Report for sqrt.ch

Overall8.2

The overall score for this website.

Accessibility10.0

How accessible the website is to mobile and disabled users.

Experience8.2

How satisfying the website is likely to be for users.

Marketing4.4

How well marketed, and popular the website is.

Technology9.7

How well designed and built the website is.

Screenshot of sqrt.ch

Nibbler tested a sample of 5 pages from this website at 20:27 on 15 May 2021 (BST).

Want branded website audits to share with your clients? Learn More

Top priorities for website improvement

  • Consider a leading website analytics solution, such as WebTrends or Google Analytics. (read more)
  • Sign up for a Twitter account and make sure it is linked to from your site. (read more)
  • To appear higher in search engine results, consider link building activity as a way to build your search ranking. Be careful though, because incoming links which are obviously artificial are likely to be detected by search engines and could have an adverse effect. (read more)

Twitter0.0

This website does not appear to be associated with a Twitter account.

  • This website did not contain a link to Twitter.
    • Sign up for a Twitter account and make sure it is linked to from your site.

Analytics0.0

0% of pages use analytics

No Analytics SolutionNo

  • None of this website is using any recognised analytics software. It is still possible to gather a great deal of information from webserver logs, however complete visitor analysis requires client-side Javascript or an image not found here.
    • Consider a leading website analytics solution, such as WebTrends or Google Analytics.
  • Note that this test can only detect recognised analytics solutions. If an analytics solution is new, obscure or used in a non-standard way (e.g. it has been customised) it may not be detected.

Popularity0.0

  • This website has not yet been ranked by Alexa.
    • If this website is new, this is probably normal. Drive traffic to the website to get an Alexa ranking.

Source: Alexa

Images8.1

95% of images have a clearly defined size

72 images are being resized by the browser

Amount of content8.9

Rendering Chart...

  • This website has an average of 1,135 words per page. The amount of content on a website has been shown to correlate with its search engine ranking.

Amount of content discovered

PageCharactersWords
sqrt.ch/956133
sqrt.ch/museum108351793
sqrt.ch/grafik127222044
sqrt.ch/tex2191309
sqrt.ch/radio93041397

Mobile10.0

Mobile screenshot of sqrt.chTablet screenshot of sqrt.ch
  • All of this website appears to be optimised for viewing on a mobile phone or a tablet.

Media specific CSS detected

MediaMin widthMax widthCSS file
all-750pxsqrt.ch/styles/front.css
all750px-sqrt.ch/styles/front.css
all-750pxsqrt.ch/styles/style.css
all750px-sqrt.ch/styles/style.css

Server behaviour10.0

Yes404 page

YesCompression

  • This website handles missing pages correctly by sending a 404 HTTP status code.
  • This website was served with GZIP encoding. This is very good because it reduces the loading time of a web page.
  • This website follows the best practice of using a permanent (HTTP 301) redirect between URLs with/without trailing slashes. This is ideal.
  • This website follows the best practice of using a permanent (HTTP 301) redirect from http://www.sqrt.ch to http://sqrt.ch. This is ideal.

Page titles10.0

100% of pages have defined titles

0% of page titles are weak

  • All pages were found to use page titles appropriately. Page titles appear in search results and at the top of the browser's window when visiting the site. Appropriate page titles are particularly important for search engine optimisation.

Headings10.0

ausser beat bienvenue cantorbaum checkerboard circles code colored conformal copyright curve-art curves date document elektronische emergent envelopes equilateral externe france getfullyear gibt grafiken groups gutes heute hexagon hiq-stream impressum jahr kultur latex lines luminescent math mathematical mathematics matiques mesh models moir museum muster mutual nested nichts optische pattern patterns physics pursuit radio rekursive sierpi sine ski-carpet spotlight sqrt square squares string suche systemzeit triangle triangles uschungen vektorgrafiken vinyl windows write

  • All pages were found to use defined headings. This is excellent as it allows visitors and search engines to summarise the content of webpages quickly. Correctly defined headings aid accessibility and are particularly important for search engine optimisation.

