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.
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
- http://www.crystaltechno.com/search_en.htm
- http://www.crystaltechno.com/AboutComp_en.htm ("About company")
- http://www.crystaltechno.com/Contacts_en.htm ("Contact us")
- http://www.crystaltechno.com/Vacancy_en.htm ("Vacancies")
- http://www.crystaltechno.com/Catalog_en.htm ("Products")
- http://www.crystaltechno.com/Stock_en.htm ("Stock")
- http://www.crystaltechno.com/exhibitions_en.htm ("Exhibitions")
- http://www.crystaltechno.com/exhibitions_en.htm
- http://www.crystaltechno.com/exhibitions_en.htm ("LASER World of PHOTONICS 2017 INTERNATIONAL TRADE FAIR AND CONGRESS FOR OPTICAL TECHNOLOGIES — COMPONENTS, SYSTEMS AND APPLICATIONS Germany, Munich, New Trade Fair Centre 26 – 29 June, 2017 Hall B1 Booth 265")
- http://www.crystaltechno.com/ZnSe_en.htm ("ZnSe (Zinc Selenide) Optics")
- http://www.crystaltechno.com/ZnSe_en.htm ("read more →")
- http://www.crystaltechno.com/Al2O3_en.htm ("Sapphire Al2O3 Optics")
- http://www.crystaltechno.com/Al2O3_en.htm ("read more →")
- http://www.crystaltechno.com/KRS5_en.htm ("KRS-5 (Thallium Bromide-Iodide) Optics")
- http://www.crystaltechno.com/KRS5_en.htm ("read more →")
- http://www.crystaltechno.com/Catalog_en.htm ("Optics from Materials:")
- http://www.crystaltechno.com/ZnS_en.htm ("CVD-ZnS (Zinc Sulphide) ,")
- http://www.crystaltechno.com/CaF2_en.htm ("CaF2 (Calcium Fluoride)")
- http://www.crystaltechno.com/BaF2_en.htm ("BaF2 (Barium Fluoride)")
- http://www.crystaltechno.com/MgF2_en.htm ("MgF2 (Magnesium Fluoride),")
- http://www.crystaltechno.com/LF_en.htm ("LiF (Lithium Fluoride)")
- http://www.crystaltechno.com/Si_en.htm ("Si (Silicon)")
- http://www.crystaltechno.com/Ge_en.htm ("Ge (Germanium)")
- http://www.crystaltechno.com/K8_en.htm ("Optical Glass")
- http://www.crystaltechno.com/FS_UV_en.htm ("Fused Silica UV")
- http://www.crystaltechno.com/FS_visible_en.htm ("Fused Silica Vis")
- http://www.crystaltechno.com/FS_en.htm ("Fused Silica IR")
- http://www.crystaltechno.com/Catalog_en.htm ("read more →")
- http://www.crystaltechno.com/exhibitions_en.htm ("photos")
- http://www.crystaltechno.com/Al2O3_leiksvet_en.htm ("We'll be glad to offer you thermocouple boots D5in/8ex/L300-400. Delivery - 1 week")
- Expand
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
https://crystaltechno.com/robots.txt
User-agent | Disallowed for the search engines |
---|---|
* |
|
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.
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.
Good! The text / code ratio is between 25 and 70 percent.
Headings
H1 | H2 | H3 | H4 | H5 | H6 |
---|---|---|---|---|---|
0 | 4 | 0 | 0 | 0 | 0 |
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
word | title | descriptions | heading |
---|---|---|---|
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.
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.
- http://www.crystaltechno.com/Img/top_transp1.gif
- http://www.crystaltechno.com/Img/top_02.jpg
- http://www.crystaltechno.com/Img/top_03.gif
- http://www.crystaltechno.com/Img/top_05.gif
- http://www.crystaltechno.com/Img/top_07.gif
- http://www.crystaltechno.com/Img/topright1.gif
- http://www.crystaltechno.com/Img/rus.jpg
- http://www.crystaltechno.com/Img/top_16.gif
- http://www.crystaltechno.com/Img/youtube.png
- http://www.crystaltechno.com/images/search_en.jpg
- http://www.crystaltechno.com/Img/knopa.gif (6 occurrences)
- http://www.crystaltechno.com/Img/laser_2013.gif
- http://www.crystaltechno.com/.. /1.1_ZnSe_dome_ingots_01_Elektrosteklo.pn...
- http://www.crystaltechno.com/Img/1.2_Si_dome_01_Elektrosteklo.png
- http://www.crystaltechno.com/.. /1.4_Two-sided_optical_polishing_02_Elekt...
