Cloud Damaged Hyperlink Checker Repairs Damaged Hyperlinks Sooner and Supercharges Your search engine marketing

WPMU DEV’s free all-new and improved Damaged Hyperlink Checker plugin saves you the time and tedious problem of dealing with essential hyperlink administration duties throughout all of your WordPress websites.

“I’ve been trying to discover a neater method to test for damaged hyperlinks. Thanks for making this device so accessible.” Dena, WPMU DEV Member

Damaged hyperlinks are a destructive indicator of web site well being and may have a serious affect in your PageRank and your fame. Staying on prime of your web site hyperlinks is a vital and essential side of fine WordPress web site administration.

However… manually checking your content material for damaged hyperlinks is time-consuming and tedious excruciating, particularly if you happen to handle a number of WordPress websites.

“That is doubtlessly going to save lots of a ton of time! Prior to now I’ve at all times carried out a handbook test on all websites I create.” TNT Methods, WPMU DEV Member

This text reveals you the right way to use our highly effective hyperlink checking device on limitless WordPress websites – fully re-engineered with a prime user-requested function and a brand new API that works 20x quicker, to ship higher and extra correct outcomes, forestall destructive search engine marketing efficiency points, and enhance person expertise.

We additionally embrace a complete information masking all it’s essential to find out about why hyperlink administration is necessary and the right way to successfully handle damaged hyperlinks on your whole websites.

We’ll cowl the next subjects:

Damaged Hyperlink Checker for WordPress – BLC Plugin

Set Up
Edit/Unlink Damaged Hyperlinks
Run Guide Scans
Schedule Scans and Ship Electronic mail Reviews
Search
Export Lists

Cloud Hyperlink Checker – Excellent For Companies
How Damaged Hyperlinks Have an effect on search engine marketing
Damaged Hyperlinks Can Additionally Hurt Your Enterprise
What’s Damaged Hyperlinks Hijacking?
What Causes Damaged Hyperlinks?

Greatest Practices to Repair Damaged Hyperlinks
Steps to Keep away from and Repair 404 Pages

Fixing Damaged Hyperlinks: Guide vs Automated Strategies

Advantages of Utilizing Guide Strategies to Repair Damaged Hyperlinks
Advantages of Utilizing Automated Strategies to Repair Damaged Hyperlinks

Take Hyperlink Upkeep to the Subsequent Degree with WPMU DEV’s BLC

Let’s bounce proper in and check out the one device you’ll ever must test and restore damaged hyperlinks on limitless WordPress websites.

WordPress Damaged Hyperlink Checker (BLC) Plugin

Damaged Hyperlink Checker is now even higher and quicker at discovering damaged hyperlinks on WordPress websites.

WPMU DEV acquired Damaged Hyperlink Checker a few years again from ManageWP, and since then have carried out many tweaks and fixes to enhance its capabilities, rising its reputation to 700K downloads and its person satisfaction to 4/5 stars.

[NB: Special shoutouts to Patrick Walker, Team Lead at WP Engine’s Customer Experience Operations Team for his hard work in collaboration with our engineers to get our plugin removed from WP Engine’s and Flywheel’s block list and to Kinsta for providing suggestions that led to the development of our new cloud-based tool.]

Whereas we plan to proceed sustaining and bettering the outdated plugin model for the hundreds of customers who’re nonetheless at present utilizing it, ranging from variations 2.0 and onward, we’ve additionally launched a brand new cloud-based hyperlink checking plugin for WordPress.

Be aware: We’ll focus the remainder of this text on our Cloud Hyperlink Checker. For extra data on utilizing the outdated (Native) BLC plugin, go to the plugin obtain web page on WordPress.org.

Why Two Totally different Hyperlink Checking Engines?

The outdated Damaged Hyperlink Checker plugin (we now name this model Native Hyperlink Checker) is a good device at present used and cherished by hundreds of WordPress customers to maintain their URLs wholesome.

For those who like it, be at liberty to maintain utilizing it. Bear in mind, nonetheless, that it will depend on your web site’s assets to run scans, which may be affected by your internet hosting plan’s accessible assets, and, relying on what plugins are put in in your web site, may trigger conflicts or WP/PHP errors.