Page headings detail

URLHeadingLevel
sqrt.ch/Willkommen! Benvenuti! Bienvenue sur sqrt.ch !H1
sqrt.ch/«Es gibt nichts Gutes, ausser man tut es.»H2
sqrt.ch/Externe SucheH2
sqrt.ch/Cantorbaum mit QR CodeH2
sqrt.ch/QR CodeH2
sqrt.ch/Systemzeit:H3
sqrt.ch/museumThe Moiré MuseumH1
sqrt.ch/museumGroups of CirclesH2
sqrt.ch/museumColored RaysH2
sqrt.ch/museumBeat the MoiréH2
sqrt.ch/museumNested SquaresH2
sqrt.ch/museumCheckerboard PatternH2
sqrt.ch/museumOp ArtH2
sqrt.ch/museumEmergent SQRTH2
sqrt.ch/museumEquilateral TrianglesH2
sqrt.ch/museumHexagon MeshH2
sqrt.ch/museumMiraculous TilesH2
sqrt.ch/museumNested Squares and CirclesH2
sqrt.ch/museumRose WindowsH2
sqrt.ch/museumSine LinesH2
sqrt.ch/museumLuminescent CurvesH2
sqrt.ch/museumString ModelsH2
sqrt.ch/museumConformal MapH2
sqrt.ch/museumSierpiński-CarpetH2
sqrt.ch/museumMathematical Curve-ArtH2
sqrt.ch/museumMutual Pursuit in a SquareH3
sqrt.ch/museumMutual Pursuit in a TriangleH3
sqrt.ch/museumSpotlight LinesH3
sqrt.ch/museumEnvelopesH3
sqrt.ch/grafikVektorgrafikenH1
sqrt.ch/grafikMoirémuster und optische TäuschungenH2
sqrt.ch/grafikLes mathématiques des moirés | Mathematics of moiré patternsH2
sqrt.ch/grafikMoiré patterns in PhysicsH2
sqrt.ch/grafikRekursive GrafikenH2
sqrt.ch/grafikElektronische Blätter und HefteH2
sqrt.ch/grafikVariaH2
sqrt.ch/grafikKreise, Strecken und PunkteH3
sqrt.ch/grafikSchwebungH3
sqrt.ch/grafikStrahlen (sternförmige Objekte)H3
sqrt.ch/grafikGeschachtelte QuadrateH3
sqrt.ch/grafikEmergente Zeichen: «Linseneffekt»H3
sqrt.ch/grafikKurven und PfadeH3
sqrt.ch/grafikSchachbrettmusterH3
sqrt.ch/grafikDreieckmusterH3
sqrt.ch/grafikWabenstruktur (Hexagonnetz)H3
sqrt.ch/grafikCarreaux miraculeuxH3
sqrt.ch/grafikFensterrosen (rosettenartige Moirébilder)H3
sqrt.ch/grafikKlammern, Wellen und 3D-EffektH3
sqrt.ch/grafikVerfolgungskurvenH3
sqrt.ch/grafikKonforme AbbildungenH3
sqrt.ch/grafikFading EffektH3
sqrt.ch/grafikGlass Muster et al.H3
sqrt.ch/grafikOptische TäuschungenH3
sqrt.ch/grafikAus der ‹openclipart›H3
sqrt.ch/grafikFormeln in HTMLH3
sqrt.ch/grafikCopyright © var heute=new Date();var jahr=heute.getFullYear();document.write(jahr);SQRT.CH | IMPRESSUMH3
sqrt.ch/texArbeiten mit TEXH1
sqrt.ch/texWas ist LATEX?H2
sqrt.ch/texVorteile von LATEXH2
sqrt.ch/texAnleitungen zum BeginnenH2
sqrt.ch/texInstallation von LATEXH2
sqrt.ch/texBeispiele (Kodierung in utf-8)H2
sqrt.ch/texCopyright © var heute=new Date();var jahr=heute.getFullYear();document.write(jahr);SQRT.CH | IMPRESSUMH3
sqrt.ch/radioRadiolinksH1
sqrt.ch/radioWiedergabeliste «Kultur»H2
sqrt.ch/radioKultur, Klassik & JazzH2
sqrt.ch/radioRadio France et Radio France InternationaleH2
sqrt.ch/radioExcellent Radio StreamingH2
sqrt.ch/radioPetite liste pour les grandes ondes | Longwave ShortlistH2
sqrt.ch/radioVinyl, CD oder HiQ-Stream?H2
sqrt.ch/radioVinylH3
sqrt.ch/radioCD/DVDH3
sqrt.ch/radioHiQ-StreamH3
sqrt.ch/radioCopyright © var heute=new Date();var jahr=heute.getFullYear();document.write(jahr);SQRT.CH | IMPRESSUMH3

