mathdf.com
Registrert
Sideanalyseoppdateringsdato:
2026/03/30 12:22:19
Siste whois-oppdateringsdato:
2026/03/14 08:41:19
Domenestatus
Registrert
Betalt t.o.m
06.04.2027
Tilgjengelig fra
06.05.2027
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mathdf.com Skjermbilde av nettstedet
SEO-poengsum
81.51%
119
Poeng oppnådd
146
Maksimal poengsum
Hovedinformasjon
Tittel: Step-by-step calculators - MathDF
Beskrivelse: Online calculators with step-by-step solutions: derivatives, integrals, equations, inequalities, ODEs, limits, complex numbers. Scan problems from photos and plot graphs!
Nøkkelord: unknown
Sidekoding:
utf-8
Sidefilstørrelse: 64 KB
Serverinformasjon
IP: 146.103.104.156
Sted: The Netherlands,NL,Amsterdam,1012,52.3759,4.8975,Europe/Amsterdam
Http-server: nginx
Koding: utf-8
Metatags liste
- charset: utf-8
- name: viewport content: width=device-width, initial-scale=1
- name: description content: Online calculators with step-by-step solutions: derivatives, integrals, equations, inequalities, ODEs, limits, complex numbers. Scan problems from photos and plot graphs!
- name: keywords content: calculator, online calculator, derivatives, integrals, equations, inequalities, ordinary differential equations, limits, matrices, systems of equations, complex numbers, function graphs, step-by-step calculators
- name: robots content: index, follow
- name: theme-color content: #ffffff
- property: og:site_name content: MathDF
- property: og:title content: Step-by-step calculators - MathDF
- property: og:type content: website
- property: og:url content: https://mathdf.com/
- property: og:image content: https://mathdf.com/logo/og_image.png
- property: og:image:width content: 256
- property: og:image:height content: 256
- property: og:description content: Online calculators with step-by-step solutions: derivatives, integrals, equations, inequalities, ODEs, limits, complex numbers. Scan problems from photos and plot graphs!
Interne lenker
Whois informasjon
domain_name: mathdf.com
update_date: 2026-03-01T21:30:39Z
update_time: 1772400639
creation_date: 2020-04-06T18:56:56Z
creation_time: 1586199416
expiration_date: 2027-04-06T18:56:56Z
Whois rådata
Domain Name: MATHDF.COM
Registrar: NameSilo, LLC
Domain Status: client transfer prohibited
Creation Date: 2020-04-06T18:56:56Z
Registry Expiry Date: 2027-04-06T18:56:56Z
Updated Date: 2026-03-01T21:30:39Z
Name Server: GNS21.CLOUDNS.NET
Name Server: GNS22.CLOUDNS.NET
Name Server: GNS23.CLOUDNS.NET
Name Server: GNS24.CLOUDNS.NET
REGISTRAR Contact: NameSilo, LLC
>>> Last update of RDAP database: 2026-03-14T08:41:19Z
Robots.txt
User-agent: * Sitemap: https://mathdf.com/sitemap.xml
SEO revisjon
Teknisk SEO
✓
Responskode
200
Status 200 OK - siden lastes inn riktig.
✓
Tegnkoding
Page: utf-8, Header: utf-8
Tegnkoding konsistent mellom HTML og overskrifter.
✓
Sidestørrelse
66349 bytes
Sidestørrelse akseptabel for rask lasting.
!
Ressurser
108 total
For mange ressurser. Optimaliser og kombiner filer for bedre ytelse.
✓
Hreflang Tags
39 hreflang tags
Hreflang-tagger funnet for flerspråklig SEO.
✓
Robots.txt
Exists
Robots.txt-fil funnet.
✓
Sitemap
Declared in robots.txt
Sitemap erklært i robots.txt.
✓
HTTPS
Yes
Sikker HTTPS-tilkobling aktivert.
✓
Komprimering
gzip
Gzip eller Zstd-komprimering aktivert for raskere lasting.
✓
Buffer
no-store, no-cache, must-revalidate
Bufferkontrollhoder er riktig innstilt.
✓
Sidehastighet
0.44 ms
Utmerket lastehastighet.
On-Page SEO
✓
Tittel
Step-by-step calculators - MathDF
God tittellengde (30-60 tegn).
!
Metabeskrivelse
Online calculators with step-by-step solutions: derivatives, integrals, equations, inequalities, ODEs, limits, complex numbers. Scan problems from photos and plot graphs! Lenght:170
Metabeskrivelsen er for lang. Reduser til 100-160 tegn.
✓
H1 Overskrift
1 found - "Step-by-step calculators:"
Bra - enkelt H1-overskrift funnet.
✓
Ordtelling
868
God innholdslengde (500-2000 ord anbefales).
!
Kanonisk merkelapp
Legg til kanonisk tag for å forhindre problemer med duplisert innhold.
✓
Dupliser Meta
[]
Ingen dupliserte metakoder funnet.
✓
Nøkkelord
unknown
Meta nøkkelord satt (merk: brukes ikke av store søkemotorer).
Innhold og UX
✓
Språk
en
Språkattributtet er riktig angitt.
!
Bilder
22 total, 21 missing ALT
Legg til ALT-tekst i bilder for tilgjengelighet og SEO.
✓
Viewport
width=device-width, initial-scale=1
Viewport-metataggen er riktig angitt for mobile enheter.
✓
Åpne Graph
All OG tags present.
Alle viktige OpenGraph-tagger er til stede.
✓
Strukturerte data
1 JSON-LD scripts
Fant strukturerte data (JSON-LD).
Stillinger i Google
Søkefraser - Google
| Posisjon | Uttrykk | Side | Utdrag |
|---|---|---|---|
| 1 | /lim/ru/ | ||
| 1 | /der/ru/ | ||
| 1 | /der/ru/ | ||
| 1 | /der/ru/ | ||
| 1 | /lim/ru/ | ||
| 1 | /equ/ru/ | ||
| 1 | /equ/ru/ | ||
| 1 | /der/ru/ | ||
| 1 | /der/ru/ | ||
| 1 | /der/ru/ |
Stillinger i Yandex
Søkefraser - Yandex
| Posisjon | Uttrykk | Side | Utdrag |
|---|---|---|---|
| 1 | /der/ru/ | ||
| 1 | /der/ru/ | ||
| 1 | /equ/ru/ | ||
| 1 | /equ/ru/ | ||
| 1 | /equ/ru/ | ||
| 1 | /equ/ru/ | ||
| 1 | /equ/ru/ | ||
| 1 | /equ/ru/ | ||
| 1 | /equ/ru/ | ||
| 1 | /dif/ru/ |