Our newest innovation — a cloud-based plugin — takes issues to an entire new stage and opens the door to a completely new scope of prospects that we couldn’t obtain earlier than by integrating the perfect of the Native BLC plugin with cloud capabilities straight into The Hub (our all-in-one WordPress platform), all at no further price to customers.

For instance, a few of the advantages of the brand new cloud-based BLC embrace:

Scalability: Cloud Hyperlink Checker runs on WPMU DEV’s engines not the person web site the place the plugin is put in, so you possibly can run damaged hyperlink scans on websites of any dimension and server sort.
Blazing Quick Scans: Being cloud-based means any dependencies on the efficiency of your server are eradicated, giving your scans an enormous pace improve.
No Danger of Blocklisting: Pinging exterior websites repeatedly out of your web site raises suspicious flags with web service suppliers and places your web site vulnerable to being blocklisted. Cloud BLC doesn’t use your web site’s IP deal with, so there’s no threat of your web site(s) being blocklisted.
Sooner Updates and Prompt Enhancements: No extra ready for plugin model releases or worrying whether or not you web site’s assets can deal with the adjustments. We take a look at, repair, and enhance every part on the cloud and your web site advantages immediately as quickly as we deploy the adjustments and enhancements to our engine..
Remove WordPress and PHP Errors: Our cloud-based hyperlink checker doesn’t run in your web site’s assets, so that you received’t expertise web site useful resource errors utilizing the plugin.
Crawl All the pieces: Cloud Hyperlink Checker follows the identical logic as search engine crawlers, so no URLs are missed on all commonplace pages and posts, menus, class pages, and so on. Even higher, use scheduled studies to find damaged hyperlinks earlier than the major search engines see them.

Cloud BLC scans your web site from prime to backside, monitoring exterior and inner hyperlinks in your posts, pages, feedback, blogroll – even customized fields.

It detects hyperlinks that don’t work, in addition to lacking photographs and redirects. It’s going to then notify you through the Damaged Hyperlink Checker part of the Hub, or you possibly can view a abstract of the ends in the plugin dashboard of your WordPress web site.

“Love this new device, particularly because it runs off-site and doesn’t hog server assets.” Levi, WPMU DEV Member

Set Up

Whether or not you’re an current Damaged Hyperlink Checker plugin person or new to the device, setup is a breeze.

You’ll be able to arrange the plugin from the WordPress dashboard plugin and from WPMU DEV’s Hub.

Let’s have a look at each strategies.

From the WordPress Dashboard

Set up and activate the plugin.
Go to the Hyperlink Checker menu and choose Cloud.
For those who’re logged into WPMU DEV, click on ‘Allow Cloud Engine’ (in any other case, the button will say ‘Hook up with WPMU DEV’), and also you’ll be taken by way of The Free Hub onboarding course of, in addition to the damaged hyperlinks checking device part. It will lead you on to the BLC service tab in The Free Hub.
From right here, run a brand new scan. You’ll get a notification as soon as the scan completes, so be at liberty to go searching The Free Hub when you wait.
When you obtain notification that the scan is full, you possibly can view the ends in the Damaged Hyperlink Checker part of The Free Hub.

From The Hub

After logging into The Hub, you’ll see Damaged Hyperlink Checker listed as a brand new service within the menu (prime & sidebar).
Activate this to put in the plugin on the location.
Run a scan to see your outcomes.

Nonetheless you select to put in the Cloud Hyperlink Checker, the WordPress dashboard will show the Abstract Report, whereas The Hub could have the Full Report – together with the record of damaged and lifeless hyperlinks.

Scan ends in the WordPress dashboard.

Click on View Full Report to see the total scan report in The Hub.

The Hub shows an in depth record of your damaged URLs after scanning.

Except for finding your damaged hyperlinks, lacking photographs, and redirects, the plugin has further features that allow you to schedule scans, ship studies by electronic mail, search (with built-in filters), and export your lists for obtain.

Edit/Unlink Damaged Hyperlinks

Our members spoke…and we listened!

Probably the most requested options for this device was the power to edit and unlink damaged hyperlinks.

We’re thrilled to announce that along with ignoring and reporting hyperlinks as not damaged, now you can additionally simply edit and unlink damaged hyperlinks from The Hub.

Merely click on on the vertical ellipsis (3 dots) to the correct of any hyperlink listed within the Hub’s scan report and choose one of many accessible choices.

