mathebibel.de: Die Mathe-Lernplattform #1

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Domain: mathebibel.de
Status: connect

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mathebibel.de desktop page speed rank

Last tested: 2018-08-20

Desktop Speed Medium

77/100

mathebibel.de Desktop Speed Test Quick Summary

priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 9Avoid landing page redirects

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mathebibel.de Desktop Resource Breakdown

Total Resources	158
Number of Hosts	91
Static Resources	33
JavaScript Resources	37
CSS Resources	3

mathebibel.de mobile page speed rank

Last tested: 2018-08-20

Mobile Speed Bad

51/100

mathebibel.de Mobile Speed Test Quick Summary

priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 10 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

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priority - 34Avoid landing page redirects

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priority - 8Prioritize visible content

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Only about 69% of the final above-the-fold content could be rendered with the full HTML response.

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priority - 6Leverage 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:

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https://www.googletagservices.com/tag/js/gpt.js (15 minutes)
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https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 1Enable compression

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Compressing https://bh.contextweb.com/visitormatch could save 3.9KiB (66% reduction).
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priority - 0Minify CSS

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priority - 0Minify HTML

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priority - 0Minify JavaScript

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mathebibel.de Mobile Resource Breakdown

Total Resources	211
Number of Hosts	102
Static Resources	43
JavaScript Resources	41
CSS Resources	5

mathebibel.de mobile page usability

Last tested: 2018-08-20

Mobile Usability Good

98/100

mathebibel.de Mobile Usability Test Quick Summary

priority - 1Size 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 <button type="submit">Suchen</button> is close to 1 other tap targets.

The tap target <a href="#skipNavigation6" class="invisible">Navigation überspringen</a> is close to 1 other tap targets.
The tap target <a href="erklaerungen" class="sibling first">Erklärungen</a> and 2 others are close to other tap targets.

mathebibel.de HTML validation

Errors

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Line: 30 Column: - 22
"... charset="utf-8"> <meta http-..."

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Line: 31 Column: 2 - 63
"..."utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <met..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 1593 Column: 3 - 86
"...image"> <img src="files/bilder/andreas-schneider-startseite.png" width="320" height="360" /> </di..."

Warnings

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 1583 Column: 3 - 25
"...header> <section id="tag-line"> ..."

Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)

Line: 1612 Column: - 43
"...ox" data-icon=""> <span cla..."

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mathebibel.de Ping

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mathebibel.de TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.

MATHEBIBEL.DE Die Mathe-Lernplattform #1 | Mathebibel

mathebibel.de Website Information

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mathebibel.de server information

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mathebibel.de desktop page speed rank

mathebibel.de Desktop Speed Test Quick Summary

priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 6 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 9Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

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priority - 4Leverage 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:

priority - 1Enable compression

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Enable compression for the following resources to reduce their transfer size by 7.6KiB (62% reduction).

priority - 0Minify CSS

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priority - 0Minify JavaScript

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priority - 0Minify 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.

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mathebibel.de Desktop Resource Breakdown

mathebibel.de mobile page speed rank

mathebibel.de Mobile Speed Test Quick Summary

priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 10 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 34Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

priority - 6Leverage 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:

priority - 1Enable 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 12.7KiB (69% reduction).

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

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priority - 0Minify HTML

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priority - 0Minify JavaScript

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mathebibel.de Mobile Resource Breakdown

mathebibel.de mobile page usability

mathebibel.de Mobile Usability Test Quick Summary

priority - 1Size 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.

mathebibel.de HTML validation

Errors

A “charset” attribute on a “meta” element found after the first 1024 bytes.

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Warnings

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)

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mathebibel.de Ping

mathebibel.de TRACEROUTE