SEO report of rv-engineering.nl
Redirected to dejong.nl/ibs/de-jong-combustion-rv-engineering/
De Jong Combustion/R&V Engineering – de Jong
dejong.nl/ibs/de-jong-combustion-rv-engineering/
Do you have combustion questions related to a gas stream, a liquid fuel or a waste gas? Industrial Combustion Group offers tailor-made burner solutions.
Tasks
- Avoid using deprecated HTML tags.
SEO
URL
Domain : dejong.nl/ibs/de-jong-combustion-rv-engineering/
Character length : 48
Title
De Jong Combustion/R&V Engineering – de Jong
Description
Do you have combustion questions related to a gas stream, a liquid fuel or a waste gas? Industrial Combustion Group offers tailor-made burner solutions.
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
Open Graph Protocol
Good! The OG (Open Graph) protocol is set on this website.
locale: nl_NL
type: article
title: De Jong Combustion/R&V Engineering – de Jong
description: Do you have combustion questions related to a gas stream, a liquid fuel or a waste gas? Industrial Combustion Group offers tailor-made burner solutions.
url: http://dejong.nl/ibs/de-jong-combustion-rv-engineering/
site_name: de Jong
image: http://dejong.nl/wp-content/uploads/2015/04/RV-Brander-MG-175-27333_1.jpg
image:width: 797
image:height: 734
Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found 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://dejong.nl/robots.txt
https://dejong.nl/robots.txt
| User-agent | Disallowed for the search engines |
|---|---|
| * |
|
Social
Social Engagement
No info found.
Content
Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
De Jong Combustion/R&V Engineering – de Jong
Character length : 54
Good! The title’s length is between 10 and 70 characters.
Character length : 54
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 8%
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 1 | 5 | 1 | 0 | 0 | 0 |
Heading structure in the source code
- <H2>
- <H1> De Jong Combustion/R&V Engineering
- <H2> Your partner in combustion power
- <H2> All burner enquiries are unique
- <H2> More than burners alone
- <H2> 160 years of combustion experience
- <H3> Neem contact met ons op
Word cloud
- jong17
- combustion13
- burner12
- engineering10
- systems8
- industrial7
- installatietechniek6
- solutions6
- combustion/r&v5
- groep5
- bij5
- spare4
- r&v4
- werken4
- products4
- service4
- parts4
- years3
- schiedam3
- applications3
- nieuws3
- services3
- experience3
- home3
- references3
- ons3
- offer2
- amsterdam2
- assist2
- enquiry2
- related2
- gas2
- best2
- enquiries2
- power2
- technology2
- all2
- customized2
- een2
- leads2
- supply2
- world2
- duurzaamheid2
- historie2
- mvo2
- visie/dna2
- vacatures2
- installatiegroep2
- referenties2
- specialisaties2
- werkwijze2
- beheer2
- onze2
- open2
- onderscheidingen2
- sollicitatie2
- testimonials2
- partner2
- onderhoud2
- stage2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| jong | |||
| combustion | |||
| burner | |||
| engineering | |||
| systems | |||
| industrial |
Two Word cloud
- burner systems4
- jong combustion/r&v3
- jong combustion3
- r&v engineering3
- solutions products3
- industrial burner3
Three Word cloud
- products applications service2
- jong combustion/r&v engineering2
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 9 images on this web page.
Alternate attributes for the following 4 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 4 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Readability
Flesch–Kincaid Grade Level
8.40
Flesch Reading Ease
41.80
Coleman Liau Index
12.00
Automated Readability Index (ARI)
7.60
Dale–Chall Readability
9.90
SMOG Index
9.20
Spache Readibility
5.00
Number of letters
3762
Number of words
656
Number of sentences
164
Average words per sentences
4
Number of syllables
1248
Syllables in words
1191
Average syllables in words
1.90
Number of words in first three syllables
177
Percentage of word / syllables
26.98
Words not in Dale-Chall easy-word list
403
Words not in Spache easy-word list
206
Technologies
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible in only one version. The www version is redirected to the version 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 not fast enough: 1.1 seconds have passed until the page started to load.
Table layout
Good! No nested tables found.