Edit, Unlink, Ignore, or Report hyperlinks as Not Damaged.

Choose Edit Hyperlink to level the hyperlink to a brand new URL, Unlink to take away the hyperlink and alter it to plain textual content, or choose one of many different choices to disregard the hyperlink or to report false positives (observe: we use Not Damaged studies to enhance BLC’s engine).

Be aware: New scans are briefly disabled whereas the system is performing modifying or unlinking operations. You’ll be able to run a brand new scan after these processes have accomplished.

Additionally, to maintain studies manageable, if the scan detects a number of situations of the identical damaged hyperlink URL, the report solely shows the primary 10 situations and notifies you what number of different situations there are.

Scan studies are stored manageable by displaying solely the primary 10 URLs for a similar damaged hyperlink.

You’ll be able to select to edit or unlink solely the primary 10 seen hyperlinks, or carry out the operation on all situations of that very same hyperlink.

Edit (or unlink) solely the primary 10 hyperlinks or all hyperlinks.

Be aware that the device doesn’t scan hardcoded hyperlinks written in php information (eg template information, shortcodes, and so on.).

Run Guide Scans

You’ll be able to run a handbook scan any time, in each the WordPress dashboard and The Hub. Simply hit the blue Run Scan button. This may be useful if you happen to’ve carried out some clear up, and need to refresh your view of the record.

Schedule Scans & Ship Reviews by Electronic mail

Scheduling scans is completed from the Damaged Hyperlink Checker plugin part within the WordPress dashboard.

Schedule new scans for damaged hyperlink checks in your WordPress dashboard.

A minimum of one recipient should be added to schedule studies, in order that it may be despatched to a celebration through electronic mail.

Click on on the cog icon to see the menu choices for scanning.

From the Schedule Scan part, click on Configure.
Verify that you’re on the Schedule Date tab from the highest menu.
Select the Frequency, from Each day, Weekly, Month-to-month.
Choose desired time, day, or date from the dropdown choices; then click on Save.

The plugin supplies many choices for scheduling scans.

Now we are going to add recipients (not less than one), so the report has a vacation spot to be despatched to:

Click on on the Add Recipients tab.
You’ll be able to both Add Customers, from the record of these you’ve already added to the location, or Add By Electronic mail, for anybody in any respect. Keep in mind to Save Modifications.

Including recipients to get scan studies through electronic mail is quick and simple.

You’ll be able to deactivate the scheduled scan or change the sending schedule, in addition to who it goes to, at any time.

Search

To simply find your URLs, search outcomes may be filtered from inside The Hub.

From the abstract display screen, you should use the dropdowns to filter by Standing or Area.

Use the built-in filters to find gadgets extra simply in your Damaged URL record.

Export Lists

You’ll be able to export your damaged URL lists anytime in CSV format.

To do that, merely click on the Export as CSV button from the abstract display screen in The Hub.

And … that’s it! You’re now a BLC professional.

Preserve your web site’s hyperlinks wholesome with the perfect free damaged hyperlink checker device for WordPress.

“I like this! Offsetting the assets to the cloud will assist so many websites!” PTaubman, WPMU DEV Member

“However I’m proud of Native BLC and I don’t run a number of websites…”

If you wish to preserve utilizing the older plugin, you don’t have to modify to Cloud Hyperlink Checker. Native BLC will preserve working simply wonderful and you may simply swap to the cloud model at any time inside your WordPress admin.

You’ll be able to swap between cloud and native hyperlink checker contained in the WordPress admin.

Simply take into account that you possibly can solely activate one engine at a time, so if the Cloud engine is working, Native Hyperlink Checker can be inactive and vice-versa.

Change hyperlink checker engines inside your WordPress dashboard.

Be aware: if you happen to run a multisite set up, BLC cloud model will solely be accessible on the primary web site when network-activated. As a result of complexity of scanning multisite, subsites will proceed to make use of the BLC Native model.

Cloud Hyperlink Checker – Excellent For Companies

Having the ability to handle your whole websites from one place (The Hub) and ship purchasers white labeled studies makes Cloud Hyperlink Checker the right answer for businesses, freelancers, and anybody working a number of WordPress websites.

Purchasers will love you much more after they see you’ve taken care of their damaged hyperlinks.

You too can use the device with a custom-made report as a method to generate new purchasers to your company and upsell WordPress upkeep companies to current purchasers.

