Cloud Damaged Hyperlink Checker Repairs Damaged Hyperlinks Quicker and Supercharges Your web optimization

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

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

Damaged hyperlinks are a adverse indicator of website well being and might have a serious affect in your PageRank and your repute. Staying on prime of your website hyperlinks is an important and essential side of excellent WordPress website administration.

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

“That is probably going to avoid wasting a ton of time! Prior to now I’ve all the time carried out a guide examine on all websites I create.” TNT Methods, WPMU DEV Member

This text exhibits you find out how to use our highly effective hyperlink checking instrument on limitless WordPress websites – utterly re-engineered with a prime user-requested function and a brand new API that works 20x sooner, to ship higher and extra correct outcomes, stop adverse web optimization efficiency points, and enhance consumer expertise.

We additionally embrace a complete information protecting all it’s essential to learn about why hyperlink administration is necessary and find out how 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 Handbook Scans
Schedule Scans and Ship E-mail Studies
Search
Export Lists

Cloud Hyperlink Checker – Excellent For Businesses
How Damaged Hyperlinks Have an effect on web optimization
Damaged Hyperlinks Can Additionally Hurt Your Enterprise
What’s Damaged Hyperlinks Hijacking?
What Causes Damaged Hyperlinks?

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

Fixing Damaged Hyperlinks: Handbook vs Automated Strategies

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

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

Let’s leap proper in and check out the one instrument you’ll ever must examine and restore damaged hyperlinks on limitless WordPress websites.

WordPress Damaged Hyperlink Checker (BLC) Plugin

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

WPMU DEV acquired Damaged Hyperlink Checker a few years again from ManageWP, and since then have applied many tweaks and fixes to enhance its capabilities, rising its recognition to 700K downloads and its consumer 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 recommending our cloud-based service.]

Whereas we plan to proceed sustaining and bettering the outdated plugin model for the 1000’s of customers who’re nonetheless presently utilizing it, ranging from variations 2.0 and onward, we’ve additionally launched a brand new cloud-based hyperlink checking plugin for WordPress.

Observe: 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 superb instrument presently used and beloved by 1000’s of WordPress customers to maintain their URLs wholesome.

If you happen to adore it, be happy to maintain utilizing it. Have in mind, nonetheless, that it will depend on your website’s sources to run scans, which might be affected by your internet hosting plan’s accessible sources, and, relying on what plugins are put in in your website, might trigger conflicts or WP/PHP errors.

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

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

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

Cloud BLC scans your website 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 would then notify you by way of the Damaged Hyperlink Checker part of the Hub, or you may view a abstract of the leads to the plugin dashboard of your WordPress website.

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

Set Up

Whether or not you’re an present Damaged Hyperlink Checker plugin consumer or new to the instrument, 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 take a look at each strategies.

From the WordPress Dashboard

Set up and activate the plugin.
Go to the Hyperlink Checker menu and choose Cloud.
If you happen to’re logged into WPMU DEV, click on ‘Allow Cloud Engine’ (in any other case, the button will say ‘Connect with WPMU DEV’), and also you’ll be taken by means of The Free Hub onboarding course of, in addition to the damaged hyperlinks checking instrument 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 happy to go searching The Free Hub whilst you wait.
When you obtain notification that the scan is full, you may view the leads to 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 positioning.
Run a scan to see your outcomes.

Nevertheless you select to put in the Cloud Hyperlink Checker, the WordPress dashboard will show the Abstract Report, whereas The Hub can have the Full Report – together with the checklist of damaged and useless hyperlinks.

Scan leads to the WordPress dashboard.

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

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

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

Edit/Unlink Damaged Hyperlinks

Our members spoke…and we listened!

One of the vital requested options for this instrument was the flexibility 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 suitable 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 (be aware: we use Not Damaged reviews to enhance BLC’s engine).

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

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

Scan reviews are saved 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 cases of that very same hyperlink.

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

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

Run Handbook Scans

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

Schedule Scans & Ship Studies by E-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.