Number of HTTP resources
59
Number of source domains
12
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- http://dejong.nl/wp-includes/js/jquery/jquery.js?ver=1.12.4
- http://dejong.nl/.. /jquery-migrate.min.js?ver=1.4.1
- http://dejong.nl/wp-content/themes/dejong/js/modernizr.js
- https://code.jquery.com/jquery-1.9.1.js
- http://dejong.nl/.. /styles.css?ver=5.0
- http://dejong.nl/.. /gglcptch.css?ver=1.35
- https://dejong.nl/.. /style.css?ver=1
- http://dejong.nl/wp-content/themes/dejong/css/bootstrap.css
- http://dejong.nl/wp-content/themes/dejong/css/jquery.bxslider.css
- http://dejong.nl/wp-content/themes/dejong/css/normalize.css
- http://dejong.nl/wp-content/themes/dejong/css/icons.css
- http://dejong.nl/wp-content/themes/dejong/css/style.css
- https://fonts.googleapis.com/css?family=Montserrat:400,700
- https://fonts.googleapis.com/css?family=Open+Sans:300,400,700
- http://dejong.nl/wp-content/themes/dejong/css/menu.css
- http://dejong.nl/wp-content/themes/dejong/css/timeline.css
Speed test – Javascript
Javascript
Error! Too many javascript files found which slows down the page load on the website.
- http://dejong.nl/wp-includes/js/jquery/jquery.js?ver=1.12.4
- http://dejong.nl/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
- http://dejong.nl/wp-content/themes/dejong/js/modernizr.js
- http://dejong.nl/wp-content/themes/dejong/js/classie.js
- http://dejong.nl/wp-content/themes/dejong/js/search.js
- http://dejong.nl/wp-content/themes/dejong/js/mlpushmenu.js
- http://dejong.nl/wp-content/themes/dejong/js/jquery.bxslider.min.js
- http://dejong.nl/wp-content/themes/dejong/js/custom.js
- http://dejong.nl/wp-content/themes/dejong/js/main.js
- http://dejong.nl/wp-content/themes/dejong/js/bootstrap.min.js
- http://dejong.nl/wp-content/plugins/contact-form-7/includes/js/jquery.form.min.js?ver=3.51.0-2014.06.20
- http://dejong.nl/wp-content/plugins/contact-form-7/includes/js/scripts.js?ver=4.6
- http://dejong.nl/wp-content/plugins/highlight-search-terms/hlst-extend.min.js?ver=1.4.2
- http://dejong.nl/wp-includes/js/wp-embed.min.js?ver=4.7.4
- http://dejong.nl/wp-content/plugins/sitepress-multilingual-cms/res/js/sitepress.js?ver=4.7.4
- http://dejong.nl/wp-content/plugins/google-no-captcha-recaptcha/public/assets/js/render-recaptcha.js?ver=1494023463
File size of all javascript files combined
1.17MB
Javascript minifying
You can save 50.4KB (49% compression) on the analysed URL by minifying the javascript files.
Speed test – CSS
CSS
Error! Too many CSS files detected that slows down the page load.
- http://dejong.nl/wp-content/plugins/ajax-load-more/core/css/ajax-load-more.min.css?ver=4.7.4
- http://dejong.nl/wp-content/plugins/contact-form-7/includes/css/styles.css?ver=4.6
- http://dejong.nl/wp-content/plugins/google-captcha/css/gglcptch.css?ver=1.27
- http://dejong.nl/wp-content/plugins/sitepress-multilingual-cms/templates/language-switchers/legacy-list-horizontal/style.css?ver=1
- http://dejong.nl/wp-content/themes/dejong/css/bootstrap.css
- http://dejong.nl/wp-content/themes/dejong/css/jquery.bxslider.css
- http://dejong.nl/wp-content/themes/dejong/css/normalize.css
- http://dejong.nl/wp-content/themes/dejong/css/icons.css
- http://dejong.nl/wp-content/themes/dejong/css/style.css
- http://dejong.nl/wp-content/themes/dejong/css/menu.css
- http://dejong.nl/wp-content/themes/dejong/css/timeline.css
- http://dejong.nl/wp-content/plugins/google-no-captcha-recaptcha/public/assets/css/captcha-style.css?ver=4.7.4
File size of all css files combined
386.09KB
CSS minifying
You can save 2.7KB (21% compression) on the analysed URL by minifying the CSS files.
