SEO report of crystaltechno.com

Crystaltechno - optics, lasers, crystals (ZnSe, ZnS, sapphire)

www.crystaltechno.com/

Crystaltechno Ltd is a manufacturer of crystals (ZnSe, ZnS, KRS5, Sapphire - Al2O3 and other), optics and laser systems.


 Tasks

  • Make the site mobile device friendly.
  • Select one version of your site as main and make a redirect from other versions to that one.
  • Avoid using deprecated HTML tags.
  • Implement the viewport meta tag.

 SEO

URL

Domain : www.crystaltechno.com/

Character length : 22

Title
Crystaltechno - optics, lasers, crystals (ZnSe, ZnS, sapphire)
Description
Crystaltechno Ltd is a manufacturer of crystals (ZnSe, ZnS, KRS5, Sapphire - Al2O3 and other), optics and laser systems.
Keywords (meta keywords)
crystaltechno, optics, lasers, crystals, BaF2, ZnSe, KRS-5, Al2O2, MgF2, ZnS, sapphire

Error! Using “meta keywords” is meaningless in a while.
Open Graph Protocol

Error! The website does not use the OG (Open Graph) protocol.

Dublin Core
Dublin Core is not used
Underscores in the URLs
Error! Hyphen (-) is a better solution than underscore (_) in the URLs
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
There is robots.txt file.
https://crystaltechno.com/robots.txt
User-agentDisallowed for the search engines
*
  • All subpages are allowed to crawl


 Social

Social Engagement

No info found.

 Content

Doctype
Missing doctype element
Encoding
Perfect! The character encoding is set: ISO-8859-1.
Language
Error! No language localization is found.
Title
Crystaltechno - optics, lasers, crystals (ZnSe, ZnS, sapphire)

Character length : 62

Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 45%

Good! The text / code ratio is between 25 and 70 percent.
Headings
H1H2H3H4H5H6
040000
Heading structure in the source code
  • <H2> ZnSe (Zinc Selenide) Optics
  • <H2> Sapphire Al2O3 Optics
  • <H2> KRS-5 (Thallium Bromide-Iodide) Optics
  • <H2> Optics from Materials:
Word cloud
  • optical81
  • optics74
  • sapphire63
  • zinc51
  • znse51
  • crystaltechno49
  • lenses42
  • windows39
  • crystals38
  • domes35
  • glass33
  • selenide31
  • exhibition29
  • cvd-znse28
  • laser28
  • plates27
  • components26
  • manufacturing25
  • company24
  • cvd-zns23
  • fluoride23
  • prisms22
  • range21
  • products20
  • blanks20
  • silicon19
  • grown19
  • silica17
  • diameter17
  • new17
  • fused17
  • cvd16
  • moscow15
  • technology15
  • microns15
  • production15
  • polished15
  • april14
  • hemispheres14
  • spectral14
  • growth13
  • debugged13
  • photonics13
  • offer13
  • june13
  • material13
  • surface12
  • october12
  • interest12
  • made12
  • materials12
  • booth12
  • antireflection11
  • world11
  • size11
  • lasers11
  • sulphide11
  • all11
  • hyper11
  • coating11
Keyword matrix
wordtitledescriptionsheading
optical
optics
sapphire
zinc
znse
crystaltechno
Two Word cloud
  • crystaltechno ltd21
  • zinc selenide16
  • optical components9
  • fused silica9
  • znse zinc8
  • company crystaltechno6
Three Word cloud
  • znse zinc selenide4
  • zinc sulfide cvd-zns4
  • cvd-zns zinc sulphide4
  • you will see3
  • lif lithium fluoride3
  • company crystaltechno ltd3
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 41 images on this web page.

Alternate attributes for the following 41 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

 Technologies

Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 1417px wide display!
Detected applications
AddThisWidgets
DreamWeaverEditors
Google AnalyticsAnalytics
Google PlusWidgets
TwitterWidgets
jQueryJavaScript Frameworks
jQuery UIJavaScript Frameworks
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Error! The web address is accessible with and without www!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.

 Speed test

Server response time
The server response time is fast enough.
Loading time
1,755 ms
Table layout
Error! Avoid using nested tables!
Number of HTTP resources
85
Number of source domains
16
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking css files
  • http://www.crystaltechno.com/Steklo.css

 Speed test – Javascript

Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
1.98MB
Javascript minifying
Great! The Javascript files are minified.

 Speed test – CSS

CSS
Good! Just a few CSS files are used on this website.
File size of all css files combined
5.29KB
CSS minifying
You can save 668B (14% compression) on the analysed URL by minifying the CSS files.

 Speed test – Compression

Uncompressed size of the of the HTML
340.98KB
Gzip compression
Error! By using Gzip you can save 59.7KB (77% compression) on your site.

