="submit">
is close to 3 other tap targets final.
- The tap target
<input type="text" name="domain">
is close to 2 other tap targets final.
- The tap target
<input type="submit">
is close to 4 other tap targets final.
- The tap target
<a href="/lf/news/news.php?nid=284">Newsletter Juni 2019</a>
and 1 others are close to other tap targets final.
- The tap target
<a href="/lf/news/news.php?nid=284" class="newslink">weiter zur Nachricht</a>
is close to 1 other tap targets final.
Show how to fix
Use legible font sizes
The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.
The following text fragments have a small font size. Increase the font size to make them more legible.
Diese Webseite…ung finden Sie
and 1 others render only 5 pixels tall (14 CSS pixels) final.
hier
renders only 5 pixels tall (14 CSS pixels) final.
Einverstanden
renders only 5 pixels tall (13 CSS pixels) final.
Internetdienste
and 4 others render only 5 pixels tall (12 CSS pixels) final.
» Impressum/Datenschutz
and 5 others render only 4 pixels tall (10 CSS pixels) final.
Herzlich willk…in Stuttgart!
renders only 6 pixels tall (16 CSS pixels) final.
Unser redundan…nabhängigkeit.
and 4 others render only 5 pixels tall (13 CSS pixels) final.
Leistungen
and 1 others render only 5 pixels tall (13 CSS pixels) final.
Domain Abfrage
and 1 others render only 4 pixels tall (10 CSS pixels) final.
13.05.2019
and 1 others render only 3 pixels tall (9 CSS pixels) final.
Newsletter Juni 2019
and 1 others render only 4 pixels tall (10 CSS pixels) final.
SSL-Zertifikat…r Ihren Server
and 1 others render only 4 pixels tall (11 CSS pixels) final.
weiter zur Nachricht
and 1 others render only 3 pixels tall (9 CSS pixels) final.
Show how to fix
2 Passed Rules
Show details
Avoid plugins
Your page does not appear to use plugins, which would prevent content from being usable on many platforms. Learn more about the importance of avoiding plugins.
Size content to viewport
The contents of your page fit within the viewport. Learn more about sizing content to the viewport.
56 / 100
Should Fix:
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 377.2KiB (73% reduction).
- Compressing https://lf.net/js/jquery-ui/ui/jquery-ui-1.8rc3.custom.js could save 172.9KiB (75% reduction).
- Compressing https://lf.net/js/jquery-ui/jquery-1.4.2.js could save 115KiB (71% reduction).
- Compressing https://matomo.lf.net/matomo/matomo.js could save 43.5KiB (66% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.theme.css could save 14.3KiB (83% reduction).
- Compressing https://lf.net/css/lf-default.css could save 14KiB (78% reduction).
- Compressing https://lf.net/ could save 6.6KiB (70% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.datepicker.css could save 2.8KiB (75% reduction).
- Compressing https://lf.net/static/npm/node_modules/jquery.cookie-consent/src/jquery.cookie-consent.js could save 2KiB (60% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.button.css could save 1.2KiB (66% reduction).
- Compressing https://lf.net/css/prod-specs.css could save 955B (60% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.dialog.css could save 747B (62% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.core.css could save 727B (53% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.tabs.css could save 708B (59% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.slider.css could save 626B (65% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.accordion.css could save 493B (61% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.autocomplete.css could save 383B (50% reduction).
- Compressing https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.base.css could save 224B (64% reduction).
Show how to fix
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
- https://lf.net/css/lf-default.css (expiration not specified)
- https://lf.net/css/prod-specs.css (expiration not specified)
- https://lf.net/images/0.gif (expiration not specified)
- https://lf.net/images/icons/int-link.png (expiration not specified)
- https://lf.net/images/icons/print.gif (expiration not specified)
- https://lf.net/images/index-pics/home.jpg (expiration not specified)
- https://lf.net/images/lfnet.gif (expiration not specified)
- https://lf.net/js/jquery-ui/jquery-1.4.2.js (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.accordion.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.all.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.autocomplete.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.base.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.button.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.core.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.datepicker.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.dialog.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.progressbar.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.slider.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.tabs.css (expiration not specified)
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.theme.css (expiration not specified)
- https://lf.net/js/jquery-ui/ui/jquery-ui-1.8rc3.custom.js (expiration not specified)
- https://lf.net/static/npm/node_modules/jquery.cookie-consent/src/jquery.cookie-consent.js (expiration not specified)
- https://matomo.lf.net/matomo/matomo.js (expiration not specified)
Show how to fix
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 143.5KiB (37% reduction).
- Minifying https://lf.net/js/jquery-ui/ui/jquery-ui-1.8rc3.custom.js could save 80.2KiB (36% reduction).
- Minifying https://lf.net/js/jquery-ui/jquery-1.4.2.js could save 62.6KiB (40% reduction).
- Minifying https://lf.net/static/npm/node_modules/jquery.cookie-consent/src/jquery.cookie-consent.js could save 708B (22% reduction).
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 14 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
- https://lf.net/js/jquery-ui/jquery-1.4.2.js
- https://lf.net/js/jquery-ui/ui/jquery-ui-1.8rc3.custom.js
- https://lf.net/static/npm/node_modules/jquery.cookie-consent/src/jquery.cookie-consent.js
Optimize CSS Delivery of the following:
- https://lf.net/css/lf-default.css
- https://lf.net/css/prod-specs.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.all.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.base.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.theme.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.core.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.accordion.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.autocomplete.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.button.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.dialog.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.slider.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.tabs.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.datepicker.css
- https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.progressbar.css
Show how to fix
Consider Fixing:
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 11KiB (23% reduction).
- Minifying https://lf.net/css/lf-default.css could save 5.1KiB (29% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.theme.css could save 2.9KiB (18% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.core.css could save 601B (45% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.datepicker.css could save 554B (15% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.button.css could save 527B (28% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.tabs.css could save 389B (33% reduction).
- Minifying https://lf.net/css/prod-specs.css could save 375B (24% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.autocomplete.css could save 227B (30% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.dialog.css could save 152B (13% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.slider.css could save 133B (14% reduction).
- Minifying https://lf.net/js/jquery-ui/themes/smoothness/jquery.ui.accordion.css could save 114B (15% reduction).
Show how to fix
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 2.5KiB (28% reduction).
- Minifying https://lf.net/ could save 2.5KiB (28% reduction).
Show how to fix
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 31KiB (86% reduction).
- Compressing https://lf.net/images/index-pics/home.jpg could save 30.8KiB (88% reduction).
- Compressing https://lf.net/images/icons/print.gif could save 139B (23% reduction).
Show how to fix
3 Passed Rules
* The results are cached for 30s. If you have made changes to your page, please wait for 30s before re-running the test.