- By minifying http://dejong.nl/wp-content/themes/dejong/css/style.css you can save 1.2KB (18% compression rate)
- By minifying http://dejong.nl/wp-content/themes/dejong/css/menu.css you can save 914B (26% compression rate)
- By minifying http://dejong.nl/wp-content/themes/dejong/css/jquery.bxslider.css you can save 386B (32% compression rate)
- By minifying http://dejong.nl/wp-content/themes/dejong/css/timeline.css you can save 230B (16% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
82.24KB
Gzip compression
Your site uses compression.
Speed test – Browser cache
Number of static resources (image, JS, CSS)
40
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://dejong.nl/.. /ajax-loader.gif | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/css/bootstrap.css | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/css/icons.css | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/css/jquery.bxslider.css | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/css/menu.css | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/css/normalize.css | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/css/style.css | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/css/timeline.css | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/images/arrow-footer.png | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/images/footerlogo.png | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/images/logo-tab.jpg | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/images/logo_adejong.png | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/images/next-white.png | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/images/trigger.jpg | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/js/bootstrap.min.js | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/js/classie.js | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/js/custom.js | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/js/jquery.bxslider.min.js | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/js/main.js | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/js/mlpushmenu.js | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/js/modernizr.js | Expiry time is not specified |
| http://dejong.nl/wp-content/themes/dejong/js/search.js | Expiry time is not specified |
| https://dejong.nl/wp-content/uploads/2015/04/Banner-42.jpg | Expiry time is not specified |
| https://dejong.nl/wp-content/uploads/2015/04/DJC-RV-1024x385.jpg | Expiry time is not specified |
| https://dejong.nl/wp-content/uploads/flags/en.jpg | Expiry time is not specified |
| https://dejong.nl/wp-content/uploads/flags/nl.jpg | Expiry time is not specified |
| http://static.hotjar.com/c/hotjar-255512.js?sv=5 | 60 seconds |
| http://www.google.com/.. /api.js?render=explicit&hl=nl&ver=1.0.0 | 5 minutes |
| https://www.google.com/.. /webworker.js?hl=nl&v=v1519626662381 | 5 minutes |
| https://www.googletagmanager.com/gtm.js?id=GTM-WDGKZ3J | 15 minutes |
| https://www.google-analytics.com/analytics.js | 2 hours |
Speed test – Images
File size of all images combined
240.88KB
Image optimisation
You can save 93.7KB (41% compression) by optimising the images below:
- By lossless compressing the https://dejong.nl/wp-content/uploads/2015/04/Banner-42.jpg you can save 53.6KB (36%) data.
- By lossless compressing the https://dejong.nl/wp-content/uploads/flags/en.jpg you can save 12.9KB (92%) data.
- By lossless compressing the https://dejong.nl/wp-content/uploads/flags/nl.jpg you can save 11.3KB (95%) data.
- By lossless compressing the https://dejong.nl/wp-content/uploads/2015/04/DJC-RV-1024x385.jpg you can save 3.7KB (12%) data.
- By lossless compressing the http://dejong.nl/wp-content/themes/dejong/images/logo-tab.jpg you can save 3.2KB (59%) data.
- By lossless compressing the http://dejong.nl/wp-content/themes/dejong/images/next-white.png you can save 2.7KB (89%) data.
- By lossless compressing the http://dejong.nl/wp-content/themes/dejong/images/arrow-footer.png you can save 2.7KB (92%) data.
- By lossless compressing the http://dejong.nl/wp-content/themes/dejong/images/trigger.jpg you can save 1.8KB (67%) data.
- By lossless compressing the http://dejong.nl/wp-content/themes/dejong/images/logo_adejong.png you can save 1.7KB (37%) data.
Links
We found a total of 52 different links.
Internal links: 48
External links: 4
Internal links: 48
External links: 4
External links:
| Link text (anchor) | Link strength |
|---|---|
| Youtube | |
| Wordpress specialist |
Internal links:
Website security
IP
178.22.63.113
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
Good! The website uses favicon.