Meta tags10.0

This is how this website will look in Google search listings:

SQRT.CH - Welcome!

sqrt.ch/

«Die Zahl ist das Wesen aller Dinge.» Pythagoras von Samos (ca. 570 bis ca. 490 v. d. Z.), griechischer Philosoph und Mathematiker.

  • All pages were found to include a meta description. This is good because search engines (like Google) show this text in search result pages.

Meta Tags (name attribute)

Page URLNameContent
sqrt.ch/viewportwidth=device-width, initial-scale=0.45
sqrt.ch/authorMartin Ambauen
sqrt.ch/copyrightMartin AMBAUEN, Zurich, Switzerland
sqrt.ch/keywordssquare root, Quadratwurzel, Quadrat, Wurzel, Vektorgrafiken, Moirémuster, Museum, LaTeX, Mathematik, Physik, physics, mathematics, Materialien, Kaffee, TeX, Radio, Moiré pattern, vector graphics, optical illusions, miracles
sqrt.ch/description«Die Zahl ist das Wesen aller Dinge.» Pythagoras von Samos (ca. 570 bis ca. 490 v. d. Z.), griechischer Philosoph und Mathematiker.
sqrt.ch/museumviewportwidth=device-width, initial-scale=0.5
sqrt.ch/museumauthorMartin Ambauen
sqrt.ch/museumdescriptionWelcome to the Vector Moiré Museum. Moiré phenomena from geometrically repetitive figures are shown here, but you also get links to research topics related to the Moiré effect.
sqrt.ch/museumkeywordsMoiré, moire pattern, moire effect, graphics, optical, illusion, SVG, vector, Op art, computer art, minimal, vector art, geometric, tesselation, abstract, shapes, colours, perspective, chromatic, tension, surface, pulsation, color, flicker, human eye, formal, vision, eyesight, perception, view, seeing, sight, ornaments, symmetry, pattern, string, physics, mathematics
sqrt.ch/grafikauthorMartin Ambauen
sqrt.ch/grafikdescriptionOptische Täuschungen gibt es zuhauf im Internet. Ziel ist es, diese auf ästhetische Weise mit skalierbaren Vektorgrafiken darzustellen. Einige Unterseiten verwenden, wenn nötig, die Skriptsprache JavaScript. Here you find optical illusions represented by vector graphics.
sqrt.ch/grafikkeywordsoptical illusions, optische Täuschungen, SVG, Vektor, Muster, Moiré-Effekt, Moiremuster, Pattern, Layers, skalierbar, vision, scalable vector graphics, Grafik, PDF, moire pattern, Abbildung, Animation, Druckgrafik, Illustration, Simulation, Standbild, Op-Art
sqrt.ch/grafikviewportwidth=device-width, initial-scale=0.5
sqrt.ch/texviewportwidth=device-width, initial-scale=0.5
sqrt.ch/texauthorMartin Ambauen
sqrt.ch/texdescriptionEinführung in LaTeX anhand von Beispielen. LaTeX liefert erstklassige typographische Ergebnisse und ist daher das Textsatzprogramm erster Wahl nicht nur für mathematische Arbeiten.
sqrt.ch/texkeywordsTexts, TeX, Ambauen, Martin, LaTeX, Texte, Beispiele, Textverarbeitung, Physik, Chemie, Musik, Mathematik
sqrt.ch/radioviewportwidth=device-width, initial-scale=0.5
sqrt.ch/radioauthorMartin Ambauen
sqrt.ch/radiodescriptionWiedergabelisten, Radioprogramme, Kultur und Klassik. Sur cettes pages vous trouverez des informations sur les radios culturelles. Playlists.
sqrt.ch/radiokeywordsRadio, m3u, ondes longues, grandes ondes, culture, stations, playlists, Wiedergabelisten, Einschätzungen