At the least one recipient should be added to schedule reviews, in order that it may be despatched to a celebration by way of electronic mail.

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

From the Schedule Scan part, click on Configure.
Test 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 gives 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 checklist of these you’ve already added to the positioning, or Add By E-mail, for anybody in any respect. Bear in mind to Save Adjustments.

Including recipients to get scan reviews by way of 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 might be filtered from inside The Hub.

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

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

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.

Maintain your website’s hyperlinks wholesome with the perfect free damaged hyperlink checker instrument for WordPress.

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

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

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

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

Simply needless to say you may solely activate one engine at a time, so if the Cloud engine is operating, Native Hyperlink Checker can be inactive and vice-versa.

Swap hyperlink checker engines inside your WordPress dashboard.

Observe: in the event you run a multisite set up, BLC cloud model will solely be accessible on the principle website when network-activated. Because of the complexity of scanning multisite, subsites will proceed to make use of the BLC Native model.

Cloud Hyperlink Checker – Excellent For Businesses

With the ability to handle your whole websites from one place (The Hub) and ship shoppers white labeled reviews makes Cloud Hyperlink Checker the proper answer for businesses, freelancers, and anybody operating a number of WordPress websites.

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

You can too use the instrument with a custom-made report as a technique to generate new shoppers to your company and upsell WordPress upkeep companies to present shoppers.

Use BLC with whitelabel reviews to generate new shoppers and upsell upkeep companies.

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

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

Free model limitations:

Just one web site allowed.
Solely 200 hyperlinks checked monthly.
Solely inner hyperlinks are checked.

Hyperlinks are checked as soon as each 3 days.
Price: $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 examine all of your websites anytime.
Price: Free (precedence help included for members solely).
No bank card required to enroll.

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

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

How Damaged Hyperlinks Have an effect on web optimization

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

1. Crawling and Indexing Points: Search engine crawlers observe hyperlinks to find and index net pages. In reality, 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 means of your web site successfully. This could stop sure pages from being listed, making them invisible to search engines like google and decreasing their probabilities of showing in search outcomes.

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

3. Decreased Search Engine Rankings: Serps purpose to ship the perfect consumer expertise by offering related and high-quality search outcomes. Web sites with damaged hyperlinks could also be thought of much less dependable and useful by search engines like google, resulting in decrease rankings in search outcomes. This may end up in decreased natural site visitors and visibility to your web site.

4. Influence on Inside Hyperlink Construction: Damaged hyperlinks disrupt the interior hyperlink construction of your web site. Inside linking helps search 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 well confuse search engines like google and weaken the general web optimization construction of your web site.

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

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

Damaged Hyperlinks Can Additionally Hurt Your Enterprise

Along with impacting your website’s web optimization, damaged hyperlinks also can trigger critical injury to your small business and its repute. This consists of:

1. Poor Person Expertise: Research present that 89% of shoppers will store with a competitor after having a poor consumer expertise on a website. Damaged hyperlinks create a adverse consumer expertise by main guests to dead-end pages or error messages. Customers count on hyperlinks to offer related data or sources, and encountering damaged hyperlinks might be irritating. This could lower consumer engagement, enhance bounce charges, and in the end hurt your web site’s repute.

2. Detrimental Influence on Income: Damaged hyperlinks can generally trigger roadblocks in your gross sales conversion course of. Investing time and cash into advertising and marketing efforts to get potential prospects to your website then dropping gross sales as a result of they can not attain conversion pages means wasted time and misplaced income.

3. Safety Vulnerabilities: Damaged hyperlinks also can result in malicious assaults in your website, phishing scams, and damaged hyperlinks hijacking (see under)

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 entails malicious actors benefiting from sources or third-party companies which can be now not accessible or legitimate, resembling on account of expired domains. These attackers can seize management of those hyperlinks to hold out varied dangerous actions, together with defacement by means of buying expired domains, impersonation, and even cross-site scripting.

Assault State of affairs 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 identify after which proceed to publish offensive content material or launch phishing assaults whereas pretending to be the enterprise.