- http://www.crystaltechno.com/Img/1.5_Optics_08_Elektrosteklo.png
- http://www.crystaltechno.com/Img/1.6_QA_Zygo_06_Elektrosteklo.png
- http://www.crystaltechno.com/.. /2.3_Sapphire_growing_04_Elektrosteklo.pn...
- http://www.crystaltechno.com/.. /2.4_Two-sided_optical_polishing_02_Elekt...
- http://www.crystaltechno.com/Img/2.6_QA_Zygo_06_Elektrosteklo.png
- http://www.crystaltechno.com/images/znse-small.jpg
- http://www.crystaltechno.com/images/sapphire-small.jpg
- http://www.crystaltechno.com/images/KRS5-small.jpg
- http://www.crystaltechno.com/images/Optics-small.jpg
- http://www.crystaltechno.com/images/znse4.JPG
- http://www.crystaltechno.com/images/sapphire.jpg
- http://www.crystaltechno.com/images/KRS5.jpg
- http://www.crystaltechno.com/.. /Crystaltechno_CaF2_BaF2_Ge_Si_LiF_Fused_...
- http://www.crystaltechno.com/Img/work1.jpg
- http://www.crystaltechno.com/Img/work2.jpg
- http://www.crystaltechno.com/Img/ld.jpg
- http://www.crystaltechno.com/Img/About_Crystaltechno_main.jpg
- http://www.crystaltechno.com/Img/Elektrosteklo_Sapphire_Dome.jpg
- http://www.crystaltechno.com/Img/8_Sapphire_dome_Crystaltechno.jpg
- http://www.crystaltechno.com/Img/bottom1.jpg
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
AddThis | Widgets | |
![]() | DreamWeaver | Editors |
Google Analytics | Analytics | |
Google Plus | Widgets | |
Widgets | ||
jQuery | JavaScript Frameworks | |
jQuery UI | JavaScript 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
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.
- By minifying http://www.crystaltechno.com/Steklo.css you can save 357B (12% compression rate)
- By minifying http://www.crystaltechno.com/style.css you can save 311B (18% compression rate)
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.
- By compressing http://www.crystaltechno.com you can save 59.7KB (77% compression rate)
- By compressing http://www.crystaltechno.com/Steklo.css you can save 2.4KB (80% compression rate)
- By compressing http://www.crystaltechno.com/style.css you can save 1.1KB (64% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
69
Browser cache
The browser cache is not set correctly for all elements.
URL | Duration |
---|---|
http://m.addthisedge.com/.. /_ate.track.config_resp | 60 seconds |
http://s7.addthis.com/js/300/addthis_widget.js | 10 minutes |
https://syndication.twitter.com/settings | 10 minutes |
http://connect.facebook.net/en_US/sdk.js | 20 minutes |
http://platform.twitter.com/widgets.js | 30 minutes |
https://apis.google.com/js/plusone.js | 30 minutes |
https://apis.google.com/js/rpc:shindig_random.js?onload=init | 30 minutes |
http://www.google-analytics.com/ga.js | 2 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.png | 4 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.png | 4 hours |
http://www.crystaltechno.com/Img/1.6_QA_Zygo_06_Elektrosteklo.png | 4 hours |
http://www.crystaltechno.com/.. /10_CVD-ZnSe_%20ingots_Crystaltechno.jpg | 4 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.png | 4 hours |
http://www.crystaltechno.com/Img/8_Sapphire_dome_Crystaltechno.jpg | 4 hours |
http://www.crystaltechno.com/.. /9_CVD-ZnSe_%20domes_Crystaltechno.jpg | 4 hours |
http://www.crystaltechno.com/Img/About_Crystaltechno_main.jpg | 4 hours |
http://www.crystaltechno.com/Img/China_2014_72.jpg | 4 hours |
http://www.crystaltechno.com/Img/Elektrosteklo_Sapphire_Dome.jpg | 4 hours |
http://www.crystaltechno.com/Img/bottom1.jpg | 4 hours |
http://www.crystaltechno.com/Img/knopa.gif | 4 hours |
http://www.crystaltechno.com/Img/ld.jpg | 4 hours |
http://www.crystaltechno.com/Img/optatec-2008.gif | 4 hours |
http://www.crystaltechno.com/Img/photonika-2016.png | 4 hours |
http://www.crystaltechno.com/Img/rus.jpg | 4 hours |
http://www.crystaltechno.com/Img/top_02.jpg | 4 hours |
http://www.crystaltechno.com/Img/top_03.gif | 4 hours |
http://www.crystaltechno.com/Img/top_05.gif | 4 hours |
http://www.crystaltechno.com/Img/top_07.gif | 4 hours |
http://www.crystaltechno.com/Img/top_116.gif | 4 hours |
http://www.crystaltechno.com/Img/top_16.gif | 4 hours |
http://www.crystaltechno.com/Img/top_transp1.gif | 4 hours |
http://www.crystaltechno.com/Img/topright1.gif | 4 hours |
