- Company name
- Keywalker, Inc.
- November 22, 2000
- Shin Roppongi Building 7F, 7-15-7Roppongi, Minato-ku,Tokyo
TEL : 81-3-6384-5911
WEB page differential check &
update notification service
What is CERVN?
CERVN automates checking website differential.
When you use CERVN, all you have to do is only register the URL list and set the registration page.
By monitoring on schedule, changes are automatically caught and the person in charge is notified.
If you check websites manually
Takes time and effort
Every day is laborious！
✓ The volume you can investigate is limited
✓ Transcription errors
✓ Large work burden
If you use CERVN
Simply by registering the URL you wish to observe！
Perform differential check at fixed time
✓ Large cut in manhours
✓ Compatible with both images and files
✓ Reduction in oversights
✓ CSV output
For each project, the monitored URLs can be registered as a batch using an Excel file.
You can register/edit the email addresses of representatives who can receive the change signals.
You can set the frequency of monitoring for each project.
You can compare WEB images using a screen capture (screenshot). The highlight function enables you to see what has changed at a glance.
You can display the content that has changed between the previously acquired page and the page acquired this time.（The detected change differentials can be highlighted and compared）
When a WEB page file is updated, it compares the old and new files.
Provides an alert when there are changes to the transition country information/patent right status for patents to be monitored.
Great savings can be made in manpower as you only need to check the alerts.
Swift grasping of changes in the transacting companies enables stable management and increased profits of your business.
Changes in the customer company lead to business opportunities.
Automatically checks over 1,700 local government bodies every day.
Using congressional minutes, you are able to check the update status of information, such as policy and urban development before bids.
Able to watch out for regulations and new laws from administrative pages and websites of public bodies in various countries.
Enables you to utilize the power of global research, taking you beyond any language barriers.
It enables you to resolve various issues you may face when monitoring websites.
Greatly reduces work hours
Easy-to-use, convenient functions
Check differentials by various sources
Collecting business information every day is very tedious and time consuming!
With CERVN, configuration is simple as you only have to set the URLs to compare!
Compared to checking websites manually, work manhours can be reduced to 1/12.
|Screenshot||Take screenshots of pages that have changed compared to last time.|
|File comparison||When the file on the WEB page is updated, the old and new files are compared.|
|Project management||Set a project for each theme to be monitored.|
|URL list registration||URL to be monitored can be registered in a CSV list for each project.|
|Period registration||Set the monitoring frequency for each project.|
|Service start||Set the start and stop of the service for each project.|
|Signal address registration||Register/edit the email address of the person who receives the change signal|
|Monitoring list||List the pages that have changed.|
|Page comparison highlights||Display the changes of the previously acquired page and this time acquired page. (Highlight the detected changes and compare)|
|Keyword registration||When performing keyword inspection, register the keyword to be inspected.|
Equipped with simple settings and convenient functions!
Alert the differential result
Comparison of changes on website
Catch differentials → notify update status
Customize optional functions
according to you!
based on screen capture
based on HTML source
Basic plan recommends less than 5,000 URLs/day, but if you need more than 5,000 URLs/day, we can provide an option to increase the number of monitors.
For example, if you want to see the company's homepage, you should count 1 URL for the top page and 1 URL for the company profile. Also, if you access the TOP page twice in one day, it is counted as two URLs.
There is a function to specify the difference detection range. You can specify the detection and the exclusion zone, and if you specify the exclusion zone for the advertisement, it will not be detected.
Automatic registration of URLs in the lower layers is provided as an optional feature. The registered URLs will be subject to monitoring.
Automatic login function is provided as an optional feature.
Yes, it is possible to detect differences even for images with the same file name. It is possible to detect differences between images with the same file name.
It is possible to register multiple URLs. From the project registration page, you can register multiple URLs at once by using an Excel file.
There are four items: text, keywords, HTML and images.
The minimum period of use is 3 months, or 1 year in the case of an annual contract.
The following cases are detected.
It is a function to notify the user when the keyword appears in the page.
For example, if you set the keyword [Important], the function will automatically detect when the keyword [Important] appears in the page and notify the user of the keyword discovery.
Apply for your free trial Fill in the necessary items in the form on the page to apply for your free trial, and complete the free trial application.
Up to 2 weeks free trial After applying for the free trial, you will be issued with a CERVN account. You can enjoy trying out the CERVN functions for up to 2 weeks.
Official deployment If you wish to continue using the service after the free trial, please apply for official deployment.