MARC-STEVENS.NL Marc Stevens - Research

marc-stevens.nl Website Information

Daily Unique Visits: 5,048

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Income Per Day: $57

Estimated Value: $30,780

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The highest website marc-stevens.nl position in Alexa rank database was 84175 and the lowest rank position was 999173. Current position of marc-stevens.nl in Alexa rank database is 248583.

Desktop speed score of marc-stevens.nl (89/100) is better than the results of 87.7% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of marc-stevens.nl (66/100) is better than the results of 14.96% of other sites and means that the page is not mobile-friendly.

Mobile speed score of marc-stevens.nl (81/100) is better than the results of 88.68% of other sites and shows that the landing page performance on mobile devices is excellent.

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marc-stevens.nl Alexa Rank

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Domain name: marc-stevens.nl
Status: active

Reseller:
TransIP
Vondellaan 47
2332AA Leiden
Netherlands

Registrar:
team.blue nl B.V.
Vondellaan 47
2332AA Leiden
Netherlands

Abuse Contact:
abuse@nl.team.blue

Creation Date: 2011-02-09

Updated Date: 2022-05-19

DNSSEC: yes

Domain nameservers:
ns1.transip.nl
ns2.transip.eu
ns0.transip.net

Record maintained by: SIDN BV

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marc-stevens.nl server information

Servers Location

marc-stevens.nl desktop page speed rank

Last tested: 2019-03-21


Desktop Speed Good
89/100

marc-stevens.nl Desktop Speed Test Quick Summary


priority - 6Avoid landing page redirects

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

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https://marc-stevens.nl/
https://marc-stevens.nl/research
https://marc-stevens.nl/research/

priority - 2Prioritize visible content

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Only about 66% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:

priority - 1Leverage 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://marc-stevens.nl/research/portrait2.jpg (expiration not specified)
https://ssl.google-analytics.com/ga.js (2 hours)

priority - 1Enable compression

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priority - 0Optimize images

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priority - 0Minify HTML

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marc-stevens.nl Desktop Resource Breakdown

Total Resources7
Number of Hosts2
Static Resources2
JavaScript Resources1

marc-stevens.nl mobile page speed rank

Last tested: 2019-03-21


Mobile Speed Medium
81/100

marc-stevens.nl Mobile Speed Test Quick Summary


priority - 19Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

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

http://marc-stevens.nl/
https://marc-stevens.nl/
https://marc-stevens.nl/research
https://marc-stevens.nl/research/

priority - 1Leverage 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://marc-stevens.nl/research/portrait2.jpg (expiration not specified)
https://ssl.google-analytics.com/ga.js (2 hours)

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 8.8KiB (65% reduction).

Compressing https://marc-stevens.nl/research/ could save 8.8KiB (65% reduction).

priority - 0Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 4.5KiB (21% reduction).

Compressing https://marc-stevens.nl/research/portrait2.jpg could save 4.5KiB (21% reduction).

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.

Minify HTML for the following resources to reduce their size by 2.2KiB (17% reduction).

Minifying https://marc-stevens.nl/research/ could save 2.2KiB (17% reduction).

marc-stevens.nl Mobile Resource Breakdown

Total Resources7
Number of Hosts2
Static Resources2
JavaScript Resources1

marc-stevens.nl mobile page usability

Last tested: 2019-03-21


Mobile Usability Medium
66/100

marc-stevens.nl Mobile Usability Test Quick Summary


priority - 40Use 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.

(Dutch nationa…: Board Member and 4 others render only 6 pixels tall (16 CSS pixels).

Centrum Wiskunde & Informatica and 4 others render only 6 pixels tall (16 CSS pixels).

Grants, Honors and Awards and 3 others render only 7 pixels tall (19 CSS pixels).

. Yearly prize…12,000 euros. and 89 others render only 6 pixels tall (16 CSS pixels).

New improved r…ection library and 3 others render only 6 pixels tall (16 CSS pixels).

https://marc-s…5-1_source.zip and 37 others render only 6 pixels tall (16 CSS pixels).

Refined Probab…ultiple Rounds and 40 others render only 6 pixels tall (16 CSS pixels).

See also and 1 others render only 6 pixels tall (16 CSS pixels).
My GitHub repositories page renders only 6 pixels tall (16 CSS pixels).

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 1,010 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <a href="http://www.cwi.nl/">Centrum Wiskunde &amp; Informatica</a> falls outside the viewport.

priority - 0Size 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="https://github.com/fplll/g6k">G6K library</a> and 2 others are close to other tap targets.

The tap target <a href="http://eprint.…g/2019/089.pdf">(PDF)</a> and 1 others are close to other tap targets.

marc-stevens.nl HTML validation

Errors

The character encoding was not declared. Proceeding using “windows-1252”.

Line: Column: -
"......"

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

Line: 26 Column: 1 - 48
"... <tr><td> <img src="portrait2.jpg" style="height:15em;" />&nbsp;..."

Bad value “papers/PhD Thesis Marc Stevens - Attacks on Hash Functions and Applications.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Line: 143 Column: 1 - 90
"...D thesis, <a href="papers/PhD Thesis Marc Stevens - Attacks on Hash Functions and Applications.pdf">(PDF)<..."

Bad value “papers/MTh Marc Stevens - On Collisions for MD5.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Line: 172 Column: 1 - 62
"...s, 2007, <a href="papers/MTh Marc Stevens - On Collisions for MD5.pdf">(PDF)<..."

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Line: 5 Column: 1 - 31
"...h</title> <script type="text/javascript"> var..."

Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.

Line: 2 Column: 16 - 6
"...TYPE html> <html> <head..."

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marc-stevens.nl Ping

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marc-stevens.nl 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.