http://www.crystaltechno.com/Img/work1.jpg | 4 hours |
http://www.crystaltechno.com/Img/work2.jpg | 4 hours |
http://www.crystaltechno.com/Img/youtube.png | 4 hours |
http://www.crystaltechno.com/Steklo.css | 4 hours |
http://www.crystaltechno.com/.. /Crystaltechno_CaF2_BaF2_Ge_Si_LiF_Fused_... | 4 hours |
http://www.crystaltechno.com/images/KRS5-small.jpg | 4 hours |
http://www.crystaltechno.com/images/KRS5.jpg | 4 hours |
http://www.crystaltechno.com/images/Optics-small.jpg | 4 hours |
http://www.crystaltechno.com/images/sapphire-small.jpg | 4 hours |
http://www.crystaltechno.com/images/sapphire.jpg | 4 hours |
http://www.crystaltechno.com/images/search_en.jpg | 4 hours |
http://www.crystaltechno.com/images/selected-item.gif | 4 hours |
http://www.crystaltechno.com/images/transparent-bg.png | 4 hours |
http://www.crystaltechno.com/images/znse-small.jpg | 4 hours |
http://www.crystaltechno.com/images/znse4.JPG | 4 hours |
http://www.crystaltechno.com/style.css | 4 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:
- By lossless compressing the http://www.crystaltechno.com/images/search_en.jpg you can save 15.9KB (93%) data.
- By lossless compressing the http://www.crystaltechno.com/images/znse-small.jpg you can save 14KB (91%) data.
- By lossless compressing the http://www.crystaltechno.com/images/KRS5-small.jpg you can save 13.8KB (91%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/8_Sapphire_dome_Crystaltechno.jpg you can save 12.4KB (66%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/China_2014_72.jpg you can save 12.2KB (89%) data.
- By lossless compressing the http://www.crystaltechno.com/.. /Crystaltechno_CaF2_BaF2_Ge_Si_LiF_Fused_... you can save 11.5KB (18%) data.
- By lossless compressing the http://www.crystaltechno.com/images/KRS5.jpg you can save 10.3KB (20%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/rus.jpg you can save 10KB (93%) data.
- By lossless compressing the http://www.crystaltechno.com/.. /10_CVD-ZnSe_%20ingots_Crystaltechno.jpg you can save 8.4KB (50%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/photonika-2016.png you can save 6.5KB (33%) data.
- By lossless compressing the http://www.crystaltechno.com/.. /9_CVD-ZnSe_%20domes_Crystaltechno.jpg you can save 6.4KB (50%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/About_Crystaltechno_main.jpg you can save 6.3KB (40%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/Elektrosteklo_Sapphire_Dome.jpg you can save 5.2KB (42%) data.
- By lossless compressing the http://www.crystaltechno.com/images/sapphire.jpg you can save 5KB (17%) data.
- By lossless compressing the http://www.crystaltechno.com/.. /1.3_Sapphire_dome,%20window_with_composi... you can save 4.6KB (51%) data.
- By lossless compressing the http://www.crystaltechno.com/.. /2.5_%20Serial_production_of_spherical_le... you can save 4.5KB (42%) data.
- By lossless compressing the http://www.crystaltechno.com/images/sapphire-small.jpg you can save 3.4KB (71%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/top_02.jpg you can save 847B (14%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/top_116.gif you can save 753B (89%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/knopa.gif you can save 723B (82%) data.
- By lossless compressing the http://www.crystaltechno.com/images/Optics-small.jpg you can save 566B (23%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/work2.jpg you can save 529B (18%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/ld.jpg you can save 498B (13%) data.
- By lossless compressing the http://www.crystaltechno.com/Img/top_16.gif you can save 296B (25%) data.
Links
We found a total of 45 different links.
Internal links: 41
External links: 4
Internal links: 41
External links: 4
External links:
Link text (anchor) | Link strength |
---|---|
http://www.elektrosteklo.ru | |
https://youtu.be/cbAE4iEa6Qw | |
https://youtu.be/uHJhURUcDyo | |
Crystaltechno Ltd. successfully took part in the exhibition PHOTONICS - 2015, |
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
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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