Use BLC with whitelabel studies to generate new purchasers and upsell upkeep companies.

Examine our plugin with different damaged hyperlink checking instruments and you’ll shortly see why WPMU DEV’s cloud-based hyperlink checker is a no brainer.

For instance, right here’s considered one of our opponents’ providing:

Free model limitations:

Just one web site allowed.
Solely 200 hyperlinks checked per thirty days.
Solely inner hyperlinks are checked.

Hyperlinks are checked as soon as each 3 days.
Value: $30/month (bank card required to enroll).

Whereas, with WPMU DEV’s Cloud Hyperlink Checker…

No limitations:

Limitless variety of web sites.
Limitless variety of hyperlinks.
Inside and Exterior hyperlinks are checked (Native and Cloud variations).

Set your personal schedule (Native and Cloud variations).
Manually test all of your websites anytime.
Value: Free (precedence help included for members solely).
No bank card required to enroll.

To get the total image of what our damaged hyperlinks checker can do, see the plugin documentation.

Now that we’ve shared the excellent news with you a few highly effective WordPress troubleshooting device each net developer (and person) ought to have of their web site administration toolbox, let’s take a more in-depth have a look at the hurt damaged hyperlinks may cause if left unchecked and why you want a device like Damaged Hyperlink Checker.

How Damaged Hyperlinks Have an effect on search engine marketing

Excessive-quality, related, and authoritative hyperlinks are essential to a web site’s search engine marketing and fame. Damaged hyperlinks can have a number of destructive impacts on search engine marketing, together with:

1. Crawling and Indexing Points: Search engine crawlers observe hyperlinks to find and index net pages. In actual fact, Google cites good working hyperlinks as a finest follow. When a crawler encounters a damaged hyperlink, it can not entry the linked web page and should battle to navigate by way of your web site successfully. This will forestall sure pages from being listed, making them invisible to engines like google and lowering their probabilities of showing in search outcomes.

2. Elevated Bounce Charges: Bounce price measure how lengthy customers spend time on a specific net web page earlier than “bouncing” to a different one. Guests who encounter damaged hyperlinks could abandon a web site altogether. When guests repeatedly select to go away an internet web page nearly instantly after touchdown on it, this results in a excessive bounce price, which sends a “low-quality” sign to engines like google concerning the web site.

3. Decreased Search Engine Rankings: Engines like google goal to ship the perfect person expertise by offering related and high-quality search outcomes. Web sites with damaged hyperlinks could also be thought of much less dependable and beneficial by engines like google, resulting in decrease rankings in search outcomes. This can lead to decreased natural site visitors and visibility to your web site.

4. Affect on Inside Hyperlink Construction: Damaged hyperlinks disrupt the inner hyperlink construction of your web site. Inside linking helps engines like google perceive the relationships between completely different pages and establishes a hierarchy of significance. When damaged hyperlinks exist inside this construction, it may confuse engines like google and weaken the general search engine marketing construction of your web site.

5. Misplaced Backlink Alternatives: Backlinks are an necessary consider search engine marketing, as they point out the authority and relevance of your web site. If different web sites hyperlink to damaged pages in your web site, it may negatively affect your backlink profile. Damaged hyperlinks could deter different site owners from linking to your web site, lowering your probabilities of buying beneficial backlinks.

To mitigate the destructive affect of damaged hyperlinks on search engine marketing, it’s essential to recurrently monitor and repair them. Conducting common web site audits, utilizing instruments to determine damaged hyperlinks like BLC, and implementing redirects or updating hyperlinks will help enhance person expertise, preserve search engine rankings, and improve the general search engine marketing efficiency of your web site.

Damaged Hyperlinks Can Additionally Hurt Your Enterprise

Along with impacting your web site’s search engine marketing, damaged hyperlinks may also trigger critical injury to what you are promoting and its fame. This contains:

1. Poor Consumer Expertise: Research present that 89% of customers will store with a competitor after having a poor person expertise on a web site. Damaged hyperlinks create a destructive person expertise by main guests to dead-end pages or error messages. Customers count on hyperlinks to offer related data or assets, and encountering damaged hyperlinks may be irritating. This will lower person engagement, improve bounce charges, and in the end hurt your web site’s fame.