Illustrative State of affairs

As an instance this additional, let’s think about 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 example, an attacker creates a faux LinkedIn web page and customizes the URL to resemble “the-website.” Consequently, when a daily consumer accesses the corporate’s LinkedIn web page by means of the URL, they unknowingly get redirected to the attacker’s managed LinkedIn web page.

What Causes Damaged Hyperlinks?

There are a number of elements that may result in damaged hyperlinks. A few of the most typical causes embrace:

1. Typo: Errors made when writing the hyperlink may end up in damaged hyperlinks. This might 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 grow to be damaged. This could 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 identify, any hyperlinks pointing to the outdated area will grow to be damaged except acceptable redirects are in place.

Finest Practices to Repair Damaged Hyperlinks

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

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

2. Prioritize Excessive Authority Pages: Begin by addressing damaged hyperlinks on pages with excessive authority or those who obtain important site visitors. Fixing these hyperlinks can have a larger 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 (resembling 301 redirects) to robotically ship guests to the related new URL. This ensures a seamless consumer 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), think about the next steps:

1. Protect and Replace Content material: As a substitute of deleting pages outright, think about 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 will 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 on account of an exterior web site incorrectly linking to your content material, you may strive contacting the web site’s writer or net administrator. Requesting an replace to the misguided hyperlink might help resolve the problem, or alternatively, counsel altering the hyperlink altogether.

Fixing Damaged Hyperlinks: Handbook vs Automated Strategies

Fixing damaged hyperlinks has lengthy been thought of an important follow amongst web optimization practitioners. Damaged hyperlinks ought to be mounted rapidly.

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

For these causes and extra, it’s clearly necessary to maintain tabs on your whole website hyperlinks. A small website with minimal content material can simply deal with checking for damaged hyperlinks manually. Nevertheless, the extra content material your website has, the tougher it turns into to conduct guide 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 Handbook Strategies to Repair Damaged Hyperlinks

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

2. Customization: Handbook fixing means that you can 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 sources as wanted.

3. High quality management: By manually fixing damaged hyperlinks, you may be sure 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. Person expertise: Manually fixing damaged hyperlinks means that you can think about the consumer expertise within the course of. You’ll be able to select acceptable anchor textual content, replace navigation menus, and guarantee a seamless looking expertise to your guests.

5. Content material evaluate: Whereas fixing damaged hyperlinks manually, you may evaluate the content material surrounding the damaged hyperlinks. This presents a possibility to replace outdated data, enhance the general high quality of the content material, and improve the web optimization 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 rapidly, saving you effort and time in comparison with manually checking every hyperlink individually.

2. Effectivity: With automated strategies, you may repair damaged hyperlinks in bulk reasonably than addressing them one after the other. This may be particularly helpful for giant 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 enable 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 total web site. This helps preserve a unified consumer expertise and prevents oversight of any damaged hyperlinks.

The selection between utilizing guide and automatic strategies will depend on your particular wants, sources, and preferences. The excellent news is, all the dangers related to unhealthy hyperlinks are simply prevented in the event you make certain they’re saved in correct working order.

Even higher, is utilizing a top quality, automated useless hyperlink checker instrument like Damaged Hyperlink Checker removes the tedious and time consuming activity of manually monitoring and manging your damaged hyperlinks.

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

Over 700,000 WordPress customers depend 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 affords much more unimaginable worth — enhanced speeds, no PHP/DB errors, skill to schedule scans and ship electronic mail reviews (together with white labeled), plus the benefit of managing limitless websites from one central Hub – all whereas nonetheless (and all the time) remaining free.

Don’t let your website’s web optimization and consumer expertise take an pointless hit. Particularly when a sensible answer is immediately inside your attain.

Join, scan, schedule, and repair damaged hyperlinks rapidly and simply and maintain your websites operating optimally with the brand new Cloud-based Hyperlink Checker. Get it without cost or as a WPMU DEV member.

Observe: A WPMU DEV membership consists of full entry to all Hub options, internet hosting, professional plugins, and unmatched 24/7 skilled help.