Printability10.0

100% of pages are optimised for printing

  • All of this website appears to be optimised for printing (using CSS).

Media specific CSS detected

URL format10.0

  • This website uses appropriate web addresses (URLs) throughout. This is excellent and will help search engine placement, usability and the marketability of this website.

Freshness10.0

Last updated May 14, 2021

  • It looks like this website was last updated on Friday, 14 May 2021. This is good because visitors perceive up-to-date websites as more credible. Websites that are updated regularly are also spidered by search engines more often.
  • To find this information we used the last modified dates reported by this website's server in addition to looking for dates written on each page.

All dates found

DateFileSource
14/05/2021sqrt.ch/Last modified header
14/05/2021sqrt.ch/museumLast modified header
13/05/2021sqrt.ch/grafikLast modified header
14/05/2021sqrt.ch/texLast modified header
20/04/2021sqrt.ch/radioLast modified header
03/08/2018sqrt.ch/Radio/langwelle.jpgLast modified header
25/06/2020sqrt.ch/Radio/cso.svgLast modified header
25/06/2020sqrt.ch/Radio/wfmt.svgLast modified header
27/08/2019sqrt.ch/Radio/radiofrancebatiment.jpgLast modified header
25/06/2020sqrt.ch/Radio/winamp.svgLast modified header
25/06/2020sqrt.ch/Radio/vlc.svgLast modified header
22/06/2020sqrt.ch/images/radio.svgLast modified header
01/10/2020sqrt.ch/images/csslogo.svgLast modified header
25/06/2020sqrt.ch/images/latexlogo.svgLast modified header
25/06/2020sqrt.ch/images/valid-svg11.svgLast modified header
25/06/2020sqrt.ch/images/valid-css.svgLast modified header
01/10/2020sqrt.ch/images/htmllogo.svgLast modified header
25/06/2020sqrt.ch/Buch/gnuplot.svgLast modified header
25/06/2020sqrt.ch/Buch/LaTeX.svgLast modified header
25/06/2020sqrt.ch/Buch/cairoscarab.svgLast modified header
25/06/2020sqrt.ch/Buch/Inkscape.svgLast modified header
25/06/2020sqrt.ch/Buch/batik.svgLast modified header
02/05/2021sqrt.ch/Buch/python.svgLast modified header
22/06/2020sqrt.ch/Buch/ef.svgLast modified header
22/06/2020sqrt.ch/Buch/sinxx.svgLast modified header
16/04/2021sqrt.ch/Buch/Vicsek_Quadrate.svgLast modified header
22/06/2020sqrt.ch/Buch/strichefront.svgLast modified header
22/06/2020sqrt.ch/Buch/schachfront.svgLast modified header
22/06/2020sqrt.ch/Buch/strichefront2.svgLast modified header
03/07/2020sqrt.ch/Buch/translate.svgLast modified header
05/07/2020sqrt.ch/Buch/schlussstueck_cyan.svgLast modified header
01/10/2020sqrt.ch/images/csslogoweiss.svgLast modified header
01/10/2020sqrt.ch/images/htmllogoweiss.svgLast modified header
15/02/2021sqrt.ch/Buch/graph.svgLast modified header
08/02/2021sqrt.ch/Buch/graph1.svgLast modified header
20/03/2021sqrt.ch/Buch/Sierpinski_Kreuz4.svgLast modified header
09/03/2021sqrt.ch/Buch/z3_26.svgLast modified header