2. Adverse Affect on Income: Damaged hyperlinks can generally trigger roadblocks in your gross sales conversion course of. Investing time and cash into advertising efforts to get potential clients to your web site then shedding gross sales as a result of they can not attain conversion pages means wasted time and misplaced income.

3. Safety Vulnerabilities: Damaged hyperlinks may also result in malicious assaults in your web site, phishing scams, and damaged hyperlinks hijacking (see beneath)

What’s Damaged Hyperlinks Hijacking (BLH)?

Damaged Hyperlinks Hijacking (BLH) refers back to the follow of exploiting expired, unlinked, or inactive exterior hyperlinks discovered inside a webpage.

It includes malicious actors benefiting from assets or third-party companies which might be now not accessible or legitimate, comparable to as a result of expired domains. These attackers can seize management of those hyperlinks to hold out varied dangerous actions, together with defacement by way of buying expired domains, impersonation, and even cross-site scripting.

Assault Situation and Safety Dangers

Let’s think about a situation the place a enterprise shuts down or forgets to create a social media web page however nonetheless has the hyperlink to that web page on its web site. On this case, an attacker can merely create an account utilizing the identical title after which proceed to publish offensive content material or launch phishing assaults whereas pretending to be the enterprise.

Illustrative Situation

For instance this additional, let’s contemplate a web site known as thewebsite.com that mentions a LinkedIn web page URL however hasn’t truly created the web page but. In consequence, when customers attempt to go to the LinkedIn web page utilizing the URL (e.g., https://www.linkedin.com/firm/the-website/), they encounter a “404 web page not discovered” error.

Exploiting this case, an attacker creates a faux LinkedIn web page and customizes the URL to resemble “the-website.” Consequently, when an everyday person accesses the corporate’s LinkedIn web page by way of the URL, they unknowingly get redirected to the attacker’s managed LinkedIn web page.

What Causes Damaged Hyperlinks?

There are a number of components that may result in damaged hyperlinks. Among the most typical causes embrace:

1. Typo: Errors made when writing the hyperlink can lead to damaged hyperlinks. This may very well be a easy error in typing or copy-pasting the URL incorrectly.

2. Deleted Pages: When a web page is deleted from a web site, any hyperlinks pointing to that web page will change into damaged. This will occur when content material is eliminated or when a web site undergoes restructuring.

3. Renamed Pages: If URLs are modified or pages are renamed with out implementing correct redirects, the outdated hyperlinks pointing to these pages will now not work and result in damaged hyperlinks.

4. Area Title Change: When a web site adjustments its area title, any hyperlinks pointing to the outdated area will change into damaged until acceptable redirects are in place.

Greatest Practices to Repair Damaged Hyperlinks

To repair damaged hyperlinks, it is very important observe these finest practices:

1. Verify Hyperlinks with a Damaged Hyperlink Checker (BLC): Use a dependable device to determine damaged hyperlinks in your web site. It will give you a listing of damaged hyperlinks that should be addressed.

2. Prioritize Excessive Authority Pages: Begin by addressing damaged hyperlinks on pages with excessive authority or those who obtain vital site visitors. Fixing these hyperlinks could have a higher affect in your web site’s general efficiency.

3. Redirect to Related URLs: If a web page has been deleted or its URL has modified, arrange correct redirects (comparable to 301 redirects) to mechanically ship guests to the related new URL. This ensures a seamless person expertise and avoids 404 error pages.

Steps to Keep away from and Repair 404 Pages

To stop and resolve 404 pages (web page not discovered errors), contemplate the next steps:

1. Protect and Replace Content material: As a substitute of deleting pages outright, contemplate updating or refreshing the content material. This helps keep away from pointless 404 pages brought on by eradicating content material that different pages have linked to.

2. Implement 301 or 302 Redirects: If a web page’s content material nonetheless exists however its location or URL construction has modified, use 301 or 302 redirects to redirect guests to the brand new web page. This ensures they’ll nonetheless entry the specified content material with out encountering a 404 error.

3. Attain Out to Site owners for Up to date Hyperlinks: If a 404 error happens as a result of an exterior web site incorrectly linking to your content material, you possibly can attempt contacting the web site’s writer or net administrator. Requesting an replace to the faulty hyperlink will help resolve the difficulty, or alternatively, counsel altering the hyperlink altogether.