Typos
v-engineering.nl, rev-engineering.nl, ev-engineering.nl, rdv-engineering.nl, dv-engineering.nl, rfv-engineering.nl, fv-engineering.nl, rgv-engineering.nl, gv-engineering.nl, r4,v-engineering.nl, 4,v-engineering.nl, rtv-engineering.nl, tv-engineering.nl, r5v-engineering.nl, 5v-engineering.nl, r-engineering.nl, rv-engineering.nl, r-engineering.nl, rvc-engineering.nl, rc-engineering.nl, rvd-engineering.nl, rd-engineering.nl, rvf-engineering.nl, rf-engineering.nl, rvg-engineering.nl, rg-engineering.nl, rvb-engineering.nl, rb-engineering.nl, rv -engineering.nl, r -engineering.nl, rvengineering.nl, rv-=engineering.nl, rv=engineering.nl, rv-_engineering.nl, rv_engineering.nl, rv-0engineering.nl, rv0engineering.nl, rv-+engineering.nl, rv+engineering.nl, rv-*engineering.nl, rv*engineering.nl, rv-9engineering.nl, rv9engineering.nl, rv-ngineering.nl, rv-ewngineering.nl, rv-wngineering.nl, rv-esngineering.nl, rv-sngineering.nl, rv-engineering.nl, rv-ngineering.nl, rv-edngineering.nl, rv-dngineering.nl, rv-efngineering.nl, rv-fngineering.nl, rv-erngineering.nl, rv-rngineering.nl, rv-e3ngineering.nl, rv-3ngineering.nl, rv-e4ngineering.nl, rv-4ngineering.nl, rv-egineering.nl, rv-enbgineering.nl, rv-ebgineering.nl, rv-enggineering.nl, rv-eggineering.nl, rv-enhgineering.nl, rv-ehgineering.nl, rv-enjgineering.nl, rv-ejgineering.nl, rv-enmgineering.nl, rv-emgineering.nl, rv-en gineering.nl, rv-e gineering.nl, rv-enineering.nl, rv-engrineering.nl, rv-enrineering.nl, rv-engfineering.nl, rv-enfineering.nl, rv-engvineering.nl, rv-envineering.nl, rv-engcineering.nl, rv-encineering.nl, rv-engbineering.nl, rv-enbineering.nl, rv-engyineering.nl, rv-enyineering.nl, rv-enghineering.nl, rv-enhineering.nl, rv-engnineering.nl, rv-ennineering.nl, rv-engneering.nl, rv-engiuneering.nl, rv-enguneering.nl, rv-engijneering.nl, rv-engjneering.nl, rv-engineering.nl, rv-engneering.nl, rv-engilneering.nl, rv-englneering.nl, rv-engioneering.nl, rv-engoneering.nl, rv-engi8neering.nl, rv-eng8neering.nl, rv-engi9neering.nl, rv-eng9neering.nl, rv-engi*neering.nl, rv-eng*neering.nl, rv-engieering.nl, rv-enginbeering.nl, rv-engibeering.nl, rv-engingeering.nl, rv-engigeering.nl, rv-enginheering.nl, rv-engiheering.nl, rv-enginjeering.nl, rv-engijeering.nl, rv-enginmeering.nl, rv-engimeering.nl, rv-engin eering.nl, rv-engi eering.nl, rv-enginering.nl, rv-enginewering.nl, rv-enginwering.nl, rv-enginesering.nl, rv-enginsering.nl, rv-engineering.nl, rv-enginering.nl, rv-enginedering.nl, rv-engindering.nl, rv-enginefering.nl, rv-enginfering.nl, rv-enginerering.nl, rv-enginrering.nl, rv-engine3ering.nl, rv-engin3ering.nl, rv-engine4ering.nl, rv-engin4ering.nl, rv-enginering.nl, rv-engineewring.nl, rv-enginewring.nl, rv-engineesring.nl, rv-enginesring.nl, rv-engineering.nl, rv-enginering.nl, rv-engineedring.nl, rv-enginedring.nl, rv-engineefring.nl, rv-enginefring.nl, rv-engineerring.nl, rv-enginerring.nl, rv-enginee3ring.nl, rv-engine3ring.nl, rv-enginee4ring.nl, rv-engine4ring.nl, rv-engineeing.nl, rv-engineereing.nl, rv-engineeeing.nl, rv-engineerding.nl, rv-engineeding.nl, rv-engineerfing.nl, rv-engineefing.nl, rv-engineerging.nl, rv-engineeging.nl, rv-engineer4,ing.nl, rv-enginee4,ing.nl, rv-engineerting.nl, rv-engineeting.nl, rv-engineer5ing.nl, rv-enginee5ing.nl
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