01/05/2021sqrt.ch/Buch/fadenmodell6_25.svgLast modified header
01/02/2021sqrt.ch/Buch/linienbild.svgLast modified header
04/05/2021sqrt.ch/Buch/verfolgung_d_v2rb.svgLast modified header
21/03/2021sqrt.ch/Buch/euler2.svgLast modified header
18/03/2021sqrt.ch/Buch/euler.svgLast modified header
21/03/2021sqrt.ch/Buch/sineline_museum.svgLast modified header
02/07/2020sqrt.ch/Buch/sinus_museum.svgLast modified header
02/07/2020sqrt.ch/Buch/zusinus_museum.svgLast modified header
09/01/2021sqrt.ch/Buch/striche2_white.svgLast modified header
02/07/2020sqrt.ch/Buch/50keinfach_museum.svgLast modified header
02/07/2020sqrt.ch/Buch/50quadrate_museum.svgLast modified header
21/01/2021sqrt.ch/Buch/striche1rot_museum.svgLast modified header
21/01/2021sqrt.ch/Buch/striche1cyan_museum.svgLast modified header
15/03/2021sqrt.ch/Buch/wabe3w_hex.svgLast modified header
04/07/2020sqrt.ch/Buch/d_black_museum.svgLast modified header
07/01/2021sqrt.ch/Buch/d_red_museum.svgLast modified header
04/07/2020sqrt.ch/Buch/d_cyan_museum.svgLast modified header
20/01/2021sqrt.ch/Buch/zuwurzel_museum.svgLast modified header
20/01/2021sqrt.ch/Buch/wurzel_museum.svgLast modified header
03/07/2020sqrt.ch/Buch/schach_museum.svgLast modified header
01/07/2020sqrt.ch/Buch/quadrate_rot.svgLast modified header
01/07/2020sqrt.ch/Buch/quadrate_cyan.svgLast modified header
12/02/2021sqrt.ch/Buch/fourier_quad.svgLast modified header
17/03/2021sqrt.ch/Buch/farbzu.svgLast modified header
22/06/2020sqrt.ch/Buch/sternfarbig.svgLast modified header
03/07/2020sqrt.ch/Buch/zuliniendicker6_museum.svgLast modified header
03/07/2020sqrt.ch/Buch/liniendicker6_museum.svgLast modified header
27/01/2021sqrt.ch/Buch/hsternblau.svgLast modified header
27/01/2021sqrt.ch/Buch/hsternrot.svgLast modified header
27/01/2021sqrt.ch/Buch/hsterng2.svgLast modified header
27/01/2021sqrt.ch/Buch/hsterngelb.svgLast modified header
03/07/2020sqrt.ch/Buch/101circles_museum.svgLast modified header
22/06/2020sqrt.ch/images/sqrt.svgLast modified header
17/04/2021sqrt.ch/images/cantor.svgLast modified header
18/04/2021sqrt.ch/images/trallala.svgLast modified header
22/06/2020sqrt.ch/images/logo.svgLast modified header
22/06/2020sqrt.ch/images/hintergrund.svgLast modified header
24/04/2021sqrt.ch/styles/front.cssLast modified header
24/04/2021sqrt.ch/styles/style.cssLast modified header

Domain agei

  • Sorry, we cannot check the domain age of .ch websites.

Fast, branded website audits

Silktide Prospect creates professional website reports that can be shared with your clients.

How does Silktide Prospect compare?

Tests 17 fixed tests 50+ testsCovers SEO, SEM, Google My Business, reviews, social media and much more
Add your brandingNoYes
Export & shareNoPDF & link
Lead generationNoEmbed on your site
Competitor auditsNoYes
Test as a batchNoYes
Integrations + APINoYes
Multi-lingualNo20+ languages
Try it free