Fixing Damaged Hyperlinks: Guide vs Automated Strategies

Fixing damaged hyperlinks has lengthy been thought of a vital follow amongst search engine marketing practitioners. Damaged hyperlinks needs to be mounted shortly.

Google understands that damaged hyperlinks are a pure taking place. Nonetheless, SEOs know that taking time to right these points can considerably affect the location’s efficiency in engines like google.

For these causes and extra, it’s clearly necessary to maintain tabs on your whole web site hyperlinks. A small web site with minimal content material can simply deal with checking for damaged hyperlinks manually. Nonetheless, the extra content material your web site has, the tougher it turns into to conduct handbook scans of your hyperlinks.

Fixing damaged hyperlinks manually on a web site and utilizing automated strategies every have their very own advantages:

Advantages of Utilizing Guide Strategies to Repair Damaged Hyperlinks

1. Accuracy: When fixing damaged hyperlinks manually, you will have full management and may be certain that every hyperlink is checked and corrected precisely. This enables for a extra exact and tailor-made method to resolving damaged hyperlinks.

2. Customization: Guide fixing permits you to evaluate every damaged hyperlink individually and decide the perfect plan of action. You’ll be able to replace the URL, take away the hyperlink, or discover various assets as wanted.

3. High quality management: By manually fixing damaged hyperlinks, you possibly can be certain that the alternative URLs are related, reliable, and supply worth to your customers. It permits for a extra thorough analysis of the content material being linked to.

4. Consumer expertise: Manually fixing damaged hyperlinks permits you to contemplate the person expertise within the course of. You’ll be able to select acceptable anchor textual content, replace navigation menus, and guarantee a seamless searching expertise to your guests.

5. Content material evaluate: Whereas fixing damaged hyperlinks manually, you possibly can evaluate the content material surrounding the damaged hyperlinks. This presents a chance to replace outdated data, enhance the general high quality of the content material, and improve the search engine marketing efficiency of the web page.

Advantages of Utilizing Automated Strategies to Repair Damaged Hyperlinks

1. Time-saving: Automated instruments can scan your web site and determine damaged hyperlinks shortly, saving you effort and time in comparison with manually checking every hyperlink individually.

2. Effectivity: With automated strategies, you possibly can repair damaged hyperlinks in bulk relatively than addressing them one after the other. This may be particularly helpful for big web sites with a excessive quantity of damaged hyperlinks.

3. Scalability: Automated instruments can deal with the detection and fixing of damaged hyperlinks on web sites of any dimension. They will effectively course of a lot of hyperlinks, making certain complete protection.

4. Common monitoring: Automated strategies permit for normal and scheduled scans of your web site, making certain that new damaged hyperlinks are promptly recognized and addressed.

5. Consistency: Utilizing automated instruments ensures a constant method to fixing damaged hyperlinks throughout your whole web site. This helps preserve a unified person expertise and prevents oversight of any damaged hyperlinks.

The selection between utilizing handbook and automatic strategies will depend on your particular wants, assets, and preferences. The excellent news is, all the dangers related to unhealthy hyperlinks are simply averted if you happen to be sure that they’re stored in correct working order.

Even higher, is utilizing a high quality, automated lifeless hyperlink checker device like Damaged Hyperlink Checker removes the tedious and time consuming job of manually monitoring and manging your damaged hyperlinks.

Take Hyperlink Upkeep to the Subsequent Degree with WPMU DEV’s BLC

Over 700,000 WordPress customers rely upon Damaged Hyperlink Checker to maintain their websites freed from errors and efficiency points brought on by outdated and non-working URLs.

Our new cloud-based plugin model provides much more unbelievable worth — enhanced speeds, no PHP/DB errors, means to schedule scans and ship electronic mail studies (together with white labeled), plus the convenience of managing limitless websites from one central Hub – all whereas nonetheless (and at all times) remaining free.

Don’t let your web site’s search engine marketing and person expertise take an pointless hit. Particularly when a sensible answer is straight inside your attain.

Join, scan, schedule, and repair damaged hyperlinks shortly and simply and preserve your websites working optimally with the brand new Cloud-based Hyperlink Checker. Get it free of charge or as a WPMU DEV member.

Be aware: A WPMU DEV membership contains full entry to all Hub options, internet hosting, professional plugins, and unmatched 24/7 knowledgeable help.