 Speed test – Browser cache

Number of static resources (image, JS, CSS)
69
Browser cache
The browser cache is not set correctly for all elements.
URLDuration
http://m.addthisedge.com/.. /_ate.track.config_resp60 seconds
http://s7.addthis.com/js/300/addthis_widget.js10 minutes
https://syndication.twitter.com/settings10 minutes
http://connect.facebook.net/en_US/sdk.js20 minutes
http://platform.twitter.com/widgets.js30 minutes
https://apis.google.com/js/plusone.js30 minutes
https://apis.google.com/js/rpc:shindig_random.js?onload=init30 minutes
http://www.google-analytics.com/ga.js2 hours
http://www.crystaltechno.com/.. /1.1_ZnSe_dome_ingots_01_Elektrosteklo.pn...4 hours
http://www.crystaltechno.com/Img/1.2_Si_dome_01_Elektrosteklo.png4 hours
http://www.crystaltechno.com/.. /1.3_Sapphire_dome,%20window_with_composi...4 hours
http://www.crystaltechno.com/.. /1.4_Two-sided_optical_polishing_02_Elekt...4 hours
http://www.crystaltechno.com/Img/1.5_Optics_08_Elektrosteklo.png4 hours
http://www.crystaltechno.com/Img/1.6_QA_Zygo_06_Elektrosteklo.png4 hours
http://www.crystaltechno.com/.. /10_CVD-ZnSe_%20ingots_Crystaltechno.jpg4 hours
http://www.crystaltechno.com/.. /2.1_%20ZnSe_growing_04_Elektrosteklo.png...4 hours
http://www.crystaltechno.com/.. /2.2_%20Sapphire_domes_polishing_01_Elekt...4 hours
http://www.crystaltechno.com/.. /2.3_Sapphire_growing_04_Elektrosteklo.pn...4 hours
http://www.crystaltechno.com/.. /2.4_Two-sided_optical_polishing_02_Elekt...4 hours
http://www.crystaltechno.com/.. /2.5_%20Serial_production_of_spherical_le...4 hours
http://www.crystaltechno.com/Img/2.6_QA_Zygo_06_Elektrosteklo.png4 hours
http://www.crystaltechno.com/Img/8_Sapphire_dome_Crystaltechno.jpg4 hours
http://www.crystaltechno.com/.. /9_CVD-ZnSe_%20domes_Crystaltechno.jpg4 hours
http://www.crystaltechno.com/Img/About_Crystaltechno_main.jpg4 hours
http://www.crystaltechno.com/Img/China_2014_72.jpg4 hours
http://www.crystaltechno.com/Img/Elektrosteklo_Sapphire_Dome.jpg4 hours
http://www.crystaltechno.com/Img/bottom1.jpg4 hours
http://www.crystaltechno.com/Img/knopa.gif4 hours
http://www.crystaltechno.com/Img/ld.jpg4 hours
http://www.crystaltechno.com/Img/optatec-2008.gif4 hours
http://www.crystaltechno.com/Img/photonika-2016.png4 hours
http://www.crystaltechno.com/Img/rus.jpg4 hours
http://www.crystaltechno.com/Img/top_02.jpg4 hours
http://www.crystaltechno.com/Img/top_03.gif4 hours
http://www.crystaltechno.com/Img/top_05.gif4 hours
http://www.crystaltechno.com/Img/top_07.gif4 hours
http://www.crystaltechno.com/Img/top_116.gif4 hours
http://www.crystaltechno.com/Img/top_16.gif4 hours
http://www.crystaltechno.com/Img/top_transp1.gif4 hours
http://www.crystaltechno.com/Img/topright1.gif4 hours
http://www.crystaltechno.com/Img/work1.jpg4 hours
http://www.crystaltechno.com/Img/work2.jpg4 hours
http://www.crystaltechno.com/Img/youtube.png4 hours
http://www.crystaltechno.com/Steklo.css4 hours
http://www.crystaltechno.com/.. /Crystaltechno_CaF2_BaF2_Ge_Si_LiF_Fused_...4 hours
http://www.crystaltechno.com/images/KRS5-small.jpg4 hours
http://www.crystaltechno.com/images/KRS5.jpg4 hours
http://www.crystaltechno.com/images/Optics-small.jpg4 hours
http://www.crystaltechno.com/images/sapphire-small.jpg4 hours
http://www.crystaltechno.com/images/sapphire.jpg4 hours
http://www.crystaltechno.com/images/search_en.jpg4 hours
http://www.crystaltechno.com/images/selected-item.gif4 hours
http://www.crystaltechno.com/images/transparent-bg.png4 hours
http://www.crystaltechno.com/images/znse-small.jpg4 hours
http://www.crystaltechno.com/images/znse4.JPG4 hours
http://www.crystaltechno.com/style.css4 hours

 Speed test – Images

File size of all images combined
960.08KB
Image optimisation
You can save 154.5KB (44% compression) by optimising the images below:

 Links

We found a total of 45 different links.
Internal links: 41
External links: 4

External links:

Internal links:

 Website security

IP
65.254.254.31
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Warning! The website contains at least one unencrypted email address.

 Sites on same ip

onmywayhomerescue.com

onmywayhomerescue.com

crystaltechno.com

crystaltechno.com

lmrdesigngarage.com

lmrdesigngarage.com

 Icons

Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.

 Order of Heading elements on mobile by position

  • H2 : Sapphire Al2O3 Optics, ( 0px from top )
  • H2 : KRS-5 (Thallium Bromide-Iodide) Optics, ( 0px from top )
  • H2 : Optics from Materials:, ( 0px from top )
  • H2 : ZnSe (Zinc Selenide) Optics, ( 1292px from top )

 Typos

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